drilling rig set

专利摘要:
DRILLING EQUIPMENT SET The present invention discloses a set of high capacity drilling equipment that includes new design features that alone and more particularly in combination facilitates the first assembly of the probe and the disassembly of the probe with a simple set of lifting cylinders and maintains transportability characteristics. In particular, a transport trailer is revealed to have a first support member and a control member which aligns the lower part of the mast with the inclined ramps of the rig floor and moves the legs of the lower mast to the ramps and in alignment for connection. A pair of wing clamps are used in a pivot from the inside of the width of the inner mast to connect with the lift cylinder to raise the mast from a horizontal position to a vertical position. A cantilever is used in a pivot under the floor of the probe to a position on the floor for connection with the lift cylinder to raise the substructure from a disassembled position to an upright position.
公开号:BR112013016840B1
申请号:R112013016840-4
申请日:2011-12-22
公开日:2020-12-01
发明作者:Mark W. Trevithick；Darrell E. Jamison；Gus E. Rodriguez；Keith J. Orgeron
申请人:Schlumberger Technology B.V.；
IPC主号:

专利说明:

TECHNICAL FIELD OF THE INVENTION
The present invention relates to a new probe mast, a substructure, and a transport trailer for use in underground exploration. The present invention provides for quick probe assembly, disassembly of the probe and transportation of an entire drilling rig. In particular, the invention relates to self-elevating drilling equipment in which the mast and substructure can be assembled without the assistance of a crane. The probe components are transported without removing the drilling equipment including the top control with the mud hose and the electrical service package, the AC drill rig, the rotary table, the griffin key, the assembly tube train distribution system, and eruption preventers (BOP), therefore reducing assembly time and equipment handling damage. BACKGROUND OF THE INVENTION
In the exploration of oil, gas and geothermal energy, drilling operations are used to create drilling holes, or wells, in the land. The drilling rigs used in underground exploration must be transported to the locations where the drilling is to be initiated. These locations are always remotely located. The transportation of such probes over the highways requires compliance with the road safety laws and the space under bridges or inside tunnels. This requirement results in costly disassembly of the drilling rigs entirely to maintain maximum transport width and transport height with other restrictions on maximum weight, number and spacing between axes, total load length and load curve. whirl. These transport limitations vary from state to state, as well as terrain limitations. These limitations can limit the capacity of the probes that can be transported and used, which conflicts with the underground requirements to drill deeper, or of greater distance from the horizontal wells, more quickly, which requires larger probes.
Larger and larger capacity drill rigs are required for deeper (or horizontally longer) drilling operations, as the hook load for deeper operations is very high, and requires the rigs to have a 500,000 pounds and higher. Building deeper, longer wells requires greater torque, greater mud pump capacity, and the use of larger diameter pipes in longer columns. Larger equipment is required to handle these larger pipes and longer columns. All of these considerations drive the demand for larger rigs. Larger probes require a wider base structure for wind resistance and stability, and this requirement conflicts with the limitations of transport and the time and cost to move them. Larger rigs will also require higher drilling floors to accommodate the higher BOP windfalls. Once transported to the desired location, the components of the large rigs must each be moved from a transport trailer for assembly with the other components located on the drilling platform. Moving an entire rig and lifting a conventional mast and substructure usually requires the assistance of large cranes when drilling. The cranes will be required again when the exploration activity is completed and the time comes to dismantle the rig and prepare it for transport to a new drilling location.
Once the cranes have lifted the mast and substructure, it will be necessary to reinstall much of the machinery associated with the operation of the drilling rig. Such machinery includes, for example, the top control with the mud hose and the electrical service package, the AC drilling winches, the rotary table, the griffin wrench, the tube train distribution set, and the BOP .
The probes have been developed with hydraulic cylinders for mast lifting and with secondary lifting cylinders on the substructure to assemble the drilling rig without the use, or with minimal use, of cranes. For example, reinforcement cylinders have been used to fully or partially lift the substructure in combination with mast lift cylinders. These probes have reduced the transport and assembly time of the probe; however, the hydraulic circuits of the substructure are still required and the three-step lifting process and the lower mast's lifting capacity remains compromised with these configurations. Likewise, these designs incorporate secondary lifting structures, such as the mast firing legs that are completely separate from the mast for transportation. This adds to the probe assembly and disassembly time, weight, transport requirements, hinder access to the probe floor, and may also require cranes for probe assembly. Very important, total weight is a critical concern.
The movement of the probe masts from the transport trailers to the coupling with the substructures remains difficult and time-consuming. Likewise, the rig's lifting brackets create a wider mast profile, which limits the size of the support structure itself due to transport regulations, and then the limit of the wind intensity for the drilling rig. In particular, it is very advantageous to supply the substructures having a height less than 8 (eight) feet to minimize the inclination and the difficulty of moving the mast from its transport position to its connection position at the top of the disassembled substructure. However, limiting the height of the disassembled substructure restricts the total length of the lift cylinders retracted in conventional systems. This further increases the requirement for the lifting capacity of the lift cylinders due to the disadvantageous angle created by the small distance from the ground to the floor of the probe in the dismounted position.
In order to optimize the economy of drilling operations, it is highly desirable to maximize the load capacity of the drilling rig structure and wind resistance without compromising the rig's transportability, which includes, in particular, the width of the lower section mast, which supports the largest load.
The assembly of drilling rigs for different depth measurements results in drilling rigs designs that have different heights. Conventional systems always require the use of different lift cylinders which are incorporated into the system and which are modified to accommodate the different capacity and extension requirements that are associated with drilling rigs having different heights from the floor to the rig floor. This increases the costs of design and construction, as well as the problems associated with maintaining inventories of expensive multi-lift cylinders.
It is also highly desirable to design a method for removing heavy equipment such as a lower mast section from a transport trailer for coupling to the substructure without the use of supplementary cranes. It is also desirable to minimize hydraulic accessories, and the size and number of telescopic hydraulic cylinders required to lift the probe. It is also desirable to minimize the structure of accessories and equipment, particularly the structure and equipment that may interfere with transportation or personnel movement and access to the rig floor during drilling operations. It is also desirable to ergonomically limit personnel interactions with the probe components during assembly for reasons of cost, safety and convenience.
It is also highly desirable to transport drilling equipment without the unnecessary removal of any additional drilling equipment, such as the top control with the mud hose and electrical service package, AC drilling winches, rotary table, the griffin key, the tube train distribution set, and the BOP. It is highly desirable to transport drilling equipment without removing the drilling lines normally collected between the movable block and the crown block. It is also highly desirable to remove the mast from the transport trailer in alignment with the substructure, and without the use of cranes. It is also desirable to maintain a low height of the disassembled substructure. It is also desirable to have a system that can adapt the simple sets of lifting cylinders for use with substructures having different heights.
Technological and economic barriers have prevented the development of drilling equipment capable of achieving these objectives. The conventional drilling rig configurations of the prior art remain labor intensive and with intense equipment for transportation and assembly. Alternative designs have failed to meet the economic and reliability requirements needed to achieve a commercial application. In particular, in deeper drilling environments, high-capacity drilling rigs are required, such as rigs having hook loads in excess of 500,000 pounds, and with wind speed measurements exceeding 100 miles per hour ( mph). Rapid disassembly and transport of these probes has proven to be particularly difficult. Road transport regulations limit the width and height of the mast sections carried as well as restrict the weight. In many states, the current width and height limit is 14 feet by 14 feet. Larger loads are subject to additional regulations that include the requirement for an escort vehicle.
In summary, the preferred embodiments of the present invention provide unique solutions to many of the problems that arise from a series of overlapping design limitations, which include transportation limitations, assembly limitations, optimization of hydraulic lift cylinders, assembly and disassembly without cranes, and the static hook load and wind speed limitation requirements. SUMMARY OF THE INVENTION
