Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326535 | Determination of neutron porosity and bulk density from a pulsed neutron tool | Natasa Mekic | 2025-06-10 |
| 12326536 | Determination of formation water salinity using time resolved chlorine capture gamma spectroscopy | Natasa Mekic, Gregory Schmid | 2025-06-10 |
| 11573349 | Borehole compensation during pulsed-neutron porosity logging | Gregory Schmid, Darrell Dolliver | 2023-02-07 |
| 11555941 | Pulsed neutron logging for petrolithium | Gregory Schmid, Natasa Mekic | 2023-01-17 |
| 11243328 | Determination of elemental concentrations from the capture and inelastic energy spectra | Guojing Hou | 2022-02-08 |
| 11048015 | Borehole compensation during pulsed-neutron porosity logging | Gregory Schmid, Darrell Dolliver | 2021-06-29 |
| 10466384 | Techniques for determining formation composition from measured nuclear spectra | Donald C. McKeon | 2019-11-05 |
| 9012836 | Neutron logging tool with multiple detectors | Paul James Wilson, Darryl E. Trcka | 2015-04-21 |
| 8455812 | Gamma ray detectors having azimuthal sensitivity | Anton Nikitin, Alexandr A. Vinokurov | 2013-06-04 |
| 8311744 | Use of chemically and geologically consistent constraints for obtaining elemental chemistry downhole | Alfred Khisamutdinov, Mikhail A. Fedorin, Xiaogang Han, Gary A. Feuerbacher, David Jacobi +3 more | 2012-11-13 |
| 8049164 | Azimuthal elemental imaging | Andrew D. Kirkwood, Philip L. Kurkoski | 2011-11-01 |
| 8024122 | Method for determining formation water resistivity from a wireline pulsed neutron device | Brian J. LeCompte, Xiaogang Han | 2011-09-20 |
| 7893398 | Compensated mineralogy tool and processing | Daniel T. Georgi, Alfred Khisamutdinov, W. Allen Gilchrist | 2011-02-22 |
| 7718955 | Inelastic background correction for a pulsed-neutron instrument | Xiaogang Han | 2010-05-18 |
| 7402797 | Method and apparatus for determining aluminum concentration in earth formations | Pingjun Guo | 2008-07-22 |
| 7205535 | Elemental gamma ray signature instrument | William Madigan, Pingjun Guo | 2007-04-17 |
| 5705812 | Compaction monitoring instrument system | James E. Brewer, Izhar Ahmad, Randy Gold | 1998-01-06 |
| 5489779 | Method for optimizing energy spectrum data from scintillation type radiation detectors | Enrique Prati | 1996-02-06 |