Slow acidizing of geological formations

Details Slow acidizing of geological formations Slow acidizing of geological formations

1996-07-25

1999-11-09

Tsay, Frank

Wells

Processes

Distinct, separate injection and producing wells

166307, E21B 4327

Patent

active

059795565

ABSTRACT:
A method for continuously acidizing a geological rock formation for at least 3 months comprising adding a dilute acid to a geothermal carrier fluid in a concentration less than 0.1 weight percent to produce an acidified fluid and continuously contacting the rock formation with the acidified fluid until the permeability of the formation is increased.

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