• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    device and method for containing well fluid. the present invention relates to a device (22) for containing fluid flow from a well that includes: a containment assembly that includes a body having a cavity (30) configured to receive a pouring portion of a structure well termination extending from the well and surrounding the pouring portion, the cavity (30) being configured to be adapted to conform at least partially to a shape of at least one of the pouring portion and the terminating structure well; and a flow control assembly configured to connect a fluid conduit in fluid communication with the containment assembly and direct the downhole fluid into the fluid conduit.
    公开号:BR112013011945B1
    申请号:R112013011945-4
    申请日:2011-09-09
    公开日:2020-09-01
    发明作者:Aaron R. Swanson；James P. Dwyer；Todd J. Talbot
    申请人:Baker Hughes Incorporated；
    IPC主号:
    专利说明:

    CROSS REFERENCE TO RELATED REQUESTS
    [0001] This application claims the benefit of the Order under N2 US 12 / 945,995, filed on November 15, 2010, which is incorporated into this document as a reference in its entirety. BACKGROUND OF THE INVENTION
    [0002] Eruption prevention is a significant concern in the production and exploitation of hydrocarbons. Eruptions generally refer to an uncontrolled flow of gas or fluid from an earth formation in a well bore, which can potentially flow to the surface. Component failure and / or sudden flow of formation fluid, such as water, oil and / or gas, into the well (i.e., an inflow) can result in large amounts of fluid and other materials flowing from a well clear to the environment. The unrestricted flow can have significant impacts on health, safety and the environment, causing income loss either directly or due to reduced or delayed production. BRIEF DESCRIPTION OF THE INVENTION
    [0003] A device for containing fluid flow from a well includes: a containment assembly that includes a body that has a cavity configured to receive a leaking portion of a well termination structure that extends from the well and surround the leaking portion, the cavity being configured to be adapted to conform at least partially to a shape of at least one of the leaking portion and the well terminating structure; and a flow control assembly configured to connect a fluid conduit in fluid communication with the containment assembly and direct the downhole fluid into the fluid conduit.
    [0004] A method for containing fluid flow from a well includes: placing a well-bottom fluid containment device near a well-terminating structure from which the well fluid is leaking into the environment ; lowering the containment device so that a containment assembly receives at least a pouring portion of the well terminating structure, the containment assembly including a body having a cavity configured to surround the pouring portion upon receipt of the pouring portion; adapting the cavity to conform at least partially to a shape of at least one of the pouring portion and the well terminating structure; and directing the well fluid from the leaking portion through the hollow body to at least one discharge port in fluid communication with the environment; and diverting the fluid from the well to a fluid conduit by connecting the fluid conduit in fluid communication with the containment assembly and closing the at least one discharge port. BRIEF DESCRIPTION OF THE DRAWINGS
    [0005] The following descriptions should not be considered limiting in any way. With reference to the accompanying drawings, similar elements are numbered similarly: Figure 1 is a cross-sectional view of a well fluid control / containment device; Figure 2 is a cross-sectional view of an embodiment of a well fluid control / containment device in an unengaged position; Figure 3 is a cross-sectional view of the well fluid control / containment device of Figure 2 in an engaged position; Figure 4 is an axial cross-sectional view of an embodiment of a well fluid control / containment device; Figure 5 is a cross-sectional view of an embodiment of a well fluid control / containment device in an unengaged position; Figure 6 is a cross-sectional view of the well fluid control / containment device of Figure 5 in an engaged position; and Figure 7 is a flow chart that provides an exemplary method of controlling fluid flow from a well. DETAILED DESCRIPTION OF THE INVENTION
    [0006] Devices, systems and methods for containing and / or controlling the flow of fluid from a well are provided. Such devices and systems are used, in one embodiment, as service / response tools to contain the well and stop or control the flow of fluid from the well after an unwanted fluid flow resulting from, for example, an eruption, a power failure. wellhead and / or failure of eruption preventer (BOP). One method includes positioning a leaky well containment device on a damaged wellhead or other well-terminating structure and actuating the device to at least partially seal the leaking portion and control the flow of fluid therefrom. In one embodiment, the device includes a containment assembly that has a cavity configured to receive at least a leaking portion of the wellhead and direct the downhole fluid to a conduit. In one embodiment, the cavity is configured to be adapted to conform at least partially to the shape and / or size of the pouring portion and / or the wellhead. For example, the containment assembly can be actuated to engage the wellhead and change the shape of the cavity to conform at least partially to the leaking portion and / or wellhead. A flow control assembly is configured to connect the fluid conduit to the cavity and can include fluid ports configured to allow fluid to escape into the surrounding environment when the containment assembly is engaged with the well. In one embodiment, the fluid ports are configured to be closed to direct downhole fluid to the conduit after the containment assembly is engaged.
