Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11604303 | Photoelectric absorption correction for wellbore logging | — | 2023-03-14 |
| 11340378 | Azimuthal borehole rendering of radioelement spectral gamma data | — | 2022-05-24 |
| 11175432 | Monte Carlo modeling of thorium blanket field calibrators | — | 2021-11-16 |
| 11169300 | Gamma logging tool assembly | Ryan Damont Green | 2021-11-09 |
| 11156733 | Calibrating wellbore spectrometers | — | 2021-10-26 |
| 11143785 | Temperature compensated sensor gain calibration | — | 2021-10-12 |
| 10941653 | Apparatus, system, and method for downhole imaging using a non-rotatable imaging tool having a radiation detector | Yike Hu | 2021-03-09 |
| 10823876 | Geochemical photoelectric logging systems and methods | — | 2020-11-03 |
| 10495781 | Dual porosity methodology for mineral volume calculations in source rock | John Andrew Quirein | 2019-12-03 |
| 10451767 | Neutron porosity log casing thickness corrections | — | 2019-10-22 |
| 10415367 | System and methods for estimation of intra-kerogen porosity of downhole formation samples from pyrolysis tests and basin modeling data | — | 2019-09-17 |
| 10386537 | Gamma-ray spectrometer calibration systems and methods | Weijun Guo | 2019-08-20 |
| 10359374 | Identification of annulus materials using formation porosity | Qingzhen Guo, Weijun Guo | 2019-07-23 |
| 10310134 | API unit calibration of gamma ray logging tools using simulated data | — | 2019-06-04 |
| 10209378 | Photopeak location systems and methods | Weijun Guo | 2019-02-19 |
| 9989667 | Pore size classification in subterranean formations based on nuclear magnetic resonance (NMR) relaxation distributions | Ronnel Charles Balliet | 2018-06-05 |
| 9964665 | Gamma-ray spectrometer calibration systems and methods | Weijun Guo | 2018-05-08 |
| 9310514 | Method and system of determining elemental content of an earth formation | — | 2016-04-12 |
| 8658968 | Nuclear logging tool calibration system and method | — | 2014-02-25 |
| 8044342 | Method and system for calculating extent of a formation treatment material in a formation | Larry A. Jacobson, Jerome A. Truax | 2011-10-25 |
| 7772545 | Nuclear logging tool | Andrew Albert Hrametz, Jerome A. Truax | 2010-08-10 |
| 7176682 | Method and apparatus for detecting hydrocarbons with NMR logs in wells drilled with oil-based muds | Ronald J. M. Bonnie | 2007-02-13 |
| 6903547 | Method and apparatus for improving the vertical resolution of NMR logs | Richard F. Sigal, Ron Cherry, Peter Ian Day, John C. Bouton, Ridvan Akkurt +2 more | 2005-06-07 |
| 6833699 | Method for using conventional core data to calibrate bound water volumes derived from true vertical depth (TVD) indexing, in a borehole, of capillary pressure and NMR logs | David Marschall | 2004-12-21 |
| 6661226 | NMR apparatus and methods for measuring volumes of hydrocarbon gas and oil | Lei Hou, Daniel Lee Miller, John C. Bouton, George R. Coates, Prabhakar Aadireddy | 2003-12-09 |