巴西专利BR112012014086B1 DRILLING INSTALLATION FOR DRILLING A WELL, VESSEL, AND METHOD FOR DRILLING A WELL

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专利摘要:
drilling facility for drilling a well, vessel, and method for drilling a well. The invention relates to a drilling installation for drilling a well, for example an oil, gas, or thermal well, by means of said installation comprising: - a tower structure; - first load line in the longitudinal direction of the tower structure; - second load line in the longitudinal direction of the tower structure; a storage device for vertically storing tubular elements such as joint pipes; and a first tube rack for moving tubular members between the storage device and the first load line; where the first and second load lines are located outside the tower structure.
公开号:BR112012014086B1
申请号:R112012014086-8
申请日:2010-12-13
公开日:2019-10-15
发明作者:Joop Roodenburg；Diederick Bernardus Wijning
申请人:Itrec B.V.；
IPC主号:

专利说明:

“DRILLING INSTALLATION TO DRILL A WELL, VESSEL, AND, METHOD TO DRILL A WELL” [001] The invention relates to a drilling installation to drill a well of, for example, oil, gas, or a thermal well, through said drilling installation. The invention also relates to a vessel that comprises such a drilling facility and a method for drilling a well that makes use of such a drilling facility.
[002] In the oil and gas well drilling industry, numerous types of tubes, generally referred to as "tubing" or "tubular elements", are used. Tubular elements include drill pipes, casing tubes, and other connectable structures (for example, screwed in thread) for oil and gas wells. Long "columns" of joint piping, for example, drill columns or casing trains, are typically used to drill a well hole and to prevent the well hole from collapsing after drilling.
[003] International publication WO 02/18742 A1 discloses a drilling installation comprising a drilling mast. Said installation comprises a first elevator adapted to handle a first object, such as a drilling column, in a first load line in the longitudinal direction of the drilling mast, and a second lifting means adapted to handle a second object, such as a second drill column, and a second load line in the longitudinal direction of the drill mast. The first and second load lines are located outside the drill mast, that is, the tower structure.
[004] Connected to each side of the well-known drilling mast is a carousel-type storage device for vertically storing tubular elements, such as a set of pipes, that is, multi-length pipe sections. Storage devices are rotated around a vertical axis and have
Petition 870190059360, of 06/26/2019, p. 7/36 / 25 storage to store multiple pipes in each storage device in a vertical orientation. Each storage device has a driver for rotating the storage device around its own vertical axis. In general, pipe storage devices in the oil and gas industry are referred to as vertical yard comb, vertical yard comb, vertical yard drum, and pipe rack, etc.
[005] In the well-known drilling facility, each side of the drilling mast is provided with two pipe yards, a pipe rack for moving tubular elements between the storage device and the first load line, and the other pipe rack for moving tubular elements between the storage device and the second load line. The pipe yards include a vertical column member to support multiple claw members that allow to hold or grease a pipe in different positions along its length. One or more of the claw members are each installed on an articulated arm having an associated actuator to move the arm, in such a way that the claw member moves within the entire installation.
[006] A disadvantage of this configuration is that if a tube rack fails, none of the tubular elements will be able to move between the storage device and the respective load line. In some drilling operations, the transfer of tubular elements between a load line and the storage device is carried out at a high frequency. Therefore, any failure of the installation may cause an undesirable delay in operation. Theoretically, if one of the pipe yards fails, the other three pipe yards will be able to transport a tubular element from the storage device to the load line via the other storage device and the other load line. However, this is a complicated and time-inefficient process.
Petition 870190059360, of 06/26/2019, p. 8/36 / 25 [007] It is, therefore, an objective of the invention to provide an improved drilling tower.
[008] This objective is achieved by providing a drilling tower according to the preamble according to claim 1, characterized by the fact that the storage device is located inside the tower structure, and that the first rack of tubes it is also configured to move tubular elements between the storage device and the second load line, and that the installation preferably comprises a second rack of tubes to move tubular elements between the storage device and the second load line, and preferably the second tube rack is also configured to move tubular elements between the storage device and the first load line, and that the first tube rack, and the second tube rack if applicable, are configured to move tubular elements between the device storage and the first or second load line via an opening in the tower structure, where said opening has a length that is at least equal to the maximum length of a tubular element in the storage device.
[009] The phrase within the tower structure is meant to be interpreted that an object, in this case the storage device, is substantially within a vertical projection of the tower structure in a top view. In other words, inside the tower structure means that an object is substantially surrounded by parts of the tower structure, except possibly in the location of the opening in the tower structure. This also means that parts of the object can extend outside the tower structure as long as its main part is inside the tower structure.
