1.
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
2.
Application of Roller Bit Combination Drilling Technology in Nappe Strata of Qingxi Oilfield
牙轮钻头复合钻进在青西推覆体地层的应用
3.
combination center drill
组合中心钻，复合中心钻
4.
mixed oil drilling rig
复合式石油钻井钻机
5.
Research and Application of Diamond-impregnated PDC Bit or Drilling in Medium Hard Rock Formation
中硬岩层钻进孕镶金刚石复合片钻头的研究与应用
6.
Comprehensive Control Measures for Complex Formation in Xihuashan Granite Mine
西华山钨矿区复杂地层钻进的综合治理措施
7.
Develop Chinese Polycrystalline Diamond Compacts (PDC)、Polycrystalline Diamond (PCD),Serve for the Drilling Industry
钻采业用复合片(PDC)和聚晶(PCD)的最新进展
8.
combined pipe tap and drill
管用钻孔攻丝复合刀具
9.
compound center drill without jacket
不带护套复合中心钻
10.
polycrystalline diamond compact bit
聚晶金刚石复合片钻头
11.
polycrystalline diamond compound bit
多晶金刚石复合钻头
12.
Researches on drilling CFRP(carbon fiber reinforced plastics) with diamond electroplated drill bit
电镀金刚石钻头钻削碳纤维复合材料研究
13.
Improvement of penetration rate with hydraulic pulsating-cavitation jet compound drilling technology
利用水力脉冲空化射流复合钻井技术提高钻速
14.
Analysis on balling up caused by helicoid hydraulic motor bypass valve failure in combined drilling technology
复合钻井过程中螺杆钻具旁通阀刺漏造成钻头泥包分析
15.
Research on Bionic Coupling Diamond Coring Bits in Drilling Hard Rock
硬岩钻进用仿生耦合金刚石取心钻头研究
16.
Combined Application of Steel Casing by Vibrating Hammer and Rotary Drilling Rig
振动锤沉拔钢护筒与旋挖钻机钻进的组合应用
17.
combined taper pipe tap and core drill
扩孔钻和锥管丝锥复合刀具
18.
Corrosion inhibitor DFP used in drilling fluid system containing compound salt to solve corrosion problem
复合盐防腐钻井液的研制与现场应用