Thermal-Hydraulic-Mechanical (THM) Modelling of Short-Term Gas Storage in a Depleted Gas Reservoir—A Case Study from South Germany †
Abstract
:1. Introduction
2. Methodology
2.1. Hydraulic Model
2.2. Thermal Model
2.3. Coupled Thermal-Hydraulic-Mechanical (THM) Modelling
2.3.1. Effective Stress and Poroelasticity
2.3.2. Simulation Concept and Governing Equations
2.4. ECLIPSETM_VISAGETM THM Modelling
3. Case Study
4. Modelling
4.1. Modelling Scenarios
4.2. Case A
Results
4.3. Case B
4.3.1. Results
4.3.2. Real World Cases
4.4. Case C
Results
4.5. Case D
Results
5. Thermal Analysis
6. Potential Fault Reactivation Analyses
6.1. Model Setup
6.2. Results
6.3. Safe Injection Rate for Safe Storage Capacity
6.4. Storage Capacity of Power-to-Gas and Gas-to-Power
7. Discussions
7.1. Hydraulic Model
7.2. THM Coupled Modelling
8. Conclusions
Perspectives
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Modelling Scenarios | Subdivisions | Input Parameters | ||||
---|---|---|---|---|---|---|
WBHP upper limit (MPa) | WBHP lower limit (MPa) | WGIR (m3/day) | WGPR (m3/day) | |||
Short-term (weekly) cases | Case A (with water-cut 5 m3/day) | With three wells (two vertical wells, one horizontal well) | 18.8 | 13.8 | 100,000 | 100,000 |
Case B (without limited water-cut) | With three wells (two vertical wells and one horizontal well) | 18.8 | 13.8 | 100,000 | 100,000 | |
Real-world cases | Case C (with water-cut 5 m3/day) | With one well | 18.8 | 13.8 | 100,000 | 100,000 |
Case D (without limited water-cut) | With one well | 18.8 | 13.8 | 100,000 | 100,000 |
Modelling Scenarios | Subdivisions | Results | ||
---|---|---|---|---|
Pore pressure changes | Effective stress changes | |||
Short-term (weekly) cases | Case A | With three wells (two vertical wells, one horizontal well) | +0.3 MPa +300 KPa | −0.3 MPa −300 KPa |
Case B | With three wells (two vertical wells, one horizontal well) | +0.4 MPa +400 KPa | −0.4 MPa −400 KPa | |
Real-world cases | Case C | With one well | +0.6 MPa +600 KPa | −0.6 MPa −600 KPa |
Case D | With one well | +0.6 MPa +600 KPa | −0.6 MPa −600 KPa |
m3 Natural Gas | kWh Power |
---|---|
1 | 8.816 |
0.113 | 1 |
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Zain-Ul-Abedin, M.; Henk, A. Thermal-Hydraulic-Mechanical (THM) Modelling of Short-Term Gas Storage in a Depleted Gas Reservoir—A Case Study from South Germany. Energies 2023, 16, 3389. https://doi.org/10.3390/en16083389
Zain-Ul-Abedin M, Henk A. Thermal-Hydraulic-Mechanical (THM) Modelling of Short-Term Gas Storage in a Depleted Gas Reservoir—A Case Study from South Germany. Energies. 2023; 16(8):3389. https://doi.org/10.3390/en16083389
Chicago/Turabian StyleZain-Ul-Abedin, Muhammad, and Andreas Henk. 2023. "Thermal-Hydraulic-Mechanical (THM) Modelling of Short-Term Gas Storage in a Depleted Gas Reservoir—A Case Study from South Germany" Energies 16, no. 8: 3389. https://doi.org/10.3390/en16083389