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Sandstone permeability prediction from texture (view source)
Revision as of 17:07, 18 February 2014
, 17:07, 18 February 2014→Effects of texture
==Effects of texture==
==Effects of texture==
[[file:predicting-reservoir-system-quality-and-performance_fig9-60.png|thumb|{{figure number|1}}From .<ref name=ch09r11>Coalson, E., B., Hartmann, D., J., Thomas, J., B., 1990, Applied Petrophysics in Exploration and Exploitation: Notes from short course sponsored by Univ. of Colo.–Denver, var. pages.</ref>]]
Sandstone texture affects permeability as follows:
Sandstone texture affects permeability as follows:
* Increasing grain rounding increases permeability.
* Increasing grain rounding increases permeability.
[[:file:predicting-reservoir-system-quality-and-performance_fig9-60.png|Figure 1]] shows how grain size affects permeability and [[porosity]].
[[file:predicting-reservoir-system-quality-and-performance_fig9-60.png|thumb|{{figure number|9-60}}From .<ref name=ch09r11>Coalson, E., B., Hartmann, D., J., Thomas, J., B., 1990, Applied Petrophysics in Exploration and Exploitation: Notes from short course sponsored by Univ. of Colo.–Denver, var. pages.</ref>]]
==Rules of thumb for gas vs. oil==
==Rules of thumb for gas vs. oil==