    [0007] The devices and systems described in this document can be used as an emergency response service tool to contain an overflowing well after an eruption or damage to an eruption preventer, wellhead component or other well component that causes well fluid to leak from the well into the surrounding environment. The devices can be used to create a seal around the top of a damaged wellhead and to capture fluid flowing from it. The fluid can then be, for example, temporarily contained until a more permanent solution can be applied and / or directed to other containment vessels.
    [0008] Referring to Figure 1, an exemplary modality of a production, evaluation, exploration and / or drilling system 10 includes a well 12 that penetrates a land formation 14. The well 12 can be an open hole or a hole cover that includes an enclosure 16. Well 12 may include a well column 18 such as a drill column or production column that includes various downhole tools or other components. A well-terminating structure such as a wellhead 20 is positioned on the surface of well 12 and includes various components such as an eruption preventer (BOP), various valves, production fluid ducts and ducts for introducing bottom components from well. The wellhead 20 can be a surface or subsea structure. Examples of downhole components include downhole column 12, downhole tools such as detection tools and production tools, a bottom composition (BHA) and a drill assembly.
    [0009] Figure 1 also illustrates a fluid control / containment device 22, also referred to herein as a well capping device 22, which is configured to be lowered or otherwise arranged in at least a portion of a damaged wellhead 20 and contain well fluid flowing out of well 12. Well capping device 22 is configured to be positioned on or around a leaking or damaged portion to cap, contain or otherwise control the fluid flow from well 12. A leaking or damaged portion can include any condition whereby fluid from well 23 can escape from well 12 into the surrounding surface environment. Examples of leaking or damaged portions include ruptures or openings in a tubular eruption (BOP) preventer, wellhead or other well component created by an eruption, wellhead rupture, BOP failure or any other unwanted fluid connection between well 12 and the surrounding environment. Well capping device 22 can be used as part of an emergency response service and / or system to contain an overflowing well after an eruption or damage to the wellhead 20.
    [00010] The well capping device 22 includes an arrangement assembly 24 configured to be arranged close to the wellhead 20 and removably attached to the wellhead so that at least the leaking or damaged portion of the wellhead 20 is surrounded by arrangement assembly 24. Well capping device 22 may also include a flow control assembly 26 configured to be actuated separately to at least substantially restrict fluid flow into well capping device 22 and directing fluid flow to a containment device or remote location.
    [00011] In one embodiment, the arrangement assembly 24 includes an at least partially hollow engagement body 28 that includes a cavity 30 configured to receive at least the leaking or damaged portion of the wellhead 20 therein. The cavity 30 has a cross-sectional area that has a shape and / or size configured to receive the leaking or damaged portion. Array assembly 24 also includes a connector 32 configured to be received or otherwise operably connected to flow control assembly 26. Connector 32 may include a threaded connection, friction fitting, pin box or other connection for secure the arrangement assembly 24 to the flow control assembly 26 with an at least partially watertight connection. One or more sealing components 34 such as gaskets or O-rings can be included with connector 32 and / or flow control assembly 26 to assist in creating the at least partially watertight connection.
