结果表明，LDAM水泥浆体系能有效解决小眼井固井漏失气窜问题，并提高了薄水泥环的胶结质量。
The LDAM slurry system shows that it solves the gas-out problems of slim hole and improves the quality of cement circular.
针对固井过程中的气窜问题，对纤维水泥浆的防窜性能进行了实验研究。
For the problem of gas channeling in cementing operations, the experiments of anti-channeling performance of fiber cement slurry were carried out.
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。
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.
氮气膨胀剂在固井防气窜中起着重要的作用。
Nitrogen swelling agent is vital for controlling gas channelling during cementing.
大牛地气田具有低压、低渗、个别井段易漏和固井后易气窜的明显特点。
Daniudi gas field is characterized by low pressure, low permeability, being prone to leakage in some well intervals and being prone to gas channeling after cementing.
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。
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.
现场初步试验证明，该套水泥浆体系对于浅层气固井具有较好的效果，有效地控制了气窜现象的发生。
It has proved that this novel system is of good effect for shallow gas zone in well-cementing and gas breakthrough has been effectively controlled.
因此，固井过程中有效地防止气窜的发生尤为重要。
Therefore, it is vital to avoid gas channeling in the cementing operation.
因此，固井过程中有效地防止气窜的发生尤为重要。
Therefore, it is vital to avoid gas channeling in the cementing operation.
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