Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7778778 | Correction of multi-component measurements for tool eccentricity in deviated wells | Alexandre N. Bespalov, Gulamabbas Merchant, Cynthia Dong Xue, Luis M. Pelegri, Michael Rabinovich +3 more | 2010-08-17 |
| 7759940 | Mutual shielding of collocated induction coils in multi-component induction logging instruments | Stanislav W. Forgang, Luis M. Pelegri | 2010-07-20 |
| 7665544 | Method to improve downhole instruments | Stanislav W. Forgang | 2010-02-23 |
| 7629791 | Method and apparatus for making multi-component measurements in deviated wells | Alexandre N. Bespalov, Gulamabbas Merchant, Cynthia Dong Xue, Luis M. Pelegri, Michael Rabinovich +3 more | 2009-12-08 |
| 7612567 | Two-axial pad formation resistivity imager | Gregory B. Itskovich, Alexandre N. Bespalov, Stanislav W. Forgang | 2009-11-03 |
| 7586309 | Apparatus and method for guiding energy in a subsurface electromagnetic measuring system | Stanislav W. Forgang | 2009-09-08 |
| 7443168 | Compact magnetic sensor for multi-component induction and micro-resistivity measurements | Stanislav W. Forgang | 2008-10-28 |
| 7432716 | Method for compensating dielectric attenuation in downhole galvanic measurements | Stanislav W. Forgang, Gregory B. Itskovich, Homero C. Castillo | 2008-10-07 |
| 7408355 | Borehole conductivity simulator verification and transverse coil balancing | Stanislav W. Forgang, Luis M. Pelegri, Michael S. Crosskno | 2008-08-05 |
| 7394258 | High resolution resistivity earth imager | Gregory B. Itskovich, Alexandre N. Bespalov | 2008-07-01 |
| 7365545 | Two-axial pad formation resistivity imager | Gregory B. Itskovich, Alexandre N. Bespalov, Stanislav W. Forgang | 2008-04-29 |
| 7205770 | Borehole conductivity simulator verification and transverse coil balancing | Stanislav W. Forgang, Luis M. Pelegri, Michael S. Crosskno | 2007-04-17 |
| 5917774 | Magnetic motion coupling for well logging instruments | Arnold Walkow, Albert Alexy, Wade DuPree, Saeed Rafie | 1999-06-29 |
| 5808191 | Well logging instrument string having flexibly coupled segments and a selectably operable flexible coupling therefor | Albert Alexy, Arnold Walkow, James E. Brewer | 1998-09-15 |
| 5705812 | Compaction monitoring instrument system | James E. Brewer, Richard R. Pemper, Izhar Ahmad | 1998-01-06 |
| 5481105 | Neutron backscatter gravel pack logging sonde with azimuthal scan capability | — | 1996-01-02 |
| 5033808 | Quick disconnect fiber optic feedthrough for well borehole usage | Darren E. Smith, Kerry L. Sanderlin | 1991-07-23 |
| 5023450 | Method for discriminating microphonic noise in proportional counters | — | 1991-06-11 |
| 4952801 | Logging tool for measuring the macroscopic thermal neutron capture cross section of borehole fluids | — | 1990-08-28 |
| 4947683 | Pulsed ultrasonic doppler borehole fluid measuring apparatus | John W. Minear | 1990-08-14 |
| 4842355 | Multichannel optical rotary joint for well logging usage | Darren E. Smith | 1989-06-27 |
| 4808838 | Collimated thermal neutron porosity tool | — | 1989-02-28 |
| 4754839 | Well borehole salinity measurement using acoustic velocity | David Rathmann | 1988-07-05 |