Petition 870190059360, of 06/26/2019, p. 9/36 / 25 [0010] An advantage of the preferred modality is that with the storage device within the tower structure, the first rack of tubes and the second rack of tubes are able to pass the storage device and also be able to reach the another load line to move the tubular elements from storage to said load line, such that in the event that one rack of tubes fails, the other rack of tubes is able to serve both load lines without using complex processes.
[0011] Another advantage is that complex movements of the tubular elements, such as moving from a vertical position on the storage device to an inclined position and back to a vertical position on the load lines when the tubular elements have to pass through the opening, are avoided due to the sufficient length of the opening in the tower structure.
[0012] In one embodiment, the first rack of tubes, and the second rack of tubes if applicable, are movable between the side of the first load line of the tower and the side of the second load line of the tower. This extends the reach of the pipe rack significantly which is advantageous to reach both load lines. The permitted range can also be increased by providing mechanisms in the form of parallelogram connections or robotic arm structures. The advantage of a mobile pipe rack is that it is an easier way to extend the reach of pipe yards rather than connections or arm structures that are often bulky elements with complex designs. Furthermore, this allows both pipe yards to be used in combination with each load line, in the case of two pipe yards.
[0013] In the event that each first pipe rack, and second pipe rack if applicable, comprise a column member
Petition 870190059360, of 06/26/2019, p. 10/36 / 25 supporting one or more claw members, the mobility of the first and second rack of tubes can be implemented by providing guides for both ends of the column member and that along which the column member is enabled to move.
[0014] Alternatively, the column members can be provided on a rotating structure which rotates around a vertical axis, where a driver is provided to rotate the rotating structure around said vertical axis. The rotating structure supports the first pipe rack on the first side and the second pipe rack on the second side. In a first rotating position of the rotating frame, the first tube rack is operable to move a tubular element between the storage device and the first load line, and the second tube rack is operable to move a tubular element between the device storage and the second load line. In a second rotational position of the rotating frame, the first tube rack is operable to move a tubular element between the storage device and the second load line, and the second tube rack is operable to move a tubular element between the device storage and the first load line. In the event of failure of one of the first or second pipe racks, this installation allows the rotating structure to be rotated in such a way that the pipe rack still in operation can be used in combination with each load line. This reduces the impact of damage on drilling operations.
[0015] In another embodiment, the tower structure comprises a first leg and a second leg at a distance from the first leg, the first leg housing the storage device and being provided with said opening, where the first rack of tubes, and the second pipe rack, if applicable, is located between the first and second leg of the tower. The second leg allows greater freedom of movement
Petition 870190059360, of 06/26/2019, p. 11/36 / 25 project to position the load lines without inducing high warping and torsion efforts in the tower structure.
[0016] Preferably, said opening in the first leg faces the second leg, in such a way that the pipe yards can easily access the storage device between the two legs.
[0017] In another embodiment, another storage device is located on the second leg, and the second leg is provided with a respective opening through which the tubular elements can be moved between the other storage device and the first or second line of loading through the first pipe rack, and the second pipe rack if applicable, and where the length of the opening in the second leg is at least equal to the maximum length of a tubular element in the other storage device.
[0018] Preferably, the second leg is similar to the first leg. A symmetrical design is also possible in which the second leg is a mirror of the first leg.
[0019] More preferably, the opening in the first leg and the opening in the second leg are facing each other.
[0020] In one embodiment, the tower structure is a grid structure, preferably the tower structure comprises a U-shaped cross section in a plan view. In case the tower structure comprises a first leg and a second leg, where each leg houses a storage device, both the first and the second leg have a U-shaped cross section in a plan view.
[0021] In another embodiment, the storage device is a rotating storage device having a substantially vertical axis of rotation, such that the orientation of the pipe yards can be substantially the same when collecting the tubular elements of the storage device by rotation of the
Petition 870190059360, of 06/26/2019, p. 12/36 / 25 storage and delivering the tubular elements in substantially the same position to the tube rack. The rotation of the storage device can be provided by a respective driver.
[0022] In one embodiment, the tower comprises a base with a construction floor, preferably a mobile construction floor, more preferably a vertical construction floor for each load line, where the tower structure with the storage device and the first pipe rack, and the second pipe rack if applicable, are located on the base, that is, on top of the base. Preferably, the building floor comprises openings for the respective loading lines.
