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INVESTIGATION OF THE PERFORMANCE OF A NEW RECIPE OF SPACER FOR SEA-WATER DRILLING FLUIDS BY MEANS OF LABORATORY AND IN-SITU EXPERIMENTS
Authors
刘东清
周济福
Publication date
1 August 2007
Publisher
Abstract
前置液是影响固井质量的重要因素之一,对于海水钻井液体系,如何选用前置液是一个新的课题.提出了一种适宜于海水钻井液体系的新型前置液,对其在固井过程中的各种性能进行了室内实验研究,结果表明:新型前置液与海水钻井液、固井水泥浆及盐水等环境流体有良好的相容性,对井壁具有稳定作用,其中的固体颗粒及表面活性剂有利于冲刷海水钻井液形成的泥饼.在此基础上,将新型前置液应用于胜利油田的固井作业,进行现场试验,发现:应用新型前置液后,环空水泥浆界面清晰,混浆段长度缩短,第2界面的胶结质量有明显提高
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018