Experimental Research on Profile Control Technology Using Sewage Flowed Back from Injecting-Polymer Wells

Zhi Feng Cai; Guang Sheng Cao; Shao Wei Cheng

doi:10.4028/www.scientific.net/AMR.550-553.2112

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 550-553Experimental Research on Profile Control...

Experimental Research on Profile Control Technology Using Sewage Flowed Back from Injecting-Polymer Wells

Abstract:

With the amount of injecting-polymer wells in Xingnan SS block of Daqing Oilfield increasing gradually, a lot of problems, such as the treatment and use of sewage flowed back from injecting-polymer wells, need to be solved. The concentrations of gelling agent, cross-linking agent, and regulators have been optimized by measuring gelling strength and gelling time. The additives about pH modifier and deoxidizer have been selected. As a result, the formula system of profile control using sewage flowed back from injecting-polymer wells has been formed, realizing reuse of sewage, reaching the goal of improving oil recovery. The research in this paper not only solves the problem of re-injecting sewage flowed back from injecting-polymer wells, making full use of resources, but saves costs, improving economic benefits.

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Periodical:

Advanced Materials Research (Volumes 550-553)

Pages:

2112-2116

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.2112

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Online since:

July 2012

Authors:

Zhi Feng Cai*, Guang Sheng Cao, Shao Wei Cheng

Keywords:

Profile Control, Sewage Flowed Back from Injecting-Polymer Wells, Solarization, Xingnan

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