And once the horizontal well is liquid loaded, the horizontal section is likely to have water lock and gas lock which are obstacles to the output of gas.
且水平井一旦积液，在水平井段很容易产生水锁、气锁现象，阻碍天然气的产出。
A forced-closing-and-opening plunger pump is developed to solve the problems of gas lock and sand inflow and low pump efficiency in steam injection Wells.
针对辽河油田蒸汽吞吐油井存在气锁、出砂、后期油稠泵效降低的状况，研制了强启闭柱塞抽油泵。
Through the catalysis of modifier, it successfully solves the problems of low-carbon fuel with poor ignition performance at low temperature and gas lock at high temperature.
通过改性剂的催化作用，成功解决了低碳燃料低温引燃性差、高温时易发生气阻的问题；
Abstract : To address the issue of "gas lock" caused by CO2 gas-channeling in gas injection wells, the forced pull rod type hollow gas prevention pump for CO2 flooding has been developed.
摘要 ：针对注气井CO2气窜而造成生产井气油比上升，常规管式泵游动阀打不开而导致的“气锁”问题，研制了CO2驱中空强制拉杆式防气泵。
Removal of the near-wellbore plug and gas lock resulted from retrograde condensation is a key problem to be tackled during the recovery of deep-buried, low-permeable condensate gas reservoirs.
解除近井反凝析堵塞和水锁是深层低渗凝析气藏开发必须解决的难题。
The travelling valve of the pump is designed to be closed and opened forcibly, and the pump plunger adopts equal-diameter bare pipe with a floating structure to prevent gas lock and sand sticking.
这种抽油泵柱塞游动阀采用机械强制开启和关闭的结构，柱塞为等径光管、浮动结构，可防止发生气锁游动阀、阀球关闭滞后、砂卡柱塞现象。
An optimum design criteria to make the gas-lock valve in the best operation condition is proposed.
提出了使锁气阀处于最佳工作状态的设计计算方法。
An optimum design criteria to make the gas-lock valve in the best operation condition is proposed.
提出了使锁气阀处于最佳工作状态的设计计算方法。
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