IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0272602
(2005-11-14)
|
등록번호 |
US-7387156
(2008-06-17)
|
발명자
/ 주소 |
- Drummond,Gavin H.
- George,Flint
- Harrison,Ryan A.
- Hales,John
- Mason,Justin
|
출원인 / 주소 |
- Halliburton Energy Services, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
25 |
초록
▼
A perforating safety system. A perforating safety system includes a detonation transfer interrupter with a device which decreases an axial separation between detonation transfer components after installation of the interrupter in the well. Another perforating safety system includes a perforating gun
A perforating safety system. A perforating safety system includes a detonation transfer interrupter with a device which decreases an axial separation between detonation transfer components after installation of the interrupter in the well. Another perforating safety system includes a perforating gun and firing head installed together in the well, and an interrupter having a device which increases a separation between detonation transfer components in the well to thereby prevent transfer of detonation from the firing head to the perforating gun. Yet another perforating safety system includes a firing head positioned at a distal end of a perforating assembly when installed in the well, and an interrupter having a device which decreases a separation between detonation transfer components after installation of the interrupter in the well.
대표청구항
▼
What is claimed is: 1. A perforating safety system for use in a subterranean well, the system comprising: a detonation transfer interrupter including a device which decreases an axial separation between detonation transfer components after installation of the interrupter in the well, and wherein th
What is claimed is: 1. A perforating safety system for use in a subterranean well, the system comprising: a detonation transfer interrupter including a device which decreases an axial separation between detonation transfer components after installation of the interrupter in the well, and wherein the interrupter detaches the firing head from the perforating gun in the well. 2. The system of claim 1, wherein the interrupter is positioned between a perforating gun and a firing head. 3. The system of claim 2, wherein the perforating gun, firing head and interrupter are installed together in the well as portions of a perforating assembly. 4. The system of claim 3, wherein the firing head is positioned at a distal end of the perforating assembly when the perforating assembly is installed in the well. 5. The system of claim 1, wherein the device decreases the axial separation in response to application of a compressive force to the interrupter in the well. 6. The system of claim 1, wherein the device decreases the axial separation in response to at least one of: a telemetry signal, a pressure variation, an electrical signal, a temperature variation, a magnetic variation, application of a biasing force, and application of a predetermined pressure. 7. A perforating safety system for use in a subterranean well, the system comprising: a perforating assembly including a perforating gun, a firing head and a detonation transfer interrupter, the perforating gun and firing head being installed together in the well, and the interrupter including a device which selectively increases a separation between detonation transfer components in the well to thereby prevent transfer of detonation from the firing head to the perforating gun. 8. The system of claim 7, wherein the device is further capable of decreasing the separation between the detonation transfer components in the well. 9. The system of claim 8, wherein the separation between the detonation transfer components is axial separation. 10. The system of claim 7, wherein the interrupter detaches the firing head from the perforating gun in the well. 11. The system of claim 7, wherein the firing head is positioned at a distal end of the perforating assembly when the perforating assembly is installed in the well. 12. The system of claim 7, wherein the device decreases the separation in response to application of a compressive force to the interrupter in the well. 13. The system of claim 7, wherein the device increases the separation in response to at least one of: a telemetry signal, a pressure variation, an electrical signal, a temperature variation, a magnetic variation, application of a biasing force, and application of a predetermined pressure. 14. The system of claim 7, wherein the device decreases the separation in response to at least one of: a telemetry signal, a pressure variation, an electrical signal, a temperature variation, a magnetic variation, application of a biasing force, and application of a predetermined pressure. 15. A perforating safety system for use in a subterranean well, the system comprising: a perforating assembly including a perforating gun, a firing head and a detonation transfer interrupter, the firing head being positioned at a distal end of the perforating assembly when the perforating assembly is installed in the well, and the interrupter including a device which decreases a separation between detonation transfer components after installation of the interrupter in the well, and wherein the device decreases the separation in response to application of weight to the interrupter in the well. 16. The system of claim 15, wherein the interrupter detaches the firing head from the perforating gun in the well. 17. The system of claim 15, wherein the device is capable of increasing the separation in the well.
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