    [00012] In one embodiment, the flow control assembly 26 and / or the arrangement assembly 24 include one or more fluid ports 36 that allow well fluid 23 to flow through cavity 30 and / or the control assembly flow rate 26 to the surrounding environment to avoid causing a build up of pressure within the well capping device 22 which could prevent the positioning and / or actuation of the arrangement assembly 24. In one embodiment, doors 36 are configured to be closed after the well capping device 22 is attached to or otherwise engaged with the wellhead 20 so that the well fluid 23 is directed through the flow control assembly to, for example, a fluid conduit 38. The ports can be closed by any suitable mechanism, such as one or more valves 40. Fluid line 38 can be arranged in fluid communication with a containment device such as a surface tank, a containment vessel or other sea vessel. By engaging the well capping device 22 and closing the doors 36, the well fluid released from the well 12 is at least substantially conduit and is prevented from further release into the surrounding environment. Although ports 36 are shown in Figure 1 as being incorporated with flow control assembly 26, they are not as limited and can be incorporated in any suitable location, such as with layout assembly 24 (see, for example, Figures 5 to 6).
    [00013] In one embodiment, the engagement body 28 includes an engagement and / or sealing mechanism configured to seal, retain or otherwise secure the well cap 22 to the well head 20. For example, the lock mechanism engagement includes one or more mechanical seals 42 such as O-rings, gaskets or other sealing devices. The seals 42 can be made from an expandable, swellable and / or deformable material such as rubber, synthetic rubber, elastomers, thermoplastic materials, foams and materials with shape memory. In one embodiment, the engagement body 28 includes one or more inlet ports 44 configured to inject a fluid sealing material into the cavity 30 after engagement with the wellhead 20 to facilitate the provision of an at least partially watertight seal. between the wellhead 20 and the engagement body 28. Suitable fluid sealing materials include any fluid and / or swelling material such as a foam or thermoset polymer configured to provide a seal after injection. Injection ports 44 may be in fluid communication with a remote injection source or include an integrated supply of injection material.
    [00014] In one embodiment, sealing materials include materials with shape memory such as Shape Memory Polymers (SMP) that have the ability to return from a deformed state to its original shape prior to deformation (referred to in this document as a "remembered shape" or "activated shape") in response to a stimulus such as a change in temperature, a magnetic or electric field, electromagnetic radiation, and a change in pH. Non-limiting examples of shape memory materials include Shape Memory Polymers (SMP), such as epoxy or polyurethane SMPs, which may have properties that are in the range of, for example, stable to biodegradable, soft to hard and elastic to rigid depending on the structural units that make up the SMP. SMPs can also include thermoset or thermoplastic polymer materials (covalently crosslinked). SMPs may also be able to store multiple formats in memory. In one embodiment, the material with shape memory is configured to change from an "unfolding shape" or deformed to a shape configured to prevent fluid flow between the wellhead 20 and the coupling body in response to a trigger, such as application of heat. The trigger can be, for example, a change in the chemical composition of the surrounding liquid (for example, water from the air to hydrocarbon fluid from the well), a change in the injected chemical, or application of an electric or magnetic field to the coupling body 28. Such triggers can be caused by changes in the fluid or changes in the coupling body 28 that are activated by a user or remote device.
    [00015] In one embodiment, the layout assembly 24 is configured to be adaptable to the specific type of damage and / or shape of the damaged or leaking portion of the wellhead 20. For example, the layout assembly 24 is a modular component that can be used in conjunction with well capping device 22. In this example, well capping device 22 is part of a well capping system that includes a plurality of arrangement mounts 24, each of which has a body coupling 28 with different cross-section sizes, diameters and / or shapes. In this way, the system can be used to deal with a variety of damage types and wellhead types 20 by exchanging a hitch assembly 24 with an alternating assembly 24 that has a hitch body 28 that is maximally adapted to the shape of the damaged portion of the wellhead 20.
