RESEARCH ARTICLE


Experimental Study on Downhole Oil-water Separation Hydrocyclone



Xu Yan, Yuan Lin, Wang Zunce*, Li Sen, Zhang Jinglong, Ke Lin
Mechanical Science and Engineering College, Northeast Petroleum University, Daqing, Heilongjiang, 163318, P.R. China.


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© 2015 Zunce 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 Mechanical Science and Engineering College, Northeast Petroleum University, Daqing, Heilongjiang, 163318, P.R. China.


Abstract

In the process of downhole oil-water separation, the traditional liquid-liquid separation hydrocyclone (LLSH) is used in conjunction with screw pumps, which makes the hydrocyclone rotating around its own axis. The rotation of wall of hydrocyclone affects its internal flow characteristics and separation properties directly. The orthogonal experiment of the downhole oil-water separation hydrocyclone (DOWSH) is designed to analyze the effect of flowrate, rotating speed and split ratio on separation efficiency and pressure drop, The primary and secondary factors of operation parameters have been studied, and the optimum condition and reasonable working range of DOWSH have been obtained. It provides reliable basis for process of practical application of DOWSH􀀁so as to guide the production.

Keywords: Downhole oil-water separation hydrocyclone, orthogonal experiment, rotating speed.