Features of a geological structure and conditions of formation of Neocomian sediments in the West of the Surgut arch

Authors: E.B. Topychkanova, S.A. Ermakova, O.A. Zorina (SurgutNIPIneft)
Features of a geological structure and conditions of formation of sandstones of strip-like oil-bearing zone, extended for hundreds of kilometers along the Surgut arch western periphery, connected with Neokomian clinoforms, are considered.The technique of mapping operation and geological modeling of structurally complex hydrocarbon accumulations on the basis of complexation of data of drilling, well survey, core sample studying are shown. Mechanism of development of reservoirs, changes of their properties both laterally, and vertically are revealed.


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