Method and apparatus for recovering natural gas from geopressure

Wells – Processes – Separating material entering well

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55 2, 55 55, 60641D, 166 65R, 166 75R, 166267, B01D 1900, C02F 146, C25B 104, E21B 4340

Patent

active

042731895

ABSTRACT:
Method and apparatus for recovering natural gas from geopressured salt water by discharging the geopressured salt water from the subsurface strata into a variable volume tank at substantially atmospheric pressure. By flowing the discharged salt water over a plurality of mechanical baffles prior to entry of the salt water into the interior of the variable volume tank, release of the gas dissolved in the salt water is enhanced. In addition, electrodes are positioned in the path of the salt water flowing through the baffle area, and an AC electric current is established therethrough which aids in the release of additional hydrocarbon gases from the salt water. The pressurized hot salt water may also be utilized to generate electrical or mechanical energy before or after the release of the dissolved gases.

REFERENCES:
patent: 3783943 (1974-01-01), Schievelbein
patent: 3862545 (1975-01-01), Ellis et al.
patent: 3951794 (1976-04-01), Swearingen
patent: 4043129 (1977-08-01), McCabe et al.
patent: 4059156 (1977-11-01), Berg
Uren, L. C., Petroleum Production Engineering, Oil Field Exploitation, 3rd Ed., McGraw-Hill Book Co., N.Y., 1953, pp. 575-582 and 707.

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