    [00016] Referring to Figures 2 to 4, in one embodiment, the arrangement assembly 24 includes one or more movable members 46 which are configured to retract in response to contact with the wellhead 20 when the well capping device 22 is positioned around the wellhead 20. An example is shown in Figures 2 and 3, where the arrangement assembly 24 is shown in a non-engaged or not positioned position in Figure 2 and a engaged or positioned position in Figure 3 In this example, the movable members 46 are concentric members 46 configured to retract as well capping device 22 is positioned, so that only members 46 that can have a shape that can surround the engaged wellhead portion remain in contact. a lowered position. In this way, the engagement body 28 can adapt the cavity 30 to the particular size and / or shape of the engaged wellhead portion. In one embodiment, the interior of the engagement body 28 and / or one or more members 46 may include a sealing mechanism 42 that can be actuated to provide a seal around the wellhead. Examples of such mechanisms 42 include injection ports 44, and deformable materials such as expandable, swellable or inflatable materials as described above. Although the engagement body 28 and the movable members 46 are shown in Figures 2 to 3 as being generally cylindrical, they are not so limited and may have any desired cross-sectional shape, such as square, rectangular or hexagonal.
    [00017] In another example, shown in Figure 4, members 46 are a plurality of pins that extend axially or members that are ordered in cross section. Each member 46 is individually movable so that the shape and / or size of the cavity 30 can be adapted to conform at least partially to the size and / or shape of the engaged portion of the wellhead 20.
    [00018] Figures 5 and 6 illustrate an example of the well capping device 22. The hitch assembly 24 and the flow control assembly 26 are each shown in an unengaged position open in Figure 5 and a position coupled closed in Figure 6. In this example, the well capping device 22 includes an engaging body 28 that is operably connected to an inner liner 48 that includes a collapsible sealing portion 50. In one embodiment, the body hitch 28 defines part of both hitch assembly 24 and flow control assembly 26. For example, in arrangement arrangement 24, a first portion of hitch body 28 has an internal diameter that is large enough to accommodate the inner liner 48, and a second portion of the body 28 has an inner diameter that defines a flow of conduit fluid 51 and can be configured to generally correspond to inner liner 48, the wellhead portion and / or other containment pipelines or vessels that can be operably connected to the well capping device 22. Although the first portion and the second portion are shown in Figure 5 as a single body, they could be multiple bodies attached to or otherwise in fluid communication with each other .
    [00019] As shown in Figure 5, in the open position, the inner liner 48 is positioned within the engagement body 28 so that the collapsible sealing portion 50 generally defines an area in cross section that is larger than the area or diameter of the wellhead portion so that the sealing potion 50 can be adapted over and around the wellhead portion.
    [00020] As shown in Figure 6, a force can be exerted on the engagement body 28 to actuate the arrangement assembly 24 and cause the engagement body 28 to descend around and press the collapsible sealing portion 50 over the wellhead portion. In one embodiment, the collapsible sealing potion 50 is a radially extending, chamfered or otherwise tapered portion that can be reduced in diameter by the engagement body 28. For example, portion 50 includes a "in-step" flange flag "which includes a plurality of teeth spread radially outward or members that can be closed around the wellhead portion. The portion 50 may include various coatings or adhesives to facilitate gripping and / or sealing the wellhead portion.
    [00021] In one embodiment, the arrangement assembly 24 includes a mechanical release such as at least one elastic pin 52 that removably fixes the inner sleeve 48 to the engagement body 28. The elastic pin 52 is configured to break in a force selected shear. In one embodiment, a sealing mechanism 42 such as one or more O-rings or other compressible gaskets is included between the engagement body 28 and the inner liner 48 to prevent fluid 23 from flowing out of the intended fluid path defined by cavity 30 and flow control assembly 26 during and after actuation. In one embodiment, the inner diameter of the coupling body 28 and the outer diameter of the inner liner 48 each have a gap that can be filled with a sealing material, such as through an inlet port 44 to allow the collapsible sealing portion 50 seals around the engaged wellhead portion, which can allow the collapsible portion 50 to form around a tubular wellhead component or a non-wellhead component more rounded as a result of, for example, folding before being cut or broken.
