Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10591630 | Nuclear well logging tool with at least one gamma-ray scintillation detector employing a thallium-based scintillator material | Markus Berheide | 2020-03-17 |
| 9360585 | Borehole independent neutron porosity measurement | Libai Xu | 2016-06-07 |
| 9057794 | Method for measuring subterranean formation density using a neutron generator | Libai Xu, Kevin Scott McKinny | 2015-06-16 |
| 8975574 | Well-logging tool with azimuthal and spectral radiation detectors and related methods | Libai Xu, Christian Stoller, Robert T. Little, Peter Wraight | 2015-03-10 |
| 8803078 | Method and apparatus for neutron logging using a position sensitive neutron detector | Libai Xu, Kevin Scott McKinny, Christian Stoller | 2014-08-12 |
| 8074511 | Use of flexible member for borehole diameter measurement | Homero C. Castillo, Shawn A. Olsen, Roger R. Steinsiek, Gabriel Villasmil | 2011-12-13 |
| 7573027 | Measurement of standoff corrected photoelectric factor | — | 2009-08-11 |
| 6907944 | Apparatus and method for minimizing wear and wear related measurement error in a logging-while-drilling tool | Matthew Sale, Phillip Lawrence Kurkoski, Volker Krueger, Harald Grimmer | 2005-06-21 |
| 6044326 | Measuring borehole size | — | 2000-03-28 |