The present invention provides a substantially improved drilling rig system. In one embodiment, a platform for transporting the drill mast is provided comprising a frame positioned on a transport trailer. A hydraulically actuated front slide, and a hydraulically actuated rear slide are located on the frame. The sliders are movable on a perpendicular to the frame. A mobile lift is located between the rear slide and the mast supports (or equivalently between the rear slide and the frame) to raise the mast vertically in relation to the frame. A movable conveyor is located between the frame and the front slide to move the front slide along the length of the frame. A mast section of a drilling rig can be positioned on the slides, such that a controlled movement of the slides, elevator and conveyor can be used to position the mast section for connection to another structure.
In another embodiment, a sliding platform is located on an upper surface of at least one of the sliders, in order to allow relative movement between the mast section and the slider when articulating the slider.
In another embodiment, an elevator is located on each side of the rear slide, between the rear slide and the mast support, in such a way that each elevator moves independently between a raised and a lowered position for precise axial positioning of the mast section .
In another embodiment, a roller is installed between the conveyor and the frame and provides a rolling relationship between the conveyor and the frame. A motor is connected to the conveyor. A pinion gear is connected to the engine. A rack gear is mounted longitudinally on the frame and made funny with the pinion gear, in such a way that the operation of the engine causes the movement of the front slide longitudinally along the frame.
In one embodiment, a drilling rig is provided that comprises a detachable substructure that includes a base box, a drilling floor and a pair of lifting cylinders pivoted at one end with the base box and having an opposite hinged end . The lift cylinders are selectively extended in relation to their pivot connection in the base box. A mast is provided, and has a lower mast section that comprises a frame having a plurality of cross members that define a transport width of the lower mast section. The lower section of the mast has a plurality of legs, with an upper end connected to the frame, and an opposite lower end. A connection on the lower end of at least two legs is provided to pivot the lower section of the mast with the drilling floor.
A pair of wing clamps is employed attached to the lower section of the mast on the frame. The wing clamps are pivoted or slid between a storage position within the transport width of the lower mast section and a use position that extends beyond the transport width of the lower mast section. The lift cylinder is connected with the wing clamps and extend to rotate the lower section of the mast from a generally horizontal position to a position raised above the drill floor and to a substantially vertical position above the drill floor, or to a desired angle that is less than the vertical.
In another embodiment, each wing clamp of the drilling rig still comprises a frame having a pair of frame nozzles at their opposite ends. The frame nozzles pivot the frame to the bottom section of the mast. The wing clamps pivot to fit substantially inside a portal in the lower section of the mast in the storage position.
In another embodiment, the pivot connection of the frame with the mast defines a pivot axis of the wing clamp on which the wing clamp is used and stored. The pivot connection between the legs of the lower mast section and the drilling floor defines a mast pivot axis. In a preferred embodiment, the pivot axis of the wing clamp is substantially perpendicular to the pivot axis of the mast.
In another embodiment, each wing clamp of the drilling rig still comprises a frame and an arm that extends from the frame towards the interior of the lower section of the mast. An arm nozzle is located on the end of the arm opposite the frame. A clamp locking pin is attached to the lower section of the mast and extends through the neck of the arm to lock the wing clamp in the position of use.
In another embodiment, each wing clamp of the drilling rig further comprises a frame and a terminal box connected to the frame. The terminal box is the receptacle of the articulated end of the lift cylinder. A box nozzle is located on the terminal box. A lift cylinder locking pin extends through the hinged end of the lift cylinder and the housing nozzle to lock the lift cylinder in a pivot engine with the wing clamp.
In another embodiment, each wing clamp of the drilling rig still comprises a wing cylinder connected between the interior of the lower mast section and the wing clamp arm. The actuation of the wing cylinder moves the wing clamp between the positions of use and storage, without the need to have workers climbing the mast to lock the wing in position.
In one embodiment, a set of drilling equipment is provided comprising a detachable substructure that moves between storage and use positions. The detachable substructure includes a base box, a drilling floor frame and a drilling floor above the drilling floor frame, and a plurality of legs having the pivot ends connected between the base box and the drilling floor. The legs hold the drilling floor upwards from the base box in an employment position. A lift cylinder has a bottom end connected in a pivot with one end of the base box and an opposite hinged end. The lift cylinder is selectively extended in relation to the pivot connection on the base box. A cantilever is provided, having a lower end and an upper end, and being pivoted to the drilling floor frame, and the upper end moves between a storage position below the drilling floor and an employment position above the drilling floor. The upper end of the cantilever is connected to the hinged end of the lift cylinder when the cantilever is in the position of use, such that the extension of the lift cylinder raises the substructure to the position of use.
In one embodiment, the lift cylinder can be selectively connected to the lower mast section of a drill mast that is pivoted above the drill floor in such a way that the extension of the lift cylinder raises the lower mast section to from a generally horizontal position to a generally vertical position above the drilling floor. In another embodiment, the lift cylinder raises the lower section of the mast from a generally horizontal position to a position above the drilling floor that is within 50 degrees of the vertical to allow for oblique drilling operations.
In another embodiment, a cylinder of the cantilever is connected in a pivot with one end of the frame of the drilling floor and has an opposite end connected in a pivot with the cantilever. The cylinder of the cantilever is selectively extended in relation to its pivot connection in the frame of the drilling floor. The cantilever cylinder extension rotates the cantilever from a storage position below the drilling floor to a position of use above the drilling floor. Retracting the cantilever cylinder retracts the cantilever from the position of use above the drilling floor to the storage position below the drilling floor.
In another embodiment, the substructure includes a box beam that extends horizontally below the drilling floor and a beam arm attached to the box beam. The cantilever joints the beam arm by rotating the cantilever to the fully used position. The extension of the lift cylinder transfers the lifting force for the use of the substructure to the box beam through the cantilever and the beam arm.
In another embodiment, when the substructure is in the disassembled position and the lift cylinder is connected with the cantilever, the center line of the lift cylinder forms an angle with the center line of a substructure leg that is greater than 20 degrees. In another mode, when the substructure is in the disassembled position, the distance from the surface to the drilling floor and less than 8 feet.
In another embodiment, the connection of the upper end of the cantilever to the hinged end of the lift cylinder forms an angle between the cantilever and the lift cylinder between 70 and 100 degrees, and the extension of the lift cylinder to employ the substructure reduces the angle between the cantilever and the lift cylinder to between 35 and 5 degrees.
In another embodiment, an opening is provided in the drilling floor that is wide enough to allow the cantilever to pass through as it moves between the storage and use positions. A back panel is attached to the cantilever and is dimensioned to complement itself inside the opening of the drilling floor when the cantilever is in the storage position.
In another embodiment, the mast has front legs and rear legs. The front legs are connected with the front leg shoes located on the drilling floor. The rear legs are connected with the rear leg shoes located on the drilling floor. In another embodiment, the lower end of the lift cylinder is pivoted to the base box at a location below and between the front leg shoes and the rear leg shoes of the raised sub-frame drilling floor. The lower end of the cantilever is pivoted to the drilling floor frame at a location below the drilling floor.
In one embodiment, a set of drilling equipment is provided, which comprises a detachable substructure that moves between the storage and use positions. The detachable substructure includes a base box on a drill floor frame having a drill floor above the drill floor frame. The substructure also includes a plurality of legs having the ends connected in pivot with the base box and with the frame of the drilling floor, such that the legs support the drilling floor above the base box in the position of use of the substructure . A mast is included, having a lower mast section pivoted above the drilling floor and moving from a generally horizontal position to a position above the drilling floor.
A cantilever has a lower end and an upper end, and the lower end is pivoted to the drill floor frame. The upper end moves between a storage position below the drilling floor and a working position above the drilling floor. A lift cylinder is pivoted at one end of the base box and has a hinged opposite end. The lift cylinder is selectively extended in relation to the pivot connection on the base box. The articulated end of the lift cylinder is connected to the mast in such a way that the extension of the lift cylinder moves the mast from a generally horizontal position above the drilling floor to a generally vertical position above the drilling floor. The articulated end of the lift cylinder is also connected with the upper end of the cantilever in such a way that the extension of the lift cylinder raises the drilling substructure to the position of use.
