Issued Patents All Time
Showing 26–50 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9146332 | Remotely located tuning circuits for multi-frequency, multi-purpose induction antennae in downhole tools | John A. Signorelli, Samuel R. Bell, Roland E. Chemali, Sheng Fang | 2015-09-29 |
| 8931335 | Processing of multi-component induction data in the presence of borehole abnormalities | Michael Rabinovich, Alexandre N. Bespalov, Bill H. Corley | 2015-01-13 |
| 8755248 | Unipole and bipole acoustic logging while drilling tools | — | 2014-06-17 |
| 8626446 | Method of directional resistivity logging | Qiuzhao Dong | 2014-01-07 |
| 8625390 | Acoustic waveform stacking using azimuthal and/or standoff binning | Paul Boonen | 2014-01-07 |
| 8581594 | Microresistivity anisotropy logging tool employing a monopole current injection electrode | Christopher C. Streinz | 2013-11-12 |
| 8559272 | Acoustic logging while drilling tool having raised transducers | — | 2013-10-15 |
| 8547788 | Methods for making acoustic anisotropy logging while drilling measurements | Paul Boonen | 2013-10-01 |
| 8542553 | Downhole sonic logging tool including irregularly spaced receivers | — | 2013-09-24 |
| 8536871 | Method of correcting resistivity measurements for toll bending effects | Jing Li | 2013-09-17 |
| 8508231 | Logging tool employing a monopole current injection electrode for microresistivity imaging | — | 2013-08-13 |
| 8497673 | Directional resistivity antenna shield | Jun Zhang, Jing Li, Stephen D. Bonner | 2013-07-30 |
| 8466682 | Apparatus and method for downhole electromagnetic measurement while drilling | — | 2013-06-18 |
| 8319498 | Microresistivity imaging at multiple depths of investigation | — | 2012-11-27 |
| 8305083 | Calibration method for a microresistivity logging tool | — | 2012-11-06 |
| 8278931 | Anisotropy orientation image from resistivity measurements for geosteering and formation evaluation | Sheng Fang, Andrew D. Kirkwood, Gulamabbas Merchant, Eric Hart | 2012-10-02 |
| 8271199 | Binning method for borehole imaging | — | 2012-09-18 |
| 8212567 | Externally mounted band antennae requiring minimal metal cutting on drillstring for reduction of mechanical stresses | John A. Signorelli | 2012-07-03 |
| 8207738 | Non-planar antennae for directional resistivity logging | — | 2012-06-26 |
| 8195400 | Directional resistivity imaging using harmonic representations | — | 2012-06-05 |
| 8164339 | Apparatus and system for geosteering and formation evaluation utilizing improved antennas | Sheng Fang, Jack Signorelli, Roland E. Chemali | 2012-04-24 |
| 8159227 | Methods for making directional resistivity measurements | — | 2012-04-17 |
| 8129994 | Microresistivity imaging in conductive and nonconductive drilling fluid | — | 2012-03-06 |
| 8117907 | Caliper logging using circumferentially spaced and/or angled transducer elements | Wei Han | 2012-02-21 |
| 8117018 | Determining structural dip and azimuth from LWD resistivity measurements in anisotropic formations | Sheng Fang, Gulamabbas Merchant, Eric Hart, Andrew D. Kirkwood | 2012-02-14 |