Research characteristics of fne reservoir description in middle and late oilfeld development

doi:10.3969/j.issn.1672-7703.2018.03.014

Abstract

Abstract: Fine reservoir description is the most important foundational work and should be going on with the development of oilfield. Compared with the initial stage of oilfeld development, the research content of fne reservoir description in the middle and late stages usually changes signifcantly and reflects the characteristics of emphasis, profundity and accuracy. The key researches on fne reservoir description in the middle and late stages of development are summarized into eight aspects:fine researches on small faults and microstructures, fine stratigraphic division and comparison under the guidance of high-resolution sequence stratigraphy and other theories, reservoir architecture characterization based on sedimentary microfacies, quantitative evaluation of reservoir microscopic pore structure, reservoir fluid heterogeneity, reservoir changing laws during development, geological modeling based on multi-point geostatistics, and comprehensive remaining oil description based on multiple information. Fine reservoir description in middle and late stages should focus on targeted solutions to key bottlenecks arising out of actual oilfeld development and try to provide basic data for developing the potential of remaining oil and increasing oil recovery in old oilfelds.

Key words: middle and late development, fine reservoir description, microstructure, high-resolution sequence stratigraphy, reservoir architecture, fluid heterogeneity, multi-point geostatistics, remaining oil

CLC Number:

Chen Huanqing, Zhang Hujun, Sui Yuhao. Research characteristics of fne reservoir description in middle and late oilfeld development[J]. China Petroleum Exploration, 2018, 23(3): 115-128.

References

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