Improvement Research of Organic Phenolic Gel being Used to be an Organic Deep Profile Control Agent

Yu Li Liu; Yi Qin

doi:10.4028/www.scientific.net/AMR.908.46

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 908Improvement Research of Organic Phenolic Gel being...

Improvement Research of Organic Phenolic Gel being Used to be an Organic Deep Profile Control Agent

Abstract:

Organic phenolic gel is commonly used to be a deep profile control agent which applies to use in the high water cut oilfields where heterogeneity is severe, improve the contradiction of inter-reservoir layer and inner layer, expand water sweeping zone, and achieve the purpose of stable oil production and water control. Organic phenolic weak gel is mainly affected by the concentration of each component and reaction temperature. In this paper, formaldehyde was replaced by urotropin, which is not only delaying the gelation time, but also avoiding pollution. In addition, a water-soluble phenolic resin oligomer has been synthesized by the method of two-step alkali catalysis with appropriate mole ratio as an auxiliary crosslinking agent. Considering the concentration of each reactant as the factor, the orthogonal experiments have been designed to optimize the traditional organic HPAM-phenolic weak gel. We have found that the optimized weak gel has a better stability, longer gelation time, better salt resistance and environment friendly. It can better meet the needs of oilfield deep profile control.

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Periodical:

Advanced Materials Research (Volume 908)

Pages:

46-50

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.908.46

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Online since:

March 2014

Authors:

Yu Li Liu, Yi Qin*

Keywords:

Deep Profile Control, Salt Resistance, Viscosity, Weakgel

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