1.
SHALLOW HORIZONTAL DRILLING TECHNOLOGY BY USING VERTICAL-WELL RIG IN HENAN OILFIELD
河南油田直井钻机钻浅层水平井钻井技术
2.
ERW Drilling and Completion Technology in Ultra-Shallow Heavy Oil Reservoir with Conventional Vertical Rig
直井钻机钻超浅层稠油大位移水平井钻井完井技术
3.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
4.
Development of the TZJ40(B) vertical derrick's traction-driven rig
TZJ40(B)直立井架拖挂钻机的研制
5.
Raise-boring machines
GB/T12761-1991天井钻机
6.
spider bow [for well drilling machines]
星形斗[钻井机用]
7.
kelly for well-drilling machiens
旋转钻孔,钻井机用
8.
mixed oil drilling rig
复合式石油钻井钻机
9.
Present developmentsituationoflargeverticalshaftdrillshome and abroad and the drill development proposals in China ( Ⅰ )
大直径竖井钻机发展现状与我国钻机发展建议(一)
10.
APPLICATION OF ORGANIC SALT DRILLING FLUID IN THE THIRD SECTION OF WELL T4031
有机盐钻井液在T4031井三开井段的应用
11.
drive bushing, Kelly,for well-drilling machines
凯氏传动衬套,钻井机用
12.
tool joint for well-drilling machines
工具接头,钻井机用
13.
computerized well planning program
计算机钻井设计程序
14.
Investigation of Dynamic Characteristics on the Hydraulic Control Steering Mechanisms of Automatic Vertical Drilling Tools;
自动垂直钻井工具的液控导向机构动态特性研究
15.
drilling-in unit
洗井和钻油层用的小钻机
16.
Oil whooshed up when the drill hit the well.
当钻孔机钻井时，石油喷了出来。
17.
The men dug the oil well by Boring through the ground with huge drills
工人使用巨大钻机钻透地层挖掘油井。
18.
Simulation Research on Drill Pipe of 2000 Meter Water Well Rig;
2000m水井钻机的钻杆仿真研究