|Table of Contents|

Influence Factors Analysis of Permeability of Produced Waste Water Reinjection in Alkali-surfactant-polymer Flooding(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2010年第01期
Page:
89-
Research Field:
水资源与环境
Publishing date:

Info

Title:
Influence Factors Analysis of Permeability of Produced Waste Water Reinjection in Alkali-surfactant-polymer Flooding
Author(s):
YUAN Min1; 2;  JIA Zhong-wei2;  SHAO Xian-quan3;  ZHANG Xiao-lei2;  SHI Jing-ping2
(1.School of Petroleum Engineering, Daqing Petroleum Institute, Daqing 163318, Heilongjiang, China; 2.Institute of Exploration and Development, Daqing Oilfield Company, China National Petroleum Corporation, Daqing 163712, Heilongjiang, China; 3.The Second Oil Production Factory, Daqing Oilfield Company, China National Petroleum Corporation, Daqing 163414, Heilongjiang, China)
Keywords:
ASP flooding;  alkali;  suspended matter;  polymer;  waste water reinjection;  formation damage
PACS:
P641.25
DOI:
-
Abstract:
Based on the formation damage caused by produced waste water reinjection in Alkali-surfactant-polymer(ASP)flooding of Daqing oilfield, influence factors of permeability of produced waste water reinjection are studied. The influence factors of suspended matter, oil, alkali, polymer, and so on in produced waste water reinjection were analyzed, the damage mechanism of the factors on formation is explained. The result shows that suspended matter plugs pore constriction; “Jiamin effect” caused by oil increases oil and water flowing resistance; the physical chemistry reaction among alkali, stone and clay mineral make scale formation; adsorption and retention of polymer in the core decreases the permeability of reservoir. Therefore, suspended matter, oil, alkali, polymer, and so on in produced waste water reinjection should be treated before reinjection in order to reduce the formation damage.

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Last Update: 2010-03-20