Bottom water gas reservoir physical simulation system and method for multi-well alternate production

By establishing a physical simulation system for bottom water gas reservoirs with multiple wells replacement production, the problem of difficulty in analyzing the impact of gas well water escape height on development effect in the existing technology is solved, and accurate analysis of gas well water escape height and effective simulation of multi-well replacement production is achieved, and the gas reservoir development strategy is optimized.

CN119712082APending Publication Date: 2025-03-28PETROCHINA CO LTD
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Patent Information

Application Number
CN202311262110.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-09-27
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The prior art is difficult to accurately analyze the impact of the gas well water escape height on the development effect of bottom water gas reservoirs, and it is impossible to effectively simulate the situation of multiple wells taking over production, resulting in severe pressure changes and fast water invasion speed, making it difficult to predict water invasion dynamics and optimize the production system.

Method used

The physical simulation system of bottom water gas reservoir produced by multiple wells is adopted. A physical simulation device is used to establish a physical model similar to the actual reservoir based on the actual parameters of the reservoir and well, and the acquisition device is used to measure the production dynamics of wells at different locations to establish the impact of the gas well water escape height on the development effect.

Benefits of technology

The accurate analysis of the impact of the gas well water escape height on the pressure, output and recovery rate during gas reservoir development is achieved, which can effectively simulate the production of multiple wells, save experimental cycles and costs, and optimize gas reservoir development strategies.

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Abstract

The invention discloses a bottom water gas reservoir physical simulation system and method for multi-well alternate production. The simulation system comprises a physical simulation device and a collection device. The physical simulation device is used for determining experimental material parameters in a physical model and position information of multiple wells according to actual parameters of a reservoir and related parameters of the production wells, and establishing the physical model for simulating multi-well alternate production according to the determined experimental material parameters and the position information of the multiple wells; and the acquisition device is used for measuring the production dynamics of the wells at different positions so as to obtain the production dynamic data of the gas production well.
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