Back to results
US 4,498,531 AGranted
Emission controller for indirect fired downhole steam generators
AssigneeRockwell International Corporation
InventorJohn J. Vrolyk
Life of this patent
Estimating the term…
Abstract
The present invention provides an indirect downhole steam generator system comprising a downhole combustor, a well casing which provides a flue for the exhaust gases of the downhole combustor, and one or more aerosol nozzles situated within the exhaust flue of the well casing for injecting an aerosol limestone dust into the exhaust gases of the combustor as the exhaust gases travel up the flue.
Claims10
An indirect downhole steam generator system comprising:
- an indirectly fired downhole steam generator;
- a well casing leading from a well head to said downhole steam generator, said well casing comprising a flue for directing a flow of exhaust gases from said downhole steam generator to said well head, said flow of exhaust gases containing pollutants;
- an injector located within said well casing for injecting a suspension containing an alkaline reactant into said flow of exhaust gases;
- said suspension being carried along and mixed within said flow of exhaust gases and said alkaline reactant reacting with said pollutants to form a dispersed waste material;
- means for supplying said suspension to said injector;
- and
- means for collecting said waste material at said well head for removal.
4 more elements
Dependencies are inferred from the claim text.