FIELD: oil-and-gas industry.
SUBSTANCE: results of seismics are used to define the volumes of geological space confined by time-important geological boundaries, surface of bedding and structural erosion unconformities and their hierarchy. Seismic-stratigraphic model of the earth's core is constructed to reconstruct the sedimentary field evolution with subsequent determination of rock properties and porosity distribution. Density model of sedimentary jacket section model is created to define hydraulic system state at definite time intervals so that abnormally high pressures are revealed. Oil-and-gas deposits are revealed from abnormally high pressure distribution and variation pattern.
EFFECT: higher efficiency of forecast.
7 dwg
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Authors
Dates
2014-12-20—Published
2012-07-16—Filed