Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Downhole lock system

Downhole lock system

US Patent 4479539 · Granted Oct 30, 1984

Estimated economic value: $5,420,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Single bore packer with dual flow conversion for gas lift completion1992
Single bore packer with dual flow conversion for gas lift completion1991
Packer seal means and method1989
Multi-position tool and method for running and setting a packer1989
Pulling tool1985
Downhole safety system for use while servicing wells1984
Locking mandrel for a well flow conductor1983
Method of completing wells in which the lower tubing is suspended from a tubing 1980
Plural parallel tubing with safety joints or release from suspended receptacle1980