rotary sidewall coring tool

Principle and Devisal of QXF36 Model Controller to the Wall of Well on the Ground;

QXF36型井壁取芯器地面控制仪的原理与设计

electrically driven rotary sidewall sampler

电动钻进式井壁取心器

rotary sidewall coring tool

旋转或旋进式井壁取心器

gas generated press sidewall coring tool

产气压入式井壁取心器

side wall coring gun

射入式取心器井壁取心枪

hard rock coring tool

坚硬岩石井壁取心器

continuous sidewall core cutter

连续式井壁岩心切割器

Study on the Design and Kinematic Simulation of the Rotary Sidewall Coring Tool;

旋转式井壁取芯器的设计与机构运动仿真研究

Bottom-Hole Dynamic Coring Assembly Analysis Using the Finite Element Method and Deviation Control Research of Chinese Continental Scientific Drilling No.1 Well;

科钻一井井下动力取心钻具组合有限元分析与井斜控制研究

The influence factor analysis of rotary sidewall coring recovery rate

旋转式井壁取心收获率影响因素分析

When drilling cluster wells on offshore drilling platform, thefollowing up problem of all kinds of cables and BOP controlling cables must be solved.

在海上钻井平台上钻丛式井时，必须解决各种电缆束和防喷器控制管缆的随动问题。

pressure balanced drilling bumpersub

压力平衡式钻井震击器

hookwall compression-set packer

井壁式压缩座封封隔器

mobile offshore drilling unit

海上移动式钻井平台

mobile offshore drilling platform

移动式近海钻井平台

offshore mobile drilling units

海上移动式钻井装置

bottom-supported mobile rig

坐底式活动钻井装置

Research of Technology Problem with Pneumatic Downhole Hammer Core Drilling

气动潜孔锤取心钻进工艺问题的研究

mobile offshore drilling rig

移动式近海钻井平台移动式近海钻井装置