Overview of Lower Cretaceous Achimov Formation: Physical Properties and Their Distribution Pattern in West Siberian Basin, Russia

Figure 3

Geological cross-section of the Achimov Formation in the East Medwthya oil and gas field from west to east (after [13]): (1) regional clinoform borders, (2) regional clinoforms (а) Cheuskinsky and (b) Savuisky, (3) Bazhenov Fm., (4) silty-sandy Achimov Fm in (а) tight layers and (b) water-saturated layers and oil and gas reservoirs (5, 6), (5) oil, (6) gas, and (7) promising hydrocarbon traps.