State Legislatures

Montana Rules Regarding Pore Space

Created a presumption that the surface owner of a property is also the owner of the subsurface geologic storage reservoir, and authorizes the state to unitize a subsurface reservoir for geologic storage of CO2 under certain conditions.

Wyoming Rules on Carbon Injections

Established a process for unitization, or pooling, of geologic sequestration sites. Delegated authority over injection of CO2 for sequestration and EOR to separate agencies.

North Dakota Rules Regarding Pore Space

Established permit requirements for carbon dioxide geologic storage operators and conditions for obtaining the consent of the owners of storage reservoirs.

Kentucky Rules Regarding Pore Space

Directed CO2 storage operators to make good faith attempts to acquire the rights to pore space needed for long-term storage, following which the state may order the pooling of the entire pore space to enable its use for CO2 storage.

Mississippi Rules Regarding Pore Space

Authorized the Mississippi Oil and Gas Board to approve the use of reservoirs for injection and storage of CO2 provided that a majority interest in the reservoir has provided its written consent.

Texas Rules Regarding Pore Space

In addition to health and safety criteria, there is a provision to only allow permitting when CO2 injection will not endanger or injure any oil, gas, or other mineral formation.

North Dakota liability release regulation

North Dakota has established a trust fund that pays for long-term monitoring and maintenance of transferred carbon dioxide, and stipulated conditions for ownership to pass to the state.