Wells – Processes – Cementing – plugging or consolidating
Patent
1991-03-27
1992-06-30
Suchfield, George A.
Wells
Processes
Cementing, plugging or consolidating
166294, 166300, 252 8551, 523130, E21B 33138, E21B 4322
Patent
active
051254565
ABSTRACT:
Visible gels are formed by mixing an inorganic crosslinking agent with a low viscosity aqueous solution having a low polyacrylamide content. The visible gels are employed to reduce the water/hydrocarbon permeability ratio of subterranean formations.
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Dovan Hoai T.
Hutchins Richard D.
Frieman Shlomo R.
Suchfield George A.
Union Oil Company of California
Wirzbicki Gregory F.
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