gas channeling prevention的意思|示意

It is a key technique of raising cement job quality and protecting oil and gas reservoirs to solve the problem of gas channeling prevention in cementing job.

解决注水泥作业的防气窜问题，是提高固井质量，保护油气层的关键技术。

This cement slurry provides good properties such as low density, low filtration, gas channeling prevention and stable compressive strength at high temperature.

超细防气窜水泥浆体系具有防气窜、低密度、低失水、抗水泥石高温强度退化等优点，适用于超深油气井注水泥作业。

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。