[0023] Preferably, the first pipe rack, and the second pipe rack if applicable, each comprise one or more claw members adapted to secure a pipe. More preferably, the first and second pipe yards each comprise a vertical column member supporting the respective one or more claw members.
[0024] The invention also relates to a vessel, for example, a semi-submersible, which comprises a drilling installation according to the invention.
[0025] The vessel may comprise a swimming pool, where the drilling installation is located over the swimming pool. Additionally or alternatively, the vessel may comprise an open deck for each load line.
[0026] It is to be explicitly noted here that the drilling installation according to the invention can be used for drilling on land as well as for drilling at sea.
[0027] The invention also relates to a method for drilling a well using a drilling installation according to the invention.
Petition 870190059360, of 06/26/2019, p. 13/36 / 25 [0028] The invention will now be described in a non-limiting way with references to the drawings, in which the tubular elements have reference numbers. In the drawings:
Fig.1 shows schematically a modality of the drilling installation according to the invention in a side view;
Fig. 2 schematically shows a cross section of another embodiment of a drilling installation according to the invention in a plan view;
Fig. 3 schematically shows a cross section of yet another embodiment of a drilling installation according to the invention in a plan view;
Fig. 4 schematically shows a cross section of another embodiment of a drilling installation according to the invention in a plan view;
Fig. 5 schematically shows a cross section of yet another embodiment of a drilling installation according to the invention in a plan view;
Fig. 6 shows in more detail a cross section of a modality of a drilling installation according to the invention similar to the modality of Fig. 5 in a plan view;
Fig. 7 shows the mode of the drilling installation according to Fig. 6 in a side view;
Fig. 8 shows a detail of another embodiment of a drilling installation according to the invention; and
Fig. 9 shows a drilling installation for yet another embodiment of the invention.
[0029] Fig. 1 schematically shows a drilling installation 1 according to an embodiment of the invention in side view. The drilling installation comprises a T1 tower structure and a
Petition 870190059360, of 06/26/2019, p. 14/36 / 25 first elevator 3 located at the top of the tower structure T1 and provided in a first load line 5 to handle a first object, such as a drill string, in a longitudinal direction of the tower structure T1.
[0030] On the opposite side of the tower structure T1, a second elevator 7 is provided at the top of the tower structure T1 on a second load line 9 to handle a second object, such as a drill string, in a longitudinal direction of the T1 tower structure.
[0031] Installation 1 further comprises a storage device 11 for vertically storing tubular elements, such as joined tubulars. The storage device 11 is located within the tower structure T1 and is therefore shown with dashed lines. In this embodiment, the storage device is a rotating storage device capable of rotating about the vertical axis 13.
[0032] The first and second elevators 3, 7 comprise a respective hoist winch 15, 17, a hoist cable 19, 21 and piping parts 23, 25. The piping parts are configured to funny with the pipes, and to hoist and / or rotate said pipes. The piping parts 23, 25 are connected with their respective lifting cables 19, 21 which can be collected or released by their respective lifting winches 15, 17. The lifting winches are now located at the top of the frame 27 of the frame T1 tower, but can be located anywhere, including the exterior of the T1 tower structure (see, for example, Fig. 9).
[0033] The piping parts 23, 25 can be part of a respective trolley that is connected with the respective lifting cable 19, 21. Said trolley is therefore preferably guided along the tower structure, preferably along from the outside of the tower structure,
Petition 870190059360, of 06/26/2019, p. 15/36 / 25 in a longitudinal direction of the tower structure. By the use of a trolley it is ensured that the piping parts 23, 25 are located on their respective loading lines, which is especially advantageous for carrying out drilling operations at sea where the movements induced by the sea can cause the cables of elevation and the piping parts swing out of their respective load lines.
[0034] The first and second load lines 5, 9 are both located outside the tower. This has the advantage that the pipes can be fed from outside the tower structure. Another advantage may be that bulky equipment, for example, a blowout preventer (BOP) can be easily introduced into a load line outside the tower structure.
[0035] The installation also comprises an F1, F2 construction floor for each load line. The building floor can be configured as a deck when the installation is being used at sea on a vessel (not shown). Each building floor has a respective opening O1, O2 for each load line to allow the pipes to pass.
[0036] Different possible configurations of installation 1 will be explained in relation to Figs. 2 - 5, showing a cross-sectional view of a section in a plan view as indicated by arrows A - A '. It should be explicitly noted here that the configurations in Figs. 2 - 5 are not necessarily dependent on the mode of Fig. 1. They can also serve as an example of independent modes having a side view that is different from the side view in Fig. 1.
[0037] Fig. 2 schematically represents a cross-sectional view of another modality of drilling installation 1 according to
Petition 870190059360, of 06/26/2019, p. 16/36 / 25 the invention in a plan view, which can be a cross-sectional view of the drilling installation of Fig. 1. Installation 1 comprises a tower structure T1 with an opening 4, where the storage device 11 is located within the tower structure. The storage device is of the rotary type, that is, a carousel that rotates about the axis of vertical rotation 13.
