IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0045497
(2002-01-14)
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발명자
/ 주소 |
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출원인 / 주소 |
- Halliburton Energy Services, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
18 인용 특허 :
9 |
초록
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A disconnect system for coiled tubing. A first end of the coiled tubing is disconnected from a second end of the coiled tubing by holding the coiled tubing in a stationary position at a first and a second location. The coiled tubing is then sheared at one or more locations between the first and the
A disconnect system for coiled tubing. A first end of the coiled tubing is disconnected from a second end of the coiled tubing by holding the coiled tubing in a stationary position at a first and a second location. The coiled tubing is then sheared at one or more locations between the first and the second location.
대표청구항
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1. A method of disconnecting one end of a tubing from another end of the tubing, comprising:holding the tubing in a stationary position at a first location and a second location;shearing the tubing at one or more locations between and apart the first location and the second location to form at least
1. A method of disconnecting one end of a tubing from another end of the tubing, comprising:holding the tubing in a stationary position at a first location and a second location;shearing the tubing at one or more locations between and apart the first location and the second location to form at least a first section of tubing and a second section of tubing; andmoving the first section of tubing away from the second section of tubing. 2. The method of claim 1, further comprising:isolating the first section of tubing from the second section of tubing. 3. The method of claim 1, further comprising:releasing pressurized fluidic materials from the first section of tubing. 4. The method of claim 1, further comprising:releasing the first section of tubing. 5. The method of claim 4, further comprising:floating an end of the first section of tubing upon the surface of a body of water. 6. The method of claim 1, further comprising:shearing the tubing at a plurality of locations between the first and second location. 7. The method of claim 6, further comprising:crimping the tubing at the plurality of locations between the first and second location. 8. A system for disconnecting one end of a tubing from another end of the tubing, comprising:means for holding the tubing in a stationary position at a first location and a second location;means for shearing the tubing at one or more locations between the first location and the second location to form at least a first section of tubing and a second section of tubing; andmeans for releasing pressurized fluidic materials from at least one of the first section of tubing and the second section of tubing. 9. The system of claim 8, further comprising:means for moving the first section of tubing away from the second section of tubing. 10. The system of claim 8, further comprising:means for isolating the first section of tubing from the second section of tubing. 11. The system of claim 8, further comprising:means for releasing pressurized fluidic materials from the first section of tubing. 12. The system of claim 8, further comprising:means for releasing the first section of tubing. 13. The system of claim 12, further comprising:means for floating an end of the first section of tubing upon the surface of a body of water. 14. The system of claim 8, further comprising:means for shearing the tubing at a plurality of locations between the first and second location. 15. The system of claim 14, further comprising:means for crimping the tubing at the plurality of locations between the first and second location. 16. A system for disconnecting one end of a tubing from another end of the tubing, comprising:a first holding device for holding the tubing at a first location;a second holding device coupled to the first holding device for holding the tubing at a second location;at least one shearing device coupled to the first and second holding devices for shearing the tubing at a location between and apart from the first and second locations to form at least a first and a second section of tubing; andan actuator device for moving the first section of tubing away from the second section of tubing. 17. The system of claim 16, wherein:the actuator device is coupled to the first and second holding devices. 18. The system of claim 17, wherein the actuator device comprises:an inner sleeve defining a passage for receiving the tubing and comprising a flange coupled to the first holding device;an outer sleeve defining a passage for receiving the inner comprising a flange coupled to the second holding device;one or more actuators for displacing the flanges of the inner and outer sleeves away from one another; andone or more shear pins for releasably coupling the inner and outer sleeves. 19. The system of claim 18, wherein the outer sleeve further defines one or more radial passages for venting pressurized fluidic materials from the tubing. 20. The system of claim 18, wherein the outer sleeve defines an annular piston chamber and a radial passage for pressurizing the annular piston chamber; and wherein the actuator comprises:a spring element received within the annular piston chamber; anda tubular piston received within the annular piston chamber. 21. The system of claim 16, further comprising:an isolator device coupled to the first and second holding devices for isolating the first and second sections of tubing. 22. The system of claim 16, wherein the first holding device is adapted to release the first section of tubing. 23. The system of claim 16, wherein the shearing device comprises:a plurality of shearing devices for shearing the tubing at a plurality of locations between the first and second location. 24. The system of claim 23, wherein each of the shearing devices are adapted to crimp the tubing. 25. The system of claim 16, further comprising:a floatation device for floating an end of the first section of tubing upon the surface of a body of water. 26. A method of disconnecting one end of a coiled tubing from another end of the coiled tubing on an offshore platform, comprising:holding the tubing on the offshore platform in a stationary position at a first location and a second location;shearing the tubing on the offshore platform at a location between the first location and the second location to form a first section of tubing and a second section of tubing;moving the first section of tubing away from the second section of tubing;isolating the first section of tubing from the second section of tubing;releasing pressurized fluidic materials from the first section of tubing; andreleasing the first section of tubing off of the offshore platform. 27. A system for disconnecting one end of a coiled tubing from another end of the coiled tubing on an offshore platform, comprising:means for holding the tubing on the offshore platform in a stationary position at a first location and a second location;means for shearing the tubing on the offshore platform at a location between the first location and the second location to form a first section of tubing and a second section of tubing;means for moving the first section of tubing away from the second section of tubing;means for isolating the first section of tubing from the second section of tubing;means for releasing pressurized fluidic materials from the first section of tubing; andmeans for releasing the first section of tubing off of the offshore platform. 