[특허]Transfer apparatus adapted for transferring an explosive train through an externally pressurized secondary explosive bul

[미국특허] Transfer apparatus adapted for transferring an explosive train through an externally pressurized secondary explosive bul 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C06C-005/06
출원번호	US-0725369 (1991-06-27)
발명자 / 주소	Brooks James E. (Manvel TX) Markel Daniel C. (Houston TX)
출원인 / 주소	Schlumberger Technology Corporation (Houston TX 02)
인용정보	피인용 횟수 : 21 인용 특허 : 0

초록 ▼

A transfer unit is sealingly connected to a pressure tight housing. The pressure tight housing includes a detonator and electronics circuits connected to the detonator, the pressure tight housing being adapted to be disposed in a well apparatus situated in a wellbore. The wellbore contains fluids at high temperature and pressure, and the pressure tight housing protects the detonator and electronics from the severe temperature and pressure of the wellbore fluids. The transfer unit receives, on one end, the detonator and, on the other end, a separate detonating cord which is adapted to be connected to another separate explosive device and includes a pressure proof housing and a matrix of secondary explosive disposed in a compressed condition within the pressure proof housing between the detonator and the detonating cord, the matrix of secondary explosive functioning like a transversely disposed bulkhead or barrier for protecting the detonator and associated electronics from the severe temperature and pressure of the wellbore fluids which exists adjacent the detonating cord. Although the secondary explosive bulkhead is compressed within the pressure proof housing, the detonating cord may penetrate the secondary explosive bulkhead in response to the high pressure of the external wellbore fluids. Therefore, in order to prevent this penetration, the pressure proof housing includes a neck down portion disposed peripherally around the secondary explosive bulkhead in order to further compress the secondary explosive and to prevent the detonating cord from penetrating the secondary explosive bulkhead in response to the high pressure of the wellbore fluids.

대표청구항 ▼

A transfer unit adapted to be sealingly connected a first housing, the first housing enclosing an initiating means for initiating a detonation train, comprising: a second housing having a first end adapted to be sealingly connected to said first housing and a second end, said first end receiving said initiating means, said second end receiving a receptor; and a compressed explosive disposed within said second housing between said initiating means and said receptor, said explosive abutting against an end of said initiating means and an end of said receptor and completely surrounding a periphery of said initiating means and a periphery of said receptor, the compressed condition of said explosive sealingly isolating said initiating means from said receptor, said second housing including a penetration means for preventing said receptor from penetrating said explosive when said receptor attempts to move longitudinally through said second housing toward said initiating means, said penetration prevention means including a neck down portion surrounding a periphery of said explosive.

이 특허를 인용한 특허 (21) 인용/피인용 타임라인 분석

Gill, Bennie C.; Henderson, Steven W., Ballistic transfer delay device.
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Sonday, John; Spriggle, Rick; Wasson, Dan, Cast booster using novel explosive core.
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Huber Klaus B. ; Edwards A. Glen ; Smith ; Jr. Edward G. ; Muller Laurent E., Completions insertion and retrieval under pressure (CIRP) apparatus including the snaplock connector.
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Voreck, Wallace E.; Yang, Wenbo, Detonator.
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Goodman, Kenneth; Guilkey, James, Detonator structure and system.
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Guirguis Raafat, Explosively started projectile gun ammunition.
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Fritz James E. ; Olson Steven L. ; Rydberg Jon E., Flat-form separation devices.
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Han,Chenghua; Duhon,Mark C., Heat insulating container for a detonator.
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Markel,Daniel C.; Phillips,Larry W., High-pressure explosive retention device.
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Fritz James E. ; Graham John A. ; Rydberg Jon E. ; Olson Steven L., Manifold for coupling with a tube and method thereof.
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Wenbo Yang ; Robert A. Parrott, Method and apparatus for coupling explosive devices.
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Dallas, L. Murray, Method of subsurface lubrication to facilitate well completion, re-completion and workover.
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Dallas, L. Murray, Method of subsurface lubrication to facilitate well completion, re-completion and workover.
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Sampson, Tim W.; Harvey, William, Perforating string with magnetohydrodynamic initiation transfer.
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Burleson John D. ; Henke Joseph A. ; Nguyen Duc B. ; Barker James M., Positive alignment insert (PAI) with imbedded explosive.
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Edwards A. Glen ; Huber Klaus B., Retrieving well tools under pressure.
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Fritz James E. ; Graham John A. ; Olson Steven L. ; Rydberg Jon E., Sealing device and a method for assembly thereof.
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Dallas, L. Murray, Subsurface lubricator and method of use.
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Dallas, L. Murray, Subsurface lubricator and method of use.
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Dallas, L. Murray, Subsurface lubricator and method of use.
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Huber Klaus B. ; Edwards A. Glen ; Smith ; Jr. Edward G. ; Muller Laurent E., Well completion apparatus for use under pressure and method of using 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] Transfer apparatus adapted for transferring an explosive train through an externally pressurized secondary explosive bul 원문보기