Method and device for analyzing dynamic factors influencing tight oil productivity
By establishing a deep reservoir tight oil capacity evaluation and prediction model, analyzing the dynamic factors of tight oil capacity in different production stages, the problem that the existing technology cannot effectively reflect the diversity of reservoir media and the complexity of fluid flow is solved, and dynamic evaluation of deep tight oil production capacity and determination of main control factors are achieved, providing technical support for the development of deep tight oil.
Patent Information
- Application Number
- CN202311251234.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-26
- Publication Date
- 2025-03-28
AI Technical Summary
The existing tight oil capacity evaluation methods cannot effectively reflect the diversity of reservoir media, the complexity of fluid flow and stage characteristics, and cannot meet the needs of dynamic tight oil capacity evaluation.
By establishing a deep reservoir tight oil capacity evaluation and prediction model, predicting the capacity under different parameters changes in a given production time based on the tight oil reservoir parameters and the deep reservoir tight oil capacity evaluation and prediction model, selecting the capacity corresponding to different production stages as calculation variables, selecting the reference standards for the capacity factors under different influencing factors based on the calculation variables, determining the capacity dynamic factors of different production stages, and conducting weight analysis to determine the main control factors of the capacity.
The capacity dynamic factors of the reservoir geological factors, fluid factors, fracturing parameters, production systems and other influencing factors at different production stages after the tight oil reservoir fracturing are realized, and the main control factors of production capacity in different production stages are determined, providing an effective technical solution for the formulation of technical policies for the development of deep tight oil development in different stages.