Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7150316 | Method of eliminating conductive drill parasitic influence on the measurements of transient electromagnetic components in MWD tools | — | 2006-12-19 |
| 7049815 | Method and apparatus for multi-frequency NMR diffusion measurements in the presence of internal magnetic field gradients | Arcady Reiderman | 2006-05-23 |
| 7046009 | Method for measuring transient electromagnetic components to perform deep geosteering while drilling | — | 2006-05-16 |
| 6937022 | Method and apparatus for a quadrupole transmitter for directionally sensitive induction tool | Alexander Bespalov, Borislav J. Tchakarov | 2005-08-30 |
| 6903553 | Method and apparatus for a quadrupole transmitter for directionally sensitive induction tool | Alexander Bespalov, Borislav J. Tchakarov | 2005-06-07 |
| 6597170 | Optimal excitation pulse shaping for multi-frequency measurements in NMR logging | David R. Beard, Arcady Reiderman, Songhua Chen | 2003-07-22 |
| 6437564 | Estimate of transversal motion of the NMR tool during logging | David R. Beard, Arcady Reiderman | 2002-08-20 |
| 6429654 | Nuclear magnetic resonance pulse sequence for improving signal-to-noise ratio | Arcady Reiderman | 2002-08-06 |
| 6353322 | Method for automatically calibrating resistivity well logs for effects of change in wellbore diameter and circuit drift | Leonty A. Tabarovsky | 2002-03-05 |
| 6163153 | Nuclear magnetic resonance pulse sequence for optimizing instrument electrical power usage | Arcady Reiderman | 2000-12-19 |
| 6060886 | Radial sounding electrical well logging instrument | Leonty A. Tabarovsky, Antonio Fabris, Alberto Mezzatesta | 2000-05-09 |
| 5814988 | Combination nuclear magnetic resonance and electromagnetic induction resistivity well logging instrument and method | Stanislav Forgang | 1998-09-29 |
| 5764058 | Signal processing method for determining the number of exponential decay parameters in multiexponentially decaying signals and its application to nuclear magnetic resonance well logging | Alexander Roytvarf | 1998-06-09 |
| 5736637 | Downhole multiphase flow sensor | John T. Evans, Stanislav Forgang | 1998-04-07 |