火成岩储层物性参数模型及油层判识——以准噶尔盆地车排子凸起石炭系为例

doi:10.11743/ogg20180112

Abstract

Abstract: Igneous rock oil reservoir distributed in the Carboniferous system of Chepaizi uplift in the Junggar Basin, but its reservoir lithology and petrophysical characteristics is very complex.Firstly, taking method of petrology, lithology identification, core measurement, oil testing, imaging and conventional logging, the pore and fracture characteristics of the igneous rock reservoir were summarized.The total petrophysical property is the matrix porosity, permeability and porosity.The total permeability of the reservoir is contributed by both fracture permeability and matrix permeability, while the permeability of un-fractured reservoir roughly equals matrix permeability.Secondly, using tri-porosity curve regression and FMI effective fracture identification with the constraints from core measurement, a model have been established to calculate the physical parameters of matrix, fracture and bulk reservoir of the igneous rock.Data is compared with core measurements.The model is proved to be reasonable and practical when applied to igneous rock reservoir physical property evaluation in the Chepaizi Uplift.This method can also be used to evaluate other areas.At last, based on the model of reservoir physical parameter, together with analysis on drilling, mud logging and oil testing data, a standard for igneous rock oil reservoir diagnose in the Chepaizi Uplift has been established.

Key words: reservoir physical parameter, logging interpretation model, oil reservoir identification, igneous rock, Chepaizi Uplift, Junggar Basin

CLC Number:

TE122.2

Zhu Yong, Yu Yixin, Wang Shuang, Wang Yong. Investigation of igneous rock reservoir petrophysical parameter model and oil reservoir identification standard: A case study on the Carboniferous samples of the Chepaizi Uplift in the Junggar Basin[J]. Oil & Gas Geology, 2018, 39(1): 119-128.

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Investigation of igneous rock reservoir petrophysical parameter model and oil reservoir identification standard: A case study on the Carboniferous samples of the Chepaizi Uplift in the Junggar Basin

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