1) collapse wellbore
坍塌井眼
2) open hole sloughing
裸眼井段坍塌
3) 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。
4) cave-ins
井壁坍塌物
5) wellbore collapse
井眼垮塌
1.
The influence of wellbore collapse on the measuring instrument of electromagnetic wave & resistivity and its compensating method.;
井眼垮塌对电磁波电阻率测量仪的影响及补偿方法
6) cavings
井中塌坍的落石
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