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- Keywords Drill Tool;Well trajectory control;Closed loop control;Stabilizator;Rotary steering drilling system; 关键词钻井工具;井眼轨迹控制;闭环控制;可变径稳定器;旋转导向钻井系统;
- Keywords drill tool thread compound;top drive drilling;high torque;friction coefficient;determination;laboratory testi 钻具螺纹脂;顶部驱动钻井;高扭矩;摩擦系数;测定;四球极压试验机;实验室试验;
- Keywords drilling;drilling fluid;ROP;drilling tool;UBD;Moxi Gasfield; 钻井;钻井液;机械钻速;钻具;欠平衡钻井;磨溪气田;
- Keywords drilling;ROP （rate of penetration）;drilling bit;drilling fluid;drilling parameters;drilling tool; 钻井;机械钻速;钻头;钻井液;钻井参数;钻井工具;
- Keywords drilling;wireline coring;less drilling tool shacking;drilling effect;Liuhuanggou coalfield; 钻探;绳索取心;钻进效果;硫磺沟煤田;
- Keywords drilling;Kelly;Kelly cock valve;drilling tool;rustiness;blowout prevention; 钻井;方钻杆;方钻杆旋塞阀;钻具;腐蚀;防喷;
- By the action of high roatry speed,excentric shaft connection intensifies the fatigue failure of drill tool. 为了达到较好的防斜目的,必须增大钻进时钻头的转速,在高转速的作用下,偏轴接头加剧了钻具先期疲劳失效。
- These two days we have been laying down drill tools. 这两天我们都在甩钻具。
- The drilling tool should be measured precisely. 请准确丈量钻具。
- The operation performance of PDC bits with screw drill tool appplied now in oilfield were analyzed comprehensively. 综合分析了目前使用的PDC钻头和螺杆钻具工作特性。
- This paper analyses the influence of excentric shaft connection on force case of drill tool,and discusses the causes of drill tool failure. 文中分析了使用偏轴接头对钻具各部分受力情况的影响及导致钻具失效的原因。
- Keywords drilling accident;directional drilling;directional well;sticking;keyseat;drilling pipe breaking;drilling tool accident;free point;Zhuangxie 18 Well;Zhuangxie 310 Well;Shengli Oilfield; 钻井事故;定向钻井;定向井;卡钻;键槽;钻杆断;钻具事故;卡点;胜利油田;桩斜18井;桩斜310井;
- Two methods for determining the critical length of the drill tool section below the hydrodynamic propulsor are presented. 给出了确定井下液力推进器以下钻具临界长度的两种方法。
- At last,accor ding to the different design claims,enumerate method and iteration of steerable drill tool is designed,and give some design exemples in different conditions. 最后,根据不同的设计要求,提出了设计导向钻具的枚举法和迭代法,并给出了各种条件下的设计示例。
- In order to attain the goal,the rotary speed of bit must be increased.By the action of high roatry speed,excentric shaft connection intensifies the fatigue failure of drill tool. 为了达到较好的防斜目的,必须增大钻进时钻头的转速,在高转速的作用下,偏轴接头加剧了钻具先期疲劳失效。
- Get all the drilling tools unlashed. 解开所有钻具。
- 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;
- This paper analyses how the whipstocking screw drill tools easily trip in casing. 因此，结构弯角必然较大，这就提出了这种钻具在套管内能否顺利下入的问题。
- Our Jacobs (Suzhou) came to Suzhou Industrial Park on 1996, and the total investment is US$16 million.We are the professional manufacturer of drill tool, portable power tool chucks. 本公司于1996年进入苏州工业园区;总投资额1;600万美元.;公司专业生产及经营各类钻具夹头，刃具夹固件，便携式工具及配件。
