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Static gas pressure gradient estimation (view source)
Revision as of 14:07, 23 July 2014
, 14:07, 23 July 2014→Procedure: estimating gas pressure gradient
==Procedure: estimating gas pressure gradient==
==Procedure: estimating gas pressure gradient==
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file:formation-fluid-pressure-and-its-application_fig5-8.png|{{figure number|1}}Pseudoreduced temperature and pressure.
file:formation-fluid-pressure-and-its-application_fig5-8.png|{{figure number|1}}Pseudoreduced temperature and pressure. From Schowalter, 1979; courtesy AAPG.
file:formation-fluid-pressure-and-its-application_fig5-9.png|{{figure number|2}}Estimate compressibility factor, ''z''.
file:formation-fluid-pressure-and-its-application_fig5-9.png|{{figure number|2}}Estimate compressibility factor, ''z''. From Schowalter, 1979; courtesy AAPG.
file:formation-fluid-pressure-and-its-application_fig5-10.png|{{figure number|3}}Estimate gas density.
file:formation-fluid-pressure-and-its-application_fig5-10.png|{{figure number|3}}Estimate gas density. From Schowalter, 1979; courtesy AAPG.
file:formation-fluid-pressure-and-its-application_fig5-11.png|{{figure number|4}}Average gas chart. Copyright: Gearhart-Owens, 1970.{{citation needed}}
file:formation-fluid-pressure-and-its-application_fig5-11.png|{{figure number|4}}Average gas chart. Copyright: Gearhart-Owens, 1970.{{citation needed}}
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