RESEARCH ARTICLE


Water-Based Lubrication Preventing Side Grinding Demonstration in Medium-High Water Cut Wells



Lixia Fu*, 1, Yarong Fu1, Jun Hao1, Yunbo Shen2, Qian Fu3
1 Huabei Oilfield Company Petrochina Renqiu Hebei 062552 China;
2 Changqing Oilfield Company Petrochina Yulin Shanxi 718500 China;
3 Changcheng College China University of Geosciences, Baoding, Hebei 071000, China


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© 2013 Fu 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.

Correspondence: * Address correspondence to this author at the Huabei Oilfield Company Petrochina Renqiu Hebei 062552 China; Tel: 0317-2724207; E-mail: fulx2006@126.com


Abstract

In order to extend the pump inspection cycle of the seriously-eccentric-wear well, FU-4 water-based lubricant, which can lubricate the boundary and form chemical reaction film and chemical adsorption film on the tubing and pump sucker rods surface, is synthesized by using water-based lubrication theory for reference which has been widely applied in the fields of cutting, grinding and others fields. The chemical reaction film and chemical adsorption film formed by the response activity of phosphorus, nitrogen and fatty acid molecules in the system for the carrier function have good abrasion resistance and anti-friction performance as well as good biodegradability. Adding water-based lubricant of 0.025% to 0.05% in the wells routine maintenance may extend the pump inspection cycle of eccentric-wear side grinding wells. It provides referable technique for managing side grinding wells.

Keywords: Medium-high water cut, oil well, Water-based lubrication.