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Pressure prediction: analysis of well-log and seismic data (view source)
Revision as of 13:06, 10 August 2015
, 13:06, 10 August 2015→Travel time from sonic logs
==Travel time from sonic logs==
==Travel time from sonic logs==
[[file:formation-fluid-pressure-and-its-application_fig5-21.png|thumb|300px|{{figure number|2}}Sonic travel time varies with measured pressure. From Powley;<ref name=ch05r14>Powley, D., E., 1990, Pressures and hydrogeology in petroleum basins: Earth Science Reviews, vol. 29, p. 215–226.</ref> courtesy Earth Science Reviews.]]
[[file:formation-fluid-pressure-and-its-application_fig5-21.png|thumb|300px|{{figure number|2}}Sonic travel time varies with measured pressure. From Powley;<ref name=ch05r14>Powley, D. E., 1990, Pressures and hydrogeology in petroleum basins: Earth Science Reviews, vol. 29, p. 215–226.</ref> courtesy Earth Science Reviews.]]
In some places, an empirical relation can be established to predict pore pressure from well logs. [[:file:formation-fluid-pressure-and-its-application_fig5-21.png|Figure 2]] shows sonic travel time varying with measured pressure.
In some places, an empirical relation can be established to predict pore pressure from well logs. [[:file:formation-fluid-pressure-and-its-application_fig5-21.png|Figure 2]] shows sonic travel time varying with measured pressure.