Sedimentation Control over the Oil and Gas Contents in the Cretaceous Deposits of the Russkoe-Chaselka Mega-Arch (West Siberian Oil and Gas Basin)

摘要

Most of the hydrocarbon resources of the Russkoe-Chaselka Mega-Arch are related to the Pokur Formation reservoirs. They are generally composed of alluvial sandstones and shales. Due to their genesis the Pokur reservoirs have a complex structure and a localized spread within ancient alluvial plains. The performed integrated interpretation of the well and 3D seismic data made it possible to estimate new perspective fields and to geometrize the oil and gas deposits.