1.
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
2.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
3.
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
4.
a bit or drill having deep helical grooves.
有深螺旋状凹槽的一种钻头或钻井。
5.
a drilling bit with cutting edges usually hard-tipped against wear.
有靠着钻身的硬顶和切边的一种钻井钻头。
6.
A well or drilling that yields natural gas.
一种产天然气的井或钻井
7.
Study on New Integrated Working Fluid Technology for Drilling and Cementing
新型钻井固井一体化工作液技术研究
8.
Drilling and completion matching technologies of producing marine oil on land in district 1 of Chenghai
埕海一区海油陆采钻井完井配套技术
9.
Drilling Data Statistic and Inquiry System of Chinese Continental Scientific Drilling Engineering;
中国大陆科学钻探工程钻井数据统计查询系统
10.
High Temperature High Density Drilling Fluid Technology for the Forth Interval of Well Shengke-1.
胜科1井四开超高温高密度钻井液技术
11.
EVALUATION STUDY ON CORE OIL & GAS DRILLING TECHNOLOGIES;
油气钻井科技发展重点内容评估研究
12.
Drilling through carbonate formations, especially in deep wells and in complicated formations bearing salt is a worldwide problem.
盐膏层钻井,特别是深井盐膏层和复合盐层钻井,是一个世界级的钻井技术难题。
13.
An oil platform.
钻井平台石油钻井平台
14.
drilling practice
钻井实践；钻井习用方法；钻井作业；钻井参数
15.
A machine in the tower gradually cuts a narrow hole down into the ground.
井架内的钻机渐渐地往地下钻出一个小洞来。
16.
For all his scientific methods of detection, the only way the oilman can actually know for sure that there is oil in the ground is to drill a well.
对石油工人所有的科学探测方法来说,能确切地知道地下是否有油的唯一方法就是钻一口井。
17.
Only sure way to know is to drill a well.
唯一可靠的已知方法就是钻一口井。
18.
A simple means for gas drilling wellbore stability analysis
一种气体钻井井壁稳定性分析的简易方法