1.
APPLICATION OF DOUBLE OFFSET DEVIATION CONTROL DRILLING TOOL IN FAULT WELL OF ZHUNGEER BASIN
双偏防斜钻具在准噶尔盆地西北缘断层井的成功应用
2.
A NEW METHOD OF SOLVING BUILD-UP HOLE ANGLE PROBLEM ON PENDULUM ASSEMBLY WHILE WOB IS INCREASING
解决钟摆钻具在大钻压下增斜问题的新思路
3.
Experimental study on automatic vertical drilling tool inclination control
自动垂直钻井工具纠斜控制实验研究
4.
The Hole Deviation Control Theory Analyses and Application on Positive Displacement Motor;
螺杆钻具控制井斜的理论分析与应用研究
5.
The Jeopardizing of the Slant of Bore to Hydrographic Bore and Precaution in the Incompact Stratum Layers
松散地层中井斜对水文钻孔的危害及预防
6.
Fire Prevention Practice on Drilling Holes with Inclined Slices on Fully Mechanized Face Roof of Thick Seams in Junde Colliery
峻德矿特厚煤层综放面顶板下斜钻孔防火实践
7.
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
8.
Pull out (or run in ) the string up to the shoe and hang it on the 5 inches pipe ram] .
起钻（或下钻）至套管鞋处，并把钻具悬挂在5”闸板防喷器上。
9.
Structure security analysis of cuttings falling-prevention tool for gas drilling
气体钻井防沉屑工具结构安全性分析
10.
The only way to drill a high verticality borehole both in home and abroad is based on effective hole straightening, enhancing inclination surveying and on time straightening.
国内外施工高垂直度钻孔的唯一方法就是以有效防斜为基础,加密测斜,并及时纠斜。
11.
Research on Automatic Vertical Drilling Tool Anti-deviation Control Theory and Experiment Based on Virtual Instruments
基于虚拟仪器自动垂直钻井工具纠斜控制理论与实验研究
12.
Study of the Hydraulic Systems of Well Drilling and the CFD Simulation of the Revolving Guide Sleeve;
自动防斜钻井液压系统研究及其旋转导向套CFD仿真分析
13.
The Application of Polymer Sulfonate Drilling Fluid in Block Xiepoxiliu in County Li.
聚磺润滑防塌钻井液在蠡县斜坡西柳区块的应用
14.
Study of Corrosion to Drilling Rigs by Solid Free Composive Salt Drilling and Completion Fluids and Its Prevention Technology
无固相复合盐水钻井完井液对钻具腐蚀规律与防护技术研究
15.
Drilling Tools Anti-corrosion Technology for Well Shengke-1.
胜科1井钻具腐蚀防护技术研究与应用
16.
APPLICATION OF PHOSPHATED FLUID TREATMENT TECHNOLOGY FOR DRILLING TOOL THREADS PROTECTION
磷化液处理技术在钻具螺纹防护中的应用
17.
Any of numerous hand tools for boring holes.
钻孔工具，手钻钻孔用的手持工具
18.
plain clinometer
钻杆下部装的测斜仪