RESEARCH ARTICLE


Properties Evaluation and Application of Organic Amine Inhibitor on the Properties of Drilling Fluids



Kaihe Lv*, Hanyi Zhong, Guanlong Ren, Yuxia Liu
School of Petroleum Engineering, China University of Petroleum, Qingdao, 266580, China.


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© Lv et al.;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the School of Petroleum Engineering, China University of Petroleum, Qingdao, 266580, China.


Abstract

An organic amine inhibitor was developed and evaluated. Experimental results showed that the organic amine inhibitor could decrease the surface tension to 50mN/m and had a little effect on the Zeta potential of clay. The inhibitor could effectively inhibit the dispersion of core and cuttings and had a lasting strong inhibition. The inhibitor had good compatibility with common drilling fluid, and it was useful to maintain drilling fluid stability under high temperature and could improve the filtration property of drilling fluid.

Keywords: Drilling fluids, inhibitive properties, mechanism.