Use of organic acid chrome complexes to treat clay containing fo

Details Use of organic acid chrome complexes to treat clay containing fo Use of organic acid chrome complexes to treat clay containing fo

1977-06-30

1978-12-12

Purser, Ernest R.

Wells

Processes

Chemical inter-reaction of two or more introduced materials

166270, 166272, 166274, 166303, 166305R, E21B 4322, E21B 4324

Patent

active

041291832

ABSTRACT:
The instant invention is concerned with the use of organic acid chrome complexes for stabilizing a formation against clay swelling and particle migration and, in one embodiment, to improve oil recovery by rendering watered out channels within a produced formation water repellent and oil wettable.

REFERENCES:
patent: 2356161 (1944-08-01), Iler
patent: 3491833 (1970-01-01), Braden, Jr.
patent: 3603396 (1971-09-01), Braun
patent: 3614986 (1971-10-01), Richardson
patent: 3669188 (1972-06-01), Coles et al.
patent: 3807500 (1974-04-01), Thigpen, Jr. et al.
patent: 3843524 (1974-10-01), Perricone et al.
patent: 3915727 (1975-10-01), Sparlin et al.
Slobod, "Restoring Permeability to Water-Damaged Pays", Oil and Gas Journal, vol. 68, No. 5, 2/70, pp. 104-108.

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