[0038] On the opposite sides of the tower structure, the first load line 5 and the second load line 9 are provided, which are located outside the tower structure.
[0039] The T1 tower structure has a cross-section of the U-shaped structure, and can have a grid-like structure to reduce the weight of the tower in relation to that of a structure that has closed wall parts. However, parts with closed walls may be preferred, for example, from a safety point of view or to reduce the influence of the wind.
[0040] At opening 4, of the cross section of the U-shaped structure, two paths, ie guides, 31, 33 are provided for example in the form of rails, to allow respectively the first rack of tubes 35 and the second rack of tubes 37 move between the tower side of the first load line and the tower side of the second load line.
[0041] The first and second pipe yards are shown schematically here, but they can reach inside the storage device to collect a tubular element from, or to position a tubular element in, the storage device, and be able to reach the first and second load lines when they are close to the ends of their respective paths.
[0042] As both the first and second pipe yards can move between the tower side of the first load line and the tower side of the second load line, they can both move tubular elements
Petition 870190059360, of 06/26/2019, p. 17/36 / 25 between the storage device and the first load line and between the storage device and the second load line, which is advantageous when one of the pipe yards fails.
[0043] Opening 4 has a length that is at least equal to the maximum length of a tubular element inside the storage device, such that the first and second rack of tubes can move a tubular element between the storage device and one of the load lines, via the opening without having to change the vertical orientation of the tubular element.
[0044] In an alternative embodiment, the pipe yards may be stationary, but then it means that it is necessary that means must be provided in such a way that the pipe yards remain capable of reaching both the first and the second load line. These means may comprise connecting parallelograms and / or robotic arms.
[0045] Fig. 3 schematically shows a cross-sectional view of yet another embodiment of drilling installation 1 according to the invention in a plan view, which can be a cross-sectional view of drilling installation 1 of Fig. 1.
[0046] Installation 1 comprises a tower structure having a side section T1a and a side section T1b. At the top of the tower are located the first and second elevators, which are provided respectively in the first load line 5 and the second load line 9 to handle objects in a longitudinal direction of the tower structure.
[0047] Between the two side parts T1a, T1b, a storage device 11, in this case a rotating storage device, is provided and is able to rotate around the vertical axis 13. The structure has two openings 4a and 4b for each load line to allow tubular elements to be moved between the storage device and the respective load line via the respective opening.
Petition 870190059360, of 06/26/2019, p. 18/36 / 25 [0048] In each side section, a respective path 31, 33 is shown extending from the side of the first load line of the tower structure to the side of the second load line of the tower structure. Along paths 31, 33 associated with the first and second pipe yards 35, 37 are able to move. Each rack of tubes is configured to move tubular elements between the storage device and the first or second load line. As the routes extend from the side of the first load line to the side of the second load line, both pipe yards are capable of serving both load lines. In the event that one rack of tubes fails, the other rack of tubes may take over the work of the defective tube rack.
[0049] Both openings 4a and 4b have a length that is at least equal to the maximum length of a tubular element in the storage device.
[0050] The side sections T1a, T1b of the structure are preferably connected to each other to form a rigid structure. At least the side sections are connected at the top to accommodate at least part of the elevators. In fact, the side sections T1a, T1b of the structure can be understood as legs of the tower structure, where the storage device is located between the legs of the tower structure.
[0051] Fig. 4 schematically shows a cross-sectional view of another embodiment of drilling installation 1 according to the invention in a plan view, which can be a cross-sectional view of drilling installation 1 of Fig. 1.
[0052] Installation 1 comprises a tower structure with a first leg 8 having a cross-section in flat view with a U-shape and an opening 4. The storage device 11 is located inside the first leg for vertically storing
Petition 870190059360, of 06/26/2019, p. 19/36 / 25 tubular elements that can be moved to or from the storage device via opening 4. In this case, the storage device is a rotating storage device that can rotate about a vertical axis 13.
[0053] At a distance from the first leg 8 of, [0054] a second leg 10 is provided. The opening 4 in the first leg 8 faces the second leg 10 and has a length that is at least equal to the length maximum of a tubular element in the storage device.
[0055] At the top of the tower structure the first and the second elevators are located and supplied respectively in a first and second load line 5, 9 for handling objects.
[0056] To move tubular elements between the storage device and the first or second load line, a first rack of tubes 35 and a second rack of tubes 37 are provided between the two legs 8, 10 of the tower structure. Both pipe yards move along their respective paths 31, 33 extending from the side of the first load line of the tower structure to the side of the second load line of the tower structure.
