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高温高密度无黏土相钻开液室内研究

Hua Wen,Yi Chen,Lian Hou

Journal of Henan Science and Technology（2015）

Cited 0|Views12
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Abstract
传统的高密度钻井液采用膨润土来配制,高温下膨润土含量过高会过度分散,导致钻井液黏度和切力增大,膨润土含量过低会导致膨润土聚集,破坏钻井液稳定性,导致加重剂沉降,引发钻井事故.本文通过室内研究,建立了一套抗高温无黏土相甲酸盐钻开液体系,该体系具有黏度切力适中、高温稳定、抗污染能力强,有良好的抑制性等特点,酸化完井后渗透率恢复值可达94％,储层保护效果良好.
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