Safety valve with provisions for powering an insert safety valve
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-034/06
F16K-031/02
출원번호
US-0196565
(2011-08-02)
등록번호
US-8490687
(2013-07-23)
발명자
/ 주소
Scott, Bruce E.
Goiffon, John J.
출원인 / 주소
Halliburton Energy Services, Inc.
대리인 / 주소
Smith IP Services, P.C.
인용정보
피인용 횟수 :
2인용 특허 :
53
초록▼
A method of operating a valve can include installing an electrical actuator in a flow passage extending longitudinally through the valve, and operating a closure assembly in response to electrical power being supplied to the electrical actuator. An outer safety valve can include a closure assembly w
A method of operating a valve can include installing an electrical actuator in a flow passage extending longitudinally through the valve, and operating a closure assembly in response to electrical power being supplied to the electrical actuator. An outer safety valve can include a closure assembly which selectively permits and prevents flow through a longitudinal flow passage, and at least one electrical connector which electrically connects to an insert safety valve positioned in the flow passage. A method of operating an outer safety valve in a subterranean well can include installing an insert safety valve in the safety valve, and operating the insert safety valve with electrical current flowing from the safety valve to the insert safety valve.
대표청구항▼
1. A method of operating a valve positioned in a subterranean well, the method comprising: installing a first electrical actuator in a flow passage extending longitudinally through the valve in the well; andoperating a closure assembly in response to electrical power being supplied to the first elec
1. A method of operating a valve positioned in a subterranean well, the method comprising: installing a first electrical actuator in a flow passage extending longitudinally through the valve in the well; andoperating a closure assembly in response to electrical power being supplied to the first electrical actuator via at least one direct electrical connection between the first electrical actuator and the valve. 2. The method of claim 1, wherein installing further comprises making electrical contact between a first electrical connector of the first electrical actuator and a second electrical connector of the valve. 3. The method of claim 2, wherein operating further comprises supplying the electrical power to the second electrical connector after the first and second electrical connectors make electrical contact. 4. The method of claim 1, wherein installing further comprises exposing at least one electrical connector. 5. The method of claim 4, wherein exposing comprises displacing a shield. 6. The method of claim 4, wherein exposing comprises breaking a frangible shield. 7. The method of claim 4, wherein exposing is performed in response to installation of the first electrical actuator in the flow passage. 8. The method of claim 1, wherein the valve comprises a second electrical actuator. 9. The method of claim 8, further comprising disconnecting the second electrical actuator from the electrical power in response to the installing step. 10. The method of claim 1, wherein installing further comprises rotationally aligning multiple electrical connectors. 11. The method of claim 1, wherein operating the closure assembly further comprises operating the closure assembly from a closed configuration to an open configuration in response to the electrical power being supplied to the first electrical actuator. 12. The method of claim 1, wherein operating the closure assembly further comprises supplying the electrical power to multiple electrical actuators. 13. The method of claim 1, wherein the further comprising positioning the valve and the closure assembly in the well. 14. The method of claim 1, wherein the closure assembly is positioned in the well during the installing step. 15. An outer safety valve, comprising: a first electrical connector; anda closure assembly which selectively permits and prevents flow through a longitudinal flow passage, the longitudinal flow passage being configured to receive an insert safety valve having a second electrical connector, wherein the first electrical connector makes direct electrical contact with the second electrical connector when the insert safety valve is positioned in the longitudinal flow passage. 16. The outer safety valve of claim 15, wherein electrical current flow between the first and second electrical connectors causes the insert safety valve to operate. 17. The outer safety valve of claim 15, wherein electrical current flow between the first and second electrical connectors causes the insert safety valve to open. 18. The outer safety valve of claim 15, wherein electrical current flow between the first and second electrical connectors causes multiple electrical actuators of the insert safety valve to operate. 19. The outer safety valve of claim 15, further comprising a shield which isolates the first electrical connector from the insert safety valve, and wherein the first electrical connector is exposed to the insert safety valve in response to installation of the insert safety valve in the flow passage. 20. The outer safety valve of claim 19, wherein the shield is displaced when the insert safety valve is installed. 21. The outer safety valve of claim 15, wherein electrical power is delivered to the insert safety valve in response to installation of the insert safety valve in the flow passage. 22. The outer safety valve of claim 15, further comprising an alignment profile which rotationally aligns the second electrical connector with the first electrical connector. 23. The outer safety valve of claim 15, further comprising an electrical actuator which operates the closure assembly. 24. The outer safety valve of claim 23, wherein electrical power is disconnected from the electrical actuator in response to installation of the insert safety valve in the flow passage. 25. The outer safety valve of claim 24, wherein the electrical power is connected to the insert safety valve in response to installation of the insert safety valve in the flow passage. 26. A method of operating an outer safety valve in a subterranean well, the method comprising: installing an insert safety valve in the outer safety valve; andoperating the insert safety valve with electrical current flowing from the outer safety valve to the insert safety valve. 27. The method of claim 26, wherein installing further comprises making electrical contact between the outer safety valve and the insert safety valve. 28. The method of claim 27, wherein making electrical contact comprises connecting electrical connectors of the outer safety valve and the insert safety valve. 29. The method of claim 27, wherein making electrical contact further comprises exposing at least one of the electrical connectors. 30. The method of claim 29, wherein exposing comprises displacing a shield. 31. The method of claim 29, wherein exposing comprises breaking a frangible shield. 32. The method of claim 29, wherein exposing is performed in response to installation of the insert safety valve in a flow passage which extends longitudinally through the outer safety valve. 33. The method of claim 26, wherein the outer safety valve comprises an electrical actuator which operates a closure assembly. 34. The method of claim 33, further comprising disconnecting the electrical actuator from electrical power in response to installing the insert safety valve in the outer safety valve. 35. The method of claim 26, wherein installing further comprises rotationally aligning an electrical connector of the insert safety valve with an electrical connector of the outer safety valve. 36. The method of claim 26, wherein operating the insert safety valve further comprises operating the insert safety valve from a closed configuration to an open configuration in response to the electrical current flowing from the outer safety valve to the insert safety valve. 37. The method of claim 26, wherein operating the insert safety valve further comprises operating multiple electrical actuators of the insert safety valve.
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