Issued Patents All Time
Showing 26–50 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8278930 | Deep MWD resistivity measurements using EM shielding | — | 2012-10-02 |
| 8239172 | Method of deep resistivity transient measurement while drilling | Arcady Reiderman | 2012-08-07 |
| 8203344 | Method and apparatus for resistivity imaging in boreholes with an antenna and two spaced apart electrodes | Randy Gold, Rashid W. Khokhar, Alexandre N. Bespalov, Leonty A. Tabarovsky | 2012-06-19 |
| 8174266 | Multi-resolution borehole resistivity imaging | Randy Gold, Alexandre N. Bespalov | 2012-05-08 |
| 8115490 | Concentric return and transmitter electrodes for imaging and standoff distances compensation | Matthias Gorek, Alexandre N. Bespalov | 2012-02-14 |
| 8112228 | Statistical correction for standoff in two-terminal imager operating in oil-based mud | Alexandre N. Bespalov | 2012-02-07 |
| 8049507 | Transient EM for geosteering and LWD/wireline formation evaluation | Michael Rabinovich, Alexandre N. Bespalov, Stanislav W. Forgang, Daniel T. Georgi, Leonty A. Tabarovsky | 2011-11-01 |
| 8035392 | Method and apparatus for while-drilling transient resistivity measurements | Arcady Reiderman | 2011-10-11 |
| 8030938 | Apparatus and method for imaging subsurface materials using a pad having a plurality of electrode sets | Alexandre N. Bespalov, David R. Beard, Randy Gold, Tsili Wang | 2011-10-04 |
| 8004282 | Method of measuring and imaging RXO (near wellbore resistivity) using transient EM | — | 2011-08-23 |
| 7994790 | Electromagnetic and magnetostatic shield to perform measurements ahead of the drill bit | Roland E. Chemali, Tsili Wang | 2011-08-09 |
| 7940050 | System and method for measuring resistivity of an earth formation with correction for mud electrical properties | Alexandre N. Bespalov | 2011-05-10 |
| 7928733 | Concentric buttons of different sizes for imaging and standoff correction | Matthias Gorek, Alexandre N. Bespalov | 2011-04-19 |
| 7876102 | Mixed galvanic-inductive imaging in boreholes | Randy Gold, Rashid W. Khokhar, Alexandre N. Bespalov, Leonty A. Tabarovsky | 2011-01-25 |
| 7696757 | Method and apparatus for resistivity measurements using dual impedance voltage measurements | Alexandre N. Bespalov | 2010-04-13 |
| 7689363 | Dual standoff resistivity imaging instrument, methods and computer program products | Stanislav W. Forgang, Alexandre N. Bespalov | 2010-03-30 |
| 7659723 | Broadband resistivity interpretation | Wallace H. Meyer, David C. Herrick | 2010-02-09 |
| 7616001 | Method and apparatus for borehole wall resistivity imaging in the presence of conductive mud and rugose borehole | — | 2009-11-10 |
| 7612567 | Two-axial pad formation resistivity imager | Randy Gold, Alexandre N. Bespalov, Stanislav W. Forgang | 2009-11-03 |
| 7432716 | Method for compensating dielectric attenuation in downhole galvanic measurements | Stanislav W. Forgang, Randy Gold, Homero C. Castillo | 2008-10-07 |
| 7397250 | High resolution resistivity earth imager | Alexandre N. Bespalov | 2008-07-08 |
| 7394258 | High resolution resistivity earth imager | Alexandre N. Bespalov, Randy Gold | 2008-07-01 |
| 7385401 | High resolution resistivity earth imager | Alexandre N. Bespalov | 2008-06-10 |
| 7365545 | Two-axial pad formation resistivity imager | Randy Gold, Alexandre N. Bespalov, Stanislav W. Forgang | 2008-04-29 |
| 7167006 | Method for measuring transient electromagnetic components to perform deep geosteering while drilling | — | 2007-01-23 |