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”。
The several conventional cementing technologies for deep sea abroad were reviewed which included rapid setting gypsum slurry, PSD slurry, high alumina slurry, aerated slurry and so on.
顶替效率高。介绍了国外常见的几种深水固井水泥浆技术，包括快凝石膏水泥浆体系、PSD水泥浆技术、高铝水泥、充气水泥浆技术和其他水泥浆技术。
Gradient multi-setting cement slurry system can take the place of double stage cementing in long isolation sections in certain degree, and it displaces many advantages.
对于封固段较长的固井作业，采用梯度多凝水泥浆体系，在一定程度上可以代替双级固井，具有很强的优越性。
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