• 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:
    laying tool and method of laying an underground tool. the present invention relates to a driver and a method for adjusting an underground tool (14) using a driver mounted externally on a tube column that is operationally coupled to a tool to be driven. at the desired location for the actuation, a signal is given to a valve assembly (34). opening the valve (34) releases the compressible pressurized fluid against a floating piston (26). the piston drives the viscous fluid in front of it through the now open valve (34) which, in turn, drives a driving piston, the movement of which rests the tool. the trigger mechanism for opening the valve (34) can be a variety of methods, including an acoustic signal, a vibration signal, a change in the magnetic field, or an elastic deformation of the tube wall adjacent to the valve assembly (34) .
    公开号:BR112013018059B1
    申请号:R112013018059-5
    申请日:2012-02-16
    公开日:2021-04-27
    发明作者:Aubrey C. Mills；Basil J. Joseph；Ammar A. Munshi；Kevin O'oconnor；Charles W. Pleasants
    申请人:Baker Hughes Incorporate；
    IPC主号:
    专利说明:

    FIELD OF THE INVENTION
    The field of the invention is that of the actuators and actuation methods for operating an underground tool, and more particularly the actuation of a tool arranged around a pipe without an opening in the pipe wall using the potential energy in the actuator when placed inward. . BACKGROUND OF THE INVENTION
    Many operations in an underground pit involve the laying of tools that are mounted outside a pipe column. A common example is a plug or wedges that can be used to seal an annular space or / and support a column of pipe from another. Mechanical drive techniques for such devices, which have used applied or hydrostatic pressure to drive a piston to drive up wedges, form a cone and compress sealing elements into a sealing position, involving openings in the pipe wall. These openings are considered to be potential leak paths that reduce reliability and are not desirable.
    Alternative techniques have been developed that perform the task of activating tools without openings in the walls. These devices used annular fluid, which was selectively admitted to the drive tool housing, and, as a result of such fluid entry, resulted in a reaction that created pressure in the driver housing to operate the tool. In one version, the admission of water to a portion of the actuator allowed a material to be reacted to create hydrogen gas, which was then used to drive a piston to adjust a tool such as a plug. Some examples of such tools that operate with the principle of gas generation are US Patent 7,591,319 and US Publications 2007/0089911 and 2009/0038802.
    Those devices that had to generate pressure down the well were complicated and expensive. In some instances, the available space was restricted to such devices, limiting their feasibility. What is needed and provided by the present invention, is an actuator that goes to the orifice with stored potential energy, that employs a variety of surface signaling techniques to activate the tool and release the pressure / adjusting force. The preferred source of potential energy is compressed gas. Those skilled in the art will still understand the invention from a review of the description of the preferred embodiment and the associated drawings while further assessing that the full scope of the invention is yet to be determined by the appended claims. SUMMARY OF THE INVENTION
    A driver and method for laying an underground tool uses a driver mounted externally on a tube column that is operatively coupled to a tool to be driven. At the desired location for the actuation, a signal for a valve assembly is given. Opening the valve releases the compressible pressurized fluid against a floating floor. The piston drives the viscous fluid in front of it through the now open valve, which in turn drives a driving piston whose movement rests the tool. The trigger mechanism for opening the valve can be of a variety of methods including an acoustic signal, a vibration signal, a change in the magnetic field, or an elastic deformation of the tube wall adjacent to the valve assembly. BRIEF DESCRIPTION OF THE DRAWINGS
    FIG. 1 is the assembly in the "run-through" position; and FIG. 2 is the assembly of FIG. 1 in the seated well below position after the trigger is pulled. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
    FIG. 1 illustrates the tube column 10 placed in a well 12 which is preferably coated. The tool to be driven 14 is illustrated schematically as a metal-to-metal and / or elastomeric seal which may have wedges for attachment to the outer well tube 12 when the drive link 16 is moved axially. A cone 18 is used to propel tool 14 radially in contact with the well or tube 12. Link 16 extends from housing 20 which is coupled to tubular column 10. Column 10 passes through housing 20 to define an annular shape 22 which is charged to a predetermined pressure with a compressible fluid 24. A floating piston 26 defines annular volume 22 on one side and annular volume 28 on the opposite side. The annular volume 28 is filled with a viscous fluid such as light oil 30. The valve body 32 has a remotely actuated valve 34. In the closed position of the valve 34 the oil 30 is contained in the annular volume 28. The annular volume 36 is defined between valve body 32 and drive piston 38. The movement of piston 38 moves link 16 to drive tool 14 as well as moving ramp 18 above. The pistons 26 and 38 have external peripheral seals against the housing 20 and internal seals against the pipe column 10. The annular volume 40 can be enclosed with low or no pressure or, depending on the depth of the installation, can be opened into the annular space through a non-return valve 42 that allows fluid to escape out of volume 40 as it becomes smaller when link 16 is moved. Link 16 is sealed at 44 to keep the surrounding fluids out of volume 40 as the tool 14 is seated with the movement of link 16.
