| 9000942 |
Borehole telemetry system |
Ian Atkinson, Yuehua Chen, Arthur H. Hartog, Franck Monmont, Rogerio Tadeu Ramos +1 more |
2015-04-07 |
| 7933018 |
Spectral imaging for downhole fluid characterization |
Stephane Vannuffelen, Ahmed Hammami, Toru Terabayashi, Tsutomu Yamate, Terry Sopkow +6 more |
2011-04-26 |
| 7703517 |
Downhole sampling tool and method for using same |
Julian Pop, Simon Bittleston, Angus J. Melbourne, Rogerio Tadeu Ramos |
2010-04-27 |
| 7679992 |
Wettability from electro-kinetic and electro-osmosis measurements |
Min-Yi Chen, Austin Boyd |
2010-03-16 |
| 7586310 |
While-drilling apparatus for measuring streaming potentials and determining earth formation characteristics and other useful information |
Min-Yi Chen, Brian Clark, Anthony Collins |
2009-09-08 |
| 7469746 |
Downhole sampling tool and method for using same |
Julian Pop, Simon Bittleston, Angus J. Melbourne, Rogerio Tadeu Ramos |
2008-12-30 |
| 7466136 |
While-drilling methodology for determining earth formation characteristics and other useful information based upon streaming potential measurements |
Min-Yi Chen, Brian Clark, Anthony Collins |
2008-12-16 |
| 7388380 |
While-drilling apparatus for measuring streaming potentials and determining earth formation characteristics and other useful information |
Min-Yi Chen, Brian Clark, Anthony Collins |
2008-06-17 |
| 7347262 |
Downhole sampling tool and method for using same |
Julian Pop, Simon Bittleston, Angus J. Melbourne, Rogerio Tadeu Ramos |
2008-03-25 |
| 7301345 |
While-drilling methodology for estimating formation pressure based upon streaming potential measurements |
Min-Yi Chen, Brian Clark, Anthony Collins |
2007-11-27 |
| 6946645 |
Measuring system with sweeping comb filter and multiplexer |
Robert J. Schroeder, Rogerio Tadeu Ramos, Tsutomu Yamate |
2005-09-20 |
| 6751556 |
Technique and system for measuring a characteristic in a subterranean well |
Robert J. Schroeder, Rogerio Tadeu Ramos, George A. Brown |
2004-06-15 |
| 5790185 |
Video inspection or logging tool |
Francois M. Auzerais, Robert J. Schroeder, Benoit Couet |
1998-08-04 |
| 5331156 |
Method of analyzing oil and water fractions in a flow stream |
Daniel R. Hines, Noboru Wada, Stephen Garoff, Oliver C. Mullins, Paul Hammond +2 more |
1994-07-19 |
| 5166747 |
Apparatus and method for analyzing the composition of formation fluids |
Robert J. Schroeder |
1992-11-24 |
| 4994671 |
Apparatus and method for analyzing the composition of formation fluids |
Kambiz A. Safinya |
1991-02-19 |
| 4641524 |
Optical humidity sensor |
— |
1987-02-10 |
