Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Multifrequency signal transmitter with attenuation of selected harmonies for an array induction well logging apparatus

Multifrequency signal transmitter with attenuation of selected harmonies for an array induction well logging apparatus

US Patent 4965522 · Granted Oct 23, 1990

Estimated economic value: $26,963,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Downhole tool and electronics packaging configuration therefor2019
Antennas for deep induction array tools with increased sensitivities2010
Insulated sleeve with conductive electrodes to reduce borehole effects for an in2007
Insulated sleeve with conductive electrodes to reduce borehole effects for an in2006
Apparatus and methods for reducing borehole current effects2005
Apparatus and method for stripping insulated wire2005
Apparatus and method for resistivity well logging2004
Antenna structures for electromagnetic well logging tools2004
Modified formation testing apparatus and method2000
Integral standoff of induction sondes to minimize correction of borehole conduct2000
Formation testing apparatus and method2000
Method and apparatus for well bore hole-finding with simultaneous borehole or fo1999