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Apr 14, 2024

‍Understanding EPA's Subpart OOOOb: New Methane Emission Regulations for Oil and Gas Sources

Policy

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Overview

The Environmental Protection Agency (EPA) has introduced a pivotal regulation, 40 CFR Part 60, Subpart OOOOb, effective May 7, 2024. This regulation targets greenhouse gas (GHG) and volatile organic compound (VOC) emissions from new, modified, and reconstructed sources within the oil and natural gas sector. Key areas of focus include well sites and facilities engaged in production, processing, transmission, and storage. The regulation emphasizes the adoption of advanced technologies for pneumatic controllers and pumps, promising significant reductions in emissions.

Eligibility Criteria

"New" facilities refer to those in the crude oil and natural gas sectors that commenced construction post-December 6, 2022, marking the beginning of significant onsite activities. "Reconstructed" facilities are those that have undergone major rebuilding after this date, where the reconstruction costs exceed 50% of the capital cost of a new, similar facility. These definitions are crucial for deciding who needs to comply with the tough emission standards.

Focus on Equipment

Pneumatic controllers, which regulate variables like pressure and fluid levels, and are traditionally high emitters of methane and VOCs, must now meet a zero-emissions standard. Similarly, pumps, vital for fluid movement, must adopt best management practices and implement leak detection and repair programs to minimize emissions.

Compliance Timeline

Operators need to assess their current equipment and transition to compliant units before the May 2024 deadline. This period of evaluation and upgrading is vital for aligning with environmental standards and enhancing operational efficiencies.

Conclusion

EPA’s Subpart OOOOb sets forth robust measures to reduce emissions in the oil and gas industry, focusing on pneumatic controllers and pumps. Adherence to these rules not only ensures compliance but also drives operational improvements and environmental stewardship.

Key Highlights

  • Effective Date: Regulations start on May 7, 2024.
  • Scope: Targets new, modified, and reconstructed oil and gas operations.
  • Key Equipment: Focus on pneumatic controllers and pumps with strict zero-emission and leak repair standards.
  • Eligibility: Applies to facilities constructed or significantly rebuilt after December 6, 2022.
  • Compliance Urgency: Immediate action required for equipment assessment and upgrades to meet the 2024 deadline.
  • Environmental and Operational Benefits: Promotes cleaner technologies and operational efficiencies.
April 14, 2024
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