Cleanup characteristics and mechanisms of reversible invert emulsion drilling fluid
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- 作者：Yanjun Rena ; yanjun_Ada@163.com" class="auth_mail" title="E-mail the corresponding author ; Guancheng Jianga ; Fengxia Lib ; lfx924@126.com" class="auth_mail" title="E-mail the corresponding author ; Haobo Zhouc ; Yuxiu Ana
- 关键词：Mud cleanup ; PH-responsive ; interfacial behavior ; emulsion inversion ; wettability reversal
- 刊名：Journal of Petroleum Science and Engineering
- 出版年：2015
- 出版时间：September 2015
- 年：2015
- 卷：133
- 期：Complete
- 页码：296-303
- 全文大小：1528 K
文摘
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The completion performance of RIEMs varies with pH conditions.
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pH 4–6 benefit the removal of RIEMs but damage the return permeability.
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pH 10 can restore a water-wet condition of a well drilled by RIEMs.
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The interfacial behaviors of emulsifiers control the completion performance of RIEMs.
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The pH-dependent chemical states of emulsifiers control their interfacial behavior.