[0057] Fig.5 shows a cross-sectional view of yet another embodiment of drilling installation 1 according to the invention, which can be a cross-sectional view of drilling installation 1 according to Fig. 1 .
[0058] Installation 1 comprises a tower structure with a first leg 8 having an opening 4. In opposition to the first leg 8, a second leg 10 is provided with an opening 6 which faces the opening 4 of the first leg 8. Both the first leg and the second leg have a U-shaped cross section. Within each leg 8, 10 a respective storage device 11, 12 is located for
Petition 870190059360, of 06/26/2019, p. 20/36 / 25 store tubular elements vertically. Each storage device 11, 12 is a rotating storage device that rotates about the respective vertical axes 13 and 14.
[0059] At the top of tower 1, the first and second elevators are located and supplied on a respective first load line 5 and a second load line 9 for handling objects.
[0060] Between the two legs, a first rack of tubes and a second rack of tubes 37 are provided to move tubular elements between one of the storage devices and one of the load lines. In principle, the first tube rack 35 and is associated with the storage device 12 within the second leg 10 and the first load line 5, and the second tube rack 37 is associated with the storage device 11 within the first leg 8 and the second load line 9. However, the pipe yards are also able to reach the other storage device to move tubular elements between said storage device and the associated load line.
[0061] In addition, pipe yards 35, 37 are mobile along their respective paths 31, 33 and are therefore also configured to move tubular elements between one of the storage devices and the other load line, in such a way that in the event that one of the pipe yards fails, the other pipe rack may take over.
[0062] Both openings 4 and 6 have a length that is at least equal to the maximum length of a tubular element in the respective storage devices.
[0063] Fig. 6 shows in detail a modality of a drilling installation 1 according to the invention, whose modality has a configuration similar to that of Fig. 5.
Petition 870190059360, of 06/26/2019, p. 21/36 / 25 [0064] Installation 1 comprises a tower structure, a first elevator located at the top of the tower structure and provided on the first load line 5 to handle a first object in the longitudinal direction of the tower structure, and a second elevator located at the top of the tower structure and provided on the second load line 9 to handle a second object in the longitudinal direction of the tower structure.
[0065] The tower structure comprises a first leg 8 with an opening 1 and a second leg 10 with an opening 6.
[0066] Installation 1 further comprises a storage device 11 and a storage device 12 located respectively within the first leg 8 and the second leg 10 to store the tubular elements vertically, such as the pipes 2 of which only a few are indicated by the reference number 2.
[0067] The openings 4 and 6 have a length that is at least equal to the maximum length of the pipes 2 in their respective storage devices such that the pipes can be moved between the storage devices and the load lines via the opening in a vertical orientation.
[0068] A first rack of tubes 35 (shown in two positions in Fig. 6) is provided to move tubular elements between the storage device 12 and the first of the load line 5, and a second rack of tubes 37 (shown in two positions in Fig.6) is provided to move tubular elements between the storage device 11 and the second load line 9.
[0069] The first and second load lines 5, 9 are located outside the tower structure, for example, to feed tubular elements, that is, pipes 2, outside the tower structure.
[0070] The first rack of tubes 35 is also configured to move tubular elements between the storage device
Petition 870190059360, of 06/26/2019, p. 22/36 / 25 and the second load line 9, and the second tube rack 37 is also configured to move tubular elements between the storage device 11 and the first load line 5. As there are two storage devices, the first tube rack in this embodiment is also configured to move tubular elements between storage device 11 and both the first and second load lines, and the second tube rack is also configured to move tubular elements of storage device 12 and both to first and second load line.
[0071] The pipe yards are able to rotate around a vertical axis and comprise claw members that are able to move in a direction perpendicular to said vertical axis. The resulting range of pipe yards is shown by two circles 35a and 35b for the first pipe rack 35 and by circles 37a and 37b for the second and pipe rack 37. The area between the two respective circles of a pipe rack defines the reach of said pipe rack in the position shown. Tube yards are also able to move along respective paths 31, 33 that extend from the side of the first load line to the side of the second load line of the tower structure. Tube yards are therefore able to reach both storage devices and both load lines.
[0072] The storage devices 11, 12 are rotating storage devices and revolve around the respective vertical axes 13, 14 by actuators 11a, 12a which are arranged between the structure 8, 10 and the storage device. Part of the actuators 11a, 12a can extend outside the tower. The storage devices further comprise vertical stacking combs 11b, 12b for keeping the pipes 2 in an upright position.
Petition 870190059360, of 06/26/2019, p. 23/36 / 25 [0073] Both pipe yards are configured to move tubular elements between one of the storage devices and one of the load lines via the respective opening in the structure that houses the storage device.
[0074] Shown around the first load line 5 is the construction floor 50 that allows access to the first load line. The building floor is movable in the vertical direction in order to make room for a BOP 72 or a so-called Christmas tree 62. The Christmas tree 62 is provided on a movable structure 60 which can slide or move in the horizontal direction when along guides 52 in and out of the first load line. The BOP 72 is provided on a mobile structure 70 that can slide or move in the horizontal direction along the guides 52 in and out of the first load line.
