| Patents for G01V 5 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity (5,830) |
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| 10/26/1976 | US3988615 Method for radioactivity monitoring |
| 10/26/1976 | US3988581 Radioactive well logging system with shale (boron) compensation by gamma ray build-up |
| 10/05/1976 | US3984694 Pulse width regulator for a pulsed neutron source |
| 09/21/1976 | US3982125 Method and apparatus for providing height variation compensation in certain nuclear gauging applications including nuclear mine detection |
| 09/14/1976 | US3980889 Article transfer and inspection apparatus |
| 09/07/1976 | US3979716 Means and method for transmitting a high count rate pulse signal over a common well logging cable |
| 09/07/1976 | US3979300 Three frequency modulated combination thermal neutron lifetime log and porosity |
| 08/24/1976 | US3976879 Well logging method and apparatus using a continuous energy spectrum photon source |
| 08/24/1976 | US3976878 Natural gamma ray spectrum analysis technique |
| 08/10/1976 | USRE28925 Neutron method for determining residual oil-phase fluid concentration |
| 08/03/1976 | US3973131 Pulsed neutron logging: multipurpose logging sonde for changing types of logs in the borehole without bringing the sonde to the surface |
| 07/27/1976 | US3971935 Two detector pulsed neutron porosity and water salinity apparatus and methods |
| 07/20/1976 | US3970428 Method and apparatus for collecting atmospheric samples in atmospheric geochemical prospecting |
| 07/13/1976 | US3969630 Method and apparatus for defining radiation-opaque pathways within shielding materials |
| 05/25/1976 | US3959648 Dual spectra well logging system and method |
| 05/25/1976 | US3959647 Gamma-ray measuring method for determining an interface between media |
| 04/06/1976 | US3949232 High-voltage arc detector |
| 04/06/1976 | US3949220 Method for detecting and locating sand producing zones in friable, unconsolidated sandstone formations of subterranean formations |
| 03/30/1976 | US3947683 Combination of epithermal and inelastic neutron scattering methods to locate coal and oil shale zones |
| 03/23/1976 | US3946226 Well logging method and apparatus |
| 03/09/1976 | US3943362 Simultaneous oxygen and silicon neutron activation well log using pulsed neutron source |
| 03/02/1976 | US3942004 Dual spaced, borehole compensated neutron well logging instrument |
| 03/02/1976 | US3942003 Method and apparatus for the in situ analysis of marine ore concretions |
| 02/24/1976 | US3940613 Three frequency modulated thermal neutron lifetime log |
| 02/24/1976 | US3940612 Method for detecting and locating water-producing zones and/or water thief zones in subterranean formations |
| 02/24/1976 | US3940611 Method for determining thermal neutron decay times of earth formations |
| 02/24/1976 | US3940610 Natural gamma radiation borehole logging system |
| 02/17/1976 | US3939343 Pulsed neutron logging system for inelastic scattering gamma rays with gain compensation |
| 01/27/1976 | US3935556 Dual function logging tool and method |
| 01/13/1976 | US3932747 Nonfluid-filled borehole logging apparatus |