Introduction

Geological storage of carbon dioxide (CO₂), commonly associated with carbon capture and storage (CCS), involves capturing CO₂ from industrial or energy facilities, transporting it to an appropriate location and injecting it into deep geological formations for long-term containment. In Kuwait, geological CO₂ storage is particularly relevant because of the country's petroleum-based economy, extensive subsurface geological knowledge and potential relationship between carbon-management technologies and enhanced oil recovery.

Kuwait does not currently have a single comprehensive statute dedicated exclusively to geological CO₂ storage. Regulation would therefore need to operate through the existing environmental, petroleum, industrial, land-use and infrastructure framework, supplemented where necessary by specific regulations or project approvals.

Legal foundation

Article 21 of the Constitution of Kuwait establishes that the natural wealth and resources are the property of the State. Geological formations used for petroleum operations and potential CO₂ storage therefore raise important questions concerning State control over subsurface resources.

A CO₂-storage framework must distinguish between ownership of geological resources, authorization to use underground formations, environmental responsibility and ownership of the injected CO₂.

The Environment Protection Law No. 42 of 2014, as amended, provides the principal domestic environmental framework relevant to activities that may affect land, groundwater, air and ecosystems.

Meaning of geological CO₂ storage

Geological storage generally involves four principal stages:

Capture of CO₂ from an industrial source.

Transportation through pipelines or other approved methods.

Injection into a suitable geological formation.

Monitoring and verification of long-term containment.

Potential storage formations can include deep saline formations and suitable depleted oil or gas reservoirs.

Each stage creates different legal and regulatory requirements.

Site selection and geological assessment

The selection of a storage site should be based on geological and environmental assessment.

Important considerations include:

Geological capacity.

Rock permeability.

Cap-rock integrity.

Depth.

Pressure conditions.

Existing wells.

Groundwater resources.

Seismic conditions.

Proximity to CO₂ sources.

Potential environmental impacts.

A regulatory authority should require technical evidence demonstrating that the proposed formation can safely contain injected CO₂.

Storage authorization

A dedicated CO₂-storage permit could establish the legal basis for exploration, injection and monitoring.

An authorization system could specify:

Permitted storage formation.

Maximum injection volume.

Injection pressure.

Monitoring requirements.

Duration of authorization.

Reporting obligations.

Emergency procedures.

Closure requirements.

Financial-security requirements.

The operator should not receive unrestricted rights over the subsurface formation merely because it has obtained an environmental approval.

Environmental impact assessment

CO₂ storage should be subject to environmental assessment because leakage or poorly controlled injection could create environmental risks.

Assessment should examine:

Groundwater impacts.

Soil and geological stability.

Potential leakage pathways.

Seismic risks.

Effects on existing petroleum operations.

Surface infrastructure.

Long-term containment.

Environmental approval should remain subject to monitoring throughout the storage project's operational life.

Monitoring and verification

Long-term monitoring is central to geological storage regulation.

Operators may be required to monitor:

Injection pressure.

Reservoir behaviour.

CO₂ movement.

Well integrity.

Surface conditions.

Groundwater quality.

Possible leakage.

Monitoring data should be reported to the relevant authorities and retained for an appropriate period.

Liability for leakage

One of the most important legal questions concerns responsibility if stored CO₂ escapes.

A regulatory framework should identify responsibility for:

Environmental damage.

Remediation.

Monitoring.

Third-party claims.

Regulatory penalties.

Long-term management.

The operator should normally remain responsible while it controls the storage operation. The law may establish conditions under which responsibility can subsequently transfer to the State or another designated institution.

Financial security

Because CO₂ storage creates potentially long-term obligations, operators may be required to provide financial security.

Possible mechanisms include:

Insurance.

Performance bonds.

Trust funds.

Financial guarantees.

Decommissioning reserves.

Financial security can ensure that funds remain available for remediation and monitoring even if the operator becomes insolvent.

Petroleum-sector integration

Kuwait's petroleum industry creates a possible relationship between CO₂ storage and enhanced oil recovery.

