Inventor
HEWGILL GREGORY S
US7 patents
Patents
7 patentsUS4787453ANov 29, 1988
Permeability stabilization in subterranean formations containing particulate matter
UNION OIL CO98 citations95
US4646835AMar 3, 1987
Acidizing method
UNION OIL CO56 citations95
US5051197ASep 24, 1991
Scale removal treatment
UNION OIL CO37 citations92
US4708207ANov 24, 1987
Scale removal treatment
UNION OIL CO46 citations92
US5105887AApr 21, 1992
Enhanced oil recovery technique using hydrogen precursors
UNION OIL CO39 citations91
US4992182AFeb 12, 1991
Scale removal treatment
UNION OIL CO16 citations81
US5039434AAug 13, 1991
Acidizing composition comprising organosilicon compound
UNION OIL CO10 citations73