Estimated Fluid Contact Using Material Balance Technique ...

Panteha Ghahri Guillaume Berthereau Estimated Fluid Contact Using Material Balance Technique & volumetric calculation improves reservoir management Plan 1 Objective Gryphon reservoir -Overview The proposed approach( Material Balance Modelling & volumetric calculation ) Comparison the calculated Fluid contacts with 4D seismic and simulation model 2 Outline Estimate WOC & GOC for Gryphon area Using an analytical approach Direct measurement of the Fluid contacts is costly and sometimes can be very challenging. It is also useful to validate the simulation model 3 Objective Production started from 1993 Original oil column 190 ft Heavy Oil (21 deg API) Viscous oil (6 cP) Long tail end production at high watercut Long term plan to produce across a floating facility (first permanently moored FPSO) Developed exclusively with horizontal production wells Aquifer well to provide compatible injection water/large connected aquifer Water & gas much more mobile than the oil in the reservoir 4 Gryphon reservoir overview Gas+ Oil Production Gas Injection Aquifer Influx + Water Injection Very Limited/Aquifer Index WOC GOC WOC GOC The Original Oil Rim Thickness Gas+ Oil Production (Gas Movement) Moved GOC Moved WOC Moved GOC Mo

Panteha Ghahri Guillaume Berthereau Estimated Fluid Contact Using Material Balance Technique & Volumetric Calculation Improves Reservoir Management Plan

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  Management, Improves, Reservoir, Technique, Calculation, Volumetric, Technique amp volumetric calculation improves reservoir management

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