Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Electrode array for measurement of borehole resistivity

Electrode array for measurement of borehole resistivity

US Patent 4570123 · Granted Feb 11, 1986

Estimated economic value: $7,553,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of decoding MWD signals using annular pressure signals1993
Method for determining borehole fluid influx1993
Method for detection of influx gas into a marine riser of an oil or gas rig1992
Acoustic data transmission method1992
Analysis and identification of a drilling fluid column based on decoding of meas1991
Method and apparatus for filtering noise from data signals1989
Resistivity sensor for generating asymmetrical current field and method of using1988
Method and apparatus for borehole fluid influx detection1988
Method and apparatus for borehole fluid influx detection1988
Explosion and flame proof electrical connector protective assembly1987
Insulating and electrode structure for a drill string1986