Efficiency of Seismic Prospecting in the Northern Regions of Western Siberia

P238 EFFICIENCY OF SEISMIC PROSPECTING IN THE NORTHERN REGIONS OF WESTERN SIBERIA Introduction 1 VLADISLAV I.KUZNETSOV YURI A. KURYANOV and VICTOR P. TORGASHOV Tyumenneftegeophysika JSC 173 Respubliki str Tyumen 625023 Russia Seismic studies in Western Siberia are mainly aimed at additional exploration of producing and produce-tobe oil fields as well as at investigation of peripheral parts of the fields and adjacent territories. The objectives of the works have been to study and define geologic structure to reveal and prepare structural and non-structural objects and to specify external contours of prominent deposit oil content. The study comprises Prejurassic Lower Middle Jurassic