Captured CO₂ may potentially be injected into suitable petroleum reservoirs to increase oil recovery while storing carbon underground.

However, storage should not be treated merely as an incidental consequence of enhanced oil recovery. The project should demonstrate that the geological formation can safely retain the injected CO₂ and that environmental and monitoring requirements are satisfied.

Pipeline transportation

A complete CCS framework must regulate transportation between capture facilities and storage sites.

Pipeline regulation should address:

Construction.

Route approval.

Technical standards.

Pressure management.

Safety zones.

Leak detection.

Emergency response.

Maintenance.

Where transportation crosses different jurisdictions, additional regional or international rules may become relevant.

Well integrity

Injection wells are a critical part of storage safety. Existing abandoned or production wells can also represent potential leakage pathways.

Regulation should therefore require:

Proper well construction.

Cement integrity.

Pressure testing.

Periodic inspection.

Monitoring.

Safe closure and abandonment.

The existence of old petroleum wells should be considered during storage-site selection.

International comparative law

The London Protocol and related international maritime frameworks have influenced international approaches to CO₂ storage, particularly where carbon dioxide is transported or stored offshore. International instruments concerning marine pollution are relevant where geological storage could affect the marine environment.

The EU CCS Directive 2009/31/EC provides a detailed comparative regulatory model. It establishes requirements for storage-site characterization, permits, monitoring, corrective measures, closure and post-closure obligations. It is not applicable law in Kuwait but offers a useful legislative model.

Comparative case law

In Massachusetts v. Environmental Protection Agency, 549 U.S. 497 (2007), the United States Supreme Court considered the regulatory treatment of greenhouse gases under federal environmental law. Although the case did not establish a legal regime for geological CO₂ storage and is not binding in Kuwait, it demonstrates the significance of treating greenhouse-gas regulation within established environmental-law frameworks.

The comparative decision Vellore Citizens Welfare Forum v. Union of India, (1996) 5 SCC 647 recognized sustainable development and the precautionary principle. It is not binding in Kuwait but provides useful guidance for regulating technologies involving uncertain long-term environmental risks.

Precautionary principle

CO₂ storage involves long-term geological uncertainty. A precautionary regulatory approach is therefore appropriate.

Authorities can require operators to demonstrate that:

The storage formation is suitable.

Leakage risks are adequately controlled.

Monitoring systems are reliable.

Emergency measures are available.

Financial resources exist for remediation.

The precautionary approach does not necessarily prohibit new technology. Instead, it requires appropriate safeguards before large-scale deployment.

Closure and post-closure management

Storage regulation must continue after injection ends.

Closure requirements can include:

Permanent well sealing.

Continued geological monitoring.

Environmental verification.

Reporting.

Site inspection.

A legal framework should establish the conditions under which an operator may receive a formal closure certificate and when long-term responsibility may transfer to the State.

Conclusion

Geological CO₂ storage requires a comprehensive regulatory system covering the entire chain from capture and transportation to injection, monitoring, closure and long-term liability. In Kuwait, the constitutional principle of State ownership of natural resources under Article 21 and the environmental framework established by the Environment Protection Law No. 42 of 2014, as amended, provide important foundations, but a dedicated CCS regulatory framework would provide greater legal certainty.

Such a framework should establish a specialized permitting system, rigorous geological assessment, environmental-impact requirements, injection controls, monitoring and verification obligations, financial security, well-integrity standards and clearly defined liability for leakage.

The EU CCS Directive provides a particularly useful comparative legislative model, while the London Protocol demonstrates the importance of international regulation where CO₂ storage interacts with the marine environment. Comparative judicial decisions such as Massachusetts v. EPA and Vellore Citizens Welfare Forum provide broader guidance concerning greenhouse-gas regulation and precautionary environmental governance.

For Kuwait, geological CO₂ storage could potentially complement petroleum-sector decarbonization and enhanced oil-recovery activities. However, its legal development should ensure that short-term industrial benefits do not override long-term environmental responsibility. A robust system of authorization, monitoring, financial security and post-closure liability would therefore be essential for the safe and legally accountable deployment of geological CO₂ storage.