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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0437734 (1982-10-29) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 6 인용 특허 : 2 |
A hydraulic choking device for use in controlling fluid flow from an oil or gas well, having an improved valve chamber and valve design to reduce parts\wear and facilitate repairs, wherein the chamber is provided with a cavity within the chamber passageway sidewall to which the fluids are initially
A hydraulic choking device to be installed on a high pressure fluid well member to control flow of fluids from the wells which comprises: (a) A choke housing assembly having: (i) A choke housing body provided with a passageway having an exit opening at one end and a ball nose plug entrance opening a
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