This presentation will review the latest results of seismic studies targeting oil and gas reservoirs in Upper Devonian reefs of Timano-Pechora Province. The results are based on a joint interpretation of 2D and 3D data in conjunction with well data. The studies were performed by PetroAliance Service Company Ltd for LUKOIL-Komi. The main goal of the studies was localization of “organogenic” objects, their structure-tectonial and lithology-facial characteristics, investigation of their litho-physical and collector properties, forecast of distribution of the aforementioned properties between wells and optimal well placement. The presentation will touch on a few particularly important problems common for such studies and will highlight methodologies of joint interpretation of 2D/3D seismic data and well data based on two individual territories. It will also highlight the importance of attribute analysis of seismic data and their inverse transform with calculation of an acoustic impedance cube. The resulting forecast is based on facial schemes constructed based on interpretation of both 2D and 3D data. 3D seismic data was used to forecast reservoir models and optimal well placement.


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