Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10914859 | Real-time true resistivity estimation for logging-while-drilling tools | — | 2021-02-09 |
| 10684386 | Method and apparatus of near-bit resistivity for looking-ahead | — | 2020-06-16 |
| 10605953 | Bucking to reduce effects of conducting tubular | — | 2020-03-31 |
| 10302804 | Bucking to reduce effects of conducting tubular | — | 2019-05-28 |
| 10254430 | Downhole deep transient measurements with improved sensors | Sushant Dutta, Gregory B. Itskovich, Steven A. Morris | 2019-04-09 |
| 10132953 | Electromagnetic wave propagation measurements without synchronization | Andreas Hartmann | 2018-11-20 |
| 9575202 | Methods and devices for extra-deep azimuthal resistivity measurements | — | 2017-02-21 |
| 9438134 | System and method for off-line ups | — | 2016-09-06 |
| 9423524 | Oil-based mud imager with a line source | — | 2016-08-23 |
| 9151150 | Apparatus and methods for well-bore proximity measurement while drilling | Arcady Reiderman | 2015-10-06 |
| 9146332 | Remotely located tuning circuits for multi-frequency, multi-purpose induction antennae in downhole tools | John A. Signorelli, Samuel R. Bell, Tsili Wang, Roland E. Chemali | 2015-09-29 |
| 9052406 | Processing azimuthal measurement data | Zhiqiang Zhou, Paul Cairns | 2015-06-09 |
| 8847600 | Use of autotransformer-like antennas for downhole applications | Jack Signorelli, Samuel R. Bell, Stanislav W. Forgang | 2014-09-30 |
| 8829907 | Frequency filtering and adjustment of electromagnetically received signals from antennas | Jack Signorelli, Samuel R. Bell | 2014-09-09 |
| 8487625 | Performing downhole measurement using tuned transmitters and untuned receivers | John A. Signorelli | 2013-07-16 |
| 8427164 | Apparatus and method for reducing effects of eccentricity in induction tools | David R. Beard | 2013-04-23 |
| 8278931 | Anisotropy orientation image from resistivity measurements for geosteering and formation evaluation | Andrew D. Kirkwood, Gulamabbas Merchant, Eric Hart, Tsili Wang | 2012-10-02 |
| 8237445 | Octupole induction sensors for resistivity imaging in non-conductive muds | Alexandre N. Bespalov | 2012-08-07 |
| 8164339 | Apparatus and system for geosteering and formation evaluation utilizing improved antennas | Tsili Wang, Jack Signorelli, Roland E. Chemali | 2012-04-24 |
| 8131494 | Rotatable orientation independent gravity sensor and methods for correcting systematic errors | Daniel T. Georgi, Carl M. Edwards, Rocco DiFoggio, Robert A. Estes | 2012-03-06 |
| 8117018 | Determining structural dip and azimuth from LWD resistivity measurements in anisotropic formations | Gulamabbas Merchant, Eric Hart, Andrew D. Kirkwood, Tsili Wang | 2012-02-14 |
| 8036830 | Resistivity imager in non-conductive mud for LWD and wireline applications | — | 2011-10-11 |
| 7839149 | Multi-component resistivity logging tool with multiple antennas using common antenna grooves | Tsili Wang, John A. Signorelli, Roland E. Chemali | 2010-11-23 |
| 7565246 | Determination of gas saturation radial profile from multi-frequency NMR data | Songhua Chen | 2009-07-21 |
| 7496451 | Real time data quality control and determination of formation angles from multicomponent induction measurements using neural networks | Leonty A. Tabarovsky, Michael Rabinovich, Liming Yu | 2009-02-24 |