This forecast model shows that there exists exponential relation between the drilling cost and the footage and the cycle respectively.
该预测模型表明钻井成本与钻井进尺和钻井周期呈指数关系。
Mathematically modeling the main dimensions of self-elevating drilling units
自升式钻井平台主尺度建模研究(英文)
electrically driven rotary sidewall sampler
电动钻进式井壁取心器
Technology preventing oozing slurry drilling fluid in large crossing drilling engineering
大型穿越钻进工程防冒浆钻井液技术
Discussion on full face pull construction technology of the deep mine shaft drilling method
深立井钻井法全断面一次钻进施工技术的探讨
RECENT ADVANCE IN FOREIGN WIREUNE LOGGING AND LOGGING WHILE DRILUNG TECHNOLOGY
国外电缆测井和随钻测井技术新进展
Progress in the Numerical Simulation of Invasion Damage from Drill-in Fluids in Horizontal Wells
水平井钻井完井液侵入损害数值模拟研究进展
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
The holes are only borings, less than a foot in diameter.
油井仅仅是一些钻孔, 其直径不到一英尺。
Research of Key Technology with Drilling Stem Fixed with Cable in Directional Drilling under Coal Mine
煤矿井下定向钻进通缆钻杆关键技术研究
The measurement while drilling technology in nearly horizontal directional drilling in coal mines
煤矿井下近水平定向钻进中的随钻测量技术
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
Vibration Signal Applied to Analyze Reaming Performances of Raise Boring Machine
采用振动信号分析反井钻机扩孔钻进工况
Novel Developments of ERW Technology in the Dagang Oilfield
大港油田大位移井钻井实践和技术最新进展
Drill stem tests are taken from some wells almost immediately after drilling and completion operations.
有些井刚钻完并进行完井作业后，就立即采取钻杆测试。
An oil platform.
钻井平台石油钻井平台
Promoting the Enhancement of Construction Quality by Perfecting the Supervision Management of Drilling Well;
完善钻井监督管理 促进施工质量提高
Application of pressure controlled drilling technology of well Tazhong 62-13H
控压钻进技术在塔中62-13H井中的应用