In another embodiment, the lift cylinder can be selectively connected to a lower mast section of a drill mast that is pivoted above the drill floor in such a way that the lift cylinder extension and lifts the lower mast section from a generally horizontal position to a generally vertical position above the drilling floor. In another embodiment, the partial extension of the lift cylinder is selected to raise the mast to an angular position of at least 50 degrees from the vertical for oblique drilling operations.
In another embodiment, a pair of wing clamps are pivoted with a lower section of the mast and capable of connecting with the lift cylinder. The lift cylinder can be connected with the wing clamps and extended to rotate the lower section of the mast from a generally horizontal position to a generally vertical position above the drilling floor. In another embodiment, the partial extension of the lift cylinder is selected to raise the mast to an angular position of at least 50 degrees from the vertical for oblique drilling operations.
In another embodiment, the wing clamps are pivoted between an employment position and a storage position. A terminal nozzle is located on each clamp and is connected to the lift cylinder. In the storage position, the wing clamps are contained within the width of the lower mast section. In the position of use, the wing clamps extend beyond the width of the lower mast section in such a way that the nozzles are in alignment with the articulated end of the lift cylinder.
In one embodiment, a set of drilling equipment is provided comprising a lift cylinder. The lift cylinder has a first angled position for connection with a working wing clamp connected to a mast section. The lift cylinder has a second angular position for disconnecting a wing clamp used to complete the lifting of a mast to the vertical position. The lift cylinder has a third angular position for connection with a retractable cantilever connected with a substructure in the storage (disassembled) position. The lift cylinder has a fourth angular position for turning off the lift cylinder of the retractable cantilever at the end of lifting a subsection to the position of use (vertical). In a preferred embodiment, the first angular position is located within 10 degrees of the fourth angular position, and the second angular position is located within 10 degrees of the second angular position.
In another embodiment, the lift cylinder has a pivot-connected end on which it rotates and an articulated end for connection with the wing clamp used and the retractable cantilever. The articulated end of the lift cylinder forms a first lift arc between the first angular position and the second angular position. The articulated end of the lift cylinder forms a second lift arc between the first angled position and the second angled position. The first and second lift arches intersect substantially above the pivot-connected end of the lift cylinder.
In another embodiment, the lift cylinder rotates in a first direction of rotation while raising the mast sections. The lift cylinder rotates in a second direction of rotation opposite to the first direction of rotation while raising the substructure.
In another embodiment, the lift cylinder is a multistage cylinder having a maximum of three stages. In another embodiment, the wing clamps are used on a first pivot axis. The cantileveres are used on a second pivot axis that is substantially perpendicular to the first pivot axis.
In one embodiment, a set of drilling equipment is provided comprising a detachable substructure that moves between the storage and use positions. The detachable substructure includes a base box and a drill floor frame with the drill floor above the drill floor frame. A plurality of legs of the substructure have the ends connected in pivot with the base box and the drilling floor to support the drilling floor above the base box in the position of use.
A lower mast section of a drill mast is provided comprising a frame of the lower section having a plurality of cross members defining a transport width of the lower section of the mast. A plurality of legs are pivotally connected to the frame of the lower section to move between a storage position and an employment position. A connection is provided on the lower end of at least two legs to pivot with the lower mast section above the drilling floor.
A lift cylinder is pivoted at one end with the base box and has a hinged opposite end. The lift cylinder extends selectively in relation to the pivot connection with the base box. A wing clamp is pivotally connected to the lower mast section of a drill mast and moves between a storage position and an employment position. The wing clamp is connected to the hinged end of the lift cylinder when the cantilever is in the position of use, such that the extension of the lift cylinder raises the lower section of the mast to a generally vertical position above the drilling floor.
In another embodiment, the legs move between a storage position within the transport width and a position of use and outside the transport width. The wing clamps also move between a storage position within the transport width and a use position outside the transport width.
In another modality, the legs move in a pivot on a first axis. The wing clamps pivot on a second axis that is substantially perpendicular to the first axis.
In another embodiment, a cantilever is pivoted to the drilling floor and moves between a storage position below the drilling floor and a use position above the drilling floor. The cantilever is connected to the hinged end of the lift cylinder when the cantilever is in the position of use, in such a way that the extension of the lift cylinder raises the drill floor to the position of use.
In another embodiment, the cantilever is used on a third pivot axis substantially perpendicular to each of the first pivot axis and the second pivot axis.
In one embodiment, a method for assembling drilling equipment provides the steps that comprise: installing a detachable substructure over a drilling location; move a lower section of the mast to the vicinity of the substructure; pivot the lower mast section with a substructure drilling floor; pivot a pair of wings outward from a storage position inside the lower mast section to a position of use external to the lower mast section; connecting an articulated end of the lift cylinder having a lower end opposite the substructure with each wing; extend the lift cylinder so as to rotate the lower section of the mast from a substantially horizontal position to a position raised above the drilling floor; pivot a pair of cantilevers upwards from a storage position below the drilling floor to a position of employment above the drilling floor; connect the articulated end of the lift cylinder to each used cantilever; and extending the lift cylinder so as to raise the substructure from a disassembled storage position to an upright use position.
In another embodiment, the lift cylinders are adjusted as a central section of the mast and an upper section of the mast are sequentially connected to the lower section of the mast.
As will be understood by someone ordinarily versed in the technique, the sequence of the revealed steps can be modified and the same advantageous result obtained. For example, the wings can be used before connecting the lower section of the mast to the drilling floor (or to the drilling floor frame). BRIEF DESCRIPTION OF THE DRAWINGS
The objectives and characteristics of the invention will be more readily understood from the detailed description that follows and from the appended claims when read in conjunction with the accompanying drawings, in which the similar numbers represent the similar elements.
The drawings form part of this specification and include exemplary embodiments of the invention, which can be materialized in various forms. It should be understood that in some examples the various aspects of the invention may be shown in exaggeration or enhanced to facilitate understanding of the invention.
FIG. 1 is an isometric view of a drilling system having certain characteristics in accordance with the present invention.
FIG. 2 is an exploded isometric view of a mast transport platform having certain characteristics according to the present invention.
FIG. 3 is an isometric view of the mast transport platform of FIG. 2 illustrated assembled.
FIG. 4 is an isometric view of a first stage of the assembly sequence for a drilling system, when performed in accordance with the present invention.
FIG. 5 is an isometric view of a second stage of the assembly sequence for a drilling system, when performed in accordance with the present invention.
FIG. 6 is an isometric view of a third stage of the assembly sequence for a drilling system, when performed in accordance with the present invention.
FIG. 7 is an isometric view of a fourth stage of the assembly sequence for a drilling system, when performed in accordance with the present invention.
FIG. 8 is an isometric view of the illustrated wing clamp according to an embodiment of the present invention.
FIG. 9 is an isometric view of the wing clamp of FIG. 8, illustrated in the position of use in relation to the lower section of the mast.
FIGS. 10, 11 and 12 are side views illustrating a fifth, sixth and seventh stages of the assembly sequence for a drilling system, when performed in accordance with the present invention.
FIG. 13 is a side view of an eighth stage of the assembly sequence for a drilling system, when performed according to the present invention.
FIG. 14 is a side view of the ninth stage of the assembly sequence for a drilling system, when performed according to the present invention.
FIG. 15 is an isometric view of a retractable cantilever, shown in accordance with the present invention.
FIG. 16 is a side view of a tenth stage of the assembly sequence for a drilling system, when performed in accordance with the present invention.
FIG. 17 is a side view of an eleventh stage of the assembly sequence for a drilling system, when performed according to the present invention.
FIG. 18 is a side view of a twelfth stage of the assembly sequence for a drilling system, when performed according to the present invention.
FIG. 19 is a side view of a thirteenth stage of the assembly sequence for a drilling system, when performed in accordance with the present invention.
FIG. 20 is a diagram of the relationships between the mast and the substructure elevating the components of the present invention.
FIG. 21 is a diagram of some relationships between the lift cylinder, the cantilever in use, and the substructure of the present invention.
