Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Staged screen assembly for gravel packing

Staged screen assembly for gravel packing

US Patent 4932474 · Granted Jun 12, 1990

Estimated economic value: $47,545,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tank bottom restoration process2002
Method of completing a well2001
Method of gravel packing a well1993
Method and means for stabilizing gravel packs1992
Method of gravel packing a subterranean well1991
Sulfonation of crude oils with gaseous SO.sub.3 to produce petroleum sulfonates1986
Sulfonation of crude oils with gaseous SO.sub.3 to produce petroleum sulfonates1985
Polymer flow control apparatus1985
Apparatus and method for preparing polymers1984
Brace member and wall structure1982