Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Acoustic apparatus and method for detecting borehole wall discontinuities such as vertical fractures

Acoustic apparatus and method for detecting borehole wall discontinuities such as vertical fractures

US Patent 4885723 · Granted Dec 5, 1989

Estimated economic value: $55,909,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for surveying and monitoring a reservoir penetrated by a we1997
Well logging apparatus comprising a measuring pad and a combinaton device includ1997
Rail investigating ultrasonic transducer1996
Combination well logging device1996
Method and apparatus for evaluating formation resistivity using focused annular 1995
Method and apparatus for evaluating formation resistivity using focused annular 1995
Nuclear spectroscopy method and apparatus for digital pulse height analysis1991
Logging apparatus and method for determining concentrations of subsurface format1991
Method and apparatus for investigating stand-off in a borehole1990
Method and apparatus for acoustically measuring the transverse dimensions of a b1989
Apparatus and method for acoustically investigating a casing set in a borehole1988
Method and apparatus for investigating stand-off in a borehole1987