An apparatus operatively coupled to a well having a production casing positioned therein, the apparatus including a first device having and internal bore, a second device having an internal bore, and a fracture isolation sleeve disposed at least partially within the internal bores of the first and s
An apparatus operatively coupled to a well having a production casing positioned therein, the apparatus including a first device having and internal bore, a second device having an internal bore, and a fracture isolation sleeve disposed at least partially within the internal bores of the first and second devices, wherein the fracture isolation sleeve has an internal diameter that is greater than or equal to an internal diameter of the production casing.
대표청구항▼
What is claimed is: 1. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: a first device having an internal bore; a second device having an internal bore; and a fracture isolation sleeve disposed at least partially withi
What is claimed is: 1. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: a first device having an internal bore; a second device having an internal bore; and a fracture isolation sleeve disposed at least partially within said internal bores of said first and second devices, said fracture isolation sleeve having an internal diameter that is greater than or equal to an internal diameter of said production casing, wherein said fracture isolation sleeve is adapted to be retrievable through at least one device positioned above said first device, wherein said at least one device is a fracturing system positioned above said well, wherein said fracture isolation sleeve further comprises a profile formed in an exterior surface of said fracture isolation sleeve, said profile adapted to be engaged by a structure that penetrates through one of said first and second devices to secure said fracture isolation sleeve in an operational position. 2. The apparatus of claim 1, wherein said first device comprises at least one of a adapter and a Christmas tree. 3. The apparatus of claim 1, wherein said second device comprises a tubing head. 4. The apparatus of claim 1, further comprising a first seal between said internal bore of said first device and said fracture isolation sleeve. 5. The apparatus of claim 4, further comprising a second seal between said internal bore of said second device and said fracture isolation sleeve. 6. The apparatus of claim 1, wherein an end of said fracture isolation sleeve is adapted to sealingly engage a production casing bushing in said well. 7. The apparatus of claim 1, further comprising a cap threadingly engaged with an end of said fracture isolation sleeve, said cap having an internal diameter that is greater than or equal to said internal diameter of said production casing. 8. The apparatus of claim 7, wherein an end of said cap is adapted to be positioned adjacent a production casing bushing in said well. 9. The apparatus of claim 7, wherein an end of said cap is adapted to sealingly engage a production casing bushing in said well. 10. The apparatus of claim 1, further comprising a profile formed in an interior surface of said fracture isolation sleeve for engaging a pressure barrier device to be positioned within said fracture isolation sleeve. 11. The apparatus of claim 10, wherein said pressure barrier device comprises at least one of a check valve, a back pressure valve and a test plug. 12. The apparatus of claim 1, wherein said first and second devices are adapted to be positioned adjacent to one another and coupled together. 13. The apparatus of claim 1, wherein said first device comprises a component of the fracturing system. 14. The apparatus of claim 1, wherein said first device is a fracturing master valve and said second device is a tubing head. 15. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: an adapter having an internal bore; a tubing head having an internal bore; a fracture isolation sleeve disposed at least partially within said internal bores of said adapter and said tubing head, said fracture isolation sleeve having an internal diameter that is greater than or equal to an internal diameter of said production casing, wherein said fracture isolation sleeve is adapted to be retrievable through at least one device positioned above said adapter; and a profile formed in an exterior surface of said fracture isolation sleeve, wherein said profile is adapted to be engaged by a structure that penetrates through one of said adapter and said tubing head to secure said fracture isolation sleeve in an operational position. 16. An apparatus, according to claim 15, further comprising a first seal between said internal bore of said adapter and said fracture isolation sleeve. 17. An apparatus according to claim 16 further comprising a second seal between said internal bore of said tubing head and said fracture isolation sleeve. 18. The apparatus of claim 15, wherein an end of said fracture isolation sleeve is adapted to sealingly engage a production casing bushing in said well. 19. The apparatus of claim 15, further comprising a cap threadingly engaged with an end of said fracture isolation sleeve, said cap having an internal diameter that is greater than or equal to said internal diameter of said production casing. 20. The apparatus of claim 19, wherein an end of said cap is adapted to be positioned adjacent a production casing bushing in said well. 21. The apparatus of claim 19, wherein an end of said cap is adapted to sealingly engage a production casing bushing in said well. 22. The apparatus of claim 15, further comprising a profile formed in an interior surface of said fracture isolation sleeve for engaging a pressure barrier device to be positioned within said fracture isolation sleeve. 