    [00022] In one embodiment, the flow control assembly 24 includes a containment sleeve 54 that includes at least one port 36. A second sealing mechanism 56 such as one or more O-rings or other compressible gaskets is included between body 28 and containment sleeve 54 to prevent fluid 23 from flowing out of the intended path defined by the conduit during and after actuation. In an open position, shown in Figure 5, the containment sleeve 54 is positioned relative to the engagement body 28 so that at least one port 36 is in fluid communication with conduit 51 to allow fluid 23 to flow into the the surrounding environment. In a closed position, shown in Figure 6, the containment sleeve 54 is positioned in relation to the body 28 so that at least one door 36 is closed from the conduit 51 so that the fluid is restricted to the conduit 51 and can be directed to a remote location. The containment sleeve 54 is not restricted to the modalities described in this document. For example, at least one door 36 can be located on the engagement body 28 and the containment sleeve 54 could be configured to actuate to cover or otherwise close at least one door 36.
    [00023] In one embodiment, the flow control assembly 26 includes a mechanical release such as at least one elastic pin 58 that removably secures the containment sleeve 54 to the body 28 in the open position. The elastic pin 58 is configured to break at a selected shear force so that the containment sleeve 54 can be moved axially to the closed position and the sealing mechanism 56 is arranged between at least one door 36 and the conduit 51. In one embodiment, the elastic pin 58 is configured to break at a greater force than the elastic pin arrangement assembly 52, so that the arrangement arrangement 24 can be actuated separately from the flow control assembly 26.
    [00024] Although the body 28 and the shirts 48 and 54 are described in the above modalities as being generally cylindrical, they are not so limited. The tool 30 and its components can form any suitable cross-sectional shape, for example, to accommodate the shapes of pit openings due to deformities created by an eruption or other rupture.
    [00025] The particular shapes of the well capping device components 22 can be manufactured to accommodate a wide variety of wellhead components, BOPs and other well components that may experience a rupture that causes a fluid leak. In addition to being manufactured specifically for specific situations, the components can be stored in various sizes and formats to allow quick positioning and assembly. For example, the inner liners 48 can have various diameters and / or shapes / sizes of the sealing portions 38 to accommodate multiple leakage situations. In addition, the components described in this document, such as flow control assembly 26, coupling body 28, connector 32, movable members can be made from any suitable material, such as steel, stainless steel, aluminum and various alloys of metal. In one embodiment, the materials include materials capable of withstanding forces and pressure exerted by, for example, downhole fluid and / or underwater pressures.
    [00026] Referring again to Figure 1, well capping device 22 can include or be associated with various tools that are used to measure conditions in or around well capping device 22, such as fluid pressures and flow rates. Such measurements can be useful in coordinating the performance of the layout assembly 24 and the containment assembly 26 and assessing the success of using the well capping device 22. Examples of such sensors include pressure sensors, vibration sensors, flow sensors, temperature, flow rate sensors, gas content sensors and / or mud composition and others. In addition, the well capping device 22 may include a processing unit or if equipped with transmission equipment to eventually communicate with a remote processing unit (for example, an ocean surface unit in the case of an underwater well). Such transmission equipment can take any desired shape and different connections and means of transmission can be used. Examples of connections include wireless, fiber optic and wire tube connections.
    [00027] In one embodiment, the remote processing unit and / or well capping device 22 includes components as needed to provide storage and / or processing of data collected from well capping device 22. Exemplary components include , without limitation, at least one processor, storage, memory, input devices, output devices and the like. The remote processing unit is optionally configured to control the performance of the well cap 22 device.
