Study on Reaction Kinetics Behaviors of New Cross-Linked Acid with Dolomite

Abstract

Abstract: Based on the reaction kinetics models between acid and dolomite under the control of temperature, integrated with newly developed cross-linked acid system, the experimental research is conducted. The testing principle and method for reaction kinetics behaviors between acid and dolomite are presented and tested. The related parameters and equations on them in different conditions are obtained. The correlation of field common acid and gelled acid with dolomite is made in the same testing condition. It is concluded that such reaction kinetics behaviors as low reaction rate and low effective mass transfer coefficient of the cross-linked acid will be favorable for reducing the acid filtration loss for the purpose of deep acid fracturing treatment.

Key words: acidizing, dolomite, cross linking, test, reaction rate, kinetics

CLC Number:

TE357.2

W ANG Hai-tao, YI Xiang-yi, LI Xiang-fang, LU Yuan. Study on Reaction Kinetics Behaviors of New Cross-Linked Acid with Dolomite[J]. Xinjiang Petroleum Geology, 2009, 30(3): 346-348.

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Study on Reaction Kinetics Behaviors of New Cross-Linked Acid with Dolomite

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