Inventor
WATANABE DAVID J
11 patents
Patents
11 patentsUS4475595AOct 9, 1984
Method of inhibiting silica dissolution during injection of steam into a reservoir
UNION OIL CO85 citations96
US4476930AOct 16, 1984
Inhibition of scale deposition from steam generation fluids
UNION OIL CO114 citations95
US4261421AApr 14, 1981
Method for selectively acidizing the less permeable zones of a high temperature subterranean formation
UNION OIL CO119 citations95
US4487265ADec 11, 1984
Acidizing a subterranean reservoir
UNION OIL CO32 citations92
US4454914AJun 19, 1984
Method for conditioning geothermal brine to reduce scale formation
UNION OIL CO45 citations92
US4267887AMay 19, 1981
Method for acidizing high temperature subterranean formations
UNION OIL CO45 citations92
US4148360AApr 10, 1979
Method for acidizing high temperature subterranean formations
UNION OIL CO21 citations81
US4739833AApr 26, 1988
Method of acidizing high-temperature subterranean formations
UNION OIL CO8 citations73
US4567946AFeb 4, 1986
Increasing the permeability of a subterranean reservoir
UNION OIL CO17 citations73
US4480694ANov 6, 1984
Method for acidizing high temperature subterranean reservoirs
UNION OIL CO9 citations73
US4203492AMay 20, 1980
Method for acidizing siliceous materials contained in high temperature formations
UNION OIL CO17 citations73