Run-in and retrieval device for a downhole tool
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-023/00
E21B-031/00
출원번호
US-0133839
(2005-05-19)
등록번호
US-7337852
(2008-03-04)
발명자
/ 주소
Manke,Kevin R.
Hriscu,Iosif J.
Howell,Matthew T.
출원인 / 주소
Halliburton Energy Services, Inc.
대리인 / 주소
Wustenberg,John W.
인용정보
피인용 횟수 :
31인용 특허 :
9
초록▼
A run-in and retrieval device for a downhole tool comprises a first set of lugs disposed on a first component of the device connected to a tool string, and a second set of lugs disposed on a second component of the device connected to the downhole tool, wherein the first set of lugs interact with th
A run-in and retrieval device for a downhole tool comprises a first set of lugs disposed on a first component of the device connected to a tool string, and a second set of lugs disposed on a second component of the device connected to the downhole tool, wherein the first set of lugs interact with the second set of lugs in a connected position. A method for running at least one downhole tool into a well bore comprises forming a releasable connection between an overshot connected to a tool string and a mandrel connected to the at least one downhole tool, running the at least one downhole tool into the well bore via the tool string, manipulating the at least one downhole tool in the well bore; and, rotating the overshot less than 360 degrees with respect to the mandrel to release the connection therebetween.
대표청구항▼
What we claim as our invention is: 1. A run-in and retrieval device for a downhole tool comprising: a first set of lugs disposed on a first component of the device connected to a tool string; a second set of lugs disposed on a second component of the device connected to the downhole tool, wherein t
What we claim as our invention is: 1. A run-in and retrieval device for a downhole tool comprising: a first set of lugs disposed on a first component of the device connected to a tool string; a second set of lugs disposed on a second component of the device connected to the downhole tool, wherein the first set of lugs interact with the second set of lugs in a connected position; and a slidable locking mechanism, wherein the slidable locking mechanism secures the lugs' interaction in the connected position, and wherein the locking mechanism is releasable hydraulically, mechanically, electromechanically, or a combination thereof. 2. The device of claim 1 wherein the second component is adapted to remain connected to the downhole tool in a well bore. 3. The device of claim 1 wherein the first set of lugs engages the second set of lugs to support weight in the connected position. 4. The device of claim 3 wherein a total cross-sectional area of engagement between the first set of lugs and the second set of lugs defines the maximum quantity of weight that can be supported. 5. The device of claim 1 wherein a relative rotation between the first component and the second component moves the device between the connected position and a released position wherein the first component is removable from the second component. 6. The device of claim 5 wherein the relative rotation comprises less than a 360-degree rotation. 7. A run-in and retrieval device for a downhole tool comprising: a first set of lugs disposed on a first component of the device connected to a tool string; a second set of lugs disposed on a second component of the device connected to the downhole tool, wherein the first set of lugs interact with the second set of lugs in a connected position; a slidable locking mechanism, wherein the slidable locking mechanism secures the lugs' interaction in the connected position, and wherein a relative rotation between the first component and the second component moves the device between the connected position and a released position wherein the first component is removable from the second component, and further comprising a guide key on the first component adapted to interact with a guide slot on the second component to cause the relative rotation as the first component is lowered with respect to the second component in the released position. 8. A run-in and retrieval device for a downhole tool comprising: a first set of lugs disposed on a first component of the device connected to a tool string; a second set of lugs disposed on a second component of the device connected to the downhole tool, wherein the first set of lugs interact with the second set of lugs in a connected position; wherein a relative rotation between the first component and the second component moves the device between the connected position and a released position, and wherein the first component is removable from the second component; and further comprising an alignment key on the first component adapted to interact with at least one lug of the second set of lugs to align the first component and the second component for relative rotation therebetween as the first component is lowered with respect to the second component in the released position. 9. The device of claim 8 wherein the alignment key is configured to ensure full interaction of the first set of legs and the second set of lugs in the connected position. 10. A run-in and retrieval device for a downhole tool comprising: a first set of lugs disposed on a first component of the device connected to a tool string; a second set of lugs disposed on a second component of the device connected to the downhole tool, wherein the first set of lugs interact with the second set of lugs in a connected position; a slidable locking mechanism, wherein the slidable locking mechanism secures the lugs' interaction in the connected position, and wherein a relative rotation between the first component and the second component moves the device between the connected position and a released position wherein the first component is removable from the second component, and further comprising a rotational stop to prevent over-rotation when moving the device between the connected position and the released position. 