Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10015910 | Heat pop with near-azeotropic binary fluid | — | 2018-07-03 |
| 9763359 | Heat pipe with near-azeotropic binary fluid | — | 2017-09-12 |
| 7618495 | Method for pickling a work string using dispersed solvent-in-acid fluid design | — | 2009-11-17 |
| 7514390 | Method for removing filter cake from a horizontal wellbore using acid foam | — | 2009-04-07 |
| 7514391 | Method and composition for removing filter cake from a horizontal wellbore using a stable acid foam | — | 2009-04-07 |
| 6911417 | Water block removal with surfactant based hydrocarbonaceous liquid system | Michael Erwin | 2005-06-28 |
| 6566310 | Tandem spacer fluid system and method for positioning a cement slurry in a wellbore annulus | — | 2003-05-20 |
| 6283213 | Tandem spacer fluid system and method for positioning a cement slurry in a wellbore annulus | — | 2001-09-04 |
| 6234183 | Method for removing deposits comprising heavy hydrocarbonaceous materials and finely divided inorganic materials from a flow line using a surfactant composition | William Mark Bohon, David J. Blumer, Kieu T. Ly | 2001-05-22 |
| 6130199 | Surfactant composition for cleaning wellbore and oil field surfaces using the surfactant composition | William Mark Bohon, David J. Blumer, Kieu T. Ly | 2000-10-10 |
| 6112814 | Method for cleaning wellbore surfaces using coiled tubing with a surfactant composition | William Mark Bohon, David J. Blumer, Kieu T. Ly | 2000-09-05 |
| 6110885 | Acidic surfactant composition and method for cleaning wellbore and flowline surfaces using the surfactant composition | — | 2000-08-29 |
| 6090754 | Surfactant blends for well operation | Kieu T. Ly | 2000-07-18 |
| 6000412 | Method for cleaning deposits from a tank using a surfactant composition | William Mark Bohon, David J. Blumer, Kieu T. Ly, William G. McLelland | 1999-12-14 |
| 5996692 | Surfactant composition and method for cleaning wellbore and oil field surfaces using the surfactant composition | William Mark Bohon, David J. Blumer, Kieu T. Ly | 1999-12-07 |
| 5977032 | Acidic surfactant composition and method for cleaning wellbore and flowline surfaces using the surfactant composition | — | 1999-11-02 |
| 5874386 | Method for cleaning drilling fluid solids from a wellbore using a surfactant composition | William Mark Bohon, David J. Blumer, Kieu T. Ly | 1999-02-23 |
| 5830831 | Surfactant blends for well operations | Kieu T. Ly | 1998-11-03 |
| 5458197 | Well cleanout system and method | — | 1995-10-17 |
| 5374361 | Well cleanout using caustic alkyl polyglycoside compositions | — | 1994-12-20 |
| 4415033 | Inverse viscosity grading | Jerry F. Casteel | 1983-11-15 |