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Type: Artigo
Title: Using simulation and production data to resolve ambiguity in interpreting 4D seismic inverted impedance in the norne field
Author: Maleki, Masoud
Davolio, Alessandra
Schiozer, Denis José
Abstract: The Norne Field started production in 1997 and up to 2006 the field experienced intense production activity, making the Norne benchmark case an ideal candidate to explore the challenges in interpreting complex time-lapse seismic data. Seismic amplitude changes and time-shifts are used as the first level approach to interpret the time-lapse differences and to update reservoir models. A common alternative is to invert the seismic data and obtain acoustic impedance variations caused by production activity, and to evaluate their possible interpretations. For this case study, we use a 4D inversion approach to invert the base (2001) and monitor (2006) seismic surveys in order to provide field-wide insights for the Norne benchmark case. We extensively interpret the observed 4D inversion anomalies and decouple, as much as possible, the effects of fluid and pressure variations, supported by production and reservoir engineering data. Moreover, we compare the inversion results with the simulation model from the Norne benchmark case to suggest areas of future modification to the simulation model. This research is intended as a resource to improve the quality of history matching or other 4D inversion methods applied to the Norne benchmark case, and to demonstrate a detailed time-lapse seismic interpretation within the reservoir segments of the Norne Field
Subject: Impedância (Eletricidade)
Country: Reino Unido
Editor: Geological Society
Rights: Fechado
Identifier DOI: 10.1144/petgeo2017-032
Date Issue: 2018
Appears in Collections:FEM - Artigos e Outros Documentos
Cepetro - Artigos e Outros Documentos

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