The paper introduces the operation situation of Jin 612-12-Xin22 multilateral well in Liaohe oilfield, including the directional milling, well path control and multilateral well completion.
介绍了辽河油田多分支井技术在锦612-12-新22分支井的钻完井施工情况，其中包括套管定向开窗技术、井身轨迹控制技术与分支井完井技术。
Completing control method of well path due to the rock characters and the interaction between bit and formation.
根据地层岩石特性及钻头与地层的相互作用关系，完成井眼轨迹控制方法。
It still is a difficult subject for most drilling engineers to predict and control well path by applying the mechanical analysis of bottom hole assembly and the rock-bit interaction model.
利用下部钻具力学分析和钻头与地层相互作用模型来预测和控制井眼轨道对于大多数钻井作业来说仍是一个难题。
World famous pneumatic parts and optical lens, laser path reflection control function as well are adopted.
国际指名光学组件和镜片，同时采用同光路反射保护功能。
Finally, in order to control the well path by dynamics, great attention should be paid to the interaction between bit and drill string.
为了实现依据钻柱动力学的井眼轨迹控制，应特别重视钻柱振动特性与钻头受力状况的相互影响。
The well path optimization and control technology applied to this well can supply valuable references to similar horizontal wells.
该井井眼轨道优化设计和井眼轨迹控制技术为类似水平井的井眼轨道设计和轨迹控制提供了有益的借鉴。
In accordance with the characteristics and coverage requirement of path coverage test as well as the graph theory, this paper presents a new program control flow diagram model.
针对路径测试的要求及其特点，结合图论的概念，提出了程序控制流程图的一种表示方法。
The steer-able rotary drilling system can control the well path timely and accurately, but it is too expensive.
旋转导向工具进行连续导向钻井具有随时可控性，轨迹控制质量高，但使用成本很高。
RSDS will control well path accurately, reduce torque and drag remarkably and improve hole cleaning condition obviously. The drilling practices of ERD will be more reliable if RSDS is used.
用旋转导向系统RSDS进行大位移井钻井，可望相当准确的控制井眼轨迹，大幅度减少钻柱所受的摩阻和扭矩，显著改善井眼的清洁状况。
It is most important to accurately determine the well bore path and effectively control the layers while horizontal well drilling.
在水平井作业过程中，准确判断井眼轨迹方向，有效控制层位尤为重要。
A reasonable well-path planning is the key to control well path successfully.
合理的井眼轨道设计是成功控制井眼轨道的关键。
A reasonable well-path planning is the key to control well path successfully.
合理的井眼轨道设计是成功控制井眼轨道的关键。
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