Issued Patents All Time
Showing 26–50 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9650892 | Blended mapping for estimating fluid composition from optical spectra | Kentaro Indo, Julian Pop | 2017-05-16 |
| 9612154 | Method for diagnosing optical spectrometers of downhole tools | Kentaro Indo, Alexis Petit, Vivek Agarwal, Sepand Ossia, Julian Pop | 2017-04-04 |
| 9453408 | System and method for estimating oil formation volume factor downhole | Kentaro Indo, Julian Pop | 2016-09-27 |
| 9441481 | Method and apparatus for identifying fluid attributes | Kentaro Indo, Julian Pop | 2016-09-13 |
| 9347314 | System and method for quantifying uncertainty of predicted petroleum fluid properties | Kentaro Indo, Julian Pop | 2016-05-24 |
| 9334729 | Determining fluid composition downhole from optical spectra | Kentaro Indo, Julian Pop | 2016-05-10 |
| 9334724 | System and method for operating a pump in a downhole tool | Kentaro Indo, Julian Pop | 2016-05-10 |
| 9275009 | Calibration and consistency check of variable volume systems | Kentaro Indo, Sihar Marpaung, Peter S. Hegeman, Michael Mallari Toribio | 2016-03-01 |
| 9243493 | Fluid density from downhole optical measurements | Kentaro Indo, Oliver C. Mullins, Peter S. Hegeman | 2016-01-26 |
| 9169727 | Scattering detection from downhole optical spectra | Kentaro Indo, Julian Pop | 2015-10-27 |
| 9115567 | Method and apparatus for determining efficiency of a sampling tool | Kent David Harms, Steven G. Villareal | 2015-08-25 |
| 9109434 | System and method for estimating oil formation volume factor downhole | Kentaro Indo, Julian Pop | 2015-08-18 |
| 8788210 | Job monitoring methods and apparatus for logging-while-drilling equipment | Sylvain Ramshaw, Julian Pop, Peter Swinburne, Steven G. Villareal | 2014-07-22 |
| 8484003 | Methods, apparatus and articles of manufacture to process measurements of wires vibrating in fluids | Christopher Harrison, Matthew T. Sullivan, Michael Stangeland, Anthony Smits, Anthony Robert Holmes Goodwin | 2013-07-09 |
| 8434356 | Fluid density from downhole optical measurements | Kentaro Indo, Oliver C. Mullins, Peter S. Hegeman | 2013-05-07 |
| 8434357 | Clean fluid sample for downhole measurements | Kentaro Indo, Sihar Marpaung, Kazumasa Kanayama, Peter S. Hegeman | 2013-05-07 |
| 8433520 | Job monitoring methods and apparatus for logging-while-drilling equipment | Sylvain Ramshaw, Julian Pop, Peter Swinburne, Steven G. Villareal | 2013-04-30 |
| 8335650 | Methods and apparatus to determine phase-change pressures | Kentaro Indo, Peter S. Hegeman, Carsten Sonne | 2012-12-18 |
| 8166812 | Vibrating wire viscometers | Emmanuel Desroques, Sophie Nazik Godefroy, Anthony Robert Holmes Goodwin, Christopher Harrison, Noriyuki Matsumoto | 2012-05-01 |
| 8146655 | Methods and apparatus for downhole characterization of emulsion stability | Kentaro Indo | 2012-04-03 |
| 8136394 | Methods and apparatus for analyzing a downhole fluid | Emmanuel Desroques, Kentaro Indo | 2012-03-20 |
| 8060311 | Job monitoring methods and apparatus for logging-while-drilling equipment | Sylvain Ramshaw, Julian Pop, Peter Swinburne, Steven G. Villareal | 2011-11-15 |
| 8024125 | Methods and apparatus to monitor contamination levels in a formation fluid | Peter S. Hegeman, Chengli Dong, Ricardo Vasques | 2011-09-20 |
| 7913556 | Methods and apparatus to determine the compressibility of a fluid | Peter S. Hegeman | 2011-03-29 |
| 7878243 | Method and apparatus for sampling high viscosity formation fluids | Anthony Robert Holmes Goodwin, Peter S. Hegeman, Julian Pop, Ashley C. Kishino, Gary John Tustin +3 more | 2011-02-01 |