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Line 45: − + − In some places, an empirical relation can be established to predict pore pressure from well logs. The figure below shows sonic travel time varying with measured pressure. − + + +
Pressure prediction: analysis of well-log and seismic data (view source)
Revision as of 16:06, 25 February 2014
, 16:06, 25 February 2014→Travel lime from sonic logs
[[:file:formation-fluid-pressure-and-its-application_fig5-20.png|Figure 1]] illustrates how overpressures are interpreted from different types of well logs, as explained in the previous table.
[[:file:formation-fluid-pressure-and-its-application_fig5-20.png|Figure 1]] illustrates how overpressures are interpreted from different types of well logs, as explained in the previous table.
==Travel lime from sonic logs==
==Travel time from sonic logs==
[[file:formation-fluid-pressure-and-its-application_fig5-21.png|thumb|{{figure number|5-21}}. Copyright: Powley, 1990; courtesy Earth Science Reviews.]]
[[file:formation-fluid-pressure-and-its-application_fig5-21.png|thumb|{{figure number|2}}Sonic travel time varies with measured pressure. Copyright: Powley, 1990; 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.
==[[Synthetic seismogram]]s==
==[[Synthetic seismogram]]s==