    Opening of valve 34 can be accomplished by an acoustic signal 46 which is illustrated schematically. Alternatively, valve 34 can be triggered with a dart 48 that passes close to valve 34 and has a field such as an electromagnetic or magnetically permanent magnetic field that communicates with sensor 50 in valve housing 32. Another method for operating the valve 34 is to elastically deform the tube wall in column 10 adjacent to the sensor in the housing 32. A spacing tool having a pair of spaced seals to create a closed volume in which pressure is delivered to flex the tube wall is provided 10. Alternatively , a tool attached to a cable can be lowered to communicate with the valve housing 32 using magnetic, radio, ultrasonic, acoustic or mechanical signals.
    FIG. 2 shows the tool 14 seated against the liner or well or tube 12 after the cement (not shown) has been circulated and placed below the well, but before it has cured. Opening valve 34 allowed fluid 24 to expand chamber 22 and move oil 30 from chamber 28 and into chamber 36. As a result, piston 38 is displaced when tool 14 rests. Although pistons 26 and 38 are shown as annular pistons, they can also be rod pistons. The piston 26 can be eliminated so that the opening of the valve 34 can use the compressible fluid directly to displace the piston 38 which is connected to the link or links 16. The movement of the piston 38 is preferably axial, but can be in rotation or a combination of the two when correctly guided in their movements to adjust tool 14. Although it is preferable to set tool 14 as quickly as possible, the rate at which it is set can be controlled with the size of the passage 54 leading to valve 34 and move away from her. Although the use of light oil 30 is preferred, other fluids of relatively low viscosity, descending into the water, can be used. The use of piston 26 allows compensation for the growth of the thermally induced pressure in the compressible fluid 24 triggered by the temperature of the surrounding well fluids. Regardless of the various signs mentioned above for opening valve 34, other triggers are possible, although their use is less optimal than the techniques already discussed. The valve 34 can be triggered by time, temperature or proximity to devices carried by the column 10 that communicate in different ways with the sensors and the processor in the housing 32. Although the preferred tool 14 is an annular barrier, other tools can be activated outside of tube 10, avoiding having openings through its walls. Some of these tools can be anchors or centralizers, for example. Although compressed gas as a potential energy source is preferred, other options, such as using a shape memory alloy or bistable material, or a mechanical spring such as a spiral spring, or a Belleville Pile of washers to fire the piston 38, are other options.
    The above description is illustrative of the preferred modality and many • modifications can be made by those skilled in the art without departing from the invention whose scope must be determined from the literal and equivalent scope of the claims below.
    权利要求:
    Claims (30)
    [0001]
    1. Seating tool externally mounted on an underground tubular column (10) to selectively seat an associated tool for selective contact with a surrounding tubular around the underground tubular, characterized by comprising: a tubular mandrel defined by a wall free from openings. wall and having opposite ends adapted to be connected to the underground tubular column to become an integral part containing column pressure; a housing (20) mounted externally on the tubular mandrel and containing a potential energy force of isolated pressurized fluid and the potential energy force can be selectively remotely released with a stationary valve (34) for mechanical operation of the laying tool without manipulation mandrel or fluid flow between the mandrel and the housing (20); the pressurized fluid remains in a variable volume chamber that surrounds the pressurized fluid during the execution and installation of the laying tool.
    [0002]
    2. Tool according to claim 1, characterized by the fact that: the potential energy force comprises a compressible fluid.
    [0003]
    3. Tool according to claim 1, characterized by the fact that: the housing (20) comprises at least one piston that defines a chamber for the potential energy.
    [0004]
    4. Tool according to claim 1, characterized by the fact that: the potential energy is released by activating a valve (34) in the housing (20).
    [0005]
    5. Tool according to claim 4, characterized by the fact that: the valve (34) is released by an acoustic signal, a vibration signal, a change in the magnetic field, or elastic deformation of the tubular wall adjacent to the valve (34).
    [0006]
    6. Tool according to claim 5, characterized by the fact that: the valve (34) is located on the opposite side of the piston from the potential energy source.
    [0007]
    7. Tool according to claim 6, characterized by the fact that: the piston is a floating piston (26).
    [0008]
    8. Tool according to claim 7, characterized by the fact that: the potential energy source can comprise at least one or more of a group consisting of a mechanical spring, a chemical reaction, a stack of Belleville washers, a material with shape memory, a compressed fluid and a bistable material.
    [0009]
    9. Tool according to claim 8, characterized by the fact that: the valve (34) is activated with at least one or more of a group consisting of a vibrating or acoustic signal, application of an energy field in the vicinity of the valve (34) and elastic deformation of a tubular wall that passes through the housing (20).
    [0010]
    10. Tool according to claim 9, characterized by the fact that: the valve (34) is selectively actuated to open.
    [0011]
    11. Tool according to claim 9, characterized by the fact that: the field is applied to a dart that passes through the tubular adjacent to the valve (34).
    [0012]
    12. Tool according to claim 9, characterized by the fact that: the field is applied using a steel cable tool lowered inside the housing (20).
