Integrated Geology-Engineering Approach for Fracturing-Flooding Parameter Optimization in Low-Permeability Reservoirs

Le résumé fourni par la source

The development of low-permeability reservoirs faces challenges such as low water injection efficiency and poor pressure transmission. Fracturing-Flooding technology enhances reservoir seepage capacity and effectively replenishes formation energy through high-pressure, large-volume fluid injection. This study employs an integrated geological and engineering approach, combining geological modeling, fracture propagation simulation, and reservoir numerical simulation to optimize Fracturing-Flooding parameters. Results demonstrate the following optimized parameters for the Y well group: Fracturing-Flooding water injection volume of 3.5×10⁴ m³, injection rate of 1.3–1.6 m³/min, post-fracturing shut-in period of 30–40 days, production pressure difference of 8–12 MPa, and injection-production ratio of 0.9–1.1.

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