| 11427749 |
Wax deposit removal using aqueous surfactant |
Yaqin Wu, Ying Xu |
2022-08-30 |
$161,780,000 |
| 10550308 |
Preflush chemicals for scale inhibitor squeeze |
Ying Xu, Greg McLelland, Judy Waters |
2020-02-04 |
$114,354,000 |
| 9359677 |
Method for inhibiting corrosion |
Cameron Mackenzie, Vjera Magdalenic, Artin Moussavi, Michael Joosten, Mohsen Achour |
2016-06-07 |
|
| 8806944 |
High precision ultrasonic corrosion rate monitoring |
Scott A. Grubb |
2014-08-19 |
$95,194,000 |
| 8507034 |
Controlling top of the line corrosion in hydrocarbon pipelines |
Mohsen Achour, Thomas D. Baugh |
2013-08-13 |
$133,509,000 |
| 8294892 |
On-line/at-line monitoring of residual chemical by surface enhanced Raman spectroscopy |
Maziar Sardashti, Frank J. McEnroe |
2012-10-23 |
$228,550,000 |
| 7982872 |
Residual chemical monitoring system using surface enhanced raman spectroscopy |
Maziar Sardashti, Frank J. McEnroe |
2011-07-19 |
$363,956,000 |
| 7876425 |
Method and apparatus for surface enhanced raman spectroscopy |
Maziar Sardashti, Raul J. Barriga |
2011-01-25 |
$307,460,000 |
| 7782448 |
Analysis of the effects of a first substance on the behavior of a second substance using surface enhanced Raman spectroscopy |
Maziar Sardashti, Frank J. McEnroe |
2010-08-24 |
$137,366,000 |
| 7096712 |
Material testing system for turbines |
Jerry Feierabend, Thomas Austin, Sung-I Johnson, Richard D. Sloan, Bradley A. Neugebauer +3 more |
2006-08-29 |
$209,743,000 |
| 6838006 |
Oil field separation facility control system utilizing total organic carbon analyzer |
Jerry Feierabend, Thomas Austin, Sung-I Johnson, Richard D. Sloan, Bradley A. Neugebauer +3 more |
2005-01-04 |
$141,994,000 |
| 6234183 |
Method for removing deposits comprising heavy hydrocarbonaceous materials and finely divided inorganic materials from a flow line using a surfactant composition |
Albert F. Chan, William Mark Bohon, Kieu T. Ly |
2001-05-22 |
|
| 6130199 |
Surfactant composition for cleaning wellbore and oil field surfaces using the surfactant composition |
Albert F. Chan, William Mark Bohon, Kieu T. Ly |
2000-10-10 |
|
| 6112814 |
Method for cleaning wellbore surfaces using coiled tubing with a surfactant composition |
Albert F. Chan, William Mark Bohon, Kieu T. Ly |
2000-09-05 |
|
| 6000412 |
Method for cleaning deposits from a tank using a surfactant composition |
Albert F. Chan, William Mark Bohon, Kieu T. Ly, William G. McLelland |
1999-12-14 |
$240,271,000 |
| 5996692 |
Surfactant composition and method for cleaning wellbore and oil field surfaces using the surfactant composition |
Albert F. Chan, William Mark Bohon, Kieu T. Ly |
1999-12-07 |
$250,393,000 |
| 5874386 |
Method for cleaning drilling fluid solids from a wellbore using a surfactant composition |
Albert F. Chan, William Mark Bohon, Kieu T. Ly |
1999-02-23 |
$63,937,000 |
| 5211715 |
Coring with tubing run tools from a producing well |
John C. Braden, Curtis G. Blount |
1993-05-18 |
$43,575,000 |
| 5082058 |
Composition and method for slowly dissolving siliceous material |
— |
1992-01-21 |
|
| 4703803 |
Composition and method for slowly dissolving siliceous material |
— |
1987-11-03 |
$11,401,000 |
| 4515756 |
Process for extracting tungsten or molybdenum from solution |
— |
1985-05-07 |
$19,313,000 |