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Pressure Transient Analysis and Transient Inflow Performance Relationship of Multiple-Fractured Horizontal Wells in
Huizhu Xiang1, Guoqing Han1, Gaoqiang Ma1
1State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum-Beijing, 18 Fuxue Road, Changping District, Beijing 102249, China.
ACS Omega
|August 2, 2021
Summary
A new composite dual-porosity trilinear flow model analyzes naturally fractured reservoirs for horizontal wells. This model generates transient inflow performance relationships (IPRs), aiding in understanding reservoir behavior and optimizing production.
Area of Science:
- Petroleum Engineering
- Reservoir Engineering
- Unconventional Resources
Background:
- Trilinear flow models are used for horizontal wells in unconventional reservoirs.
- Existing models often neglect well inflow performance during transient analysis.
Purpose of the Study:
- Introduce a novel composite dual-porosity trilinear flow model for multi-fractured horizontal wells in naturally fractured reservoirs.
- Analyze transient pressure behavior and generate transient inflow performance relationships (IPRs).
Main Methods:
- Derived an analytical solution under constant rate conditions.
- Utilized pressure profile plots to identify flow regimes.
- Performed sensitivity analysis on reservoir and fracture parameters.
Main Results:
- The model effectively characterizes naturally fractured reservoirs.
- Analytical solutions generate transient IPR curves for various flow regimes.
- Identified key parameters influencing pressure distribution, flow regime duration, and transient IPR.
Conclusions:
- The study provides a new model for analyzing complex fractured systems.
- Transient analysis and IPR generation offer insights into production.
- Understanding parameter impacts is crucial for optimizing well performance.
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