[0075] Each first and second leg is supplied with the respective supports 8c - 8f, 10c - 10f between a grid structure arranged to form a rigid structure.
[0076] The construction floor 50 is guided vertically along the supports 10c and 8c. These supports 8c, 10c can also be used to guide a trolley which can form a part of the first elevator. On the side of the second load line of the tower structure, a similar trolley can be provided as part of the second elevator, which will then preferably be guided along the supports 8d, 10d of the first and second legs respectively.
[0077] The second load line is surrounded by a stationary construction floor on which a platform 40 is provided and which can move in and out of the second load line by a horizontal movement along the guides 42 to connect tubular elements together on the second load line. The drilling process in the
Petition 870190059360, of 06/26/2019, p. 24/36 / 25 second load line can be monitored or controlled from a control cabin 44.
[0078] Fig. 7 shows a side view of a vessel 100, for example, a semi submersible, equipped with a drilling installation 1 according to Fig. 6. As shown in Fig. 7, installation 1 has a first elevator 3 located at the top of the tower structure and provided on the first load line 5. On the opposite side of the tower structure whose face faces away from this view, a second elevator is located and provided on the second load line similar to the modality of Fig. 1.
[0079] At the top of the tower structure is a crane 48 to support the drilling operation. The crane 48 is capable of rotating 360 ° about a vertical axis. The first and second elevators and the crane 48 are housed on top of the structure 27 which is connected with a first leg 8 and a second leg 10 via flanges 27a and 27b. This makes the installation and disassembly of the tower structure relatively simple. Both the first and second legs 8, 10 house a respective storage device 11, 12.
[0080] It can be clearly shown in Fig. 7 that the first and second legs 8, 10 are grid structures in this modality. For reasons of simplicity, the pipe yards in Fig. 6 are not shown in Fig. 7. However, the pipe yards, the first and second legs 8, 10 and storage devices 11, 12 are located on top of a base 105 from vessel 100.
[0081] The base 105 comprises the building floors, and in this case formed as decks, for the first and the second load line, in this case only the building floor 50 can be seen. Adjacent to the building floor are provided BOP 72 and Christmas tree 62.
Petition 870190059360, of 06/26/2019, p. 25/36 / 25 [0082] The vessel or semi submersible 100 has a pool 101 in its hull, where the drilling facility is located over pool 101 to perform operations through pool 101.
[0083] From Fig. 7 it can be seen that the maximum length of the pipes in the storage devices is L1. The openings 4 and 6 respectively in the first leg 8 and the second leg 10 as shown in Fig. 6 have a length that is at least equal to the maximum length L1.
[0084] Fig. 8 shows in detail another embodiment of a drilling installation according to the invention. A part of a top structure 27 is shown, which is part of the tower structure. The rest of the tower structure is not shown for simplicity. In addition, a part of the base 105 is shown.
[0085] Between the base 105 and the top of the structure 27 two storage devices 11, 12 are provided, each storage device being located on a corresponding leg of the tower structure (not shown). Each storage device 11, 12 rotates about a vertical axis. As can be seen, a lower bearing 212, 213 is present at the lower end of each storage device, connecting the storage device to the base. Also, as is preferred, an upper bearing 214, 215 is present at the top end of the storage device, connecting said top end to the top of the structure.
[0086] As is known in the art, each storage device includes slots for storing multiple pipes 2 in each storage device in a vertical orientation. As are known in the art, the storage devices here include a central and vertical post 211, 212 and multiple disk members at different heights of the post, at least one of which is provided with said storage slots and possibly also with operable locks as is
Petition 870190059360, of 06/26/2019, p. 26/36 / 25 common in vertical blades. It is envisaged that in a preferred embodiment, the pipes 2 rest with their lower ends on the lower disk member. In the example shown in Fig. 8 it is envisaged that the tubular elements comprising three unitary pipes, i.e., triple or triple supports, are stored in the storage devices. The diameter of each storage device is about 8 meters.
[0087] Drive motors 218,219 are also schematically indicated for each of the storage devices that allow the storage device to rotate around its vertical axis. In a possible embodiment, the drive motors 218, 219 are incorporated as part of a controlled drive for storage devices, in such a way that each of the storage devices can be brought to a multiplicity of predetermined rotation positions.
[0088] Among the storage devices, a rotating structure is provided that rotates about a vertical axis and has a corresponding driver 221 to rotate the rotating structure about said vertical axis. The rotating structure supports on a first side a first rack of tubes 35 and on a second side a second rack of tubes 37. These tube yards are preferably of the same design and each rack of tubes includes one or more movable claw members 82a, 82b, 92a, 92b adapted to attach a pipe 2 to be removed from the storage device or to be placed in said storage device.