FIG. 22 is a diagram of drill rig sets of three different sizes, each using the same pair of lift cylinders in combination with the cantilever in use and the wing clamp in use. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
The following description is presented to enable anyone skilled in the art to perform and use the invention, and is provided in the context of a particular application and its requirements. Various modifications to the disclosed modalities will be readily apparent to those more skilled in the art, and the general principles defined herein can be applied to other modalities and applications without departing from the spirit and scope of the present invention. Therefore, the present invention is not intended to be limited to the modalities shown, but is to be understood in the broadest scope consistent with the principles and characteristics disclosed herein.
FIG. 1 is an isometric view of a drilling rig set 100 that includes the features of the invention. As seen in FIG. 1, the drilling assembly 100 has a lower mast section 220 mounted on top of a substructure 300.
The mast leg pairs 230 are pivoted to the lower mast section 220 at the pivot connections 226. The mast leg cylinders 238 can be connected between the lower mast section 220 and the mast legs 230 to move the legs. mast legs 230 between storage position for transport and the illustrated position of use.
The wider configuration of the mast legs 230 in use provides greater wind resistance of the drill mast and more space on the drill floor to conduct drilling operations.
A pair of wing clamps 250 are pivoted with the lower mast section 220 immediately above the pivot connections 226. The wing clamps move between a storage position for transport and the illustrated position of use.
The demountable substructure 300 supports mast sections 200, 210 (not shown) and 220. The substructure 300 includes a base box 310 located at ground level. A perforation floor frame 320 is typically composed of a pair of side boxes 322 and a central section 324. A plurality of legs of the substructure 340 is pivotally connected between the perforation floor frame 320 and the base box 310. A box beam 326 (not visible) separates the side boxes 322 from the drilling floor frame 320 for structural support. A drilling floor 330 covers the upper surface of the drilling floor frame 320.
A pair of cantilever 500 is pivoted to the drilling floor frame. Cantilevers move between a storage position for transport and a position for use. In the storage position, the cantileveres are located under the drilling floor 330. In the use position, the cantileveres 500 are raised over the drilling floor 330.
A pair of lift cylinders 400 is provided to lift the connected sections of the mast 200, 210, and 220 to a vertical position above the substructure 300, and also to lift the substructure from a disassembled position for transport to the illustrated position of job. Lifting cylinders 400 are also provided to lower the substructure from the illustrated employment position to a disassembled position for transport, and to lower the connected sections of the mast 200, 210 and 220 to a horizontal position above the disassembled substructure 300.
The lift cylinders 400 lift and lower the connected sections of the mast 200, 210, and 220 through the connection with the wing clamps 250. The lift cylinders 400 lift and lower the substructure 300 through the connection with the cantileveres 500.
FIG. 2 is an exploded isometric view of an embodiment of the transport platform 600. The transport platform 600 is loaded onto a low load trailer trailer as is well known in the industry. The transport platform 600 has a front end 602 and a rear end 604. The transport platform 600 supports a front movable slide 620 and a rear movable slide 630.
The front slide 620 is mounted on a conveyor 610. A front hydraulic cylinder 622 is connected between the conveyor 610 and the front slide 620. A pair of platforms of the front slide 626 can be located between the front slide 620 and the sides of the frame 606 .
The conveyor 610 is located on the pallet 600 and moves in a direction between the front end 602 and the rear end 604, separated by the sides of the pallet 606. In one embodiment, a set of rollers provides a rolling relationship between the conveyor 610 and the pallet 600.
A motor 614 is mounted on the conveyor 610. A pinion gear 616 is connected with motor 614. A rack gear is mounted longitudinally on the pallet 600. The pinion gear 616 joins the rack gear 618 in such a way that operation of the motor 614 causes the conveyor 610 to move longitudinally along the platform 600.
The rear slide 630 is mounted on a rear base 632. A rear hydraulic cylinder 634 is connected between the rear slide 630 and the rear base 632. A pair of platforms of the rear slide 636 can be located between the rear slide 630 and the sides of the platform 606. In one embodiment, the platform 638 bearings are located on an upper surface of the rear slide 630 to support the mast section 220.
In one embodiment, an elevator 640 is located on each side of the rear slide 630, between the rear slide 630 and the platform 600, each being moved between a raised and a lowered position.
FIG. 3 is an isometric view of the mast transport platform 600 of FIG. 2, illustrated assembled. The front slide moves on the X axis and on the Y axis in relation to the pallet 600. The actuation of the motor 614 causes the movement of the front slide 620 along the X axis. The actuation of the front cylinder 622 causes the movement of the front slide 620 to the along the Y axis.
The rear slide 630 moves independently of the front slide 620. The rear slide moves on the Y axis and on the Z axis in relation to the pallet 600. The actuation of the rear cylinder 634 causes the movement of the rear slide 630 along the Y axis. actuation of the elevators 640 causes the movement of the rear slide 630 along the Z axis. In one embodiment, the elevators 640 are operated independently, therefore adding degrees of freedom in the control of the rear slide 630.
FIGS. 4 through 7 illustrate the initial stages of the assembly sequence performed in accordance with the present invention. FIG. 4 is an isometric view of a first stage of the assembly sequence for a drilling system, performed in accordance with the present invention. The lower section of the mast 220 is transported on the front slide 620 and the rear slide 630 of the transport platform 600. The transport platform 600 is mounted on a trailer 702 connected to a tractor 700.
A plurality of structural cross members 222 (not shown) defines a width of the mast frame 224 (not shown) of the lower section of the mast 220. At this stage of the sequence, the legs of the mast 230 are in the stowed position, and within the width of the frame 224. Also at this stage, the wing clamps 250 are in the stowed position, and also within the width of the frame 224. By obtaining a storage position for the mast legs 230 and the wing clamps 250, the desired width for carrying the frame 224 of the lower mast section 220 is achieved. Substructure 300 is in the dismantled position, on the ground, and being approached by tractor 700 and transport platform 600.
FIG. 5 is an isometric view of a second stage of the assembly sequence for a drilling system, performed in accordance with the present invention. At this stage, tractor 700 and trailer 702 are kept in a position of greater proximity to substructure 300, which is on the ground in a disassembled position. Having moved the mast legs 230 past the point of interference with the lift cylinders, the legs 230 are employed by the mast leg cylinder 238 (not shown), which rotate the legs on the X axis of the pivot connection 226 .
Each pair of mast legs 230 has a front leg 232 and a rear leg 234. The shoe connectors 236 are located at the base of the legs 230. The front shoes 332 and the rear shoes 334 are located on the drilling floor 330 to receive the connectors of the shoes 236 of the front legs 232 and the rear legs 234, respectively. A pair of inclined ramps 336 is located on the drilling floor, tilted upwards towards the front shoes 332.
The lifts 640 are used to lift the rear slide 630 and, therefore, the legs of the mast 230 of the lower mast 220 along the Z axis (FIG. 3) above the obstacles related to the substructure 300 as the tractor 700 and trailer 702 are held in a position of greater proximity to substructure 300 (see FIG. 4). In this position (also referring to FIG. 2), the front roller 622 of the front slide 620 and the rear cylinder 634 of the rear slide 630 are actuated to finalize the alignment on the Y axis (FIG. 3) of the legs of the mast 230 of the lower section of the mast 220 with the inclined ramps 336 (FIGS. 4 and 5). The similar or opposite translation option of the front slide 620 and rear slide 630 along the Y axis is especially beneficial for this purpose. Using this alignment capability, the shoe collectors 236 of the front legs 232 are aligned with the inclined ramps 336.
FIG. 6 is an isometric view of a third stage of the assembly sequence for a drilling system, performed in accordance with the present invention. At this stage, the rear slide 630 is lowered by the elevators 640 (not visible), positioning the shoe connectors 236 of the front legs 232 on the inclined ramps 336. This movement disengages the rear slide 630 from the lower section of the mast 220.
The conveyor 610 is moved from the front end 602 towards the rear end 604. In one embodiment, this movement is achieved by the actuation of the motor 614. The motor 614 rotates the pinion gear 616 which is engaged with the rack gear 618, forcing the longitudinal movement of the conveyor 610 and the front slide 620 along the X axis (FIG. 3). As a result, the lower mast section 220 is pushed over the substructure 300, as the shoe connectors 236 slide over the inclined ramps 336.
FIG. 7 is an isometric view of a fourth stage of the assembly sequence for a drilling system, performed in accordance with the present invention. As the shoe connectors reach the top of the inclined ramps 336, they align, and are connected with the shoes of the front legs 332.
In the described embodiment, the wing clamps 250 (FIG. 9) are pivoted with the lower section of the mast 220 close to, and above, the pivot connections 226 (FIG 7). The wing clamps 250 move between a storage position for transport and the illustrated position of use.
A wing cylinder 252 (FIG. 9) can be connected between the lower mast section 220 and each wing clamp 250 to facilitate movement between the storage and use positions. Connecting nozzles 254 are provided over the ends of the wing clamps 250 for connection to the lift cylinder 400. As shown in FIGS. 7 and 9, the wing clamps 250 are moved to the position of use by the actuation of the wing cylinders 252 (FIG. 9).
