1) wall caving prevention
巷壁崩落的预防
2) borehole wall breakout
孔壁崩落
1.
Especially for the definition and analysis of induced fissures created by hydraulic fracturing and borehole wall breakouts,there were many advantages of this equipment an.
通过一个300m和一个800m典型钻孔的实际测试结果,揭示超声波钻孔电视在地应力测量研究领域中的几个应用实例,如:岩层裂缝的检测、地应力测试段的选定、岩芯定向,特别是对水压致裂法形成的诱发裂缝和孔壁崩落的测定及分析,在地应力测量研究中将可显示出较强的优势,尤其是最大水平主应力方向的获取,更优于其它方法。
3) Damintun
井壁崩落
1.
Several thousand groups of data obtained from the logs of four-arm dipmeter of15oil wells in Damintun depression of Liaohe oil field were collected.
文中介绍了井壁崩落法地应力测量的基本原理和方法 ,并利用此方法对辽河油田大民屯凹陷地区 15口井的地层倾角测井资料进行了统计和分析 ,绘制了崩落椭圆长轴优势方位图。
4) borehole breakout
井壁崩落法
1.
The horizontal principal ground stresses of some key wells are calculated by comprehensively using acoustic velocity method,borehole breakouts method,well deviation statistics method,acoustic emission method and hydraulic cracking method.
综合采用了声速法、井壁崩落法、井斜统计法、声发射法和水力压裂法对关键井点的水平主应力方向和大小进行计算,在此基础上运用有限单元法对牛35断块沙河街组三段Es3中现今地应力进行了数值模拟。
5) short wall caving mining
短壁崩落法
6) coal fall
煤的崩落
补充资料：笆壁
1.篱笆墙。比喻依靠﹐倚仗。
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