准噶尔盆地阜东斜坡区头屯河组岩石物理相特征

doi:10.11743/ogg20180113

Abstract

Abstract: Core, thin section, logging and drilling data were integrated to study and identify sedimentary facies, diagenetic facies and pressure facies of the reservoir rocks in the Toutunhe Formation of Fudong slope area, Junggar Basin.On this basis, we divided petrophysical facies, performed comprehensive evaluation of the reservoirs, and predicted favorable reservoir development areas.A total of 15 petrophysical facies were identified according to the sedimentary faices, diagenetic facies and pressure facies.Quantitative discriminant functions were built for each of the 15 types of petrophysical facies by using GR, acoustic, density, compensated neutron and deep resistivity logs, and in combination with Fisher typical discriminant, and the correctness of the identification result was tested.The petrophysical facies of the three members in this Formation were mapped based on thin section observation.The reservoirs in the Toutunhe Formation were comprehensively evaluated and classified into four types in combination with production test results, realizing prediction of favorable reservoirs of the Toutunhe Formation.

Key words: petrophysical face, reservoir prediction, Toutunhe Formation, Fudong slope area, Junggar Basin

CLC Number:

TE121.2

Yu Jingwei, Fu Huan, Zhang Zongbin, Wu Aicheng, Liu Ni, Wen Huaguo. Petrophysical facies of Toutunhe Formation in Fudong slope area, Junggar Basin[J]. Oil & Gas Geology, 2018, 39(1): 129-139.

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Petrophysical facies of Toutunhe Formation in Fudong slope area, Junggar Basin

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