The lift cylinder 400 is pivoted with the base box 310. In a preferred embodiment, the lift cylinder 400 has a bottom end 402 pivoted with the base box 310 in a location between the leg pivot connections of the substructure 340 with the base box 310 (see FIG. 18). The lift cylinder 400 has an opposite hinge end 404 (see FIG. 9). In a preferred embodiment, the lift cylinder 400 is a multi-stage telescopic cylinder capable of extending a first stage 406, a second stage 408 and a third stage 410. A positioning cylinder 412 can be connected to each lift cylinder 400 to facilitate the control of the positioning of the lifting cylinder 400 rotation.
At the stage of the assembly sequence illustrated in FIG. 7, the lift cylinders 400 are pivoted to align with the wing clamps 250 for connection with the nozzles 254. Notably, the lift cylinders 400 outline the width of the transport frame 224 of the lower section of the mast 220 in a way to be connected with the wing clamps 250 on the far side of the lower mast section 220. It is therefore required that the mast lift cylinders 400 are separated by a slightly greater distance than the width of the frame 224. The section mast bottom 220 is now supported by the wing clamps 250. This is achieved by the present invention without the addition of separately mounted and transported mast sections.
As described above, one embodiment of the invention further includes a retractable reinforcement point for raising substructure 300 significantly above drilling floor 330 and significantly forward from the lower section of mast 220.
The lower section of the mast 220 is slightly raised by the extension of the first stage 406 of the lift cylinder 400, degreasing the lower section of the mast 220 of the transport platform 600, allowing the tractor 700 and trailer 702 to start.
As seen in FIG. 7, mast legs 230 are used in pivot on the first pivot axis Z (in 226), and the wing clamps 250 are used in pivot on the second pivot axis 264 which is substantially perpendicular to the first pivot axis Z (in 226).
FIG. 8 is an isometric view of the wing clamp 250 according to an embodiment of the present invention. FIG. 9 is an isometric view of the wing clamp 250 in the position of use in relation to the lower section of the mast 220. Referring to the embodiment of the wing clamp 250 illustrated in FIG. 8, the wing clamp 250 is composed of a frame 260 designed to fit within a portal 228 of the lower section of the mast 220 (see FIG. 9). The frame 260 has a pair of nozzles 262 for pivot connection to the lower section of the mast 220 inside the portal 228. The pivot connection defines an axis 264 on which the wing clamp 250 is used and stored. In one embodiment, the axis 264 is substantially perpendicular to the first pivot axis Z (at 226) on which the legs 230 are employed and stored.
A terminal box 256 extends from the frame 260. The nozzle 254 is located over the terminal box 256. An arm 270 extends inwards towards the interior of the lower section of the mast 220. A nozzle clamp 272 is located close to the arm end 270.
Referring to FIG. 9, the wing cylinder 252 extends between the lower section of the mast 220 and the arm 270 to employ and store the wing clamp 250. In the position of use, a clamp locking pin 274 extends through the portal 228 and passes through the clamp nozzle 272 (FIG. 8) to lock the wing clamp 250 in the position of use. With the wing clamp locked in the position of use, the lift cylinder 400 is extended. The terminal box 256 receives the hinged end 404 of the lift cylinder 400. A locking pin for the lift cylinder 258 is hydraulically operated to pass through the hinged end 404 and the nozzle 254 to lock the lift cylinder 400 in the wing clamp 250.
FIGS. 10, 11 and 12 are side views illustrating a fifth, sixth and seventh stages of the assembly sequence for a drilling system, performed in accordance with the present invention. Referring to FIG. 10 through 11, it is seen that the subsequent tractors 700 and trailers 702 transport the central section of the mast 210 to connect with the lower section of the mast 220, and transport the upper section of the mast 200 to connect with the central section of the mast 210 At this time, the collective weight of the mast sections is supported by the lift cylinder 400 as transmitted through the wing clamps 250. The lift cylinder 400 can be extended to align with sections of the mast connected with each incoming mast section. For example, lift cylinder 400 can be extended to align connected mast sections 210 with 220, and 200 with 210.
FIGS. 13 and 14 are side views illustrating the eighth and ninth sequence for a drilling system, performed in accordance with the present invention. In these steps, the lower mast section 220 (and connected with the central and upper mast sections and 210 and 200) is lifted to a vertical position. In FIG. 13, the lower section of the mast 220 is illustrated pivoted upward by the extension of the first stage 406, and the second stage 408 of the lift cylinder 400. In FIG. 14, the lower section of the mast 220 is shown pivoted in a fully vertical position by the extension of the third stage 410 of the lift cylinder 400.
FIG. 15 is an isometric view of the cantilever 500, shown in accordance with the present invention. The cantilever 500 has a lower end 502 for pivot connection to the frame of the drilling floor 320 of the substructure 300. The cantilever 500 has an upper end 504 for connection to the hinged end 404 of the lift cylinder 400. A loading platform 408 it is provided to support the load of the engine with the beam arm 328 (not shown) located on the substructure 300. A back panel 510 provides a complementary section of the drilling floor 330 when the cantilever 500 is in the storage position.
The cantilever 500 moves between storage opposition for transport and a job position. In the storage position, the cantilever 500 is located under the drilling floor 330. In the use position, the upper end 504 of the cantilever 500 is lifted above the drilling floor 330 to connect with the hinged end 404 of the lift cylinder 400 A cylinder of the cantilever 506 (not shown) can be provided to move the cantilever 500 between the storage position for transport and the position of use.
FIGS 16, 17, 18, and 19 are side views illustrating the tenth, eleventh, twelfth, and thirteenth stages of the assembly sequence for a drilling system, performed in accordance with the present invention. In FIG. 16, the lift cylinder 400 has been released from the wing clamps 250, and the hinged end 404 of the lift cylinder 400 has been retracted. The wing clamps can remain in the position of use during drilling operations.
The cantilever 500 has been moved from the storage position below the drilling floor 330 to a working position in which the upper end 504 of the cantilever 500 is above the drilling floor 330. The cantilever 500 can be moved between the storage and use by actuation of the cantilever cylinder 506. The upper end 504 of the cantilever 500 is connected with the hinged end 404 of the lift cylinder 400. In this position, the loading platform 508 of the cantilever 500 is in a complementary arm beam 328 for transmission of the lifting force as it is applied by the lifting cylinder 400.
FIG. 17 is a side view of a seventh stage of the assembly sequence for a drilling system, performed in accordance with the present invention. In view, the first stage 406 of the lift cylinder 400 is fully extended and the second stage 408 (FIG. 18) is being started. As a result of the force being applied to the cantilever 500, as it is transferred to the beam arm 328, the drill floor frame 320 is lifted out of the base box 310 as the substructure 300 is moved towards a raised position.
FIG. 18 is a side view of a twelfth stage of the assembly sequence for a drilling system, as performed according to the present invention. In this view, the first stage 406 and the second stage 408 of the lift cylinder 400 have been extended to lift the frame of the drilling floor 320 over the base box 310 as the substructure 300 is moved to the fully used position with the legs of the substructure 340 supporting the load of the mast sections 200, 210, 220, and the support floor frame 320. The conventional locking pin and diagonally oriented beam mechanisms are used to prevent further rotation of the legs of substructure 340, and therefore maintaining substructure 300 in the employment position.
FIG. 19 is a side view of a thirteenth stage of the assembly sequence for a drilling system, performed in accordance with the present invention. In this view, the hinged end 404 of the lift cylinder 400 is disconnected from the upper end 504 of the cantilever 500. The lift cylinder 400 is then retracted. The cantilever 500 is moved to the storage position by the actuation of the cantilever cylinder 506. In the storage position, the back panel 510 of the cantilever 500 becomes a part of the drilling floor 330, providing unobstructed space for crew members perform drilling operations.
FIG. 20 is a diagram of the relationships between the lower mast section 220 and the lifting components 250, 400, and 500 of the substructure 300 of the present invention. More specifically, FIG. 20 illustrates a preferred embodiment of the kinematic relationships between the wing clamp 250 in use, the cantilever 500 in use and the lift cylinder 400.
In one embodiment, the upper end 504 of the cantilever 500 is employed at a location above the drilling floor 330 which is also forward of the shoes of the front legs 332. In one embodiment, the pivot-connected end 402 of the lift cylinder 400 is connected with the substructure 300 in a location below and generally between the shoes of the front legs 332 and the shoes of the rear legs 334 of the drilling floor 330 of the raised substructure 300. Also in this embodiment, the lower end 502 of the cantilever 500 is pivoted at a location below the drilling floor 330 and forward of the front leg shoes 332.
As seen in an embodiment illustrated in FIG. 7, mast legs 230 are used in pivot on a first pivot axis, and wing clamps 250 are used in pivot on a second pivot axis which is substantially perpendicular to the first pivot axis of mast legs 230. O cantilever 500 is used on a third pivot axis which is substantially perpendicular to the first and second pivot axes of the mast legs 230 and the wing clamps 250, respectively.
