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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0730049 (1985-05-03) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 11 인용 특허 : 6 |
An operating system and choke valve actuator mechanism for a plunger lift gas and oil well having a casing and a tubing string. The actuator mechanism has a manual “low stage”setting for the choke valve so that low velocity gas will flow from the tubing string. The system has a control unit responsi
An actuator mechanism for selective positioning of a choke valve element relative to a valve seat within a piping flow tee for regulating the flow of gas and oil from a producing wellhead, said flow tee having an opening to receive and connect said actuator mechanism, an inlet opening for conducting
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