Modifications to the Kozeny–Carman model to enhance petrophysical relationships

Autor:	Amir Maher Sayed Lala
Rok vydání:	2018
Předmět:	Pore size 010504 meteorology & atmospheric sciences Petrophysics Mineralogy Geology 010502 geochemistry & geophysics 01 natural sciences Tortuosity Grain size Permeability (earth sciences) Geophysics Porosity 0105 earth and related environmental sciences
Zdroj:	Exploration Geophysics. 49:553-558
ISSN:	1834-7533 0812-3985
DOI:	10.1071/eg17015
Popis:	The most commonly used relationship that relates permeability, porosity, grain size and tortuosity is the Kozeny–Carman equation. When it is used to estimate the permeability behaviour versus porosity, the other two parameters (the grain size and tortuosity) are usually kept constant. In this study, we investigate the deficiency of the Kozeny–Carman assumption and the alternative derived equations for the Kozeny–Carman equation is presented, including equations where the grain size is replaced with the pore size with varying tortuosity. We also introduce relationships for the permeability of shaly sand reservoir that answer the approximately linear permeability decreases in the log-linear permeability–porosity relationships in datasets from different locations.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::60b406cb54ead88140b15c8c1d925fdb https://doi.org/10.1071/eg17015 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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