Pore Pressure Prediction
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DownUnder GeoSolutions offers extensive experience in Pore Pressure Prediction, which is now integrated with our other products and software, to help our clients understand the geopressures of their prospects. |
Overpressure can arise from a number or sources including undercompaction, thermal effects, tectonic stress, clay diagenesis, charging and hydrocarbon generation. To understand the geopressure we begin with analysis of well information which allows us to establish the pressure, porosity and lithology regime at well locations. We then combine the results from various calculations from well data and calibrate to real pressure information from well pressure tests and drilling event. From this we build an accurate deterministic model of pressures in each well. Calibration of sonic data from the well to seismic velocity data then provides a means of predicting overpressure away from well control. This allows us to model overburden, pore and fracture pressures. The resulting pore pressure cube and target well pressure models allow for better well planning and prediction of overpressure.
Our service offers:
· Prospect pore pressure and fracture gradient prediction
· Integrated engineering, well log, seismic and geological interpretation
· Seal analysis including centroid effects
· Pore pressure volumes and target well models
3D image of pore pressure gradient