Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Pressure limiter for a downhole pump and testing apparatus

Pressure limiter for a downhole pump and testing apparatus

US Patent 4877086 · Granted Oct 31, 1989

Estimated economic value: $7,865,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Downhole pressure wave generator and method for use thereof2000
Delayed opening fluid sampler1990
Above packer perforate, test and sample tool and method of use1989
Retrievable gravel packer and retrieving tool1988
Remote fluid transfer system and method for sub-sea baseplates and templates1988
Rapid cycle annulus pressure responsive tester valve1988
Single zone gravel packing system1988
Hydrostatic referenced safety-circulating valve1987
Retrievable well packer1987
Gravel packer1987
Gravel packer1987
Gravel packer1987