[특허]Wire line core drilling apparatus

[미국특허] Wire line core drilling apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E21B-025/02
출원번호	US-0483024 (1990-02-22)
우선권정보	ZA-0001364 (1989-02-22)
발명자 / 주소	Williams David Stanley (Krugersdorp ZAX)
출원인 / 주소	Boart International Limited (ZAX 03)
인용정보	피인용 횟수 : 47 인용 특허 : 4

초록 ▼

A wire line core barrel inner tube assembly has a latch body with a miximum diameter portion providing a shoulder seatable on a drill string landing ring and a fluid bypass channel extending through the maximum diameter portion and a valving assembly. The valving assembly includes a resilient valve seat in the bypass channel and a ball seatable on the valve seat to block fluid flow in a downward direction through the channel, movable upwardly off the valve seat from the seated position to permit fluid flow through the seat in the opposite direction and movable through the seat to a channel open condition after a preselected fluid pressure has been exerted on the ball in a direction to move the ball from the ball seated position and through the valve seat.

대표청구항 ▼

A core barrel inner tube assembly for a wire line core drilling apparatus, comprising: a body having a valve chamber; seating means comprising a landing shoulder on the body for seating upon a landing ring carried by a core barrel outer tube of the wire line core drilling apparatus when the core barrel inner tube assembly is correctly landed in the core barrel outer tube; an inlet port and an outlet port leading from an exterior portion of the body to the valve chamber on opposite sides of the landing shoulder so as to establish a bypass passage which bypasses the landing shoulder and through which drilling liquid is forced to flow when the landing shoulder is correctly seated upon the landing ring; a deformable, annular valve seat disposed within the bypass passage; valve closing means made of harder material than the valve seat for seating on the valve seat to prevent drilling liquid from flowing through the bypass passage until pressure of the drilling liquid is sufficient to force the valve closing means through the valve seat; and pressure monitoring and recording means for monitoring an increase in the pressure of the drilling liquid and for recording a pulse in the pressure indicating that correct landing has taken place; wherein said valve seat comprises a central region having a diameter less than that of the valve closing means, and tapered end regions which facilitate forcing of the valve closing means through the valve seat from either end.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Corteville Jacques (Rueil Malmaison FRX) Pauc Andr (Villennes sur Seine FRX) Hoffmann Frdric (Courbevoie FRX), Device for positioning a tool or instrument in a duct.
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Hallez Charles Pierre (Tellin BEX), Device to control the locking of a boring corer.
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Thompson Terrence L. (Minneapolis MN), Fast descent core barrel apparatus.
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Runk Terry M. (Stillwater MN), Knuckle joint spearhead core drilling apparatus.
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이 특허를 인용한 특허 (47) 인용/피인용 타임라인 분석

Fidtje Torbjorn H.,NOX, Blowout preventer.
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Drenth, Christopher L., Braking devices for use in drilling operations.
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Pavcnik, Dusan; Tekulve, Kurt J.; Deckard, Michael, Closure device.
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Pavcnik, Dusan; Tekulve, Kurt J.; Deckard, Michael D., Closure device.
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Pavcnik, Dusan; Tekulve, Kurt J., Closure device and method of closing a bodily opening.
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Marshall John C,CAX, Core barrel apparatus.
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Drenth, Christopher L., Core barrel assemblies with braking devices.
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Jolicoeur, Martin; Carriere, Jacques, Core barrel assembly including a valve.
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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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Able, Robert E.; Oothoudt, Thomas J., Core barrel sonic latch mechanism and methods of sonic drilling using the same.
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Soinski Frederick J. ; Raymond Donald, Core drilling latch assembly.
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Soinski Frederick J. ; Raymond Donald, Core drilling latch assembly.
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Soinski Frederick J. ; Raymond Donald, Core drilling latch assembly.
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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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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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Attiwell, Paul, Head assembly and a valve system for use in a core drilling system.
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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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Mazar, Scott T.; Bly, Mark J., Injectable physiological monitoring system.
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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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Van Puymbroeck Luc ; Harrell John W. ; Johnson Michael H. ; Collee Pierre E., Method and apparatus for simultaneous coring and formation evaluation.
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Drenth, Christopher L., Methods of braking core barrel assemblies.
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Theobald, Elizabeth; Randolph, James R.; Pavcnik, Dusan; Keller, Frederick; Shirley, Brad; Chambers, Sean; Paul, Ram; Thurman, Rodney; Deckard, Michael, Multi-stage occlusion devices.
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Able Robert E., Positive latch core barrel apparatus.
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Laporte Irvin J. (North Bay CAX) Watkins Amos J. (North Bay CAX), Propulsion seal for wire line core drilling apparatus.
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Novacovicci Radoie,CAX ; Morin Daniel H.,CAX, Retractable core barrel valving apparatus.
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Able, Robert E.; Oothoudt, Thomas J., Sonic latch mechanism.
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Drenth, Christopher L; Ibrahim, George; Tillack, Sacha, Spearhead.
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Drenth, Christopher L; Ibrahim, George; Tillack, Sacha, Spearhead.
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Drenth, Christopher L; Ibrahim, George; Tillack, Sacha, Spearhead base.
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Drenth, Christopher L; Ibrahim, George; Tillack, Sacha, Spearhead base.
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Iondov, George, Up-hole bushing and core barrel head assembly comprising same.
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Telfer, George; Scott, Edward Docherty, Valve seat.
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Telfer, George, Valve seat assembly, downhole tool and methods.
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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] Wire line core drilling apparatus 원문보기