Surface chemistry and rheological properties of API bentonite drilling fluid: pH effect, yield stress, zeta potential and ageing behaviour
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- 作者：Weian Huanga ; b ; Yee-Kwong Leongb ; yeekwong.leong@uwa.edu.au" class="auth_mail" title="E-mail the corresponding author ; Ting Chenc ; Pek-Ing Aub ; Xianhua Liud ; Zhengsong Qiua
- 关键词：Drilling muds ; Thixotropy ; Magnesium leaching ; Sepiolite ; Mixed clay interactions
- 刊名：Journal of Petroleum Science and Engineering
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：146
- 期：Complete
- 页码：561-569
- 全文大小：1491 K
文摘
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API Bentonite slurries displayed unusual low pH rheology.
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The yield stress and viscosity are low at low pH with a maximum located at pH 9.
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Sepiolite appeared to be responsible for the unusual rheological behaviour.
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Ageing behaviour at different pH and solids loading were modelled.