    [00028] Figure 7 illustrates a method for containing fluid flow from a well. The method includes one or more of stages 61 to 64 described in this document. The method can be carried out manually or by one or more processors or other devices capable of receiving and processing the measurement data, such as a remote processing unit. In one embodiment, the method includes performing all stages 61 to 64 in the order described. However, certain stages 61 to 64 can be omitted, stages can be added or the order of stages changed.
    [00029] In the first stage 61, the well capping device 22 is positioned on the wellhead 20. In one embodiment, the tool 22 is positioned so that the arrangement assembly 24 is located close to the wellhead and / or to the leaking portion of the wellhead 20.
    [00030] In the second stage 62, the arrangement assembly 24 is actuated, for example, by lowering the well capping device 22 so that at least a portion of the engagement body 28 surrounds at least the leaking portion of the head. well 20. In one embodiment, lowering the well capping device 22 includes bringing one or more of the movable members 46 into contact and retracting the movable members 46 in contact so that the cavity 30 conforms at least partially to the size and / or shape of the leaking portion and / or the wellhead 20.
    [00031] In one embodiment, the act includes lowering the well capping device 22 so that at least part of the collapsible portion 50 of the containment sleeve 48 surrounds the leaking portion and exerts vertical pressure on the well capping device 22. The vertical pressure is sufficient to break the elastic pins 52 or otherwise act the arrangement assembly 24 to cause the coupling body 28 to slide over the collapsible portion 50 and form a friction fit between the pouring portion and the arrangement assembly 24 which is at least partially or substantially watertight. In one embodiment, at this stage, the flow control assembly 26 is in the open position and allows the discharge of fluid from at least one port 36 to provide a flow path for the fluid when the disposition assembly 24 is being positioned and acted.
    [00032] In the third stage 63, the flow control assembly 24 is actuated to form a fluid flow path between the cavity 30 and the conduit 38 so that the well fluid 23 can be directed away from the leaking portion and at least partially eliminated from the surrounding environment. In one embodiment, fluid ports 36 are closed by means of, for example, valves 40 or elastic pins 58 to prevent fluid from flowing into the environment and directing fluid flow to conduit 38.
    [00033] In the fourth stage 64, the well fluid is directed from the well capping device 22 through the conduit 38 to a remote location. For example, well capping device 22 can be connected in fluid communication via flow control assembly 26 to a collection unit such as a tank or tanker.
    [00034] The above stages can be performed by an operator, positioned manually and / or positioned and acted remotely by means of a control / processing unit (such as the surface unit) on the earth's surface or above water. In one embodiment, a robotic unit or remotely operated vehicle (ROV) can be used to carry out internships in an underwater environment.
    [00035] The apparatus, systems and methods described in this document provide several advantages over prior art technologies. The modalities described in this document offer the ability to respond quickly and effectively to eruptions or other failures to capture fluid flow in order to reduce or minimize the amount of fluid that escapes from a well. The devices, systems and methods have value in stopping losses of oil, production fluids and other materials in the environment, stopping losses from a well and allowing control for an elimination procedure, relief well or other remediation.
    [00036] Although the invention has been described with reference to exemplary modalities, it will be understood by those skilled in the art that various changes can be made and equivalents can be replaced by elements thereof without departing from the scope of the invention. In addition, many modifications will be appreciated by those skilled in the art to adapt a particular instrument, situation or material to the teachings of the invention without departing from its essential scope. Therefore, it is intended that the invention is not limited to the particular modality disclosed as the best mode, contemplated for carrying out this invention, but that the invention includes all modalities that fall within the scope of the appended claims.
