Method of producing supercritical carbon dioxide from wells

Details Method of producing supercritical carbon dioxide from wells Method of producing supercritical carbon dioxide from wells

1984-10-25

1986-10-07

Suchfield, George A.

Wells

Processes

With indicating, testing, measuring or locating

166267, 166371, 166 72, 166106, 166902, 166310, E21B 4102, E21B 4334, E21B 4700, E21B 4706

Patent

active

046153896

ABSTRACT:
This invention relates to a method of producing supercritical carbon dioxide from a well along with minor amounts of water having formation salts dissolved therein. Precipitation of salts carried by the formation water in the pump is prevented by continuously injecting water into the vicinity of the pump intake so as to dilute the formation water before it, or at least a portion of it, is vaporized into the water phase of the supercritical carbon dioxide. The volume of injected, substantially fresh water must be sufficient to handle the vaporization of water into the carbon dioxide in the pump as well as dilute the formation water so that the salts carried thereby remain in solution.

REFERENCES:
patent: 2182545 (1939-12-01), Pace
patent: 3548946 (1970-12-01), Engle
patent: 3770058 (1973-11-01), Smedley
patent: 4235289 (1980-11-01), Weeter
patent: 4266607 (1981-05-01), Halstead

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