Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6856910 | Method and apparatus for determining regional dip properties | Jaideva C. Goswami, Denis Heliot, Christopher E. Morriss | 2005-02-15 |
| 6836218 | Modified tubular equipped with a tilted or transverse magnetic dipole for downhole logging | Mark Frey, Dzevat Omeragic | 2004-12-28 |
| 6822579 | Steerable transceiver unit for downhole data acquistion in a formation | Jaideva C. Goswami, Albert Hoefel, Bradley S. Underwood | 2004-11-23 |
| 6766854 | Well-bore sensor apparatus and method | Reinhart Ciglenec, Thomas D. MacDougall, Kenneth L. Havlinek, Arthur D. Liberman, Ian Bryant +1 more | 2004-07-27 |
| 6727705 | Subsurface monitoring and borehole placement using a modified tubular equipped with tilted or transverse magnetic dipoles | Mark Frey, Dzevat Omeragic | 2004-04-27 |
| 6691779 | Wellbore antennae system and method | Abdurrahman Sezginer, Reinhart Ciglenec | 2004-02-17 |
| 6693553 | Reservoir management system and method | Reinhart Ciglenec | 2004-02-17 |
| 6690170 | Antenna structures for electromagnetic well logging tools | Dean Homan, Gary A. Hazen, Richard A. Rosthal, David L. Smith, Thomas D. Barber +1 more | 2004-02-10 |
| 6426917 | Reservoir monitoring through modified casing joint | Reinhart Ciglenec, Clive Eckersley, Christian Chouzenoux | 2002-07-30 |
| 6188222 | Method and apparatus for measuring resistivity of an earth formation | Jean Seydoux | 2001-02-13 |
| 6070662 | Formation pressure measurement with remote sensors in cased boreholes | Reinhart Ciglenec | 2000-06-06 |
| 6028534 | Formation data sensing with deployed remote sensors during well drilling | Reinhart Ciglenec, Remi Hutin | 2000-02-22 |
| 5963036 | Well logging apparatus and method for determining properties of earth formations that have been invaded by borehole fluid | Peter Wu | 1999-10-05 |
| 5900733 | Well logging method and apparatus for determining downhole Borehole fluid resistivity, borehole diameter, and borehole corrected formation resistivity | Peter Wu | 1999-05-04 |
| 5574371 | Method and apparatus for measuring mud resistivity in a wellbore including a probe having a bottom electrode for propagating a current from and to the bottom electrode in a direction approximately parallel to a longitudinal axis of the probe | Andre Orban | 1996-11-12 |
| 5461562 | Method and apparatus for detecting and quantifying hydrocarbon bearing laminated reservoirs on a workstation | J. N. Antoine | 1995-10-24 |
| 5402069 | Spontaneous potential measurement apparatus connected between metallic housings of a wellbore apparatus for measuring the spontaneous potential of an earth formation | M. Reza Taherian, Tarek M. Habashy | 1995-03-28 |
| 4319192 | Deep and/or shallow electrical resistivity investigation suitable for dual resistivity-induction logging | Roland E. Chemali | 1982-03-09 |
| 4185238 | Apparatus and method for determination of subsurface permittivity and conductivity | Gerald S. Huchital | 1980-01-22 |