Acidizing with chemically heated weak acid

Details Acidizing with chemically heated weak acid Acidizing with chemically heated weak acid

1983-11-17

1984-11-13

Novosad, Stephen J.

Wells

Processes

Chemical inter-reaction of two or more introduced materials

166307, 166309, E21B 4327, E21B 4322

Patent

active

044820160

ABSTRACT:
Materials in and around a well are acidized with chemically heated, hot acid by injecting a solution of both nitrogen and heat generating reactants and a mixture of weak acid and weak acid salt that both buffers the relation and provides a weak acid acidizing solution.

REFERENCES:
patent: 3142335 (1964-07-01), Dill et al.
patent: 3163745 (1964-12-01), Boston
patent: 3367417 (1968-02-01), McCabe
patent: 3817328 (1974-06-01), Neuman
patent: 3885630 (1975-05-01), Richardson
patent: 3915233 (1975-10-01), Slusser
patent: 4178993 (1979-12-01), Richardson et al.
patent: 4219083 (1980-08-01), Richardson et al.
patent: 4330037 (1982-05-01), Richardson et al.

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