1.
The Mechanical Behavior Analysis and Load Capacity Research for Downhole Derricks;
作业井架的力学行为分析与承载能力研究
2.
Preliminary Study on Well Drilling Technique of Semi-Submersible Drilling Platform with Dual Derrick Rig
半潜式钻井平台双井架钻机作业工艺初步研究
3.
Calculation and Analysis of the Derrick and Mobile Shelf of the Whelled Hoist Tractor;
轮式作业机井架和车架强度计算和分析
4.
Finite Element Analysis of Hoist Tractor Derrick about Intensity and Stability
作业机井架强度与稳定性的有限元分析
5.
bald-headed derrick
无天车工作平台的井架
6.
work - over equipment for oil and gas wells
油气井井下作业设备
7.
at the top of the shaft there is usually a structure called a headframe. It contains some of the machinery necessary for mining operation.
在井筒顶部通常都有一个叫作井架的建筑，其上装有一些采矿作业所需要的机械设备。
8.
drilling practice
钻井实践；钻井习用方法；钻井作业；钻井参数
9.
The Improvement of the Way of Making And Installing Tie-in of Steel Structural Derrick;
钢结构井架制作安装接头形式的改进
10.
The Simple Study of Rapid Construction of Auxiliary Shaft in EightBao Coal Mine
八宝煤矿副井井筒快速施工作业浅析
11.
offshore gravel packing operation
海洋油井砾石充填作业
12.
misdirected completion practice
错误指导的完井作业
13.
rigless sand control
不用修井机的防砂作业
14.
APPLICATION OF RESERVOIR PROTECTION TECHNIQUES IN WORKOVER JOB OF LOW PRESSURE OIL WELL
储层保护技术在低压井修井作业中的应用
15.
Development of rod absolute oil tool in workover operations of pumping wells
抽油井修井作业中抽油杆净油工具的研制
16.
CRITICAL FACTORS IN IGNITION OPERATION OF ABANDONED WELLS WITH HIGH H_2S CONTENT
高含硫化氢油气井弃井点火作业关键问题探讨
17.
Impact of follow-up operations on acoustic cementing logging and countermeasures
后续作业对固井声波测井的影响及对策
18.
"drilling rig, platform"
"钻井井架,钻井平台,见 oil (drilling) rig"