As seen in FIG. 1, there is a pair of lift cylinders 400, and each lift cylinder 400 connected with a cantilever 500 and a wing 250. In a preferred embodiment, the pair of lift cylinders rotates in planes that are parallel to each other. In another preferred embodiment, the cantileveres 500 rotate in planes that are substantially within the planes of rotation of the lift cylinders. This configuration has several advantages with respect to the alignment and connection of the upper end 504 of the cantilever 500 with the articulated end 404 of the lift cylinder 400. This mode also optimizes access to the cantilevers in use with sufficient size to transport the significant lifting loads ( ) below and above the very limited space on the drilling floor 330 and inside the drilling floor frame 320. This modality also provides the application of the loading platform 508 with the beam arm 328 located on the substructure 300, without positioning a misaligned load of the pivot connections of the cantilevers 500 and cylinders 400. It will be understood by those ordinarily skilled in the art that a modest deviation from the planes may behave as a substantial mechanical equivalent of these descriptions.
As seen in an embodiment illustrated in FIGS. 4 - 8, mast legs 230 are used in pivot on a first pivot axis Z (in 226), and the wing clamps 250 are used in pivot on a second pivot axis 264 which is substantially perpendicular to the first axis of pivot Z (in 226) of the mast legs 230. The cantilever 500 is used on a third pivot axis that is substantially perpendicular to the first and second pivot axes of the mast legs 230 and the wing clamps 250, respectively. This method is advantageous because the legs of the mast 230 can be pivoted on an axis that reduces the transport width of the mast. It is even more advantageous because the wings remain gravitationally retracted during transport, and when in use.
One such rotation plan is illustrated in FIG. 20. As illustrated in FIG. 20, when connected to the wing clamps 250 in use, the articulated end 404 forms a first arch Al by extending the lift cylinder 400. The arch Al is generated in a first direction of the arch as the mast sections 200,210 , and 220 are hoisted.
When connected to the cantilever 500 in use, the hinged end 404 forms a second arc A2 through the extension of the lift cylinder 400. The arc A2 is generated in a second arc direction opposite to that of Al, as the substructure 300 dismantled is lifted.
A vertical line through the pivot connection center of the connected end 402 of the lift cylinder 400 ( ) Is illustrated by the V axis. In a preferred embodiment, the intersection of the first arc Al with the second arc A2 in relation to the V axis, is located within + or -10 degrees of the V axis.
In an embodiment illustrated in FIG. 20, the angular arrangement of the lift cylinder has four connected positions. The list of the sequence of connection positions is: a) retracted connection with the wing clamps 250; b) extended connection with the wing clamps 250; c) retracted connection with the cantilever 500; and d) extended connection with the cantilever 500. In the embodiment illustrated in FIG. 20, the angular arrangement of the lift cylinder 400 at position a is within 10 degrees from position d, and the angular arrangement of the lift cylinder 400 at position b is within 10 degrees from position c. The angular arrangement of each position a, b, c, and d with the vertical axis V is denoted as the angles a ', b', c'ed ', respectively.
Having connected the position alignments within approximately 10 degrees, optimizes the energy and the travel of the lift cylinder 400. Likewise, having connected the alignments of the positions b and within approximately 10 degrees accelerates the alignment and assembly of the drilling system 100 .
FIG. 21 is a diagram of the relationships between the lift cylinder 400, the cantilever 500 and the substructure leg 340 in use. In this diagram, the substructure leg 340 is repositioned for visibility of the angular relationship with the lift cylinder, as represented by the angle w. The angle w is critical for determining the load capacity requirement of cylinder 400. Without the benefit of a higher reinforcement point provided by the cantilever 500 in use, the angle w would be approximately 21 degrees less for the mode shown. By temporarily raising the reinforcement point or pivot-connected end 402 above the drilling floor 330, w will be increased, decreasing the load capacity requirement of the lift cylinder 400.
Supplied in combination with the wing clamps 250 used, the configuration of the drilling rig 100 set of the present invention allows optimization of the size of the mast lift cylinders 400, in balance between the retracted dimensions, maximum extension and the load capacity , all within the few hydraulic stages. Specifically, the mast lift cylinders can reach the required retracted and extended dimensions to connect with the wing clamps and extend far enough to fully elevate the mast sections 200, 210, and 220, while also providing an advantageous ratio angle between the legs of the substructure 340 and the lifting cylinder 400 in such a way that sufficient lifting capacity is provided to lift the substructure 300. All this is achieved with the few possible cylinder stages, including the first stage 406, the second stage 408 and the third stage 410.
As seen in the embodiment illustrated in FIG. 21, the connection of the upper end 504 of the cantilever 500 to the hinged end 404 of the lift cylinder 400, when the substructure is in the storage position, forms an angle x between the cantilever 500 and the lift cylinder 400 between 70 and 100 degrees . The extension of the lift cylinder 400 to employ the substructure 300 reduces the angle between the cantilever 500 and the lift cylinder to between 5 and 35 degrees.
FIG. 22 is a diagram of drill sets of three different sizes, each using the same pair of lift cylinders 400 with the same cantilever 500 for use and the wing clamp 250 for use.
As seen in FIG. 22, the configuration of the drilling rig set of the present invention has the other benefit of enabling the use of a lift cylinder pair size in the same configuration with the wing clamps 250 and the cantilever 500 to lift the rig sets. drilling 100 of multiple sizes. As seen in FIG. 22, a substructure 300 for a 550,000 pound hook load drilling rig is shown to have a lower height from the ground to drill floor 330 than substructures 302 and 304. The drill rig designs for drilling deeper wells higher underground pressures can be found, and this requires higher BOP windings under drilling floor 330. As illustrated, the same wing clamps 250, cantilever 500 and lift cylinders 400 can be used with substructure 302 to a hook load of 750,000 pounds of drilling rig 100, or with substructure 304 for a hook load of 1,000,000 pounds of drilling rig 100.
As also illustrated in FIG. 22, the configuration of the drilling rig assembly 100 of the present invention has a height from the drilling floor to the ground of a distance "h" which is less than 8 feet. This has a significant advantage of minimizing inclination and the difficulty of moving mast sections 200, 210, 220 along the inclined ramps 336 from the transport position for the connection with the front shoes 332 at the top of the dismantled substructure 300. This is made possible by the kinematic advantages achieved by the present invention.
As described, the relationships between the various lifting elements have been shown to be extremely advantageous in limiting the required size and number of stages for the lifting cylinder 400, while enabling the assembly of the masts (200, 210, 220) and the substructure 300, without cranes. As described above, the relationships between the various lifting elements have been shown to enable the optimal positioning of a simple pair of lifting cylinders 400 in order to have enough energy to lift a substructure 300, and enough extension and energy in full extension to raise a mast (200, 210, 220) without the assistance of intermediate support cylinder devices and reconnection steps, and to allow for such a rapid lifting of the mast and substructure for the large probes.
Referring back to FIGS. 4 through 7, 9, 13 through 14, and 16 through 19, a method for assembling drilling rig 100 is fully disclosed. The above disclosure, including the numbered figures, provides the steps that comprise: installing a dismantled substructure 300 over a drilling location; move the lower section of the mast 220 to the vicinity of the substructure 300 (FIGS 4 - 6); connect the lower section of the mast 220 with a drilling floor 330 of the substructure 300 (FIG. 7); pivot a pair of wing clamps 250 that extends from the storage position inside the lower section of the mast 220 to a position of use external to the lower section of the mast 220 (Figures 7 and 9); connecting the hinged ends 404 of a pair of lifting cylinders 400 (having the opposite end connected in pivot 402 connected with the substructure 300) with each wing clamp 250 (FIG. 7); extending the lift cylinders 400 so as to rotate the lower mast section 220 from a substantially horizontal position to an upright position above the drilling floor 330; pivoting a pair of cantilevers 500 upwards from a storage position below the drilling floor 330 to a employment position above the drilling floor 330; connect the hinged ends 404 of the lift cylinders 400 with each cantilever 500 in use; and extending the lift cylinders 400 so as to lift the substructure 300 from a disassembled storage position to an upright use position.
In another embodiment, shown in FIGS. 10 through 12, the lift cylinders 400 are adjusted as the central section of the mast 210 and the upper section of the mast 200 are sequentially connected with the lower section of the mast 220.
As will be understood by someone ordinarily versed in the technique, the sequence of the revealed steps can be modified and the same advantageous result obtained. For example, wing clamps can be used before connecting the lower mast section to the drill floor (or to the drill floor frame).
Having therefore described the present invention with reference to certain preferred embodiments, it is noted that the disclosed modalities are illustrative rather than limiting nature in the face of a wide range of variations, modifications, alterations, and substitutions that are contemplated in the preceding disclosure and , in some examples, some of the features of the present invention can be employed without a corresponding use of the other 5 features. Many of such variations and modifications may be considered desirable by those more skilled in the art based on a review of the preceding description of the preferred embodiments. It is therefore appropriate that the appended claims are interpreted broadly and in a manner consistent with the scope of the invention.

