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基于环状库特流的管柱下井压力分析

Yan-yu WANG,Zhi-qiang CHENG,Bao-sheng LIU

Journal of Chongqing University of Technology（2014）

Cited 23|Views1
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Abstract
在油管传输射孔(TCP)作业中,点火头压力主要根据套管中井液的静水压来计算,从而忽略了大直径管柱与套管之间明显存在的动压,这便存在提前射孔的风险.基于牛顿层流下的环状库特流理论,推导了动压与管柱几何尺寸及下放速度的解析关系式,并通过编程实现了多级管柱的动压叠加效应,指出了导致“憋压”效应的因素.
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Drilling Fluids
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