Sedimentation Environments and Reservoir Properties of the Fanar Horizon of the Lower Cretaceous of the Northwest Caucasus

The results of a comprehensive study of the deposits of the Fanar horizon of the Lower Cretaceous of the Northwest Caucasus are presented, which have made it possible to establish the conditions of their formation and the source areas of clastic material. It has been revealed that the studied territory was a frontal area of the delta, in which sandy and sandy-clay deposits accumulated in separate distributing channels. The sandstones of the horizon have good reservoir properties with a porosity coefficient (Kp) of up to 21.3%.