Stripper rubber with integral retracting retention member connection apparatus
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-019/00
출원번호
UP-0975201
(2007-10-18)
등록번호
US-7669649
(2010-04-21)
발명자
/ 주소
Williams, John R.
Williams, legal representative, Theresa J.
대리인 / 주소
Simmons, David O.
인용정보
피인용 횟수 :
26인용 특허 :
8
초록▼
A stripper rubber insert comprises a central bore and a plurality of retention member bores substantially perpendicular to the central bore. The retention member bores are angularly spaced apart around a perimeter of the stripper rubber insert. Each one of the retention member bores extends through
A stripper rubber insert comprises a central bore and a plurality of retention member bores substantially perpendicular to the central bore. The retention member bores are angularly spaced apart around a perimeter of the stripper rubber insert. Each one of the retention member bores extends through an exterior insert edge face and an interior insert edge face. Each one of the retention member bores includes a respective retention member securing structure therein.
대표청구항▼
What is claimed is: 1. An apparatus, comprising: a stripper rubber including a stripper rubber insert having a central bore and a plurality of retention member bores substantially perpendicular to the central bore, wherein said retention member bores are angularly spaced apart around a perimeter of
What is claimed is: 1. An apparatus, comprising: a stripper rubber including a stripper rubber insert having a central bore and a plurality of retention member bores substantially perpendicular to the central bore, wherein said retention member bores are angularly spaced apart around a perimeter of the stripper rubber insert, wherein each one of said retention member bores extends through an exterior insert edge face and an interior insert edge face, wherein each one of said retention member bores includes a respective retention member securing structure therein, wherein the stripper rubber insert includes a shoulder within the central bore configured for engaging a bearing assembly inner barrel to limit an insertion depth of the bearing assembly inner barrel within the central bore, and wherein the stripper rubber insert includes an interlock feature; a bearing assembly inner barrel having a first end portion thereof disposed within the central bore of said stripper rubber insert, wherein the bearing assembly inner barrel includes a plurality of retention member engaging structures accessible through an exterior barrel face adjacent the first end portion thereof, wherein each one of said retention member engaging structures is aligned with a respective one of said retention member bores, and wherein the bearing assembly inner barrel includes an interlock feature configured for being engaged by the interlock feature of the stripper rubber insert; and a plurality of retention members each retractably engaged with the retention member securing structure of a respective one of said retention member bores, wherein each one of said retention members is engaged with a respective one of said retention member engaging structures for precluding relative rotation and axial displacement of the stripper rubber insert with respect to the bearing assembly inner barrel and wherein being retractably engaged includes each one of said retention members being selectively translatable along a longitudinal axis of the respective one of said retention member bores thereby allowing each one of said retention members to be selectively engaged with and disengaged from the respective one of said retention member engaging structures; wherein said interlock features are jointly configured for limiting relative rotation between the stripper rubber insert and the bearing assembly inner barrel without inhibiting separation of the stripper rubber insert from the bearing assembly when said interlock features are engaged with each other wherein said interlock features are jointly configured for substantially limiting relative rotation between the stripper rubber insert and the bearing assembly inner barrel about an axis of rotation of the bearing assembly inner barrel in both clockwise and counterclockwise directions when said interlock features are engaged; wherein the bearing assembly inner barrel, the stripper rubber insert and said retention members are jointly configured such that separation of the stripper rubber insert from the bearing assembly inner barrel requires no relative rotation of the stripper rubber with respect to the bearing assembly inner barrel; wherein said retention members exclusively inhibit longitudinal displacement of the stripper rubber insert relative to the bearing assembly inner barrel in a direction corresponding to separation of said separation of the stripper rubber insert from the bearing assembly inner barrel. 2. The apparatus of claim 1, further comprising: a seal disposed within a seal receiving structure of at least one of the stripper rubber insert and the bearing assembly inner bore, wherein the seal provides a sealed interface between the stripper rubber insert and the bearing assembly inner barrel. 