1.
The application and improvement for the imaging distinguishing analytic technique for PDC bit cuttings in Luodai Gasfield
PDC钻井岩屑成像识别分析技术在洛带气田的应用与改进
2.
Anti-bit balling for PDC bits of horizontal wells in Changqing gas field
长庆气田水平井PDC钻头防泥包技术
3.
The distinction of the PDC bit balling and its features of mud logging parameters
PDC钻头泥包的识别及其录井参数特征
4.
Design of PDC bit and its laboratory test for non saline dome wells in Kenkiyak Oilfield
肯吉亚克油田非盐丘井PDC钻头设计及实验研究
5.
Design optimization of PDC bit based on core information of volcanic layer
基于火山岩地层钻井岩心资料的PDC钻头设计改进
6.
eggbeater PDC bit
打蛋器型PDC钻头
7.
Modeling and Appling of Drilling Speed of Cutting Type PDC Bit;
切削式PDC钻头钻速方程建立及其应用
8.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
9.
PDC Variable Diameter Drilling Bit Mechanical Characteristics and Structural Design;
PDC变径钻头力学特性及结构设计
10.
Study dynamics simulation of single cutter of PDC working by Finite Element Method
PDC钻头单齿工作角度有限元仿真研究
11.
Experimental research on drilling and cutting characteristics of PDC bit at home and abroad
国内外PDC钻凿特性检测试验研究
12.
Research on Hydraulic Feed System for PDC Test Equipment
PDC钻头试验装置进给液压系统研究
13.
Finite Element Analysis of Cutting Load of Geological PDC Coring Bit
地质PDC取心钻头切削载荷有限元分析
14.
Analysis of characteristics of PDC rock bits applied to the hard rock
适用于硬岩的PDC全面钻头特点分析
15.
Size Reduction and NC Simulation of PDC Bit
PDC钻头的尺寸还原与数控加工仿真
16.
Experimental research on integrated mechanical model of PDC bit
PDC钻头综合受力模型的试验研究
17.
An oil platform.
钻井平台石油钻井平台
18.
drilling practice
钻井实践；钻井习用方法；钻井作业；钻井参数