Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Well logging apparatus and method using two spaced apart transmitters with two receivers located between the transmitters

Well logging apparatus and method using two spaced apart transmitters with two receivers located between the transmitters

US Patent 4968940 · Granted Nov 6, 1990

Estimated economic value: $38,059,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Fracture characterization while drilling2025
System and method for characterizing subterranean formations2024
Systems and methods for using Stoneley waves for bottom-hole proximity detection2020
Microfluidic oscillating tube densitometer for downhole applications2019
Acoustic detection of drill pipe connections2019
System and methodology for orientation of a borehole seismic source2019
Downhole device having a toroidal coil with flat metallic strip2018
Multiple magnetic sensor ranging method and system2018
Magnetic detection of drill pipe connections2018
Wear resistant electrodes for downhole imaging2018
Determining seismic sensor orientation in a wellbore2018
Method and apparatus for optimizing magnetic signals and detecting casing and re2018