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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Control cartridge for controlling a safety valve in an operating well

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) E21B-034/06    E21B-044/00   
미국특허분류(USC) 166/53 ; 166/664 ; 166/332 ; 166/373
출원번호 US-0117536 (1993-09-07)
우선권정보 FR-0010647 (1992-09-07)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 73  인용 특허 : 0
초록
▼

An operating well such as an oil well is provided with a safety valve in the tubing thereof. A control cartridge controls the safety valve under the command of control signals transmitted from the surface. The control cartridge includes a housing mounted in the tubing and a receiver for receiving signals transmitted from the surface. A power supply is provided in the housing and is connected to an electronic control system, which control system is also connected to the receiver. A hydraulically operated actuator controls the safety valve, and a source of...

대표
청구항
▼

An operating well, having: well tubing; a safety valve in said well tubing; and a control cartridge for controlling the safety valve, said control cartridge comprising: a cartridge housing mounted in said well tubing; a receiver for receiving transmitted control signals; a power supply provided in said housing; an electronic control system in said housing connected to both said receiver and said power supply; a hydraulically operated actuator for controlling the safety valve; and a source of hydraulic fluid in said housing connected with said hydraulical...

이 특허를 인용한 특허 피인용횟수: 73

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