Field exploration of the in situ oxidation process due to thermal-gas effect on the Bazhen’s series deposits

Authors: А.А. Bokserman, V.N. Vlasov, A.S. Ushakova (Zarubezhneft JSC), V.I. Kokorev, O.V. Chubanov (RITEK OJSC)
The challenge of the Bazhen’s series deposits industrial development by thermal-gas method is discussed in this paper. The field exploration of thermal-gas method and laboratory were made before the pilot project performance. The composition history of gas and oil phases during the air injection period is presented. In-situ oxidation process due to thermal-gas effect is confirmed by the field investigations. One of the most significant results is the absence of the oxygen in associated gas which proves the fail-safety of further pilot project performance.
The challenge of the Bazhen’s series deposits industrial development by thermal-gas method is discussed in this paper. The field exploration of thermal-gas method and laboratory were made before the pilot project performance. The composition history of gas and oil phases during the air injection period is presented. In-situ oxidation process due to thermal-gas effect is confirmed by the field investigations. One of the most significant results is the absence of the oxygen in associated gas which proves the fail-safety of further pilot project performance.


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