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Carbon Capture and Storage in Oil and Gas Reservoirs

The American Carbon Registry (ACR), a non-profit enterprise of Winrock International, welcomes feedback from its members, Project Proponents and other interested parties on a new Greenhouse Gas Emissions Reduction Measurement and Monitoring Methodology for Carbon Capture and Storage Projects in Oil and Gas Reservoirs. The methodology was authored by Blue Strategies.

Carbon capture and storage (CCS) is the capture of carbon dioxide (CO2) from industrial processes or direct air capture of atmospheric CO2, followed by compression, transport, and injection for safe, permanent storage of CO2 in deep underground geologic formations. By preventing CO2from large-scale industrial facilities from entering the atmosphere or removing CO2that currently resides in the atmosphere, CCS is a powerful tool for addressing climate change. Only anthropogenic CO2 that would otherwise be released to the atmosphere under business-as-usual conditions is eligible to create credits under this methodology.

The methodology applies to multiple CO2 source types, including electric power plants equipped with pre-combustion, post-combustion, or oxy-fired technologies; industrial facilities such as natural gas production, fertilizer manufacturing, ethanol production, etc; polygeneration facilities (facilities producing electricity and one or more of other commercial grade byproducts); and direct air capture (DAC) facilities. CO2 transport may be by pipeline only. While there are multiple options possible for geological storage, this methodology applies to enhanced oil and gas recovery projects only, in which CO2 is injected to enhance production from hydrocarbon-producing reservoirs or currently non-producing reservoirs. Geologic storage is defined as the placement of CO2into a subsurface formation where it will remain safely and permanently stored.

Accounting aspects of the methodology are based on the Greenhouse Gas Accounting Framework for Carbon Capture and Storage Projects, a multi-stakeholder process led by the Center for Climate and Energy Solutions, for which both ACR and Blue Strategies served as workgroup participants.

Projects using this methodology must comply with all requirements of the ACR Standard, submit a GHG Project Plan for certification by ACR, and secure independent validation and verification by an ACR-approved third-party Validation/Verification Body.

 

Process documentation:

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