Ultra-large type true triaxial hydraulic fracturing fracture evolution path prediction method and system
By using a multi-scale coupled geomechanical numerical model and real-time data optimization, the problem of hydraulic fracturing fracture network modeling was solved, enabling more efficient and safer oil and gas extraction.
CN121435554AActive Publication Date: 2026-01-30KARAMAY BAIJIANTAN DISTRICT (KARAMAY HIGH TECH ZONE) PETROLEUM ENG FIELD (PILOT) LAB +2
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Patent Information
- Application Number
- CN202512028244.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-30
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2045-12-30
AI Technical Summary
Technical Problem
Existing technologies struggle to accurately model and describe hydraulic fracturing fracture networks, making hydraulic fracturing design optimization difficult and impacting oil and gas extraction efficiency and costs.
Method used
A multi-scale coupled geomechanical numerical model is adopted, combined with real-time monitoring data, and cross-scale data interaction is carried out through a fluid-structure interaction framework to optimize model parameters in real time and predict fracture evolution paths and propagation modes.
Benefits of technology
It improved fracture permeability, optimized hydraulic fracturing parameter design, reduced prediction errors and risks, and improved oil and gas extraction efficiency and safety.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to the technical field of oil and gas field development, and discloses an ultra-large type true triaxial hydraulic fracturing fracture evolution path prediction method and system.The prediction method comprises the steps that a coupling geomechanical model integrating microscopic, macroscopic and wellbore flow scales is constructed; initializing the model and performing crack initial expansion simulation; collecting construction data in real time, and dynamically optimizing model parameters through a data assimilation algorithm; performing fracture evolution advanced prediction by using the updated model; and generating an optimization decision based on the prediction result and feeding back to the construction site. According to the method, fusion of a multi-scale physical mechanism and real-time dynamic prediction is realized, and accurate prediction and active control can be performed on crack expansion under the ultra-large true triaxial condition.
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