3. The apparatus of claim 2 wherein: the seal receiving structure includes a seal receiving groove carried by the stripper rubber insert and extending around the interior insert edge face. 4. The apparatus of claim 3 wherein the seal receiving groove is positioned between the shoulder and said retention member bores. 5. The apparatus of claim 1, further comprising: a seal disposed within a seal receiving structure of the stripper rubber insert and a seal disposed within a seal receiving structure of the bearing assembly inner barrel, wherein said seals each provide a sealed interface between the stripper rubber insert and the bearing assembly inner barrel, the seal receiving structure of the stripper rubber insert is within the interior insert edge face, the seal receiving structure of the stripper rubber insert is positioned between the shoulder and said retention member bores, the seal receiving structure of the bearing assembly inner barrel is within the exterior barrel side face, and said retention member engaging structures of the bearing assembly inner barrel are positioned between the seal receiving groove thereof and an end face thereof that engages the shoulder. 6. A system for allowing a stripper rubber to be disconnectably connected to drilling head equipment, the system comprising: a stripper rubber insert including a central bore and a plurality of retention member bores substantially perpendicular to the central bore, wherein said retention member bores are angularly spaced apart around a perimeter of the stripper rubber insert, wherein each one of said retention member bores extends through an exterior insert edge face and an interior insert edge face, wherein each one of said retention member bores includes a respective retention member securing structure therein, wherein the stripper rubber insert includes a shoulder within the central bore configured for engaging a bearing assembly inner barrel to limit an insertion depth of the bearing assembly inner barrel within the central bore, and wherein the stripper rubber insert includes an interlock feature; a bearing assembly inner barrel having a first end portion thereof configured for being received within the central bore of said stripper rubber insert, wherein the bearing assembly inner barrel includes a plurality of retention member engaging structures accessible through an exterior barrel side face adjacent the first end portion thereof and wherein said retention member engaging structures are spaced apart around a perimeter of the bearing assembly inner barrel in a manner allowing each one of said retention member engaging structures to be aligned with a respective one of said retention member bores, and wherein the bearing assembly inner barrel includes an interlock feature configured for being engaged by the interlock feature of the stripper rubber insert; and a plurality of retention members, wherein each one of said retention members is retractably engagable with the retention member securing structure of a respective one of said retention member bores, wherein being retractably engaged includes each one of said retention members being selectively translatable along a longitudinal axis of the respective one of said retention member bores thereby allowing each one of said retention members to be selectively engaged with and disengaged from the respective one of said retention member engaging structures; wherein said interlock features are jointly configured for limiting relative rotation between the stripper rubber insert and the bearing assembly inner barrel without inhibiting separation of the stripper rubber insert from the bearing assembly when said interlock features are engaged with each other wherein said interlock features are jointly configured for substantially limit relative rotation between the stripper rubber insert and the bearing assembly inner barrel about an axis of rotation of the bearing assembly inner barrel in both clockwise and counterclockwise directions when said interlock features are engaged; wherein the bearing assembly inner barrel, the stripper rubber insert and said retention members are jointly configured such that separation of the stripper rubber insert from the bearing assembly inner barrel requires no relative rotation of the stripper rubber with respect to the bearing assembly inner barrel; wherein said retention members exclusively inhibit longitudinal displacement of the stripper rubber insert relative to the bearing assembly inner barrel in a direction corresponding to separation of said separation of the stripper rubber insert from the bearing assembly inner barrel. 7. The system of claim 6 wherein: the stripper rubber insert further includes a seal receiving structure within the interior insert edge face; the seal receiving structure of the stripper rubber insert is positioned between the shoulder and said retention member bores; the bearing assembly inner barrel includes a seal receiving structure within the exterior barrel side face; and said retention member engaging structures of the bearing assembly inner barrel are positioned between the seal receiving structure thereof and an end face thereof that engages the shoulder. 