$\require{mediawiki-texvc}$
  • 검색어에 아래의 연산자를 사용하시면 더 정확한 검색결과를 얻을 수 있습니다.
  • 검색연산자
검색연산자 기능 검색시 예
() 우선순위가 가장 높은 연산자 예1) (나노 (기계 | machine))
공백 두 개의 검색어(식)을 모두 포함하고 있는 문서 검색 예1) (나노 기계)
예2) 나노 장영실
| 두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색 예1) (줄기세포 | 면역)
예2) 줄기세포 | 장영실
! NOT 이후에 있는 검색어가 포함된 문서는 제외 예1) (황금 !백금)
예2) !image
* 검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색 예) semi*
"" 따옴표 내의 구문과 완전히 일치하는 문서만 검색 예) "Transform and Quantization"

특허 상세정보

Flow control assembly actuated by pilot pressure

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F15B-013/04    E21B-043/12    E21B-034/10    E21B-037/06    E21B-034/02    E21B-043/16   
출원번호 US-0411943 (2013-10-28)
등록번호 US-9725994 (2017-08-08)
국제출원번호 PCT/US2013/067052 (2013-10-28)
국제공개번호 WO2015/065313 (2015-05-07)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Kilpatrick Townsend & Stockton LLP
인용정보 피인용 횟수 : 0  인용 특허 : 27
초록

A flow control assembly can include a pilot-operated valve and a pilot control valve. The pilot-operated valve includes a closure element between inlet port and outlet ports of the pilot-operated valve and an actuating element adjacent to the closure element. The closure element can move between an open position allowing fluid flow between the inlet and outlet ports and a closed position preventing fluid flow between the inlet and outlet ports. A pilot pressure communicated to the actuating element can cause the actuating element to apply force that move...

대표
청구항

1. A flow control assembly comprising: a pilot-operated valve comprising: a first closure element positioned between a first inlet port and a first outlet port of the pilot-operated valve, the first closure element movable between an open position allowing fluid flow between the first inlet and outlet ports and a closed position preventing fluid flow between the first inlet and outlet ports, andan actuating element adjacent to the first closure element, the actuating element movable in response to communication of a pilot pressure to the actuating elemen...

이 특허에 인용된 특허 (27)

  1. Yapici, Guney Guven. Actuation system for well tools. USP2012078215408.
  2. Peters Clifford M. (Longview TX). Block valve. USP1985074530377.
  3. Leismer Dwayne D. ; Hill ; Jr. Thomas G. ; Morris Arthur J.. Downhole multiplexer and related methods. USP2001066247536.
  4. Knowles Steven M. (Woodburn IN) Pilon Frederick J. (New Haven IN). Dual restrictor flow control. USP1993115265438.
  5. James, Paul G.. Fluid metering device and method for well tool. USP2012048157016.
  6. Gehrke, Sebastian; Weiskirch, Christian; Bauer, Wolfgang; Eilts, Peter; Lämmermann, Reinhard. Gas exchange valve for internal combustion engines. USP2013128613264.
  7. Nan, Xinshuang; Cornell, Sean Olen; Leman, Scott Alan. Hydraulic valve actuation system. USP2005056899068.
  8. Diehl,Udo; Hammer,Uwe; Mischker,Karsten. Hydraulic valve actuator for actuating a gas-exchange valve. USP2006037007642.
  9. Purkis, Daniel G.; Bouldin, Brett W.. Hydraulic well control system. USP2003066575237.
  10. Cove,Harry Richard. Linear hydraulic stepping actuator with fast close capabilities. USP2007077237472.
  11. Hoerger Carl R. (Logan UT) Smith Brian W. (Calgary CAX). Method for transmission of pressure signals through a conduit. USP1982014308884.
  12. Russell Larry R. (6420 Hillcroft Houston TX 77081). Methods and apparatus for controlling fluid flow. USP1981034254836.
  13. Russell Larry R. (6420 Hillcroft Houston TX 77081). Methods and apparatus for controlling fluid flow. USP1980094220176.
  14. Tips, Timothy R.; Bouldin, Brett W.; Rubbo, Richard P.. Multi-line back pressure control system. USP2003126659184.
  15. Leismer Dwayne D.. Pilot-operated pressure-equalizing mechanism for subsurface valve. USP2001106296061.
  16. Etheridge Reggie H. (4514 Brittmore Houston TX 77041). Piloted wellhead flow control valve. USP1988104774980.
  17. Ellett James R. (Edmonton CAX). Pressure responsive pilot control valve. USP1993055213133.
  18. Moyes Peter B. (Durno GBX). Self-piloting check valve. USP1997065636661.
  19. Tips,Timothy R.; Gissler,Robert. Single line control module for well tool actuation. USP2009037503385.
  20. Swihart ; Sr. Patrick S. (3507 Baumann Midland TX 79701). Subsurface flow control apparatus and method. USP1977074036297.
  21. Taylor ; Frank H.. Surface controlled sub-surface safety valve. USP1978104119146.
  22. Adams ; Jr. James B. (Lewisville TX). Surface controlled subsurface safety valve. USP1984024431051.
  23. Powell, Reinhard; Mandrou, Laure. System and method for controlling a downhole actuator. USP2011088006768.
  24. Akkerman Neil H. (New Orleans LA). Valve actuator and pilot assembly therefor. USP1979064157167.
  25. Lou, Zheng. Variable engine valve control system. USP2003036536388.
  26. Lou, Zheng. Variable valve actuator with latches at both ends. USP2010087766302.
  27. Johnston Russell A. (Alvin TX). Well injection valve retrievable choke. USP1993035190106.