Evaluation Method for Flow Field Adaptability in High-Water-Cut Reservoirs

By establishing a high-water reservoir flow field adaptation evaluation method, including numerical simulation model and evaluation index calculation, the problem of immature evaluation method for high-water reservoir flow field adaptation is solved, and quantitative evaluation of reservoir development status and optimization of development parameters are realized.

CN111563654BActive Publication Date: 2025-07-01CHINA PETROLEUM & CHEMICAL CORP +1
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Patent Information

Application Number
CN202010262704.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-04-03
Publication Date
2025-07-01
Estimated Expiration
2040-04-03

AI Technical Summary

Technical Problem

The flow field adaptability evaluation method of high-water reservoirs is immature, resulting in inefficient oil field development results and lack of systematic theoretical system and flow field evaluation indicators.

Method used

Establish a method for flow field adaptability evaluation of high-water reservoirs, including establishing a numerical simulation model of the reservoir, obtaining evaluation parameters, calculating flow field adaptability evaluation indicators, and finding the optimal regulation plan for the reservoir.

Benefits of technology

Quantitative evaluation of reservoir development status has been achieved, development parameters have been optimized, recovery has been improved, and the basis for reservoir development adjustment in high-water content stages has been provided.

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Abstract

The present invention provides a method for evaluating the flow field adaptability of a high water cut reservoir. The method for evaluating the flow field adaptability of a high water cut reservoir includes: Step 1, establishing a numerical simulation model of the reservoir and obtaining evaluation parameters; Step 2, performing data preprocessing; Step 3, calculating the evaluation index for the flow field adaptability of a high water cut reservoir; Step 4, finding the optimal regulation plan for the reservoir. The method for evaluating the flow field adaptability of a high water cut reservoir can accurately understand the development laws and development status of oilfields in the ultra-high water cut development stage, propose a set of systematic evaluation indexes and evaluation criteria, establish an evaluation system, effectively determine whether the current development plan is reasonable, so as to find out the main factors restricting the development effect of the oilfield at this stage, and provide a basis for the development adjustment of the reservoir in the high water cut stage.
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