TECHNOLOGY Acid gas injection eliminates sulfur recovery expense

04/28/1997
Edward Wichert Gascan Resources Ltd. Calgary Tom Royan Tartan Engineering Corp. Ltd. Calgary Because sulfur recovery from produced gas has little value at this time, an alternative is to compress the acid gas (H2S, CO2, or a mixture of both) and inject it into a suitable underground zone, similar to produced water disposal. Sour natural gas containing sulfur in the form of hydrogen sulfide (H2 S) presents a double cost to producers. First, the gas has to be sweetened with a solvent, and second, most of the H2 S has to be converted to sulfur. Both processes are expensive. Acid gas reinjection eliminates sulfur compounds and carbon dioxide (CO2) emissions into th...
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