[특허]Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods

Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-021/015
출원번호	US-0650288 (2012-10-12)
등록번호	US-8474551 (2013-07-02)
발명자 / 주소	Vandersnick, Greg Landry, Brian Vanpelt, Robb
출원인 / 주소	NEP IP, LLC
대리인 / 주소	Wells St. John, P.S.
인용정보	피인용 횟수 : 0 인용 특허 : 40

초록 ▼

Disclosed are hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods. In one embodiment, a hydrocarbon recovery drill string apparatus includes an elongated assembly within which a rotatable drill rod is received. The assembly comprises a longitudinal axis, a drill rod entrance end, and a drill rod exit end. The assembly comprises a tailcuttings diverter pipe proximate the drill rod exit end, with the tailcuttings diverter pipe defining an initial fluid flow path of the tailcuttings from the longitudinal axis which is acute from the longitudinal axis. Other apparatus and method aspects are contemplated.

대표청구항 ▼

1. A hydrocarbon recovery drill string apparatus, comprising: an elongated assembly within which a rotatable drill rod is received; andthe assembly comprising a non-rotating brush construction received about the drill rod, the brush construction having a plurality of brush bristles extending radially inward in contact with the rotatable drill rod, the brush bristles comprising a plurality of rings of brush bristles spaced from one another along a longitudinal axis, a spacer ring received between adjacent pairs of the spaced brush bristle rings. 2. The apparatus of claim 1 wherein the plurality of rings number at least five. 3. The apparatus of claim 1 wherein the brush construction comprises: a brush housing which encircles the drill rod; andthe rings being removably received by the brush housing. 4. The apparatus of claim 3 wherein the rings are slidably received by the brush housing for insertion and removal along the longitudinal axis. 5. The apparatus of claim 4 wherein there are at least five ring members. 6. A hydrocarbon recovery drill string apparatus, comprising: an elongated assembly within which a rotatable drill rod is received, the assembly comprising a longitudinal axis; andthe assembly comprising a non-rotating brush construction received about the drill rod, the brush construction having a plurality of brush bristles extending radially inward in contact with the rotatable drill rod, the brush construction comprising: a brush housing which encircles the drill rod; andat least five ring members to which the brush bristles connect and from which the brush bristles extend radial inward to the rotatable drill rod, the at least five ring members being removably received by the brush housing, the at least five ring members being slidably received by the brush housing for insertion and removal along the longitudinal axis, a spacer ring received between adjacent pairs of the ring members to space brush bristles extending from adjacent ring members from one another. 7. A hydrocarbon recovery drill string apparatus, comprising: an elongated assembly within which a rotatable drill rod is received; andthe assembly comprising a non-rotating brush construction received about the drill rod, the brush construction having a plurality of brush bristles extending radially inward in contact with the rotatable drill rod, the assembly comprising a non-metallic drill rod retainer portion encircling the drill rod adjacent the brush bristles to limit radial drill rod movement adjacent the brush bristles. 8. The apparatus of claim 7 wherein the non-metallic drill rod retainer portion is received within six inches along the longitudinal axis of where at least some of the brush bristles contact the rotatable drill rod. 9. The apparatus of claim 8 wherein the non-metallic drill rod retainer portion is received within two inches along the longitudinal axis of where at least some of the brush bristles contact the rotatable drill rod. 10. The apparatus of claim 7 comprising an elastomeric seal between the drill rod retainer portion and the brush construction. 11. A subterranean hydrocarbon recovery drilling method, comprising: within a subterranean room, drilling into a hydrocarbon deposit at an initial angle which is from horizontal to upward vertical using an elongated assembly within which a rotating drill rod is received;flowing tailcuttings from the drilling within the assembly rearwardly along the rotating drill rod; andcontacting the rotating drill rod with brush bristles which encircle the rotating drill rod to block at least some of the rearwardly flowing tailcuttings from flowing rearwardly of the brush bristles along the rotating drill rod. 12. The method of claim 11 wherein the contacting comprises limiting radial drill rod movement adjacent the brush bristles with a non-metallic drill rod retainer portion encircling the drill rod adjacent the brush bristles. 13. The method of claim 11 wherein the contacting comprises limiting radial drill rod movement adjacent the brush bristles with a non-metallic drill rod retainer portion encircling the drill rod adjacent the brush bristles downstream relative to tailcuttings flow of the brush bristles. 14. A subterranean hydrocarbon recovery method, comprising: within a subterranean room, drilling into a hydrocarbon deposit at an initial angle which is from horizontal to upward vertical using an elongated assembly within which a rotating drill rod is received; the drilling forming a well bore that extends into the hydrocarbon deposit from the subterranean room;flowing tailcuttings from the drilling within the assembly rearwardly along the rotating drill rod;contacting the rotating drill rod with brush bristles which encircle the rotating drill rod to block at least some of the rearwardly flowing tailcuttings from flowing rearwardly of the brush bristles along the rotating drill rod; andafter the drilling, removing the drill rod from the well bore and flowing hydrocarbon from the deposit into the subterranean room. 15. A hydrocarbon recovery drill string apparatus, comprising: an elongated assembly within which a rotatable drill rod is received;the assembly comprising a non-rotating brush construction received about the drill rod, the brush construction having a plurality of brush bristles extending radially inward in contact with the rotatable drill rod; andthe assembly comprising an elastomeric seal received about the drill rod in contact with the brush construction. 16. The apparatus of claim 15 wherein the elastomeric seal has a maximum diameter which is greater than that of the brush bristles. 17. The apparatus of claim 15 wherein the brush construction comprises a housing which encircles the drill rod, the housing comprising part of a hammer union. 18. The apparatus of claim 17 wherein the elastomeric seal contacts the housing and is received within the hammer union. 19. The apparatus of claim 18 comprising a non-metallic drill rod retainer portion encircling the drill rod within the hammer union adjacent the brush bristles to limit radial drill rod movement adjacent the brush bristles, the elastomeric seal being longitudinally between the brush construction and the non-metallic drill rod retainer portion. 20. The apparatus of claim 19 wherein the elastomeric seal has a maximum diameter which is greater than that of the brush bristles. 21. The apparatus of claim 19 wherein the elastomeric seal has a maximum diameter which is greater than that of the non-metallic drill rod retainer portion. 22. The apparatus of claim 21 wherein the elastomeric seal has a maximum diameter which is greater than that of the brush bristles.

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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

내보내기 구분	파일저장 인쇄 메일전송
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안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods 원문보기

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Hydrocarbon recovery drill string apparatus, subterranean hydrocarbon recovery drilling methods, and subterranean hydrocarbon recovery methods 원문보기

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