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Study on Pore Structure of Low Permeability Reservoirs With Fractal Theory

Feifei Miao

Open publisher page 1 citations

Abstract

The pore structure of reservoir rocks has important effect to oil-gas seepage and waterflood efficiency.The fractal dimension can describe quantitatively the complexity and the heterogeneity of pore structure.The results show that the reservoirs are of singular(fractal dimension 2.690 7～2.814 0)and multiple fractal(fractal dimension 2.414 8～2.995 2) natures using fractal geometric formula with two parameters.By fractal dimension as the foundation,the complexity and the heterogeneity of pore structure can quantitatively be judged according to the permeability of contribution of pore throat.

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What this paper is about

The pore structure of reservoir rocks has important effect to oil-gas seepage and waterflood efficiency.The fractal dimension can describe quantitatively the complexity and the heterogeneity of pore structure.The results show that the reservoirs are of singular(fractal dimension 2.690 7～2.814 0)and multiple fractal(fractal dimension 2.414 8～2.995 2) natures using fractal geometric formula with two parameters.By fractal dimension as the foundation,the complexity and the heterogeneity of pore structure can quantitatively be judged according to the permeability of contribution of pore throat.

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Available abstract

The pore structure of reservoir rocks has important effect to oil-gas seepage and waterflood efficiency.The fractal dimension can describe quantitatively the complexity and the heterogeneity of pore structure.The results show that the reservoirs are of singular(fractal dimension 2.690 7～2.814 0)and multiple fractal(fractal dimension 2.414 8～2.995 2) natures using fractal geometric formula with two parameters.By fractal dimension as the foundation,the complexity and the heterogeneity of pore structure can quantitatively be judged according to the permeability of contribution of pore throat.

Key concepts: Fractal dimension, Fractal, Permeability (electromagnetism), Geology, Geotechnical engineering, Mineralogy, Geometry, Mathematics

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