Iranian Chemical Engineering Journal

Iranian Chemical Engineering Journal

A Review of Acidizing Simulation Algorithms for Well Stimulation

Authors
1 M. Sc. Student Petroleum Engineering, Iran University of Science and Technology
2 Assistant Professor of Petroleum Engineering, Iran University of Science and Technology
Abstract
Matrix acidizing refers to 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 natural pores of the reservoir that stimulates the flow of hydrocarbons. In this article, different mechanisms of 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, numerical silulation 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.
Keywords
Subjects

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