[특허]Coring tool

[미국특허] Coring tool 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-010/02 E21B-025/14
출원번호	US-0400132 (1989-08-28)
발명자 / 주소	Young David E. (Seabrook TX) Koskie Jr. Earl T. (Conroe TX) Easton Andrew R. (Oak Ridge North TX)
출원인 / 주소	Diamant Boart-Stratabit (USA) Inc. (Houston TX 02)
인용정보	피인용 횟수 : 37 인용 특허 : 5

초록 ▼

A coring tool comprises a core cutting section and an actuating section disposed thereabove. The core cutting section includes axially telescoping outer and inner barrels. The inner barrel includes a jaw carrier which carries pivotable core-catching jaws normally covered along their radially inner sides by a driver sleeve. When the driver sleeve is raised by the actuator section the jaws are uncovered. Thereafter, the driver sleeve raises the jaw carrier to bring the jaws into contact with a stationary inclined jaw-deflecting surface to force the jaws laterally inwardly through the core. The actuator section relies upon fluid pressure to release for movement a vertically risible member which is mechanically lifted by a drill string to transmit vertical forces to the driver sleeve from a drill string.

대표청구항 ▼

A coring tool adapted to be mounted at a lower end of a drill string for cutting and catching a subterranean core, comprising: outer barrel means including a hollow drill bit disposed at a lower end of said barrel means and adapted to be rotated about a vertical longitudinal axis for cutting a core, and inner barrel means disposed coaxially within said outer barrel means and including jaw carrier means, driver sleeve means disposed coaxially within said jaw carrier means, and jaw closing means disposed laterally between said jaw carrier means and said driver sleeve means, said jaw carrier means mounted for longitudinal displacement relative to said outer barrel means and including a downwardly facing stop surface, and jaw means arranged to be laterally inwardly displaced from a rest position to a core catching position, said jaw closing means disposed above and in a longitudinal path of travel of said jaw means, said jaw carrier means arranged to be upwardly displaceable relative to said jaw closing means in response to upward movement of said jaw carrier means relative to said outer barrel, said driver sleeve extending radially inwardly of, and downwardly past, said jaw means to radially cover said jaw means during a core cutting operation and including an upwardly facing abutment face, said driver sleeve being arranged to be upwardly displaced relative to both said jaw carrier means and said jaw-closing means in response to the application of upward force to said driver sleeve by a drill string to radially uncover said jaw means and bring said abutment face into engagement with said stop surface to displace said jaw carrier means upwardly relatively to said outer barrel such that said jaw means is raised into contact with said jaw closing means and is subjected to a deflecting force therefrom which deflects said jaw means from said rest position to said core-catching position, said jaw-closing means being operably connected to said outer barrel means such that the weight of said outer barrel means is applied downwardly against said jaw means through said jaw-closing means.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

Perkins Lee E. (Houma LA), Apparatus and method for gravel packing a well.
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Radford Steven R. (West Jordan UT), Cammed and shrouded core catcher.
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Knighton Kelly (West Jordan UT) Davis J. Stanley (Sandy UT) Radford Steven R. (West Jordan UT), Hydraulic inner barrel in a drill string coring tool.
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Knighton Kelly (West Jordan UT) Davis J. Stanley (Sandy UT) Radford Steven R. (West Jordan UT), Self activating, positively driven concealed core catcher.
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Soinski Alexander F. (1228 Hermosa St. Grand Junction CO 81501) Soinski Frederick J. (2810 Orchard Ave. Grand Junction CO 81501) Soinski William R. (620 Oxbow Rd. Grand Junction CO 81501), Wireline core barrel.
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이 특허를 인용한 특허 (37) 인용/피인용 타임라인 분석

Castillo, Homero, Apparatus and methods for continuous coring.
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Puymbroeck,Luc Van; Wilson,Bob T.; Stibbe,Holger; Hatloy,Hallvard S., Apparatus and methods for sponge coring.
상세보기
Van Puymbroeck,Luc; Wilson,Bob T.; Stibbe,Holger; Hatloy,Hallvard S., Apparatus and methods for sponge coring.
상세보기
Delmar, Ludovic; Mageren, Olivier Jean-Marc Claude; Fannes, Eric, Core barrel and related drilling apparatus and method.
상세보기
Drenth, Christopher L., Core barrel assemblies with braking devices.
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Drenth, Christopher L., Core barrel assembly with tapered design.
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Drenth, Christopher L., Core barrel head assembly with axial groove.
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Drenth, Christopher L., Core barrel head assembly with tapered design.
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Drenth, Christopher L., Core barrel latch body.
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Drenth, Christopher L., Core barrel latch body with axial grooves.
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Drenth, Christopher L., Core barrel retracting case.
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Drenth, Christopher L., Core barrel sleeve with axial grooves.
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Wells,Michael R.; Puymbroeck,Luc Van; Stibbe,Holger, Core bit having features for controlling flow split.
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Drenth, Christopher L., Core drilling tools with external fluid pathways.
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Drenth, Christopher L., Core drilling tools with external fluid pathways.
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Drenth, Christopher L.; Iondov, George; Ibrahim, George, Core drilling tools with retractably lockable driven latch mechanisms.
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Drenth, Christopher L.; Iondov, George; Ibrahim, George, Core drilling tools with retractably lockable driven latch mechanisms.
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Muntz, Charles Ernest; Drenth, Christopher L.; Iondov, George, Core drilling tools with retractably lockable driven latch mechanisms.
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Fanuel Philippe,BEX, Core sampler.
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Campbell, John; Swadi, Shantanu N.; Dewey, Charles; Utter, Robert; Desai, Praful C., Coring bit to whipstock systems and methods.
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Leitko ; Jr. Curtis E. ; Edmonson Clarence D. ; Clemens Gary W. ; Clifton Terry P., Coring tool.
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Wesemeier, Christoph; Uhlenberg, Thomas; Grieschek, Sabine, Coring tools including core sample flap catcher and related methods.
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Wesemeier, Christoph; Uhlenberg, Thomas; Grieschek, Sabine, Coring tools including core sample flap catcher and related methods.
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Drenth, Christopher L.; Iondov, George; Ibrahim, George, Driven latch mechanism.
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Drenth, Christopher L.; Iondov, George; Ibrahim, George, Driven latch mechanism.
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Drenth, Chris Lloyd, High productivity core drilling system.
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Drenth, Christopher L., High productivity core drilling system.
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Beach,Andrew, Inner core barrel head assembly for core tube within a drill string.
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Kim, Young-Chin; Hong, Sung-Wan; Kim, Hyun-Min, Large diameter sampler for gathering an undisturbed sample.
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Drenth, Christopher L., Latch body.
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Drenth, Christopher L., Latch body.
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Drenth, Christopher L., Latch body.
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Beane Alan F. ; Beane Glenn L., Manufacturing particles and articles having engineered properties.
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Drenth, Christopher L., Methods of braking core barrel assemblies.
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Fletcher Steve D., Soil sampling apparatus.
상세보기
Uhlenberg, Thomas; Brand, Marcel, Sponge liner sleeves for a core barrel assembly, sponge liners and related methods.
상세보기
Iondov, George, Up-hole bushing and core barrel head assembly comprising same.
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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] Coring tool 원문보기