The aspects of feeding medium,equipment property and materials,their effect on wet feeding were discussed.
讨论了压力、输送气性质等因素对干法进料的影响;输送介质、设备等因素对湿法进料的影响。
The mechanical characteristics of the three wing back reamer used in guided boring in difficult formation is examined.
分析了导向钻进法用三翼回拉扩孔钻头在复杂地层条件下的力学性质 ,推导了计算不同岩石的最优切削角公式 ,并得出常见岩石的最优切削角值 ,进一步对回拉扩孔钻头的结构形式提出了优化 ,为导向钻进法回拉扩孔施工达到最优钻进 ,提供了必要的力学计算依
Improvement and Development of Core Drilling Method in Scientific Drilling
科学钻探取心钻进方法的改进和发展
Selection of Core Drilling Method for WFSD-2 of Wenchuan Earthquake Scientific Drilling Project
汶川地震科学钻探二号孔取心钻进方法的选择
APPLICATION OF BIG BORE REVERSE-CIRCULATION CORING CABLE DRILLING TO CAVERN OF LIMESTONE
大口径冲击反循环钻进方法在岩溶地层中的应用
Optimization Research on Drilling Parameter with Downhole Motor;
复合钻进条件下钻进参数优选方法研究
STUDY ON THE NEW METHOD OF DRILLING CONTROL OF IMPREGNATED DIAMOND BIT
孕镶金刚石钻头钻进控制新方法的研究
Research on MWD Surveying Method and Locating Technique of Horizontal Directional Drilling;
水平定向钻进随钻测量方法及定位技术研究
drilling practice
钻井实践；钻井习用方法；钻井作业；钻井参数
Therefore, it is most important to infiltrate the enemy organizations using all possible means.
所以用各种方法钻进敌人的组织是非常重要的。
An Improvement in Determining the Content of Sulfonic Group in Additives for Drilling Fluids;
钻井液用处理剂中磺基含量测定方法的改进
Bore Information Management and the Method Improvement of Auto-Generating Histogram
钻孔信息管理和柱状图成图方法的改进研究
Drills the Core Method of Sampling about the Improvement Semi-rigid Basic Unit the Suggestion
关于改进半刚性基层钻芯取样方法的建议
5.2 Slug the pipe with two cubic meters of mud before pulling out.
起钻前打进两方重泥浆。
wash-and-drive method
边冲出钻屑边打入套管钻进法
Honigmann process
霍尼希曼分段钻进法
Calculation method of rig hook load on deepwater drilling platform
深水钻井平台钻机大钩载荷计算方法
Method Comparison of Artificial Frontal Drill and XPS Frontal Drill
手摇额钻与XPS额钻使用方法的比较
Determining the Maximum Depth Method for Complex Formation Pneumatic DTH Drilling with the Casing
复杂地层气动潜孔锤跟管钻进最大深度的确定方法
Razor Tergum digs into the ground and digs out at another place quickly.
剃背迅速地钻进地底并在任一个地方钻出来。