Unconventional SIG: Application of Geostatistical Seismic Inversion in the Meramec formation... - Feb 6th
Complete Title: Application of Geostatistical Seismic Inversion in the Meramec formation in the STACK play of the Anadarko Basin Sponsored by TGS
Meeting Location:
TGS
10451 Clay Rd
Houston, TX 77041-8753
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Speaker: Bertrand Six, CGG
This study focuses on characterizing the Meramec Formation, located within the STACK play in the Anadarko Basin area, Oklahoma. Geologically, the Meramec interval shows a strong shift in depositional styles across the Anadarko Basin, resulting in a change from a carbonate system to a siliciclastic system. Understanding the stratigraphy and facies changes is an important factor to characterize horizontal and lateral changes between carbonate and siliciclastic intervals. The carbonates of the Mississippian are often susceptible to diagenetic alteration, resulting in high variability of porosity values laterally across the area, making correlation attempts in the area challenging throughout the Meramec formation (Shelley et al, 2017).
A high-end multi-client seismic survey combined with a geostatistical inversion approach was used to build detailed facies models and accurately predict porosity variation. Ranking of the geostatistical model based on an objective criterion identified three model scenarios of P10, P50, and P90 that helped to measure the rock quality uncertainty and de-risk drilling in particular section of interest.
Speaker Biography: Bertrand Six, CGG
Bertrand is currently working as regional technical manager in the Reservoir Characterization group of CGG in Houston, developing new workflow using Machine Learning, Rock Physics and Petrophysics in both conventional and unconventional. He has held various positions for CGG in the last 10 years in Europe, the Middle East and North America. He worked on various integrated projects from exploration in the Berkine Basin, Algeria to 4D reservoir monitoring studies in the Middle East and West Africa (Removable and PRM systems). During his 6 years in the ME, he worked closely with processors to develop integrated workflows to improve PSDM imaging using petrophysics, rock physics and regional geology as well as detailed seismic attribute interpretation for strike-slip fault identification in carbonate reservoirs. He holds a M.Sc. in Geology from LaSalle Institute, France and a M.Sc. in Petroleum Geoscience from Imperial College London.
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