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Simulation Model Updating with Multiple 4D Seismic in a Fault-compartmentalized Norwegian Sea FieldNormal access

Authors: Z. Yin and C. MacBeth
Event name: 76th EAGE Conference and Exhibition 2014
Session: 4D Seismic in Reservoir Simulation - Closing the Loop
Publication date: 16 June 2014
DOI: 10.3997/2214-4609.20141146
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 919.5Kb )
Price: € 20

A new approach is proposed to effectively update fault transmissibility multipliers in a compartmentalized reservoir using many repeated 4D seismic monitors and historic well production data. Our philosophy avoids a time-consuming seismic history matching loop by directly updating the reservoir model using semi-quantitative information extracted from the 4D seismic to drive down the overall misfit. Two methodologies, applied in sequence, are proposed for our workflow using 4D signatures dominated by saturation changes. The first method detects the location of fault barriers and also confirms openly conducting faults. The second estimates transmissibility values for those open faults identified from the first method. Application of our proposed workflow proves that it can help to close the loop between predicted and observed data from both 4D seismic and well history.

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