1) open hole sloughing
裸眼井段坍塌
2) collapse wellbore
坍塌井眼
4) wellbore collapse
井壁坍塌
1.
During well drilling,wellbore collapse will directly influence the drilling progress and normal well logging,while correctly selecting mud formulae is an important factor for preventing wellbore collapse.
钻井过程中,井壁的坍塌会影响钻井进度及测井工作的正常进行,而泥浆配方的正确选取是防止井壁坍塌的重要因素。
2.
The conclusion is that wellbore collapse is an instability phenomenon of extreme point type,and a number of issues in oil industry are clarified.
在此基础上,建立了井壁压力和井壁位移的平衡路径曲线,提出井壁坍塌是一种极值点型失稳现象,澄清了石油工程中的一些问题。
5) subsection collapse
分段坍塌
1.
In order to demolish gymnasium of liaoning province palaestra successfully,in view of its unusual structure,especially its roof is close steel net structure which is more than 550 tons and demolition is very difficult,so subsection collapse blasting is adopted,and technology design consists of blasting pretreatment,blasting network and blasting safety test.
为了成功爆破拆除辽宁省体育馆,针对其结构比较特殊,尤其是上部屋顶为重达550多吨的封闭式钢网架结构,排除难度非常大,采用分段坍塌爆破法进行爆破拆除,其技术设计包括爆破预处理、爆破网络选择、爆破安全校核。
6) open interval
裸眼井段;开区间
补充资料:坍塌
1.倒塌。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条