Increasing the flow of fluids through a permeable formation

Details Increasing the flow of fluids through a permeable formation Increasing the flow of fluids through a permeable formation

1983-12-21

1986-04-08

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

166272, 166300, 166303, 106900, 252 855R, 405264, E21B 4322, E21B 4324, E02D 312, C09K 1700

Patent

active

045806330

ABSTRACT:
Method for treating a formation, particularly one containing finely divided particulate material, to increase the flow of fluids through the formation wherein there is injected therein an organosilicon compound, preferably in a hydrocarbon carrier liquid, followed by injection of steam containing a compound which contains ammoniacal nitrogen, selected from the group consisting of ammonium hydroxide, ammonium salts of inorganic acids, ammonium salts of carboxylic acids, quaternary ammonium halides, amine or substituted amine hydrochlorides, derivatives of ammonium cyanate, and water-soluble ammonia or ammonium ion precursors selected from the group consisting of amides of carbamic acid and thiocarbamic acid, derivatives of such amides, tertiary carboxylic acid amides and their substituted and alkylated derivatives. A preferred nitrogen-containing compound is urea.

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patent: 4475595 (1984-10-01), Watkins et al.
patent: 4476930 (1984-10-01), Watanabe
patent: 4479543 (1984-10-01), Kalfayan et al.
patent: 4498538 (1985-02-01), Watkins et al.

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