The downhole closed-loop drilling technology is a new developing technology. It is indispensable to the success of extended reach well.
井下闭环钻井技术是近年来在国内外得到普遍重视的新技术，是大位移井钻井必不可少的技术。
The steering assembly is the key tool of the downhole closed-loop drilling system, and its mechanics properties are the base of downhole closed-loop control.
作为井下闭环钻井系统核心部分的下部导向钻具组合的力学特性，则成为形成井下闭环控制的基础。
Steering tools are essential part of steering drilling system and one of key factors for fulfilling downhole closed - loop drilling.
导向工具是导向钻井系统的核心，是实现井下闭环钻井的关键因素之一。
The closed loop control of the stabilizing platform on the rotary steering drilling system is the key technique of the modulating rotary steering drilling system.
旋转导向钻井工具稳定平台的闭环控制是调制式旋转导向钻井系统的关键。
Along with the unceasing increase in both displacement distance and well depth, the closed-loop control which can solve the question mentioned above has become a forward problem in drilling industry.
随着钻井的位移和井深不断增加，能够解决上述问题的井眼轨迹闭环控制已成为钻井行业的前沿课题。
CBHP, PMCD and DGD all use the closed-loop system specifically for drilling purposes and usually only when conventional methods are not applicable for technical or economic reasons.
PMCD和DGD均采用针对不同钻井目的的闭环系统，通常用于因技术或经济原因而导致常规方法不适用时的情形。
Specially it is essential to downhole closed-loop automated drilling and intelligent drilling in the future.
尤其对于导向钻井、井下闭环自动钻井以及将来的人工智能钻井更是必不可少的重要一环。
Specially it is essential to downhole closed-loop automated drilling and intelligent drilling in the future.
尤其对于导向钻井、井下闭环自动钻井以及将来的人工智能钻井更是必不可少的重要一环。
应用推荐