Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11906690 | Obtaining inelastic spectra free of detector born gamma rays induced by neutrons | Feyzi Inanc, Toyli Anniyev, Peng Yuan, Maxim Vasilyev | 2024-02-20 |
| 10725200 | Water saturation determination using an oxygen estimate and formation lithology | Feyzi Inanc, Rafay Z. Ansari, W. Allen Gilchrist | 2020-07-28 |
| 10585209 | Gamma ray spectra contrast sharpening | Feyzi Inanc, Toyli Anniyev, Maxim Vasilyev | 2020-03-10 |
| 10520641 | Gamma calibration | Feyzi Inanc, Toyli Anniyev, Randy Gold, Otto N. Fanini, Sandeep Gade +1 more | 2019-12-31 |
| 10324225 | Water saturation determination using an oxygen estimate and formation lithology | Rafay Z. Ansari, Feyzi Inanc, W. Allen Gilchrist, Michael Bruner | 2019-06-18 |
| 10324224 | Elemental concentration determination using neutron-induced activation gamma radiation | Feyzi Inanc, Rafay Z. Ansari, W. Allen Gilchrist | 2019-06-18 |
| 10125600 | System and method for sensing fluids downhole | Muhammad A. Manzar, Datong Sun | 2018-11-13 |
| 9885802 | Downhole cement evalution using pulsed neutron measurements | — | 2018-02-06 |
| 9696454 | Identifying weighting material sag with pulsed neutron logs | Sandeep Gade, Qiong Zhang, Feyzi Inanc, Otto N. Fanini, Yonghwee Kim | 2017-07-04 |
| 9599743 | Density measurements using detectors on a pulsed neutron measurement platform | Feyzi Inanc, Maxim Vasilyev, Sandeep Gade, Steven M. Bliven | 2017-03-21 |
| 9360586 | Water saturation determination using an oxygen estimate and formation lithology | Rafay Z. Ansari, Feyzi Inanc, W. Allen Gilchrist, Michael Bruner | 2016-06-07 |
| 9261622 | Elemental concentration determination using neutron-induced activation gamma radiation | Feyzi Inanc, Rafay Z. Ansari, W. Allen Gilchrist | 2016-02-16 |
| 9086500 | Apparatus and method for pulsed neutron measurement | Rafay Z. Ansari, Feyzi Inanc, Elton Frost, Jr., W. Allen Gilchrist | 2015-07-21 |
| 8978481 | Simultaneous ultrasonic cross-correlation and transit time measurements for multiphase flow rate analysis | Christopher Powell, Rocco DiFoggio, Datong Sun | 2015-03-17 |
| 8964504 | Method and apparatus for evaluating a cemented borehole casing | Rafay Z. Ansari, Elton Frost, Jr. | 2015-02-24 |
| 8903658 | Apparatus and method for measuring downhole fluid composition and properties | Roger Marsh, Rafay Z. Ansari, Feyzi Inanc | 2014-12-02 |
| 8525103 | Method for hydrocarbon saturation and hydraulic frac placement | Rafay Z. Ansari, Elton Frost, Jr., Feyzi Inanc, W. Allen Gilchrist, Randy L. Evans | 2013-09-03 |
| 8502135 | Method for through-casing 3-phase saturation determination | Rafay Z. Ansari, Feyzi Inanc, W. Allen Gilchrist, Elton Frost, Jr. | 2013-08-06 |
| 8074737 | Wireless perforating gun initiation | Freeman L. Hill, Gary J. Cresswell, Randy L. Evans | 2011-12-13 |
| 7554081 | Method and apparatus for determining silicon content of the earth formations in cased well bores | Stephen Riley, Darryl E. Trcka | 2009-06-30 |
| 7372018 | Determination of gas pressure and saturation simultaneously | Darryl E. Trcka, Pingjun Guo, Steve Riley, Joseph Gregory Barolak | 2008-05-13 |
| 7227129 | Flowshot technique | Stephen Riley, Benoit J. Guivarch, Darryl E. Trcka | 2007-06-05 |
| 7186971 | Flowshot technique | Stephen Riley, Benoit J. Guivarch, Darryl E. Trcka | 2007-03-06 |
| 6601461 | Multi-phase compensated spinner flow meter | Jorge O. Maxit, Jianrong Wang, Daniel T. Georgi | 2003-08-05 |
| 5949069 | Method and apparatus for measuring volumetric water flow rates in highly inclined wellbores | Darryl E. Trcka, Rene Mayer | 1999-09-07 |