Cementing quality is unstable in Daniudi gas field before 2004 due to poor cement slurry performance. Based on analyzing the influence of cement slurry performance on cementing quality, lab.
在2004年之前大牛地气田固井质量极不稳定，通过分析研究，发现水泥浆的性能严重影响固井质量。
The invention solves the problems of low early strength, poor slurry flowability and stability and short service life of the traditional non-floating bead pulverized fuel ash low-density cement.
本发明解决了现有非漂珠粉煤灰低密度水泥早期强度低、浆体流动性不好、稳定性差及使用寿命短的问题。
The mainly difficult problem of production inadequate return top of slurry and poor bonding cementing hole reaction are discussed in the paper;
论述了长庆油田固井过程中存在的主要生产难题—水泥返高不足和注水泥井段胶结质量不理想；
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