Seismic Forward Modeling in a Chalk Reservoir with Permanent Monitoring

A-16 SEISMIC FORWARD MODELING IN A CHALK RESERVOIR WITH PERMANENT MONITORING Abstract Advances in the last decade of time-lapse seismic technologies have developed a better understanding of the controlling parameters in seismic imaging repeatability and rock properties. This paper presents the seismic modeling element of a feasibility study for a permanent seabed 4C installation over Valhall a North Sea chalk field. Such a permanent installation allows for ‘acquisition on demand’ whose timing is driven by the dynamic changes in the reservoir. 1 An initial feasibility study addressed whether the expected reservoir depletion and subsequent water flood would generate a detectable