Method of supplying gas to gas consumers

Wells – Processes – Electric current or electrical wave energy through earth for...

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166249, 166250, 166272, 166299, 166370, 405 56, 405 57, E21B 4312, E21B 4324, E21B 4325

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054508991

DESCRIPTION:

BRIEF SUMMARY
FIELD OF THE INVENTION

The present invention relates to methods for supplyign gas to gas consumers, and, more specifically, to a method for supplying gas consumers with gas by forming a storage reservoir, preferably in immediate vicinity to the gas consumer, filling it up with gas extracted from gas-saturated water-bearing horizons, followed by reclaiming the gas at will.
The invention may be advantageously used for creating a gas pool ready for use, and for supplying therefrom gas to gas consumers in a simple and dependable manner.


DESCRIPTION OF THE PRIOR ART

It is common knowledge that gas is produced from gas, gas-condensate, and oil-gas-condensate deposits at areas of their naturally occurring formation which takes long (in geologic terms) periods of time, whereas gas consumers (such as industrial enterprises, municipal services, etc.) are normally supplied with gas using the following procedure: gas production from gas deposits--in-situ gas preparation--gas transportation to gas-consuming areas in which storage reservoirs are formed and filled with gas to become a gas source from which gas users can be provided with gas at will.
To solve the above-formulated problem, in the prior art frequent use was (and is) made of providing an underground reservoir for storing gas in the vicinity of areas where it is consumed. It is exactly this technique that is described, e.g. in a book by Trebin F. A., Makogon Yu. F. and Basniev K. S. NATURAL GAS PRODUCTION, Nedra Publishers, Moscow, 1976, p.368. It is a technique known in the prior art to use underground trap reservoirs developed as a result of naturally occurring geologic processes in prospecting for naturally formed gas deposits and for assessment of gas reserves according to seam pressure drops. For instance, USSR Inventor's Certificate No.1,032,171 (published on Jul. 30, 1983) proposes a method whereby a trap disposed above a gas deposit is used for assessment of gas reserves in accordance with seam pressure drops in the trap in the course of passage of a gas flow through the trap, but without ever reclaiming the gas passed therethrough.
USSR Inventor's Certificate No.442,287 (published on Nov. 21, 1974) provides a method whereby free gas is liberated from gas-hydrate deposits by subjecting them to the effect of vibrations generated by an electromagnetic emitter or by a magnetostrictive drill inserted into a gas well.
Equally known in the prior art (Ref. USSR Inventor's Certificate No.859,606; published on Oct. 5, 1981) is a method for operating an oil well, whereby a source of acoustic vibrations is immersed into the oil well for the purpose of liberating gas from the liquid column in the oil well, whereafter the oil well is operated in the gas lift operational mode.
Also known in the prior art is a method for gas production by causing the gas to be transported by the flow of the underground stratum (seam) liquid to the day surface, followed by separating the gas from the liquid (Reference Book on Oil Production, NEDRA Publishers, Moscow, 1974, pp.511-512).
U.S. Pat. No. 4,040,487 (published on Aug. 9, 1974) and U.S. Pat. No. 4,116,276 (publ. on Sep. 26, 1978) are directed to a method for increasing the natural gas production from a water-bearing horizon containing water and gas by pumping water therefrom.
Also known in the prior art are methods for recovering hydrocarbons from their naturally occurring deposits using vibratory or acoustic effects (Ref. U.S. Pat. No. 3,952,800 issued on Apr. 27, 1976; U.S. Pat. No. 4,060,128 issued on Nov. 29, 1977; 4,114,689 issued on Sep. 19, 1978; U.S. Pat. No. 4,417,621 issued on Nov. 29, 1983), accompanied with thermal effects (Ref., e.g. U.S. Pat. No. 4,049,053 issued on Sep. 20, 1977), or using electromagnetic field effects (Ref. U.S. Pat. No. 4,084,638 issued on Apr. 18, 1978; U.S. Pat. No. 4,164,978 issued on Aug. 21, 1979; U.S. Pat. No. 4,638,863 issued on Jul. 25, 1986; and U.S. Pat. No. 4,705,108 issued on Nov. 10, 1987).
However, none of the above-cited patents makes provision for gas liberation from gas-

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F. A. Trebin et al. "Production of Natural Gas".

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