on slip

Application of pneumatic clip for oil drilling rig

新型气动钻杆卡瓦在钻井生产中的应用

Design and Application of Multifunctional Drill Stems Pneumatic Clip for Oil Drilling Rig

石油钻机多功能钻杆气动卡瓦的设计及应用

The tooth marks depths′s finite element analysis of power slip in deep well drilling

深井钻井中动力卡瓦对钻杆造成的牙痕深度的有限元分析

Application of Triangular Drilling Rod to Gas Drainage Borehole Drilling in Medium Soft Seam

三棱钻杆在中软煤层顺层瓦斯抽排钻孔的应用

CLAMPING FORCE ANALYSIS FOR ON/OFF SLIP OF CONTINUOUS-CIRCULATION SYSTEM

钻井连续循环系统上卸扣卡瓦卡紧力分析

Experiment Study in High Gas Heavy Section Colligate Driving Drift Hydraulic Pressure Rockbolt Drill Vehicle

高瓦斯大断面综掘巷道液压锚杆钻车试验研究

Action Mechanism Research and Improvement of Slips of Horizontal Directional Drilling Rig

水平定向钻机卡瓦的作用机理研究与改进

boring machine for connecting rod and cylinder block bush

连杆瓦及缸体轴瓦镗床

REWAKA, Denis DANGUE

德尼·当格-雷瓦卡

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，

hard banding of tool joint

钻杆接头表面加硬圈

Ingersoll-Rand jumbo column

英格索尔－兰德钻车托杆

stacking capacity of derrick

井架的钻杆立根容量

plain clinometer

钻杆下部装的测斜仪

hard facing of tool joint

钻杆接头表面加硬层

engine ,drill, dental, with swivel arm

牙科钻机,带旋转杆

shoulder dressing tool

钻杆接头端面整形工具

Defects Analysis on 37CrMnMo4 Drill Pipe Joints

37CrMnMo4钻杆接头缺陷分析