[특허]Downhole cleaning tool with shear clutch

[미국특허] Downhole cleaning tool with shear clutch 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-037/02
출원번호	US-0768536 (2001-01-24)
우선권정보	GB-20000002995 (2000-02-10)
발명자 / 주소	Howlett, Paul David
출원인 / 주소	SPS-AFOS Group Limited
대리인 / 주소	Browning, Clifford W.Woodard, Emhardt, Naughton Moriarity & McNett LLP
인용정보	피인용 횟수 : 16 인용 특허 : 5

초록 ▼

A cleaning tool (1) for cleaning casing within a wellbore is comprised of an upper (3) and lower (4) sleeve which are mounted via ball bearings (5) on a work string (2). The ball bearings enable the upper (3) and lower (4) sleeves to have no or negligible rotational movement notwithstanding rotation of the work string (2). The upper (3) and lower (4) sleeve limit the axial movement of the cleaning tool (1) along the work string (2). The cleaning tool (1) is further comprised of at least one lantern (6) which supports the plurality of cleaning member (7) which may be brushes or scraping blades.

대표청구항 ▼

1. A cleaning tool for mounting on a work string, the cleaning tool being comprised of an upper and lower sleeve and a floating component located between the sleeves, wherein the floating component is free to move in a radial direction relative to the work string within predetermined limits set by the upper and lower sleeve, and wherein the floating component is mechanically linked to the work string by a rupture means, wherein the rupture means is adapted to rupture if the torque or resistance to rotational movement of the floating component exceeds a predetermined load, and wherein upon breaking of the rupture means the floating component will be allowed to have no or negligible rotational movement. 2. A cleaning tool as claimed in claim 1 wherein the rupture means is a shear pin. 3. A cleaning tool as claimed in claim 1 wherein at least one of the upper and lower sleeve comprises a clutch which engages with the floating component. 4. A cleaning tool as claimed in claim 3 wherein the clutch is held to the work string by the rupture means. 5. A cleaning tool as claimed in claim 1 wherein the upper and lower sleeve have female receiving means for receiving the floating component. 6. A cleaning tool as claimed in claim 5 wherein the female receiving means has a greater external diameter than the floating component. 7. A cleaning tool as claimed in claim 1 wherein the floating component can move axially relative to the work string between a first position whereat it engages the clutch and a second position where it does not so engage the clutch. 8. A cleaning tool as claimed in claim 1 wherein the upper and lower sleeve are mounted by ball bearings that allow for the work string to rotate relative to the upper and lower sleeve. 9. A cleaning tool as claimed in claim 1 wherein the upper and lower sleeve act as stabilisers for the work string within a wellbore. 10. A cleaning tool as claimed in claim 1 wherein the floating component supports a plurality of cleaning members. 11. A cleaning tool as claimed in claim 10 wherein the cleaning members are brushes. 12. A cleaning tool as claimed in claim 10 wherein the cleaning members are scraper blades. 13. A cleaning tool as claimed in claim 1 wherein the floating component is a lantern. 14. A cleaning tool as claimed in claim 1 wherein the floating component is provided with elongate slots which afford flexibility to the floating component.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

Billy L. Brown, Apparatus and method for cleaning a tubular member with a brush.
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Carmichael Mark,GBX ; Howlett Paul,GBX, Down-hole tool with centralising component.
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Webb Derrel D. (P.O. Box 567 Houston TX 77001) Anderson Edwin A. (P.O. Box 567 Houston TX 77001), Pressure equalized stabilizer apparatus for drill string.
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Collins Kenneth L. (Berwick LA), Shear sub for drill string.
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Armell Richard Alvin,GB6 ; Pia Giancarlo Tomasso Pietro,GB6, Tool for cleaning or conditioning tubular structures such as well casings.
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이 특허를 인용한 특허 (16) 인용/피인용 타임라인 분석

Tulloch,Rory; McGarian,Bruce, Casing brush assembly.
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Osaland, Espen, Cleaning tool device.
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Howlett,Paul David; Telfer,George, Combined milling and scraping tool.
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Knobloch, Jr., Benton T.; Tilley, David J.; Roy, Todd J., Differential pressure wellbore tool and related methods of use.
상세보기
Knobloch, Benton T.; Roy, Todd J.; Musemeche, Clint M., Downhole scraping and/or brushing tool and related methods.
상세보기
Telfer, George, Drilling assembly.
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Blackburn, Courtney; Schonning, Peter; Stahre, Henrik, Gun barrel cleaning tool and method for cleaning a gun barrel.
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Knobloch, Benton; Roy, Todd; Callegari, Sr., Stephen R., Multi-purpose well servicing apparatus.
상세보기
Knobloch, Jr., Benton T.; Roy, Todd J.; Tilley, David J., Resettable downhole torque limiter and related methods of use.
상세보기
Knobloch, Jr., Benton T.; Roy, Todd J.; Tilley, David J., Resettable downhole torque limiter and related methods of use.
상세보기
Crowley, Daniel Brendan; Walker, Colin, Torque control device for a downhole drilling assembly.
상세보기
Crowley, Daniel Brendan; Walker, Colin, Torque control device for a downhole drilling assembly.
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DeCuir, Sr., Perry Joseph, Up-down vibratory drilling and jarring tool.
상세보기
Hern, Gregory L.; Posevina, Lisa L.; Connell, Paul L., Wellbore cleaning devices.
상세보기
Knobloch, Jr., Benton T.; Tilley, David J.; Roy, Todd J., Wellbore filter screen and related methods of use.
상세보기
Knobloch, Jr., Benton T.; Tilley, David J.; Roy, Todd J., Wellbore knock-out chamber and related methods of use.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Downhole cleaning tool with shear clutch 원문보기