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- Keywords drill assembly;drill bit side force;curved wellbore;elastic curved bars;MWR; 钻具组合;钻头侧向力;弯曲井眼;弹性曲杆;加权余量法;
- A mechanical model for the offset-axes pendulum drill assembly (OAPDA) was established according to the continuous beam theory and the D. 运用纵横弯曲连续梁理论和达朗伯原理,建立了偏轴钟摆钻具组合动力学分析模型。
- By forming a thin film around the drill bit,drill assembly,thus preventing the balling of the drill bit and drill pipe,the ROP accelerators rendered the mud lubricity and incre... 机械钻速提速剂能在钻头、钻具组合等金属表面形成一层薄膜,防止钻屑黏附于钻头和钻具上发生泥包,从而起到润滑的效果,提高了钻速。
- 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;
- The results of inclining-prevention drilling assembly with stabilizers are not so ideal during drilling decimated formations. 在易斜地层钻进时，带扶正器的防斜钻具组合的防科效果往往不甚理想。
- Scientific drilling methods,proper drilling assembly and monitoring with drilling shall be used to ensure success of horizontally sidetracked wells during ... 科学的工艺措施、合理的钻具组合、适宜的随钻监控方法是保证侧钻水平井成功的关键。
- Keywords drill stem mechanics;bottom hole assembly;steerable assembly;mathematicalmodel; 钻柱力学;下部钻具;导向钻具;数学模型;
- When the mechanics performance of BHA(Bottom Drilling Assembly),that consists of conventional stabilizer and drilling collar,can not meet actual operation,it has to be changed. 常规稳定器和钻铤构成的底部钻具组合(BHA)其力学特性不能改变,若与实际要求不相符合时,必须起下钻更换。
- Scientific drilling methods, proper drilling assembly and monitoring with drilling shall be used to ensure success of horizontally sidetracked wells during the drilling operation. 科学的工艺措施、合理的钻具组合、适宜的随钻监控方法是保证侧钻水平井成功的关键。
- Keywords drill stem testing;on gusher testing;screw pump;APR tools; 钻柱地层测试;非自喷井;螺杆泵;APR工具;
- Keywords drill bits;cutter sharpening/fuzzy optimization; 钻头;刃磨/模糊优划;
- Keywords drill pump technical modification bearing recondition; 钻井泵;技术改造;轴承;修复;
- An Analysis of Field Performance of Drill Assembly with Single Centralizer 单扶正器钻具组合现场应用效能分析
- Keywords drill sharpening complex helicoid mathematical modeling optimization; 钻头;刃磨;复杂螺旋面;数学建模;优化;
- Keywords drill rod joint;surface hardening;wearing resistance;boriding; 钻杆接头;表面硬化;耐磨性;渗硼;
- It is required for us to understand the detailed buckling behavior of tubing in order to optimize the design of drilling assembles and to reduce the cost. 因此现代石油钻采工程要求能够对钻柱的屈曲行为有一个较为准确的了解,以此来优化钻井设计,降低钻探成本。
- Keywords drill lixiviant distribution;micro-irrigation;irrigator;uniformity; 钻孔布液;微灌;注液器;均匀度;
- Keywords Drilling;Bottom nole assembly;Well path;Control;Prediction; 钻井;下部;钻具;井眼;轨道;控制;预测;
- Applications of Single Stabilizer Drill Assembly in Directional Wells in Shanbei 单稳定器钻具组合在陕北定向井中的应用
