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Technology Research of the Crude Oil Dehydration and the Sewage Treatment Used in the Polymer Flooding
Author: YuJiLiang
Tutor: ZhaoXiuTai；XiaoYun
School: China University of Petroleum
Course: Petroleum and Natural Gas
Keywords: Polymer treatment agent Produced fluid containing polyethylene Demulsification and dehydration Sewage treatment Field test
CLC: TE39
Type: Master's thesis
Year: 2010
Downloads: 94
Quote: 0
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Abstract
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Huabei Oilfield polymer injection flooding blocks mined serious emulsification of liquid crude oil , oil-water separation interface unclear dehydration of crude oil and oily wastewater treatment difficulties . In view of the actual situation , to carry out dehydration research containing polymer flooding Demulsification . Developed a polymer processing and related on-site treatment process for the elimination of the Huabei Oilfield Note polymer flooding , or the polymer gel tune flooding reservoirs mined the impact of liquid polymer on the scene demulsification dehydration and sewage treatment . Different based on the recovery of the polymer concentration in the liquid , an indoor studied the influence of polymer content on site demulsification dehydration effect , determine the basic formulation of the polymer processing agent : NHS : FES : CAM = 1:3:0.05 . This formulation under conditions of 30 ~ 60 ℃ , the reaction time is 0.5 to 1H , site different concentrations can be , different types of containing poly recovery solution viscosity reduced to close to the viscosity of water , not sensitive to the oil property , a broad spectrum of does not change the on-site with demulsifier case , which can effectively improve the demulsification of produced liquid dehydration and the effects of sewage treatment and smaller field devices corrosive . The polymer treatment agent is applied in the field and achieve better results .
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CLC: > Industrial Technology > Oil and gas industry > Oil and gas development and mining > Oil field of Applied Chemistry
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