1.
Fracture Failure Analysis on a S135 Drill Pipe in Horizontal Well
水平井S135钻杆本体断裂原因分析
2.
Piercing Failure Analysis ofΦ127 mm S135 Drill Pipe
φ127 mm S135钻杆刺漏失效分析
3.
Study on Influencing Factors of S135 Drill Pipe Steel Oxygen Corrosion and Corrosion Fatigue;
S135钻杆钢氧腐蚀和腐蚀疲劳影响因素的研究
4.
Hydrogen Permeation and Hydrogen Induced Cracking of Drill Pipe Steel S135
石油用S135钻杆钢氢渗透与氢致滞后开裂行为
5.
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，
6.
hard banding of tool joint
钻杆接头表面加硬圈
7.
Ingersoll-Rand jumbo column
英格索尔－兰德钻车托杆
8.
stacking capacity of derrick
井架的钻杆立根容量
9.
plain clinometer
钻杆下部装的测斜仪
10.
hard facing of tool joint
钻杆接头表面加硬层
11.
engine ,drill, dental, with swivel arm
牙科钻机,带旋转杆
12.
shoulder dressing tool
钻杆接头端面整形工具
13.
Defects Analysis on 37CrMnMo4 Drill Pipe Joints
37CrMnMo4钻杆接头缺陷分析
14.
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£
15.
Simulation Research on Drill Pipe of 2000 Meter Water Well Rig;
2000m水井钻机的钻杆仿真研究
16.
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
17.
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
18.
Control System Research of Pipe Racking System for the Drilling Platform
钻井平台钻杆自动排放控制系统研究