«Geology, geophysics and development of oil and gas fields»

Characteristics of the geological model, assessment of oil and gas potential of the deposits of the Bazhenov (Tutleim) formation of the Sredne-Nazymskoye field in the Western Siberia

UDC: 553.98(571.1)+550.8.072+553.982.23
DOI: -

Authors:

¹ INGEOSERVICE LLC, Tyumen, Russia
² A. Trofimuk Institute of Petroleum Geology and Geophysics, Siberian branch of Russian Academy of Sciences, Tyumen, Russia
³ Tyumen Industrial University, Tyumen, Russia

Keywords: Bazhenov (Tutleim) formation, reservoir type, ridge axes, cube of standard-free seismic section typing

Annotation:

The authors of the article touch upon the problem of the mechanism of reservoirs formation and their type in the deposits of the Bazhenov (Tutleym) formation.

The data of the development of deposits of the Nizhnetutleym sub-formation were analyzed a map of the forecast distribution of average monthly sediments flow-rates with a high multiple correlation coefficient of 0,8 was obtained. Based on the results of the analysis, the wells were divided according to productivity into three classes of standards, which was later used to zone the territory according to the sediments potential degree. One of the informative stages of the work was the construction of a cube of the seismic section standard-free typing. Based on the results of standard-free classification of seismic attribute cubes, a number of classes was identified that best correlated with well productivity.

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