8. The system of claim 7 wherein the seal receiving structure is positioned between the shoulder and said retention member bores. 9. The system of claim 8 wherein the seal receiving structure is a seal receiving groove extending around the interior insert edge face. 10. The system of claim 6 wherein the stripper rubber insert and the bearing assembly inner barrel each include means for carrying a sealing device for providing a sealed interface therebetween. 11. The system of claim 10 wherein: said means for carrying the sealing device is a seal receiving groove; the seal receiving groove of the stripper rubber insert is within the interior insert edge face; the seal receiving groove of the stripper rubber insert is positioned between the shoulder and said retention member bores; the seal receiving groove of the bearing assembly inner barrel is within the exterior barrel side face; and said retention member engaging structures of the bearing assembly inner barrel are positioned between the seal receiving groove thereof and an end face thereof that engages the shoulder. 12. The system of claim 11 wherein: the retention member securing structure of each one of said retention member bores includes threads; and each one of said retention members includes a threaded portion configured for engaging said threads of a respective one of said retention member bores. 13. The system of claim 12 wherein: opposing sided faces of said interlock features extend substantially parallel with thee axis if rotation of the bearing assembly inner barrel. 14. A stripper rubber insert, comprising: a central bore; a plurality of retention member bores substantially perpendicular to the central bore; a shoulder within the central bore configured for engaging a bearing assembly inner barrel to limit an insertion depth of the bearing assembly inner barrel within the central bore; and an interlock feature integral with the shoulder and configured for engaging a mating interlock feature of the bearing assembly inner barrel for limiting relative rotation between the stripper rubber insert and the bearing assembly inner barrel without inhibiting separation of the stripper rubber insert from the bearing assembly, wherein the interlock feature of the stripper rubber insert extended one of into the shoulder and from the shoulder, wherein the interlock feature of the stripper rubber insert is configured for substantially limit relative rotation between the stripper rubber insert and the bearing assembly inner barrel about an axis of rotation of the bearing assembly inner barrel in both clockwise and counterclockwise directions when engaged with the mating interlock feature of the bearing assembly inner barrel; wherein said retention member bores are angularly spaced apart around a perimeter of the stripper rubber insert; wherein the interlock feature is configured for engaging a mating interlock feature of the of the bearing assembly inner barrel for limiting only relative rotation between the stripper rubber insert and the bearing assembly inner barrel; wherein each one of said retention member bores extends through an exterior insert edge face and an interior insert edge face; wherein each one of said retention member bores includes a respective retention member securing structure therein; and wherein the respective retention member securing structure of each one of said retention member bores is configured such that rotation in a first rotational direction of a retention member engaged therewith causes translation of the retention member in a direction toward the central bore and such that rotation in a second rotational direction of the retention member engaged therewith causes translation of the retention member in a direction away from the central bore. 15. The stripper rubber insert of claim 14 wherein the interlock feature of the stripper rubber insert extends between the shoulder and a side wall defining the central bore. 16. The stripper rubber insert of claim 14, further comprising: a seal receiving structure within the interior insert edge face. 17. The stripper rubber insert of claim 16 wherein the seal receiving structure is positioned between the shoulder and said retention member bores. 18. The stripper rubber insert of claim 17 wherein the seal receiving structure is a seal receiving groove extending around the interior insert edge face. 19. The stripper rubber insert of claim 14 wherein the retention member securing structure of each one of said retention member bores includes threads.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (8)
Bloch Joseph T. (Seattle WA), Clamping device utilizing a shape memory alloy.
Nas, Stephanus Wilhelmus Maria; Anderson, Jr., Waybourn “Bo” J.; Gray, Kevin L.; Bailey, Thomas F., Acoustically controlled subsea latching and sealing system and method for an oilfield device.
Sokol, Jonathan P.; Wagoner, Danny W.; Bailey, Thomas F.; Rios, III, Aristeo; Chambers, James W.; Hannegan, Don M., Interlocking low profile rotating control device.
Hannegan, Don M.; Bailey, Thomas F.; Jacobs, Melvin T.; White, Nicky A.; Hoyer, Carel W., Rotating control system and method for providing a differential pressure.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.