Divalent ion tolerant aromatic sulfonates

Details Divalent ion tolerant aromatic sulfonates Divalent ion tolerant aromatic sulfonates

1988-06-08

1989-06-06

Suchfield, George A.

Wells

Screens

Porous material

252 8554, E21B 4322

Patent

active

048362832

ABSTRACT:
Divalent ion tolerant aromatic sulfonate suitable for enhanced oil recovery characterized by the formula: ##STR1## wherein x=0 to 4

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