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- Keywords screw drill tool;cardan shaft;design;application; 螺杆钻具;万向轴;设计;应用;
- 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 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。
- Keywords horizontal well;curvity;radius;screw drill tool;classification structure;feature; 水平井;曲率;半径;螺杆钻具;分类;结构;特征;
- Keywords navigational drilling screw drill tool cardan shaft rotary force analysis offset; 导向钻井;螺杆钻具;万向轴;旋转;受力分析;偏移距;
- Keywords navigational drilling;screw drill tool;life;power shaft;prime mover;fatigue failure;drilling accident;technical reform; 导向钻井;螺杆钻具;寿命;传动轴;原动机;疲劳破坏;钻井事故;技术改造;
- screw drill tool 螺杆钻具
- Design of CAT System for Screw Drilling Tools and Screw Drilling Motors 螺杆钻具、螺杆泵性能计算机辅助测试系统的设计
- screw drilling tool 螺杆钻具
- The time-domain response model of flaw long screw drill and pour pile was established based on the damped wave equation of pile-soil interaction system. 从桩-土系统共同作用的波动阻尼方程入手,建立了成层土中缺陷长螺旋钻孔灌注桩的时域响应模型。
- The drilling tool should be measured precisely. 请准确丈量钻具。
- These two days we have been laying down drill tools. 这两天我们都在甩钻具。
- 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。
- Keywords screw grease;smearing tool;development;application; 丝扣油脂;涂抹器;研制;应用;
- 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。
- 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。
- Get all the drilling tools unlashed. 解开所有钻具。
- Keywords Screw compressor;Rator;Damage;Repair; 螺杆压缩机;转子;损伤;修复;
- 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。
- Keywords screw compressor;oil cooler;condensator; 螺杆压缩机;油冷却器;冷凝器;
