| 11732572 |
Method and system for determining depths of drill cuttings |
— |
2023-08-22 |
| 11268371 |
Method and system for determining depths of drill cuttings |
— |
2022-03-08 |
| 10458224 |
Monitoring of equipment associated with a borehole/conduit |
Paul Dickenson, Gareth Lees, Arthur H. Hartog, Cheng-Gang Xie, Ashley Bernard Johnson +4 more |
2019-10-29 |
| 9581475 |
Multiphase flowmeter |
Ashley Bernard Johnson, Gary Oddie, Cheng-Gang Xie |
2017-02-28 |
| 9528869 |
Method of compensating for changes in water properties in a multiphase flow meter |
Cheng-Gang Xie, Ian Atkinson |
2016-12-27 |
| 9291046 |
Dual or twin-well completion with wettability alteration for segregated oil and water production |
Terizhandur S. Ramakrishnan, John Cook |
2016-03-22 |
| 8916815 |
Immersion probe for multi-phase flow assurance |
Cheng-Gang Xie |
2014-12-23 |
| 8770283 |
Systems and methods for distributed interferometric acoustic monitoring |
Arthur H. Hartog, J. Ernest Brown, John Cook, Jonathan Elphick, Ashley Bernard Johnson |
2014-07-08 |
| 8347958 |
Systems and methods for distributed interferometric acoustic monitoring |
Arthur H. Hartog, J. Ernest Brown, John Cook, Jonathan Elphick, Ashley Bernard Johnson |
2013-01-08 |
| 8285491 |
Devices and methods for quantification of liquids in gas-condensate wells |
Cheng-Gang Xie |
2012-10-09 |
| 8225867 |
Systems and methods for distributed interferometric acoustic monitoring |
Arthur H. Hartog, J Ernest Brown, John Cook, Jonathan Elphick, Ashley Bernard Johnson |
2012-07-24 |
| 7946341 |
Systems and methods for distributed interferometric acoustic monitoring |
Arthur H. Hartog, J. Ernest Brown, John Cook, Jonathan Elphick, Ashley Bernard Johnson |
2011-05-24 |
| 7717000 |
Isokinetic sampling |
Cheng-Gang Xie, Ian Atkinson, Gary Oddie, Paul Bolchover |
2010-05-18 |
| 7558716 |
Method and system for estimating the amount of supercharging in a formation |
— |
2009-07-07 |
| 7031841 |
Method for determining pressure of earth formations |
Alexander F. Zazovsky, Julian Pop |
2006-04-18 |
| 6896074 |
System and method for installation and use of devices in microboreholes |
John Cook, Iain Cooper, Benjamin Peter Jeffryes, Richard Timothy Coates, William Wang +3 more |
2005-05-24 |
| 6831470 |
Methods and apparatus for estimating on-line water conductivity of multiphase mixtures |
Cheng-Gang Xie, Gerard Segeral, Gilles Roux |
2004-12-14 |
| 6552575 |
Word line testability improvement |
William Barnes |
2003-04-22 |
| 6529396 |
Address decoder optimization |
— |
2003-03-04 |
| 5331156 |
Method of analyzing oil and water fractions in a flow stream |
Daniel R. Hines, Noboru Wada, Stephen Garoff, Oliver C. Mullins, Jeffrey A. Tarvin +2 more |
1994-07-19 |
| 4427363 |
Flame rectification detectors |
— |
1984-01-24 |
