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The cementation of cement slurry is not good in alkali well of Anpeng area.Cement slurry leaking results in poor cementing quality and not enough cement height. 安棚区块碱井固井水泥浆胶结不好,水泥浆易漏失造成固井质量较差、水泥返高不够等问题。
Analysing cement density how to influence evaluate cementing quality with CBL/VDL. 通过波形对比分析了水泥密度对CBL/VDL评价固井质量的影响。
If the drilling fluid in the annulus cannot be completely displaced, even the best cement slurry cannot provide high cementing quality. 如果水泥浆未能"替净"环空泥浆,再好的水泥浆体系也根本不起作用。
CBL/VDL verify that high cementing quality rate is 86. 67% af... 射孔前后抗破坏性对比试验也证实增韧水泥石具有良好的抗冲击性能。
Applications of 4 wells showed excellent cementing quality. 现场应用了4口井,固井质量优质,表明冲洗液YJC-1提高了油包水钻井液完钻井的固井质量。
Examples show this new method can give more accurate result than conventional acoustic amplitude and conventional VDL in evaluating the cementing quality between casing and cement annulus, cement annulus and formation. 实测资料说明该方法较普通声幅和普通变密度测井能更准确地鉴定水泥环两个界面的胶结质量。
Lost circulation problems of long interval isolation have been solved by using the cement slurry to 4 Anpeng alkali wells in 2000, and cementing qualification rate of upper section and cementing quality excellent rate of alkali lay all reached 100%. 现场应用表明,漂珠低密度水泥浆有效地解决了安棚碱井易漏地层长封固段固井难题,确保了安棚碱井的固井质量。 2000年固井4井次,上部漂珠段固井1次合格率为100%25,碱层段固井优质率达到100%25。
The problem of oil,gas and water channeling caused by cement slurry weightlessness is an urgently to be solved task for improving well cementing quality and protecting oil and gas reservoirs. 水泥浆失重所造成的油、气、水窜问题，是提高固井质量、保护油气层急待解决的重要课题。现有的预测和防止水泥浆气窜的方法虽然很多，但应用于现场却有一定困难。
Formation fluid migration after cementing as hydraulic pressure loss due to cement slurry shrinkage and gelatinization weightlessness is the one of main causes to effect cementing quality. 注完水泥后因水泥浆体积收缩和胶凝产生失重导致地层流体窜流仍然是影响固井质量重要原因之一。
It makes the casing centralized in wellbore and improves cementing quality. 可使套管居中，提高固井质量。
Evaluation of cementation quality of external upset casing 外加厚套管固井质量评价技术
Aiming at some techniques about to the cementing quality can solve some difficult problems of poor cementing quality. 有针对性地提高固井质量的工艺技术，可以解决调整井固井质量差的难题。
The theoretic base and method for quantitative evaluation of low density cementing quality by using SBT are elaborated. 阐述了SBT定量评价低密度水泥固井质量的理论基础和方法原理。
This paper presents the analysis of main causes of effect on slope well safety,cementing quality. 分析了影响斜井钻井安全、固井质量等影响井眼质量的主要原因;
Rotating casing is helpful to improve effectively mud displacement efficiency and thus improve cementing quality. 旋转套管可以有效提高水泥浆顶替效率,从而提高固井质量。
Now in the drilling cementing quality interpretation,CBL logging is mainly utilized. 目前,钻井固井封固质量的解释仍主要使用声幅(CBL)测井曲线;
SBT is one of the latest and the most effective tools for checking cementing quality and its channeling. 扇区水泥胶结测井仪SBT是目前检查固井质量及管外窜槽的最新最有效的测井仪器之一。
Super-strengthen spring steel is applied to centralize casing in wellbore, and improves cementing quality. 利用高强度弹簧钢支撑套管，使套管居中，提高固井质量。
The mechanism of improving cementing quality is introduced using the outer casing pecker. 重点介绍采用套管外封隔器提高固井质量的作用机制;
The cementing perfection rate is an important measurement to evaluate the cementing quality. 固井优质率是表征固井质量好坏的一个重要指标。