[0089] In this example, as is known from the prior art, the first and second rack of tubes each include a first and a second vertical column member 81, 91 respectively, said column members each supporting said one or more members of claws. In this
Petition 870190059360, of 06/26/2019, p. 27/36 / 25 example, each column member supports multiple, here two, claw members 82a, 82b, 92a, 92b. In this example, and as is also known from the prior art, each claw member is mounted on a mobile device, here an articulated arm 83, 93 that allows the claw member to be moved within a radius of reach outside the column member.
[0090] Also in this example, and also known from prior art, some or all of the claw members, here the upper claw members 82a, 92a, are vertically displaceable along the column member 81, 91, for example, by means of an associated cable 82c, 92c and a winch 82d, 92d, in order to adjust the height position of the claw members in the pipes 2 to be handled. The upper claw members are shown in dashed line in the lowest position in Fig.
8.
[0091] Also as known from the prior art, and not shown, a driving motor (not shown) is associated with each column member 81, 91 allowing to pivot the column member around its vertical axis, therefore, moving the members claws and any piping held by said claw members.
[0092] As can be seen in Fig. 8 the first and second vertical column members 81, 91 are mounted on a rotating support with a space between said first and second vertical column members 81, 91.
[0093] In this example, the rotating support of the column members includes a base member 270 to which the column members are connected with their lower ends and a top member 271 to which the column members are connected with their and upper ends .
[0094] Here the base member 270 is supported via a bearing 272 on the base and the top member 271 is supported by a bearing 273 of the top structure 27.
Petition 870190059360, of 06/26/2019, p. 28/36 / 25 [0095] In general the rotating structure is formed here by the base member 270 and a top member 271, and rotates on its vertical axis. A drive motor 221, here engraining on the base member is provided to carry out said movement. A synchronized drive motor can act on the top member or the top end of the rotating structure to avoid excessive torsional loads on the rotating structure.
[0096] By rotating the rotating structure, the pipe yards are moved between one side of the first load line of the tower structure and one side of the second load line of the tower structure and can also be combined with another storage device of the tower. which is shown in Fig. 8. This allows any combination of the storage device, the pipe rack and the load line, such that in the event that one pipe rack fails, the other pipe rack can take over.
[0097] Fig. 9 shows a drilling installation 301 for drilling a well according to yet another configuration of the invention with a perspective view. The drilling installation comprises a base 305 which is partially shown in Fig. 9, and a tower structure 303 provided on top of the base 305. The base 305 can be part of a drilling vessel (not shown).
[0098] The installation also comprises a first elevator adapted to handle a first object on the first load line in a longitudinal direction of the tower structure. The first elevator comprises a trolley 307 which moves along the tower structure and guided by associated rails or paths 309, a hoist winch 311, and cables and pulley assemblies between the winch and the trolley as known in the art. Only the cables and pulley sets between the trolley and the top of the 313 frame are shown.
Petition 870190059360, of 06/26/2019, p. 29/36 / 25 [0099] On the other side of the installation, a second elevator is provided which is adapted to handle a second object on the second load line in a longitudinal direction of the tower structure. Although this side of the installation is less visible, the construction of the second elevator is similar to that of the first elevator. The second elevator, therefore, also comprises a mobile trolley along the tower structure and guided by rails, cables and pulley assemblies, and a winch 315.
[00100] The tower structure has a first leg 317 and a second leg 319 at a distance from the first leg, where the first and second legs each house a respective storage device 321, 323. Each storage device will be configured to store tubular elements vertically, such as joined tubulars. The storage devices are similar in configuration to the storage device as the one in Fig. 6.
[00101] Both legs of the tower structure have a respective opening, which has a length that is at least equal to the maximum length of a tubular element in the storage device. Each opening faces the other opening.
[00102] Between the legs of the tower structure, two pipe yards 325, 327 are provided to move tubular elements between one of the storage devices and one of the load lines. The pipe yards are movable between the side of the first load line of the tower structure and the side of the second load line of the tower structure to have access to both load lines. Pipe yards are movable between the side of the first load line and the second load line of the tower structure along the guides 331, which are only shown at the bottom of the pipe yards, but are also provided at the top of the yards of tubes.
Petition 870190059360, of 06/26/2019, p. 30/36 / 25 [00103] As can be seen, the tower structure is a grid structure. The load lines are substantially outside the tower structure. However, at the top of the two legs, a beam construction 329 is provided around each load line. This bar construction is preferably removable, to allow objects to be positioned on a load line from outside the tower structure. The bar construction does not interfere with the positioning of objects on the load lines from inside the tower structure. The main function of the bar construction is to prevent tubular elements from falling outside the load line on the base, that is, away from the tower structure.