    [0013]
    13. Laying tool externally mounted on an underground tubular column (10) to selectively seat an associated tool for selective contact with a surrounding tubular column (10), characterized by comprising: a housing (20) containing a potential energy force of pressurized fluid as part of the underground tubular column (10) and selectively releasable for operating the tool to engage the underground tubular without manipulating the housing (20), fluid flow or pressure communication to the housing (20) from inside or outside the tubular; the potential energy is released by activating a valve (34) in the housing (20); the valve (34) is operated remotely; the housing (20) comprises at least one piston with the valve (34) located on the opposite side of the piston from the potential energy source; the pressurized fluid remains in a cavity of variable volume on one side of the piston to perform the measurement as and before the valve (34) is remotely operated to allow the piston to move; the piston is a floating piston (26); the valve (34) is located in a chamber between the float-ante piston (26) and the second piston (38), in which the movement of the second piston (38) activates the tool.
    [0014]
    14. Tool according to claim 13, characterized by the fact that: the second piston (38) is connected to the tool associated with at least one link (16).
    [0015]
    15. Tool according to claim 14, characterized by the fact that: the link (16) moves the tool over a ramp mounted on the tubular.
    [0016]
    16. Tool according to claim 15, characterized by the fact that: the tool comprises a seal; the movement of the link (16) extends the seal over the ramp to seal an annular gap around the housing (20).
    [0017]
    17. Tool according to claim 16, characterized by the fact that: the seal is metallic.
    [0018]
    18. Method of laying an underground tool (14) with a laying tool, characterized in that it comprises: the assembly of the underground tool (14) and the laying tool externally to a tubular mandrel without wall openings in the mandrel, a laying tool move the underground tool (14) in contact with a surrounding tubular column (10); provision of a self-contained potential energy source in the settlement tool; connecting end connections over the mandrel to a tubular column (10) positioned within the surrounding column to make the mandrel a pressure-sustaining component of the tubular column (10); mandrel arrangement for a desired underground location; mechanical operation of the seating tool with a signal from a remote location by releasing the potential energy source while keeping the chuck stationary.
    [0019]
    19. Method according to claim 18, characterized by the fact that it comprises: use of a different signal of manipulation of the mandrel, fluid pressure or fluid flow inside the mandrel for the operation.
    [0020]
    20. Method according to claim 19, characterized by the fact that it comprises: activation of the laying tool with the release of a potential energy force.
    [0021]
    21. Method according to claim 20, characterized by the fact that it comprises: use as a potential energy source of at least one or more of a group consisting of a mechanical spring, a stack of Belleville washers, a material with memory of form, a compressed fluid, and a bistable material.
    [0022]
    22. Method according to claim 19, characterized by the fact that it comprises: retention of a potential energy source in the seating tool with the valve (34) selectively open.
    [0023]
    23. Method according to claim 22, characterized by the fact that it comprises: opening the valve (34) without intervention in the mandrel.
    [0024]
    24. Method according to claim 22, characterized by the fact that it comprises: movement of at least one piston through the opening of the valve (34).
    [0025]
    25. Method according to claim 24, characterized by the fact that it comprises: provision as at least one piston of a driving piston whose movement drives the underground tool (14).
    [0026]
    26. Method according to claim 22, characterized in that it comprises: retention of the potential energy force on the opposite side of a floating piston (26) from the valve (34).
    [0027]
    27. Method according to claim 26, characterized by the fact that it comprises: provision of a variable volume chamber between the floating piston (26) and the valve (34) that maintains a compressible fluid.
    [0028]
    28. Method according to claim 22, characterized by the fact that it comprises: use as the signal at least one or more of a group consisting of an acoustic or vibration signal, application of an energy field in the vicinity of the valve ( 34) and elastic deformation of a tubular mandrel wall.
    [0029]
    29. Seating tool externally mounted to an underground tubular for selectively fitting an associated tool, characterized by comprising: a tubular mandrel defined by a wall free of wall openings and which has opposite ends adapted to be connected to a column of tubular (10) to become an integral part containing pressure from the column, by virtue of a passage through it; a housing (20) mounted on an opposite side of the wall from the passage that still comprises an actuator operationally connected to the associated tool, the actuator selectively operates the associated tool, without manipulating the mandrel or fluid flow between the passage and the trigger; the actuator selectively removes a physical barrier that allows the associated tool to settle in response to a trigger signal from the passage or wall.
    [0030]
    30. Method of laying an underground tool (14) with a laying tool, characterized by comprising: assembly of the underground tool (14) and the laying tool externally to a tubular mandrel comprising a wall that defines a passage, in which the wall is without openings; connecting the end connections on the mandrel to a tubular column (10) to make the mandrel a pressure-sustaining component of the column; mandrel placement in a desired underground location; operation of the seating tool with a signal from the passage or wall to a driver, while keeping the mandrel stationary, where the signal removes a barrier in the driver to operate the seating tool.
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    法律状态:
    2020-11-03| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2021-03-16| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2021-04-27| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 16/02/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/029,266|2011-02-17|
    US13/029,266|US8813857B2|2011-02-17|2011-02-17|Annulus mounted potential energy driven setting tool|
    PCT/US2012/025397|WO2013015844A2|2011-02-17|2012-02-16|Annulus mounted potential energy driven setting tool|
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