    权利要求:
    Claims (20)
    [0001]
    1. Device (22) for containing fluid flow (23) from a well bore (12) characterized by comprising: an engagement body (28) provided with a cavity (30) configured to receive a portion of a termination structure a borehole (12) extending from the borehole (12) and to direct fluid from the borehole into a fluid conduit; and a sealing member (42) disposed inside the cavity (30) before the engagement body (28) is brought in proximity to the well-hole terminating structure (12), in which the sealing member (42) has an alterable shape configured to surround the well hole termination structure (12) and form a seal between an external surface of the well hole termination structure (12) and an internal surface of the coupling body (28) as that the borehole termination structure (12) is positioned within the cavity (30), wherein the sealing member (42) changes in a first way before contacting the borehole termination structure (12) to a second form after contacting the well-hole termination structure (12), wherein the second form provides for the formation of a seal with the well-hole termination structure (12).
    [0002]
    2. Device according to claim 1, characterized by the fact that the sealing member (42) includes a deformable material configured to form a seal at least partially watertight between the coupling body (28) and the hole termination structure well (12).
    [0003]
    3. Device according to claim 2, characterized by the fact that the sealing member (42) includes at least one among an expandable material, an inflatable material, a foam material and a material with format memory.
    [0004]
    4. Device according to claim 1, characterized by the fact that it additionally comprises an entrance door (44) on the coupling body (28) configured to inject a sealing material into the cavity (30) between the body of engagement (28) and the well-hole termination structure (12) to form a seal at least partially watertight between the engagement body (28) and the well-termination structure.
    [0005]
    5. Device according to claim 4, characterized by the fact that the entrance door (44) is located on the coupling body (28) in order to be radially external from the well-hole termination structure (12 ) when the well hole termination structure (12) is positioned inside the cavity (30).
    [0006]
    6. Device according to claim 1, characterized by the fact that the sealing member (42) includes a deformable sealing portion configured to slide axially to the coupling body (28) based on the engagement of the hole termination structure well (12) and be acted to collapse around the well hole termination structure (12) to direct the fluid from the well hole (12) into the cavity (30).
    [0007]
    7. Device according to claim 6, characterized by the fact that the deformable sealing portion includes at least one engaging portion on an internal surface of the deformable sealing portion to engage the well-hole termination structure (12) for slide the deformable seal portion into the cavity (30).
    [0008]
    8. Device according to claim 7, characterized by the fact that the deformable sealing member (42) includes a plurality of portions extending at one end of the deformable sealing member (42) to enclose the hole termination structure shaft (12), wherein the extending portions are configured to rotate at one end in the direction of the shaft hole termination structure (12) to surround the shaft hole termination structure (12) based on the contact an external surface of the extending portions, with an interior surface of the coupling body (28).
    [0009]
    9. Device according to claim 1, characterized by the fact that the coupling body (28) includes a narrow portion, a wide portion that defines the cavity (30), and a narrowing portion that connects the narrow portion and the wide portion, a containment assembly which further comprises a containment sleeve configured to encircle the narrow portion of the coupling body (28).
    [0010]
    10. Device according to claim 9, characterized by the fact that the containment sleeve includes at least one door on one side of the containment sleeve, and the narrow portion of the coupling body (28) can slide into the sleeve containment in an axial direction, between an open position, in which an opening in the narrow part of the coupling body (28) is located upstream of the door in relation to a flow of fluid from the well bore (12), and a closed position in which the opening of the narrow portion of the engagement body (28) and the seal are downstream from the door and prevent the flow of fluid from the narrow portion to the door.
    [0011]
    11. Device according to claim 10, characterized by the fact that at least one port is configured to direct the downhole fluid from the cavity (30) to the surrounding environment when the containment sleeve and the body of hitch (28) are in the open position.
    [0012]
    12. Device according to claim 1, characterized by the fact that the sealing member (42) comprises a plurality of axially movable members configured to move axially within the cavity (30) based on contact with the termination structure of well hole (12).
    [0013]
    13. Device according to claim 12, characterized by the fact that the sealing member (42) comprises a plurality of axially mobile concentric members, each of which has the same cross-sectional shape as the coupling body (28) .
