Fine reservoir characterization and capacity splitting of facies controlled oil reservoir in mature petroleum exploration areas

doi:10.3969/j.issn.1672-7703.2022.03.006

Abstract

Abstract: Based on the sedimentary characteristics of single sand body, the lateral and vertical sand body architecture relationships of meandering river and delta distributary channel facies are established, as well as their corresponding logging identification marks. The characterization methods of reservoir architecture of meandering river and delta distributary channel facies are analyzed and quantitative calculations on the scale of lateral accretion bodies and the occurrence of foreset and lateral accretion layers are conducted by using multiple methods, so as to describe the internal architecture of single sand body. The architecture modeling method constrained by multi-level architecture interface is researched. Different from the conventional methods constrained by grid, multi-level interface constraint and heterogeneous grid technology are integrated in this method to achieve the fine characterization of the architecture level interlayer with a small number of grids. In addition, the conventional capacity splitting methods are analyzed to identify the elements for capacity splitting of single sand body, and a multi-parameter capacity splitting scheme is proposed, which provides technical and theoretical support for the formulation of potential tapping schemes of oil fields in the future.

CLC Number:

TE122.11

Bao Zhidong, Li Zhongcheng, Chen Li, Wu Fan, Niu Bo, Wei Zhaosheng, Wang Zhenjun, Feng Congjun, Zhou Xinmao, Zhang Li, Zang Dongsheng, Li Quanquan, Liu Rui, Wan Pu, Li Lei. Fine reservoir characterization and capacity splitting of facies controlled oil reservoir in mature petroleum exploration areas[J]. China Petroleum Exploration, 2022, 27(3): 61-77.

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