23. The apparatus of claim 22, wherein said pressure barrier device comprises at least one of a check valve, a back pressure valve and a test plug. 24. The apparatus of claim 15, wherein said adapter and said tubing head are adapted to be positioned adjacent to one another and coupled together. 25. The apparatus of claim 15, wherein said at least one device positioned above said first device is a fracturing system positioned above said well. 26. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: a first device having an internal bore; a second device having an internal bore; a fracture isolation sleeve disposed at least partially within said internal bores of said first and second devices, wherein said fracture isolation sleeve sealingly engages an internal bore of at least one of said first device and said second device and sealingly engages an internal diameter of said production casing, and a profile formed in an exterior surface of said fracture isolation sleeve, said profile adapted to be engaged to secure said fracture isolation sleeve in an operational position, wherein said profile in said exterior surface of said fracture isolation sleeve is adapted to be engaged by a structure that penetrates through one of said first and second devices; and a profile formed in an interior surface of said fracture isolation sleeve for engaging a pressure barrier device to be positioned within said body. 27. The apparatus of claim 26, wherein said first device comprises at least one of a adapter and a Christmas tree. 28. The apparatus of claim 26, wherein said second device comprises a tubing head. 29. The apparatus of claim 26, wherein said pressure barrier device comprises at least one of a check valve, a back pressure valve and a test plug. 30. The apparatus of claim 26, wherein said structure is a lock down screw. 31. The apparatus of claim 26, wherein said profile in said exterior surface of said fracture isolation sleeve is a non-threaded profile. 32. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: a first device having an internal bore; a second device having an internal bore; and a fracture isolation sleeve disposed at least partially within said internal bores of said first and second devices, wherein said fracture isolation sleeve sealingly engages an internal bore of at least one of said first device and said second device and sealing engages an internal diameter of said production casing, and a profile formed in an exterior surface of said fracture isolation sleeve, said profile adapted to be engaged to secure said fracture isolation sleeve in an operational position, wherein said profile in said exterior surface of said fracture isolation sleeve is adapted to be engaged by a lock down screw. 33. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: a first device having an internal bore; a second device having an internal bore; and a fracture isolation sleeve disposed at least partially within said internal bores of said first and second devices, said fracture isolation sleeve having an internal diameter that is greater than or equal to an internal diameter of said production casing, wherein said fracture isolation sleeve is adapted to be retrievable through at least one device positioned above said first device, wherein said fracture isolation sleeve further comprises a profile formed in an exterior surface of said fracture isolation sleeve, said profile adapted to be engaged to secure said fracture isolation sleeve in an operational position, and wherein said profile in said exterior surface of said fracture isolation sleeve is adapted to be engaged by a lock down screw. 34. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: a first device having an internal bore; a second device having an internal bore; and a fracture isolation sleeve disposed at least partially within said internal bores of said first and second devices, said fracture isolation sleeve having an internal diameter that is greater than or equal to an internal diameter of said production casing, wherein said fracture isolation sleeve is adapted to be retrievable through at least one device positioned above said first device, wherein said fracture isolation sleeve further comprises a profile formed in an exterior surface of said fracture isolation sleeve, said profile adapted to be engaged to secure said fracture isolation sleeve in an operational position, and wherein said profile in said exterior surface of said fracture isolation sleeve is adapted to be engaged by a structure that penetrates through one of said first and second devices. 35. The apparatus of claim 34, wherein said structure is a lock down screw. 36. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: a first device having an internal bore; a second device having an internal bore; a fracture isolation sleeve disposed at least partially within said internal bores of said first and second devices, said fracture isolation sleeve having an internal diameter that is greater than or equal to an internal diameter of said production casing, wherein said fracture isolation sleeve is adapted to be retrievable through at least one device positioned above said first device, wherein said at least one device is a fracturing system positioned above said well; and a profile formed in an interior surface of said fracture isolation sleeve for engaging a pressure barrier device to be positioned within said fracture isolation sleeve. 