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钻分级注水泥器井口改进装置及应用

Enshun PING,Yuzhou LIU,Lin WANG,Jianhua ZHANG,Nan LI,Qi HUANG,Qiujun REN

Petrochemical Industry Application（2016）

Cited 0|Views17
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Abstract
针对钻分级注水泥器施工过程中不能准确控制加压载荷,易造成循环过程中钻压过大,钻头进尺过慢等问题,提出了一种钻分级注水泥器井口改进装置.首先介绍了螺杆钻具的工作原理及输出特性,然后分析了螺杆钻具的基本性能,从钻压和排量两方面来考虑提出了一种井口装置改进的新方法.最后以刘7-8H井成功实践为例,表明了该方法具有较广泛的应用前景.
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