权利要求:
Claims (15)
[1]
1. Drilling installation (1) to drill a well, for example, an oil, gas, or thermal well, through the installation, whose installation comprises:
- a tower structure (T1);
- a first elevator (3) adapted to handle a first object on a first load line (5) in a longitudinal direction of the tower structure (T1);
- a second elevator (7) adapted to handle a second object on a second load line (9) in a longitudinal direction of the tower structure (T1);
- a storage device (11) for vertically storing tubular elements, such as joined tubulars; and
- a first rack of tubes (35) for moving tubular elements between the storage device (11) and the first load line (5);
where the first and second load lines (5, 9) are located outside the tower structure (T1), characterized by the fact that:
the storage device (11) is located within the tower structure (T1), where the first rack of tubes (35) is also configured to move tubular elements between the storage device (11) and the second load line ( 9);
the installation further comprises a second tube rack (37) for moving tubular elements between the storage device (11) and the second loading line (9), and preferably the second tube rack (37) is also configured to move elements tubular between the storage device (11) and the first load line (5); and,
Petition 870190059360, of 06/26/2019, p. 32/36
[2]
2/4 the first tube rack (35) and the second tube rack (37) are configured to move tubular elements between the storage device (11) and the first or second load lines (5, 9) through a opening (4, 4a, 4b) in the tower structure (T1), where the opening has a length that is at least equal to the maximum length of a tubular element in the storage device (11).
2. Installation according to claim 1, characterized in that the first pipe rack (35) and the second pipe rack (37) are movable between the side of the first load line (5) of the tower and the side the second load line (9) of the tower.
[3]
3. Installation according to claim 1 or 2, characterized by the fact that: the tower structure (T1) has a first leg (8) and a second leg (10) at a distance from the first leg, the first leg ( 8) housing the storage device (11) and being provided with the opening (4); and, the first pipe rack (35) and the second pipe rack (37) are located between the first leg (8) and the second leg (10) of the tower.
[4]
4. Installation according to claim 3, characterized by the fact that the opening (4) in the first leg (8) faces the second leg (10).
[5]
Installation according to either of claims 3 or 4, characterized in that another storage device (12) is located on the second leg (10), the second leg (10) being provided with a corresponding opening (6) through which tubular elements can be moved between the other storage device (12) and the first or second load lines (5, 9) by the first tube rack (35) and the second tube rack (37), the length of the opening in the second leg (10) is at least equal to the maximum length of a tubular element in the other storage device (12).
Petition 870190059360, of 06/26/2019, p. 33/36
3/4
[6]
Installation according to claim 5, characterized by the fact that the opening in the first leg (8) and the opening in the second leg (10) are facing each other.
[7]
Installation according to any one of claims 1 to 6, characterized by the fact that the tower structure (T1) is a grid structure.
[8]
Installation according to any one of claims 1 to 7, characterized in that the storage device (11, 12) is a rotating storage device.
[9]
Installation according to any one of claims 1 to 8, characterized in that the tower structure (T1) comprises a U-shaped cross section in a plan view, and the storage device (11, 12) is located in the U-shaped cross section.
[10]
Installation according to either of claims 3 or 9, characterized in that the first leg (8) and the second leg (10) have a U-shaped cross section in a plan view.
[11]
11. Installation according to any one of claims 1 to 10, characterized by the fact that it comprises a base (105) with a construction floor (F1, F2) for each load line, where the tower structure (T1), with the storage device (11), and the first tube rack (35) and the second tube rack (37) are located on the base (105).
[12]
Installation according to any one of claims 1 to 11, characterized in that each of the first tube rack (35) and the second tube rack (37) comprises one or more claw members (82a, 82b, 92a, 92b) adapted to attach a pipe.
[13]
13. Installation according to claim 12, characterized by the fact that each of the first pipe rack (35) and the second
Petition 870190059360, of 06/26/2019, p. 34/36
The 4/4 pipe rack (37) comprises a vertical column member (81, 91) supporting the respective one or more claw members.
[14]
14. Vessel, characterized by the fact that it comprises a drilling installation as defined in any of claims 1 to 13.
[15]
15. Method for drilling a well, characterized by the fact that it uses a drilling installation as defined in any one of claims 1 to 13.

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同族专利:

公开号 | 公开日

US20120305261A1|2012-12-06|

CN102782244A|2012-11-14|

WO2011074951A1|2011-06-23|

BR112012014086A2|2016-07-05|

EP2513407A1|2012-10-24|

EP2513407B1|2014-04-23|

NL2003964C2|2011-06-20|

CN102782244B|2015-06-03|

US9045948B2|2015-06-02|

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法律状态:
2019-01-08| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|

2019-03-26| B15K| Others concerning applications: alteration of classification|Free format text: AS CLASSIFICACOES ANTERIORES ERAM: E21B 15/02 , E21B 19/14 Ipc: E21B 15/02 (1968.09), E21B 19/00 (1968.09), E21B 1 |

2019-04-02| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law|

2019-09-03| B09A| Decision: intention to grant|

2019-10-15| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 13/12/2010, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 13/12/2010, OBSERVADAS AS CONDICOES LEGAIS |

优先权:

申请号 | 申请日 | 专利标题

NL2003964|2009-12-16|

NL2003964A|NL2003964C2|2009-12-16|2009-12-16|A drilling installation.|

PCT/NL2010/050844|WO2011074951A1|2009-12-16|2010-12-13|A drilling installation|

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