37. The apparatus of claim 36, wherein said pressure barrier device comprises at least one of a check valve, a back pressure valve and a test plug. 38. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: an adapter having an internal bore; a tubing head having an internal bore; a fracture isolation sleeve disposed at least partially within said internal bores of said adapter and said tubing head, said fracture isolation sleeve having an internal diameter that is greater than or equal to an internal diameter of said production casing, wherein said fracture isolation sleeve is adapted to be retrievable through at least one device positioned above said adapter; a profile formed in an exterior surface of said fracture isolation sleeve, wherein said profile is adapted to be engaged to secure said fracture isolation sleeve in an operational position; and a profile formed in an interior surface of said fracture isolation sleeve for engaging a pressure barrier device to be positioned within said fracture isolation sleeve. 39. The apparatus of claim 38, wherein said pressure barrier device comprises at least one of a check valve, a back pressure valve and a test plug. 40. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: a first device having an internal bore; a second device having an internal bore; a fracture isolation sleeve disposed at least partially within said internal bores of said first and second devices, said fracture isolation sleeve having an internal diameter that is greater than or equal to an internal diameter of said production casing, wherein said fracture isolation sleeve is adapted to be retrievable through at least one device positioned above said first device, wherein said at least one device is a fracturing system positioned above said well, wherein said fracture isolation sleeve further comprises a profile formed in an exterior surface of said fracture isolation sleeve, said profile adapted to be engaged to secure said fracture isolation sleeve in an operational position and wherein said profile in said exterior surface of said fracture isolation sleeve is adapted to be engaged by a lock down screw. 41. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: a first device having an internal bore; a second device having an internal bore; a fracture isolation sleeve disposed at least partially within said internal bores of said first and second devices, said fracture isolation sleeve having an internal diameter that is greater than or equal to an internal diameter of said production casing, wherein said fracture isolation sleeve is adapted to be retrievable through at least one device positioned above said first device, wherein said at least one device is a fracturing system positioned above said well, wherein said fracture isolation sleeve further comprises a profile formed in an exterior surface of said fracture isolation sleeve, said profile adapted to be engaged to secure said fracture isolation sleeve in an operational position and wherein said profile in said exterior surface of said fracture isolation sleeve is a non-threaded profile. 42. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: an adapter having an internal bore; a tubing head having an internal bore; a fracture isolation sleeve disposed at least partially within said internal bores of said adapter and said tubing head, said fracture isolation sleeve having an internal diameter that is greater than or equal to an internal diameter of said production casing, wherein said fracture isolation sleeve is adapted to be retrievable through at least one device positioned above said adapter; and a profile formed in an exterior surface of said fracture isolation sleeve, wherein said profile is adapted to be engaged to secure said fracture isolation sleeve in an operational position, wherein said profile in said exterior surface of said fracture isolation sleeve is adapted to be engaged by a lock down screw. 43. An apparatus adapted to be operatively coupled to a well having a production casing positioned therein, the apparatus comprising: an adapter having an internal bore; a tubing head having an internal bore; a fracture isolation sleeve disposed at least partially within said internal bores of said adapter and said tubing head, said fracture isolation sleeve having an internal diameter that is greater than or equal to an internal diameter of said production casing, wherein said fracture isolation sleeve is adapted to be retrievable through at least one device positioned above said adapter; and a profile formed in an exterior surface of said fracture isolation sleeve, wherein said profile is adapted to be engaged to secure said fracture isolation sleeve in an operational position, wherein said profile in said exterior surface of said fracture isolation sleeve is a non-threaded profile.
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이 특허에 인용된 특허 (29)
McGuire,Bob; Dallas,L. Murray, Adapters for double-locking casing mandrel and method of using same.
Dines Christopher A. (Dallas TX) Robison Clark E. (Plano TX) Shy Perry C. (Arlington TX) Welch William R. (Carrollton TX), Internally sealable perforable nipple for downhole well applications.
Reaux, James R.; Benson, Dan T.; Thorne, Donald L., System and method for lessening impact on Christmas trees during downhole operations involving Christmas trees.
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