Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Well perforation inspection

Well perforation inspection

US Patent 5218573 · Granted Jun 8, 1993

Estimated economic value: $78,194,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Sensor in bit for measuring formation properties while drilling2000
Inspecting a conductive object with a steady state magnetic field and induced ed1997
Method and apparatus for detecting and measuring gelled pigs in tubulars1996
Sensor in bit for measuring formation properties while drilling including a dril1995
Downhole wellbore tool for measuring flow parameters1993
Transducers for acoustic logging tool1992
Acoustic signal transmitter for logging tools1991
Piezoelectric transducer with displacement amplifier1991
Magnetostrictive transducer for logging tool1991
Piezoelectric transducer1990
Acoustic logging tool transducers1990
Method for acoustically measuring wall thickness of tubular goods1990