Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Gamma ray borehole logging method and apparatus having compensation for borehole attenuation effects

Gamma ray borehole logging method and apparatus having compensation for borehole attenuation effects

US Patent 4825071 · Granted Apr 25, 1989

Estimated economic value: $3,545,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Synthesis of radioactive materials and compositions of same2009
Methods of making energy conversion devices with a substantially contiguous depl2007
Apparatus and method for generating electrical current from the nuclear decay pr2005
Apparatus and methods for determining gravel pack quality2004
Apparatus and method for generating electrical current from the nuclear decay pr2004
Apparatus and methods for determining gravel pack quality2003
Radiation detector2001
Method for determining symmetry and direction properties of azimuthal gamma ray 2001
Determination of radioactive scale distribution using gamma ray logging techniqu2000
Auxiliary bearing system1998
Auxiliary bearing system1998
Method for filtering gamma ray well logging tool response to enhance vertical de1997