Nature of oils for part of Vankorskoye oilfield

Authors: I.V. Goncharov, V.V. Samoylenko, N.V. Oblasov (TomskNIPIneft JSC ), V.A. Krinin, R.A. Oshmarin (Vankorneft CJSC)
Geochemical investigations of oils, gases and Cretaceous and Jurassic rocks were performed for part of Vankorskoye oilfield. A role of different source rocks in oil and gas formation was evaluated based on Rock-Eval pyrolysis results and GC-MS analysis. It is shown that Yanovstan formation rocks were a main source for oil.

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