An Integrated Method of Data Mining and Flow Unit Identification for Typical Low Permeability Reservoir Prediction

Yu, Pao Shan

doi:10.4236/wjet.2019.71008

WJET

2019

DOI: 10.4236/wjet.2019.71008

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An Integrated Method of Data Mining and Flow Unit Identification for Typical Low Permeability Reservoir Prediction

Pao Shan Yu¹

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2024

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The Characterization and Application of Flow Units in Tight Reservoirs Considering Stimulation Treatments

Hou,

Liu,

et al. 2024

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Block W is a typical tight oil reservoir, generally requiring artificial fracturing to achieve productivity. Consequently, conventional reservoir flow unit studies cannot objectively characterize the properties of tight oil reservoirs after fracturing. This paper integrates both the geological features and dynamic development characteristics of Block W, using Grey Relational Analysis (GRA) to select permeability, sand body thickness, mud content, and porosity as the key static parameters for defining flow units in tight oil reservoirs. The fluid injection intensity is selected as a critical artificial fracturing parameter. Based on these static and artificial fracturing parameters, a comprehensive characterization approach, the entropy weight–AHM method, is proposed to analyze flow units in tight oil reservoirs. The reliability of this method is validated through both production dynamics and geological features. Applied to Block W, this methodology establishes an evaluation standard for the compatibility of fracturing measures with reservoir characteristics and provides directions for adjusting stimulation treatments based on the compatibility levels. The findings deepen the understanding of the geological characteristics of the Block W tight oil reservoir and offer practical guidance for subsequent development adjustments. Additionally, this study serves as a valuable reference for characterizing flow units in tight reservoirs.

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The Characterization and Application of Flow Units in Tight Reservoirs Considering Stimulation Treatments

Hou,

Liu,

et al. 2024

Processes

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show abstract

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An Integrated Method of Data Mining and Flow Unit Identification for Typical Low Permeability Reservoir Prediction

Cited by 1 publication

References 14 publications

The Characterization and Application of Flow Units in Tight Reservoirs Considering Stimulation Treatments

The Characterization and Application of Flow Units in Tight Reservoirs Considering Stimulation Treatments

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