CONCEPTUAL, METHODICAL, AND PROCEDURAL ISSUES OF PARAMETRIC DRILLING DATA PROCESSING FROM POORLY EXPLORED TERRITORIES OF EAST SIBERIA

L. M. Doroginitskaya, O. V. Shiganova

Siberian Research Institute of Geology, Geophysics and Mineral Resources, Novosibirsk, Russia

Oil and gas reservoirs of East-Siberian fields are complex. They formed due to post-sedimentation geochemical alteration of carbonaceous sediments and multiple distressing after consolidation, with fracturing of various dimensions. The estimate of reservoir – non-reservoir border values for carbonaceous rocks from petrophysical parameters only of the matrix and only after target selection results in the fact that the testing outcome and the actual reservoir properties mismatch. The experience in working with core obtained from parametric wells has shown that it is impossible to construct a conditional model of a geological section by studying the core by a pre-scheduled scope of laboratory methods and by processing the data with the construction of conventional core-core and core-log models. For poorly explored areas of East Siberia, we need unconventional solutions and integrated processing of parametric drilling data.

Keywords: confidence tying of core and log data, carbonate reservoir, lithotypes of rocks in logs, state of stress, borehole surrounding space, inflow.

DOI 10.20403/2078-0575-2017-6s-80-92