28. A system for disconnecting one end of a coiled tubing from another end of the coiled tubing, comprising:a first pipe ram assembly comprising:a first pipe ram housing defining a passage for receiving the tubing; anda first pipe ram movably coupled to the pipe ram housing for controllably engaging the tubing within the passage;a first slip ram assembly coupled to the first pipe ram assembly comprising:a first slip ram housing defining a passage for receiving the tubing; anda first slip ram movably coupled to the slip ram housing for controllably engaging the tubing with the passage;an hydraulic jack assembly coupled to the first slip ram assembly comprising:an inner tubular member defining a passage for receiving the tubing and comprising a flange at one end;an outer tubular member defining one or more radial passages for receiving the inner tubular member and comprising a flange at one end;one or more shear pins coupled between the inner and outer tubular member; andone or more hydraulic jacks coupled between the inner and outer tubular member for controllably displacing the flanges;a blind ram assembly coupled to the offshore platform and the hydraulic jack assembly comprising:a blind ram housing defining a passage for receiving the tubing; anda blind ram movably coupled to the blind ram housing for controllably sealing off the passage;a shear ram assembly coupled to the offshore platform and the blind ram assembly comprising:a shear ram housing defining a shear ram passage for receiving the tubing; anda shear ram movably coupled to the shear r am housing for controllably shearing the tubing;a second pipe ram assembly coupled to the offshore platform and the shear ram assembly comprising:a pipe ram housing defining a passage for receiving the tubing; anda pipe ram movably coupled to the pipe ram housing for controllably engaging the tubing within the passage; anda second slip ram assembly coupled to the offshore platform and the second pipe ram assembly comprising:a slip ram housing defining a passage for receiving the tubing; anda slip ram movably coupled to the slip ram housing for controllably engaging the tubing with the passage. 29. A method of disconnecting one end of a coiled tubing from another end of the coiled tubing on an offshore platform, comprising:shearing and crimping the tubing on the offshore platform at a first location and a second location to form a first, a second, and a third section of tubing;restraining the movement of the first section of tubing on the offshore platform;releasing the third section of tubing from the offshore platform; andfloating the third section of tubing upon the surface of a body of water. 30. A system for disconnecting one end of a coiled tubing from another end of coiled tubing on an offshore platform, comprising:means for shearing and crimping the tubing on the offshore platform at a first location and a second location to form a first, a second, and a third section of tubing;means for restraining the movement of the first section of tubing on the offshore platform;means for releasing the third section of tubing from the offshore platform; andmeans for floating the third section of tubing upon the surface of a body of water. 31. A system for disconnecting one end of a coiled tubing from another end of the coiled tubing on an offshore platform, comprising:a housing defining a first passage, a first chamber, a second passage, a second chamber, and a third passage for receiving the tubing coupled to the offshore platform, wherein the third passage is larger than the first and second passages;a first crimp and cut assembly comprising:a first upper crimp and cut clamp and a first lower crimp and cut clamp movably supported within the first chamber for cooperatively crimping and cutting the tubing within the first chamber; anda second crimp and cut assembly comprising:a second upper crimp and cut clamp and a second lower crimp and cut clamp movably support within the second chamber for cooperatively crimping and cutting the tubing within the second chamber; anda floatation device defining a fourth passage for receiving the tubing movably coupled to the housing, wherein the fourth passage is smaller than the third passage. 32. A method of disconnecting one end of a coiled tubing from another end of the coiled tubing on an offshore platform, comprising:holding the tubing in a stationary position on the offshore platform at a first location and a second location;shearing the tubing on the offshore platform at a plurality of locations between the first location and the second location to form a first section of tubing, a second section of tubing, and a third section of tubing; andmoving the first section of tubing away from the third section of tubing on the offshore platform. 33. A system for disconnecting one end of a coiled tubing from another end of the coiled tubing on an offshore platform comprising:means for holding the tubing in a stationary position on the offshore platform at a first location and a second location;means for shearing the tubing on the offshore platform at a plurality of locations between the first location and the second location to form a first section of tubing, a second section of tubing, and a third section of tubing; andmeans for moving the first section of tubing away from the third section of tubing on the offshore platform. 34. A system for disconnecting one end of a coiled tubing from another end of the coiled tubing on an offshore platform, comprising:a first packoff assembly defining a first passage for receiving the tubing comprising:a packer and a slip for engaging the tubing within the first passage; andan actuator for controlling the operation of the packer and the slip;a first tubing cutter valve assembly coupled to the first packoff assembly defining a second passage for receiving the tubing comprising:a cutter valve for shearing the tubing within the second passage; andan actuator for controlling the operation of the cutter valve;a separator assembly coupled to the first tubing cutter assembly comprising:a housing defining a third passage for receiving the tubing, an annular piston chamber, and a radial passage for pressurizing the annular piston chamber;a spring element received within the annular piston chamber;a tubular piston received within the annular piston chamber;a tubular member received within the third passage defining a fourth passage for receiving the tubing and comprising a flange; anda shear pin for releasably coupling the tubular member and the housing;a second tubing cutter valve assembly coupled to the offshore platform and the separator assembly defining a fifth passage for receiving the tubing comprising:a cutter valve for shearing the tubing within the fifth passage; andan actuator for controlling the operation of the cutter valve; anda second packoff assembly coupled to the offshore platform and the second tubing cutter valve assembly defining a sixth passage for receiving the tubing comprising:a packer and a second slip for engaging the tubing within the sixth passage; andan actuator for controlling the operation of the packer and the slip.
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