2) Offshore oil/gas production wellhead equipment
海洋采油气井口装置
3) oil producing wellhead
采油井口装置
4) thermal recovery wellhead unit
热采井口装置
1.
In accordance with the producing feature of "shallow, thin, heavy, and scattered" of heavy oil in Henan oilfield,referring to available thermal recovery wellhead units,adopting a cross which combines tubing and casing all in one, sealing heat stress axially andradially,thermal wellhead unit CYR3OO-14 has been developed.
针对河南油田稠油“浅、薄、稠、散”的开采特点，在结合已用过的各种热采井口装置的基础上，采用油套合一四通，热应力轴向径向密封等结构，经攻关研制出CYR300-14型热采井口装置。
5) gas production wellhead
采气井口
1.
Development and application of non-well-killing valve-replacing gas production wellhead;
不压井换阀采气井口的开发与应用
2.
The main failure pattems of the sealing surface of the gate valve of a gas production wellhead working in sulphurous gas include weight loss corrosion, stress corrosion and wear.
采气井口闸阀在含硫天然气介质中工作，密封面失重腐蚀、应力腐蚀及磨损是其主要失效形式。
6) gas producing wellhead
采气井口
1.
For the influencing of some factors on gas producing wellhead,such as:scouring of gas and liquid,temperature,pressure,vibration,hydrogen sulfide corrosion and frequent opening and closing gate valve etc.
由于采气井口内气、液的不断冲刷 ,温度、压力、振动、硫化氢腐蚀、日晒雨淋、闸阀的频繁开关和其本身的加工精度与质量等因素的影响 ,使采气井口不可避免地发生密封失效问题 ,严重威胁着天然气井的正常生产。
补充资料：口采
1.亦作"口彩"。 2.吉利的话。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条