Definition:
A process in which acid gases, primarily CO₂ and H₂S, are compressed and injected into underground formations for disposal or enhanced oil recovery (EOR).
Key Components:
- Compression Unit: Increases gas pressure for injection.
- Wellbore Injection System: Transports acid gas into subsurface formations.
- Reservoir Monitoring: Ensures stable and secure storage of injected gas.
Use Cases/Industries:
- Oil & Gas Production: Enhances oil recovery by re-pressurizing reservoirs.
- Carbon Capture & Storage (CCS): Mitigates CO₂ emissions from processing plants.
- Sulfur Management: Reduces the environmental impact of acid gas emissions.
Advantages:
- Environmental Protection: Reduces greenhouse gas emissions.
- EOR Benefits: Increases oil extraction efficiency.
- Safe Disposal: Prevents release of harmful gases into the atmosphere.
Challenges:
- Subsurface Risks: Potential for unintended gas migration.
- Regulatory Approval: Must meet strict environmental guidelines.
- High Costs: Significant investment in compression and monitoring systems.
Related Terms:
Carbon Sequestration, Gas Disposal, Enhanced Oil Recovery
Example:
An oil field injects CO₂ from a gas processing plant into a depleted reservoir to increase oil recovery while reducing emissions.
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Synonyms:
COâ‚‚ Sequestration, Gas Reinjection, Acid Gas Disposal
