1.
Failure Analysis of φ127.0 mm×9.19 mm G105 Drill Pipe
φ127.0 mm×9.19 mm G105钻杆失效分析
2.
Failure Analysis of φ127 mm G105 Punched Drilling Pipe
φ127 mm G105钻杆管体刺穿失效分析
3.
Failure Analysis on Tool Joint Expansion of φ88.9mm×9.35mm G105 Drill Pipe
φ88.9mm×9.35mm G105钻杆内螺纹接头胀扣失效分析
4.
Research on the mathematical mode of flow stress of grade G105 steel for oil drill pipe
石油钻杆用G105级钢高温塑性流变应力数学模型
5.
Research on H_2S Corrosive Operation Condition for Drill Pipe in G105 Steel
G105钢级钻杆在含有H_2S环境下的腐蚀研究
6.
great lengths of drill pipe which are rotated by an engine at the top,
钻杆顶部安装的发动机带动钻杆旋转，
7.
hard banding of tool joint
钻杆接头表面加硬圈
8.
Ingersoll-Rand jumbo column
英格索尔－兰德钻车托杆
9.
stacking capacity of derrick
井架的钻杆立根容量
10.
plain clinometer
钻杆下部装的测斜仪
11.
hard facing of tool joint
钻杆接头表面加硬层
12.
engine ,drill, dental, with swivel arm
牙科钻机,带旋转杆
13.
shoulder dressing tool
钻杆接头端面整形工具
14.
Defects Analysis on 37CrMnMo4 Drill Pipe Joints
37CrMnMo4钻杆接头缺陷分析
15.
5.11 The drill collar O.D. is 7.5 inch, and the drill pipe O.D. is 5 inch.
钻铤外径为7.5” ，钻杆外径为5敗£
16.
Simulation Research on Drill Pipe of 2000 Meter Water Well Rig;
2000m水井钻机的钻杆仿真研究
17.
Experimental Model and Simulation Analysis on Drill Pipe of the Reconnaissance Drilling;
勘查钻进钻杆的实验模型与仿真分析
18.
The Research of Using Drill Stem as Antenna in Telemetering System of Well-drilling;
以钻杆为天线的钻井遥测系统的研究