权利要求:
Claims (9)
[0001]
1. Set of drilling equipment (100), characterized by comprising: a demountable substructure (300) that moves between the storage and use positions, the demountable substructure (300) including: a base box (310); a drilling floor frame (320); a drilling floor (330) above the drilling floor frame (320); and a plurality of legs (340) having the ends connected in pivot with the base box (310) and the frame of the drilling floor (320), and the legs supporting the support floor (330) above the base box ( 310) in the employment position; a mast (200) having a lower mast section (220) pivoted above the drilling floor (330), and moving from a generally horizontal position to a position above the drilling floor (330); a cantilever (500) having a lower end (502) and an upper end (504), and the lower end (502) being pivoted to the drill floor frame (320), and the upper end (504) if moves between a storage position below the drilling floor (330) and a working position above the drilling floor (330); a lift cylinder (400) pivoted at one end with the base box (310) and having a hinged opposite end (404); the lift cylinder (400) extending selectively in relation to the pivot connection in the base box (310); the hinged end (404) of the lift cylinder (400) is connected to the mast (200) in such a way that the extension of the lift cylinder (400) moves the mast (200) from a generally horizontal position above the drilling floor (330) to a generally upright position above the drilling floor (330); and, the hinged end (404) of the lift cylinder (400) is connected with the upper end (504) of the cantilever (500) in such a way that the extension of the lift cylinder (400) raises the drilling substructure to a position of job.
[0002]
2. Set of drilling equipment (100) according to claim 1, characterized by the fact that: the lift cylinder (400) can be selectively connected to the lower mast section (220) of a mast (200) drilling rig that is pivoted above the drilling floor (330) in such a way that the extension of the lift cylinder (400) raises the lower mast section (220) from a generally horizontal position to a generally vertical position above the floor drilling (330).
[0003]
3. Drilling equipment set (100), according to claim 1, characterized by the fact that it additionally comprises: a pair of retractable wing clamps (250) connected in pivot with the lower mast section (220) and capable of connect with the lift cylinder (400); where the lift cylinder (400) can be connected with the wing clamps (250) and extended to rotate the lower mast section (220) from a generally horizontal position to a generally vertical position above the drilling floor (330 ).
[0004]
4. Set of drilling equipment (100), according to claim 3, characterized by the fact that: the wing clamps (250) are pivoted between a position of use in a storage position; a nozzle (254) is located over each clamp (272, 274), the nozzle (254) being connected to the lift cylinder (400); the wing clamps (250) in the storage position are contained within a width of the lower mast section (220); and, the wing clamps (250) in the employment position extend beyond the width of the lower mast (220) such that the nozzles (254) are in alignment and with the articulated end (404) of the lift cylinder (400 ).
[0005]
5. Set of drilling equipment (100), according to claim 1, characterized by the fact that it additionally comprises: a pair of wing clamps (250) connected in pivot with the lower section of the mast (220) and capable of connect with lifting cylinder (400); where the lift cylinder (400) can be connected with the wing clamps (250) and extended to rotate the lower mast section (220) from one per position, usually horizontal to a position above the drilling floor (330 ) that is at least 50 degrees from the vertical.
[0006]
6. Set of drilling equipment (100), characterized by the fact that it comprises: a demountable substructure (300) that moves between the storage and use positions, the demountable substructure (300) comprising: a base box (310) ; a drilling floor frame (320); a drilling floor (330) above the drilling floor frame (320); and, a plurality of legs (340) having ends connected in pivot with the base box (310) and with the frame of the drilling floor (320), the legs supporting the drilling floor (330) above the base box ( 310) in the employment position; a mast (200) having a lower section (220) pivoted above the drilling floor (330), and movable between a generally horizontal position and a position above the drilling floor (330); a cantilever (500) having a lower end (502) and an upper end (504), the lower end (502) being pivotally connected to the perforation floor frame (320); the cantilever (500) pivots around its lower end to move between a storage position below the drilling floor (330) and a use position above the drilling floor (330); a lift cylinder (400) pivoted to one end of the base box (310) and having an opposite hinged end (404), the lift cylinder (400) extends selectively with respect to the pivot connection on the base box (310); the articulated end (404) of the lift cylinder (400) is connected with the mast (200) in such a way that the extension of the lift cylinder (400) moves the mast (200) from a generally horizontal position above the drilling floor ( 330) to a position above the drilling floor (330); and, the hinged end (404) of the lift cylinder (400) is connected with the upper end (504) of the cantilever (500) in such a way that the extension of the lift cylinder (400) raises the drilling substructure to a position of job.
[0007]
7. Set of drilling equipment (100), characterized by the fact that it comprises: a demountable substructure (300) that moves between the storage and use positions, the demountable substructure (300) comprising: a base box (310) ; a drilling floor frame (320); a drilling floor (330) above the drilling floor frame (320); and, a plurality of legs (340) having ends connected in pivot with the base box (310) and with the frame of the drilling floor (320), the legs supporting the drilling floor (330) above the base box ( 310) in the employment position; a mast (200) having a lower section (220) pivoted above the drilling floor (330), and movable between a generally horizontal position and a position above the drilling floor (330); a cantilever (500) having a lower end (502) and an upper end (504), the lower end (502) being pivotally connected to the perforation frame (320), the upper end (504) being movable between a storage position below the drilling floor (330) and an employment position above the drilling floor (330); a lifting cylinder (400) pivoted to one end of the base box (310) and having an opposite hinged end (404); the lift cylinder (400) extends selectively in relation to the pivot connection in the base box (310); the articulated end (404) of the lift cylinder (400) is connected with the mast (200) in such a way that the extension of the lift cylinder (400) moves the mast (200) from a generally horizontal position above the drilling floor ( 330) to a position above the drilling floor (330); and, the hinged end (404) of the lift cylinder (400) is connected with the upper end (504) of the cantilever (500) in such a way that the extension of the lift cylinder (400) raises the drilling substructure to a position without transmitting the lifting force to the mast (200).
[0008]
8. Set of drilling equipment (100), characterized by the fact that it comprises: a demountable substructure (300) that moves between the storage and use positions, the demountable substructure (300) comprising: a base box (310) ; a drilling floor frame (320); a drilling floor (330) above the drilling floor frame (320); and, a plurality of legs (340) having ends connected in pivot with the base box (310) and with the frame of the drilling floor (320), the legs supporting the drilling floor (330) above the base box ( 310) in the employment position; a mast (200) having a lower section (220) pivoted above the drilling floor (330), and movable between a generally horizontal position and a position above the drilling floor (330); a cantilever (500) having a lower end (502) and an upper end (504), the lower end (502) being pivotally connected to the perforation frame (320), the upper end (504) being movable between a storage position below the drilling floor (330) and an employment position above the drilling floor (330) when the mast (200) is above the drilling floor (330); a lift cylinder (400) pivoted to one end of the base box (310) and having an opposite hinged end (404), the lift cylinder (400) extends selectively with respect to the pivot connection on the base box (310); the articulated end (404) of the lift cylinder (400) is connected with the mast (200) in such a way that the extension of the lift cylinder (400) moves the mast (200) from a generally horizontal position above the drilling floor ( 330) to a position above the drilling floor (330); and, the hinged end (404) of the lift cylinder (400) is connected with the upper end (504) of the cantilever (500) in such a way that the extension of the lift cylinder (400) raises the drilling substructure to a position of job.
[0009]
9. Set of drilling equipment (100), characterized by the fact that it comprises: a demountable substructure (300) that moves between the storage and use positions, the demountable substructure (300) comprising: a base box (310) ; a drilling floor frame (320); a drilling floor (330) above the drilling floor frame (320); and, a plurality of legs (340) having ends connected in pivot with the base box (310) and with the frame of the drilling floor (320), the legs supporting the drilling floor (330) above the base box ( 310) in the employment position; a mast (200) having a lower section (220) pivoted above the drilling floor (330), and movable between a generally horizontal position and a position above the drilling floor (330); a cantilever (500) having a lower end (502) and an upper end (504), the lower end (502) being pivotally connected to the perforation frame (320), the upper end (504) being movable between a storage position below the drilling floor (330) and an employment position above the drilling floor (330) as long as the lower end (502) remains below the drilling floor (330); a lift cylinder (400) pivoted to one end of the base box (310) and having an opposite hinged end (404), the lift cylinder (400) extends selectively with respect to the pivot connection on the base box (310); the articulated end (404) of the lift cylinder (400) is connected with the mast (200) in such a way that the extension of the lift cylinder (400) moves the mast (200) from a generally horizontal position above the drilling floor ( 330) to a position above the drilling floor (330); and, the hinged end (404) of the lift cylinder (400) is connected with the upper end (504) of the cantilever (500) in such a way that the extension of the lift cylinder (400) raises the drilling substructure to a position of job.

