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- Keywords drilling microvoid ultrasonic vibration; 钻削;微孔;超声振动;
- Keywords drilling pump;manufacture;amelioration; 钻井泵;工艺;改进;
- Keywords drill stem;antenna;telemetering; 钻杆;天线;遥测;
- Keywords Drill hole;Concrete pulp;Transportation; 钻孔;混凝土料浆;输送;
- Keywords drilling fluid;frothing agent;mini-foam;density; 钻井液;起泡剂;泡沫稳定剂;微泡沫;
- Keywords drilling wastewater;microbes;ultraviolet mutagism; 钻井废水;微生物;紫外线诱变;
- Keywords drilling fluid;directional drilling;hole cleanout; 定向钻井;井眼净化;钻井液;
- Keywords drill shoe;casing drilling;liner drilling;Weatherford; 可钻式钻鞋;套管钻井;尾管钻井;威德福公司;
- Keywords drilling fluid;deepwater;cation;gas hydrate; 钻井液;深水;阳离子;天然气水合物;
- Keywords drilling;P;deep well;ECD;safety density window; 钻井;高温;高压;深井;ECD;安全密度窗口;
- Keywords drilling site;OCTG pipe carrier;slip;safety blocking rod; 钻井现场;石油专用管;管架;翻转式安全挡杆;
- Keywords Drilling fluid Denticulate siensia Toxicity Evaluate; 钻井液;中华米虾;毒性;评价;
- Keywords Drilling fluid Gas cuting;Degassing;Degasser; 钻井液;气侵;除气;除气器;
- Keywords Drilling;Movable generator;Neutral earthing; 钻井;移动式发电机;中性点;
- Keywords drilling pump liner reconditioning technology; 关键词钻井系;缸套;修复;工艺;
- Keywords drilling fluid;rheology;telemetering;controller;system\; 钻井液;流变性;遥测;控制器;系统;
- Keywords drilling;mutative load;corrosion;fatigue fractureh; 钻杆;交变载荷;腐蚀;疲劳断裂;
- Keywords Drilling rig Inverter Actuating system Control system; 钻机;变频器;传动系统;控制系统;
- Keywords drilling fluid degasser;system design;quality evaluation; 钻井液除气器;系统设计;质量评价;
- Keywords drilling fluid;zwitterionic polymer;Fanxue Oil Field; 钻井液;两性离子聚合物;樊学油田;
