1.
Design optimization of PDC bit based on core information of volcanic layer
基于火山岩地层钻井岩心资料的PDC钻头设计改进
2.
Effect of Hailar basin cores and drilling fluid on carbon dioxide gas testing
海拉尔盆地岩心与钻井液对CO_2气测的影响
3.
The Multi-functions of Micro-bubble Drilling Fluid for Core Drilling
微泡钻井液在岩芯钻探中的多重功效
4.
electrically driven rotary sidewall sampler
电动钻进式井壁取心器
5.
Promote the efficiency of drilling equipments in tunneling and drilling rocks
提高钻探设备在岩石中掘进钻井的效率
6.
Application of Hydraulic Pressure System of Umbrella Drill to the Construction of Shaft in Hard Rock
液压伞钻在立井硬岩段施工中的应用
7.
Study of mixed gas production simulation test for drilling fluid and sandstone
钻井液与砂岩混合产气模拟实验研究
8.
Brief Study on the Rock Fragmentation Test Bed of Air Rotary Percussion Drilling
空气冲旋钻井破岩试验台架研制初探
9.
DRILLING AND COMPLETION DAMAGE MODEL OF FRACTURED AND LOSS CARBONATE GAS RESERVOIR
裂缝漏失性碳酸盐岩气藏钻井完井损害模式
10.
RESEARCH ON SAFETY DRILLING PERIOD OF HORIZONTAL WELL IN THE LOOSE SANDSTONE RESERVOIR
疏松砂岩储层水平井安全钻井周期确定研究
11.
Calculation of Eccentric Wellbore Pressure Drop and Air Volume Requirements in Air Drilling
空气钻井偏心井筒压力及注气量计算
12.
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
13.
Diamond core drilling equipment conventional system
GB/T16950-1997金刚石岩心钻探钻具设备
14.
Traditionally, various subphase belts for irruptive rock body are studied and analyzed by mainly drilling well and coring.
传统上对侵入岩体各亚相带的研究和判断，主要通过钻井取心来认识。
15.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
16.
continuous sidewall core cutter
连续式井壁岩心切割器
17.
hard rock coring tool
坚硬岩石井壁取心器
18.
Bottom-Hole Dynamic Coring Assembly Analysis Using the Finite Element Method and Deviation Control Research of Chinese Continental Scientific Drilling No.1 Well;
科钻一井井下动力取心钻具组合有限元分析与井斜控制研究