What is it about?
I present the theoretical and empirical genesis of a linear relationship between rock reciprocal velocity and porosity (a.k.a. the general linear form - GLF) that is superior to other velocity-porosity relationships commonly used in the oil and gas industry. I demonstrate practical applications of the equation and the equations future research potential in quantitative reservoir characterization, formation evaluation and rock physics.
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Why is it important?
1) It is simple and easy to manipulate mathematically. 2) It is valid for both P-wave and S-wave velocities. 3) The slope and intercept terms contain geology-dependent coefficients that can be determined graphically and used to discriminate clastic and carbonate reservoirs and pore fluids.
Perspectives
I am highly excited at the publication of this paper in a high-impact journal where it will receive international visibility. With the GLF as a foundation, I can confidently develop multiple interrelations between rock property measurements and predictive models that enforce petrophysical constraints in predictive and quantitative reservoir characterization. Immediate projects include petrophysical definitions of P-wave and S-wave impedance that connect elastic properties recovered from seismic inversion to reservoir properties.
KILLIAN IKWUAKOR
PEER Research Ltd.
Read the Original
This page is a summary of: Reciprocal velocity-porosity general linear form provides consistent and systematic industry-wide applications, Interpretation, September 2019, Society of Exploration Geophysicists,
DOI: 10.1190/int-2018-0214.1.
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