Review on the simulation of well stimulation using acidizing

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Petroleum Engineering group,, school of chemical engineering, petroleum and gas,, Iran University of Science and Technology

10.22034/ijche.2023.368571.1249

Abstract

Matrix acidizing is refered to as one of the two well-stimulation processes in which acid penetrates the rock pores at pressures below the fracturing pressure. During matrix acidizing, the acid dissolves sediments and mud solids which reduce the rock permeability. This process enlarges the reservoir's natural pores, stimulating the flow of hydrocarbons. In this article, different mechanisms of the matrix acidizing process in carbonate and sandstone reservoirs and the relevant reactions are studied. Moreover, various simulation techniques of acidizing in carbonate reservoirs are studied, including the dimensionless model, capillary tube model, network model, and continuum model. Moreover, the numerical simulation of sandstone acidizing is also discussed. Also, optimization of the acidizing process is described. In each of the sections, field studies have been investigated based on the type of subject.

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Iranian Chemical Engineering Journal

Articles in Press, Accepted Manuscript
Available Online from 05 June 2023

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