The paper, based on shell theory, studies the surfacecementing operation scheme without drilling rig during cluster drilling in SZ 36 -1 J Area in Bohai Sea.
本文应用板壳理论，对渤海绥中36—1 J 区丛式井表层无钻井时间固作业方案进行了研究。
2
The common magnesium oxychloride cementing material sets and hardens very fast, thus affects the forming operation and surface quality of the product, especially in summer - high temperature season.
普通氯氧镁胶凝材料凝结硬化快，影响了制品的成型操作和表面质量，尤其是在夏天高温季节更为突出。
3
It can ensure the slurry returning to surface, thus improve the cementing quality.