11. A run-in and retrieval device for a downhole tool comprising: a first set of lugs disposed on a first component of the device connected to a tool string; a second set of lugs disposed on a second component of the device connected to the downhole tool, wherein the first set of lugs interact with the second set of lugs in a connected position; a slidable locking mechanism, wherein the slidable locking mechanism secures the lugs' interaction in the connected position, and wherein the locking mechanism is biased to a locked position by a spring. 12. A run-in and retrieval device for a downhole tool comprising: a first set of lugs disposed on a first component of the device connected to a tool string; a second set of lugs disposed on a second component of the device connected to the downhole tool, wherein the first set of lugs interact with the second set of lugs in a connected position; a slidable locking mechanism, wherein the slidable locking mechanism secures the lugs' interaction in the connected position, and wherein the locking mechanism is adapted to facilitate rotation between the first component and the second component. 13. A method for running at least one downhole tool into a well bore comprising: forming a releasable connection between an overshot connected to a tool string and a mandrel connected to the at least one downhole tool; running the at least one downhole tool into the well bore via the tool string; manipulating the at least one downhole tool in the well bore; releasing a slidable locking mechanism to allow rotation between the overshot and the mandrel; and rotating the overshot less than 360 degrees with respect to the mandrel to release the connection therebetween. 14. The method of claim 13 wherein forming the releasable connection comprises causing lugs on the overshot to interact with lugs on the mandrel. 15. The method of claim 14 further comprising engaging the overshot lugs with the mandrel lugs to support weight below the releasable connection. 16. The method of claim 14 further comprising ensuring full interaction between the lugs on the overshot and the lugs on the mandrel. 17. The method of claim 13 wherein releasing the locking mechanism comprises applying pressure to the well bore or to the tool string. 18. The method of claim 17 wherein releasing the locking mechanism further comprises applying a force to the tool string. 19. The method of claim 13 further comprising removing the overshot from the well bore via the tool string and leaving the mandrel connected to the at least one downhole tool within the well bore. 20. The method of claim 19 further comprising retrieving the at least one downhole tool from the well bore comprising: lowering the overshot into the well bore via the tool string; aligning the overshot with the mandrel for rotation there between; releasing a slidable locking mechanism; rotating the overshot less than 360 degrees with respect to the mandrel to reform the releasable connection therebetween; and retrieving the at least one downhole tool from the well bore via the tool string. 21. The method of claim 20 wherein the overshot is caused to rotate with respect to the mandrel by moving the overshot longitudinally downwardly over the mandrel. 22. The method of claim 20 wherein the overshot is caused to align with the mandrel by moving the overshot longitudinally downwardly over the mandrel. 23. The method of claim 20 wherein releasing the locking mechanism comprises applying a mechanical force, a hydraulic force, an electromechanical force, or a combination thereof to the locking mechanism. 24. The method of claim 20 further comprising re-engaging the locking mechanism after the reforming the releasable connection. 25. A downhole run-in and retrieval device comprising: a mandrel with a first set of lugs; an overshot with a central opening defining a wall having a second set of lugs disposed therein, the opening being adapted to receive the mandrel, wherein the first set of lugs and the second set of lugs interact to form a releasable connection; and a slidable locking mechanism, wherein the slidable locking mechanism secures the lugs' interaction in the connected position. 26. The device of claim 25 wherein the first set of lugs and the second set of lugs engage to support a weight below the releasable connection. 27. The device of claim 25 wherein the first set of lugs and the second set of lugs are connectable and releasable by less than a 360-degree relative rotation between the mandrel and the overshot. 28. A downhole run-in and retrieval device comprising: a mandrel with a first set of lugs; an overshot with a central opening defining a wall having a second set of lugs disposed therein, the opening being adapted to receive the mandrel, wherein the fast set of lugs interact to form a releasable connection, wherein the first set of lugs and the second set of lugs are connectable and releasable by less than a 360-degree relative rotation between the mandrel and the overshot; and wherein at least one of the second set of lugs is adapted to interact with a J-slot on the mandrel to cause the relative rotation as the overshot is moved axially downwardly over the mandrel.
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