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同族专利:

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公开号 | 公开日

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CA2854028A1|2013-07-05|

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US20170328081A1|2017-11-16|

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RU2564297C2|2015-09-27|

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WO2012092147A2|2012-07-05|

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CA2854028C|2019-04-30|

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RU2013129448A|2015-02-10|

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CN103339340B|2016-04-13|

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US20160017629A1|2016-01-21|

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US10808415B2|2020-10-20|

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WO2012092147A3|2013-06-27|

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US9027287B2|2015-05-12|

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MX336428B|2016-01-18|

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US9702161B2|2017-07-11|

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US9719271B2|2017-08-01|

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US20160017628A1|2016-01-21|

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BR112013016840A2|2017-08-01|

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CN103339340A|2013-10-02|

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US9359784B2|2016-06-07|

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MX2013007644A|2013-10-08|

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US20120167485A1|2012-07-05|

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US20160017627A1|2016-01-21|

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法律状态:
2018-03-27| B25A| Requested transfer of rights approved|Owner name: SCHLUMBERGER TECHNOLOGY B.V. (NL) |

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2018-12-18| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|

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2019-09-10| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|

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2020-04-22| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law|

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2020-08-18| B09A| Decision: intention to grant|

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2020-12-01| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 22/12/2011, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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US201061428778P| true| 2010-12-30|2010-12-30|

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US61/428778|2010-12-30|

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US13/335,749|US9027287B2|2010-12-30|2011-12-22|Fast transportable drilling rig system|

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US13/335749|2011-12-22|

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PCT/US2011/066961|WO2012092147A2|2010-12-30|2011-12-22|Fast transportable drilling rig system|

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