    [0014]
    Device according to claim 13, characterized by the fact that each of the plurality of axially movable members includes an outwardly extending protrusion, which extends from one end of the movable member axially to rest on a among a projection that extends internally from an axially adjacent movable member and a projection that extends internally from the coupling body (28).
    [0015]
    Device according to claim 12, characterized by the fact that the sealing member (42) comprises a plurality of pins arranged concentrically.
    [0016]
    16. Device (22) for containing fluid flow (23) from a well bore (12), characterized by comprising: an engagement body (28) comprising a narrow portion, a wide portion defining a configured cavity (30) to receive a well-hole termination structure (12), a narrowing portion that connects the narrow portion and the wide portion; and a sealing member (42) located inside the cavity (30) of the wide portion before the wide portion is brought in proximity to the well-hole terminating structure (12), and the sealing member (42) configured to surround the well hole termination structure (12) as the well hole termination structure (12) is received inside the cavity (30), the sealing member (42) configured to direct the flow of fluid from the borehole termination structure (12) towards the narrowest portion of the coupling body (28), and prevent the flow of fluid from the borehole termination structure (12) in regions of the cavity (30) located radially outwardly from the sealing member (42), the sealing member (42) configured to contact the borehole termination structure (12) to form a seal, and configured to change from one first shape to a second shape to form the seal based on the contact with the well hole termination structure (12).
    [0017]
    17. Device according to claim 16, characterized by the fact that the sealing member (42) comprises at least one axially movable member configured to engage the well-hole termination structure (12) as the body hitch (28) is moved in the direction of the borehole termination structure (12) and slides axially towards the narrow portion of the body based on the engagement of the borehole termination structure (12).
    [0018]
    18. Device according to claim 16, characterized by the fact that the sealing member (42) comprises a plurality of concentric axially movable members.
    [0019]
    19. Method for containing fluid flow (23) from a well hole (12), characterized by comprising: moving an engagement body (28) to a well hole termination structure (12) to position the termination structure of a borehole (12) within a cavity (30) defined by the coupling body (28), the coupling body (28) including a sealing member (42) located in the cavity (30) before moving the coupling body coupling (28) in the direction of the well-hole terminating structure (12); and engaging, by the sealing member (42) located inside the cavity (30), the well-hole termination structure (12) to prevent fluid flow from the well-hole termination structure (12) to at least a portion of an external radial region of the cavity (30) and to direct the flow of fluid from the borehole termination structure (12) to a discharge port of the coupling body (28), in which the sealing member (42) contacts the borehole termination structure (12) to form a seal with the borehole termination structure (12), and the sealing member (42) changes from a first way to a second way to form the seal based on contact with the well hole termination structure (12).
    [0020]
    20. Method according to claim 19, characterized by the fact that the engagement, by the sealing member (42), of the well hole termination structure (12) includes the contact of at least one upper surface of the termination structure borehole (12) with a sealing member engagement surface (42) and axially slides the sealing member (42) into the cavity (30) based on contact of at least one upper surface of the well hole (12)
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    同族专利:
    公开号 | 公开日
    US8434558B2|2013-05-07|
    NO20130785A1|2013-06-05|
    US20130140043A1|2013-06-06|
    GB201307957D0|2013-06-12|
    GB2499743B|2017-12-27|
    GB2499743A|2013-08-28|
    BR112013011945A2|2016-09-27|
    US20120118580A1|2012-05-17|
    WO2012067704A1|2012-05-24|
    US8746344B2|2014-06-10|
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    法律状态:
    2018-12-26| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-09-03| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-06-09| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-09-01| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 09/09/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US12/945,995|US8434558B2|2010-11-15|2010-11-15|System and method for containing borehole fluid|
    US12/945,995|2010-11-15|
    PCT/US2011/050963|WO2012067704A1|2010-11-15|2011-09-09|System and method for containing borehole fluid|
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