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Integrated Basin-scale Thermal Modeling
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 76th EAGE Conference and Exhibition 2014, Jun 2014, Volume 2014, p.1 - 5
Abstract
The spatial and temporal distribution of subsurface temperature is of major importance for the petroleum prospectivity of a sedimentary basin. The thermal history controls the maturation of source rocks and the quality of reservoir rocks. The porosity loss associated with quartz cementation is directly dependent on temperature ( Walderhaug, 1996 ).
Thermal modeling is part of basin modeling ( Allen and Allen, 2005 ). Conventional basin modeling is driven by input from the geological disciplines and geochemistry. We present an alternative integrated approach, where emphasis is put on geophysical observations. In a frontier setting, this typically includes 2D regional seismic lines and stacking velocities, gravity and magnetics, and preferably one or more wells for local calibration.
The proposed methodology is demonstrated with a case example from the northern North Sea.