Schlumberger Technology Corporation

Romain De Loubens

Terizhandur S Ramakrishnan

Yusuf Bilgin Altundas

Carbon dioxide is sequestered in a formation using dual or multiple completion and injection methods that reduce or eliminates upward leak rates of the sequestered carbon dioxide. The dual or multiple completion and injection method involves the injection of a benign fluid such as brine (water) into a permeable layer of the formation located above the sequestration layer and which is separated form the sequestration layer by a nearly impermeable layer. The water is injected at the same time the carbon dioxide is injected.

Systems and methods for downhole sequestration of carbon dioxide

Carbon dioxide is sequestered in a formation using a dual completion and injection method that reduces or eliminates upward leak rates of the sequestered carbon dioxide. The dual completion and injection method involves the injection of a benign fluid such as brine (water) into a permeable layer of the formation located above the sequestration layer and which is separated form the sequestration layer by a nearly impermeable layer. The water is preferably injected at the same time the carbon dioxide is injected.

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Cambridge, MA, United States of America

Romain De Loubens