Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Electrical submersible pump for lifting heavy oils

Electrical submersible pump for lifting heavy oils

US Patent 5159977 · Granted Nov 3, 1992

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Systems and methods for producing and transporting viscous crudes2014
Pipes, systems, and methods for transporting fluids2012
Method and apparatus for a cold flow subsea hydrocarbon production system2011
Separator for multi-phase slug flow and method of designing same2010
Separator for multi-phase slug flow and method of designing same2009
Method and apparatus for a cold flow subsea hydrocarbon production system2009