Process for the preparation of hydrocarbons and/or...

Details Process for the preparation of hydrocarbons and/or... Process for the preparation of hydrocarbons and/or...

C - Chemistry, Metallurgy

07

C

260/638, 260/688

C07C 1/04 (2006.01) C07C 9/02 (2006.01) C07C 29/151 (2006.01) C07C 31/04 (2006.01) E21B 43/16 (2006.01) E21B 43/40 (2006.01)

Patent

CA 1250863

A B S T R A C T PROCESS FOR THE PREPARATION OF HYDROCARBONS AND/OR OXYGEN-CONTAINING HYDROCARBON DERIVATIVES AND FOR CRUDE OIL PRODUCTION Process for the preparation of hydrocarbons and/or oxygen- containing hydrocarbon derivatives and for the production of crude oil from an underground formation, wherein a) a mixture of CO and H2 is partly converted to hydrocarbons and/or oxygen-containing hydrocarbon derivatives, carbon dioxide being formed; b) the hydrocarbons and/or oxygen-containing hydrocarbon derivatives axe separated at least partly from the product of step a) and a carbon dioxide-containing off-gas is obtained; c) the off-gas is subjected to an oxidation; and d) subsequently at least the carbon dioxide of the off-gas is injected at elevated pressure into the underground formation and crude oil is produced from the formation. The presence of methane in gas which is injected into the underground formation is avoided.

463318

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