Methods for storing carbon dioxide compositions in subterranean geological formations and arrangements for use in such methods
AssigneeStatoil Petroleum AS
InventorsLars Høier, Bamshad Nazarian
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Abstract
A method of introducing a CO2 composition into an aquifer for storage of CO2 therein, said method comprising injecting CO2 in a supercritical state into said aquifer at one or multiple first vertical positions; and withdrawing brine solution from said aquifer at one or multiple second vertical positions; wherein any one of said first vertical positions is distinct from any one of said second vertical positions is disclosed. An arrangement for introducing a CO2 composition into an aquifer is also disclosed.
Claims15
A method of introducing a C02 composition into an aquifer for storage of C02 therein, said method comprising injecting C02 in a supercritical state into said aquifer at one or multiple first vertical positions;
- and withdrawing brine solution from said aquifer at one or multiple second vertical positions;
- wherein any one of said first vertical positions is distinct from any one of said second vertical positions.
An arrangement for introducing a C02 composition into an aquifer, said arrangement comprising:
- at least one first conduit each comprising an injection port, each injection port comprising one or more openings at first vertical positions,
- at least one second conduit each comprising a production port, each production port comprising one or more openings at second vertical positions,
- a first flow-rate controller for controlling the volumetric flow-rate of C02 injected through said injection ports into said aquifer,
- a second flow-rate controller for controlling the volumetric flow-rate of brine solution withdrawn from said aquifer through production ports,
- a density controller for controlling the density of said C02 at the site of injection,
- wherein any one of said first vertical positions are distinct from any one of said second vertical positions.
Dependencies are inferred from the claim text.