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특허 상세정보

Torque enhanced threaded connection

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E21B-007/08    E21B-017/042    E21B-019/12   
출원번호 US-0808870 (2011-07-07)
등록번호 US-9771761 (2017-09-26)
국제출원번호 PCT/US2011/043238 (2011-07-07)
§371/§102 date 20130107 (20130107)
국제공개번호 WO2012/006455 (2012-01-12)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Conley Rose, P.C.
인용정보 피인용 횟수 : 0  인용 특허 : 17
초록

Apparatus and method for increasing the torque capacity of threaded connections between tubular members. The apparatus may include a first tubular end coupled with a second tubular end, and a torque member wherein the torque member is torqued against the second tubular member and wherein tapered surfaces are engaged between the torque member and the first tubular member at a tapered surface interface.

대표
청구항

1. A tubular connection configured for increased torque capacity, the tubular connection comprising: a first tubular member comprising a first end and an external surface that is tapered such that the outer diameter of the first tubular member decreases along the external tapered surface;a torque member having a central bore including an inner surface that is tapered such that the inner diameter of the central bore decreases along the inner tapered surface, the torque member to be moveably coupled on the first end; anda second tubular member comprising a...

이 특허에 인용된 특허 (17)

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  2. DeLange, Richard W.; Evans, Merle E.; Griffin, Richard C.; Starodub, William W.; Otten, Gregory K.; Anderson, Donna S.. Corrosion seal for threaded connections. USP2004116811189.
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  5. Benoit Lloyd F. (Rte. 1 ; P.O. Box 57B Arnaudville LA 70512). Directional drilling sub. USP1980094220214.
  6. Cobbs ; James H.. Drill pipe joint. USP1978074099745.
  7. Goris Gregg A. (Oxnard CA) Krasnov Igor (Port Hueneme CA). Easy break-out tool joint and method. USP1987044658915.
  8. Friend Alden E. (Valencia CA). Extreme temperature thread sealing method and apparatus. USP1992015083821.
  9. Barrington Burchus Q. (Duncan OK). High-pressure fluid flow connector. USP1989014801160.
  10. Foster Eugene L. ; Lum K. Douglass. Locking joint. USP1998075785357.
  11. Saliger Kenneth C. (DeSoto TX). Pipe joint locking device. USP1985084534585.
  12. Sundholm, G?ran. Pipe joint reducing required tightening force, including a tightening nut with two threaded sections whose pitches differ. USP2005016840550.
  13. Galle, Jr., Edward M.; Galle, Sr., Edward M.. Production riser connector. USP2004066755447.
  14. Otten, Gregory K.; Griffin, Richard C.. Replaceable corrosion seal for threaded connections. USP2005026857668.
  15. Ahlstone Arthur G. (Ventura CA). Rigid connector for large diameter pipe. USP1980064209193.
  16. Dailey Patrick E. (Torrance CA). Threaded connection using variable lead threads. USP1982084346920.
  17. Wood, Kenneth M.. Threaded tubing seals. USP1987024643467.