In order to solve the problem, FSAM nonpermeable channeling preventable cement slurry system is developed.
为了解决这一问题，研制开发了FSAM非渗透防窜水泥浆体系。
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。
Destruction of cement sheath outside casing is one of the causes for channeling and corrosion.
套管外水泥环的破坏是导致管外串槽、套管外腐蚀的原因之一。
For the problem of gas channeling in cementing operations, the experiments of anti-channeling performance of fiber cement slurry were carried out.
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。
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。
In order to solve the problems, a novel foam cement slurry system with low density, high strength and good channeling resistance, has been developed and tested.
为此，研制开发了密度低、强度大且防窜性能好的新型泡沫水泥浆体系，并对其性能进行了试验研究。
Based on the study of cement slurry setting property, a test instrument has been developed for in-house evaluating the anti-gas channeling ability of slurry under the simulated downhole conditions.
通过对固井水泥浆凝固特性的研究，研制出了可模拟井下条件的室内“水泥浆防气窜能力评价仪”。
It is considered that the main reason of leading to annular channeling after cementing is due to cement slurry weight loss.
认为固井后环空气窜的主要原因是由于水泥浆失重引起的。
Channeling can be prevented by adding sponge iron and synthetic rubber powder in cement slurry.
提出消除微裂缝-微环隙的防窜措施，是在固井水泥浆中添加海绵铁及合成橡胶粉。
It can reduce cement slurry filtration, provide a channeling-preventing effect and mitigate corrosion of formation fluids on cement ring.
另一方面使水泥浆具有防窜性，减轻了地层流体对水泥环的侵蚀。
It can reduce cement slurry filtration, provide a channeling-preventing effect and mitigate corrosion of formation fluids on cement ring.
另一方面使水泥浆具有防窜性，减轻了地层流体对水泥环的侵蚀。
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