1.
Bottomhole Stress Analysis and Breaking Mechanism Research in Underbalanced Drilling
欠平衡钻井井底岩石应力状态分析和破碎机理研究
2.
hard rock coring tool
坚硬岩石井壁取心器
3.
rathole gravel slurry
井底口袋内的砾石砂浆
4.
The stone fell 10 metres before reaching the bottom of the well.
石头落下十米才到井底。
5.
Scraped the bottom of the car on a rock.
岩石擦坏了汽车底盘
6.
Drilling and Blasting Technology of Hard Rock in New Ventilating Shaft in Zhangxin Coal Mine
张新矿新风井坚硬岩石凿岩爆破技术
7.
Experimental Studies of Rock Drillability and Rock Mechanics of Deep Well-bore
深部井眼岩石可钻性与岩石力学特性实验研究
8.
This rock type originates in the magma chambers that underlie volcanoes.
这种岩石源自火山底下的岩浆库。
9.
petrophysical evaluation system
岩石物理测井评价软件系统
10.
Wellbore Stability Analysis Considering Rock Size Effects
考虑岩石尺寸效应的井壁稳定性分析
11.
Study on Rock Cover of Subsea Tunnel in Jointed Rock Mass;
裂隙岩体海底隧道最小岩石覆盖厚度研究
12.
Process of Karst Water Acting on the Water Bursting under the Mine Floor
矿井底板突水过程中岩溶承压水的作用
13.
it was built on a base of solid rock; he stood at the foot of the tower.
它的底部是一块坚硬的岩石；他站在塔的底部。
14.
The Petrological Study of the Precambrian Metamorphic Basement in the Central Tianshan, Xinjiang Province;
中天山前寒武纪变质基底岩石学研究
15.
Study on the Effect of Rock Subgrade's Stiffness to Subgrade Reaction
岩石地基刚度对基底反力影响的研究
16.
the Guandi Archean complex in the margins of the pluton was outcropped by ductile flow of the diapiric ascent;
房山岩体边缘的关坻太古宙杂岩是基底岩石随岩体底辟流动上升带到地壳上部的;
17.
The acoustoelectric effect of rock is investigated with experimental method in model borehole.
在模型井中对岩石的声电效应进行了实验研究。
18.
A Correction of Saturation Data Obtained From Sealed Core Analysis
密闭取心井岩石饱和度测量数据校正方法