Issued Patents All Time
Showing 25 most recent of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371967 | Wellbore operations system and method | Graham Hitchcock | 2025-07-29 |
| 12276165 | Lost circulation eutectoid alloy downhole deployment tool | Graham Hitchcock | 2025-04-15 |
| 12264281 | Repairing wellbore cement structures and related compositions | Ashok Santra | 2025-04-01 |
| 12152191 | Methods and compositions of low specific gravity eutectic composite particles | Ashok Santra, Christelle Y. Mbuncha | 2024-11-26 |
| 12037870 | Mitigating lost circulation | Ahmed Said Abdelaziz Amer | 2024-07-16 |
| 10316636 | Method of treating a subterranean formation with a mortar slurry designed to form a permearle mortar | Ernesto Rafael Fonseca, Mauricio Jose Farinas Moya, Guy Lode Magda Maria Verbist, Gerardus Johannes Leonardus Van Der Wegen, Henricus Van Selst | 2019-06-11 |
| 9580967 | Increasing formation strength through the use of temperature and temperature coupled particulate to increase near borehole hoop stress and fracture gradients | Robert Loran Galey, Lisa Shave Grant, Jeffrey Robert Scheibal, James Brett Wieseneck, Mary Egan +2 more | 2017-02-28 |
| 9051828 | Thermally assisted gravity drainage (TAGD) | Bryan Gould, Ian Atkinson, Bruce Roberts, Doug Beattie, Stephen D. Crane +2 more | 2015-06-09 |
| 7635023 | Time sequenced heating of multiple layers in a hydrocarbon containing formation | Bernard Goldberg, David Scott Miller, Harold J. Vinegar | 2009-12-22 |
| 6845818 | Method of freeing stuck drill pipe | Azra Nur Tutuncu | 2005-01-25 |
| 5756772 | Reducing polyethercyclicpolyol metal adhesion | George C. Blytas | 1998-05-26 |
| 5756639 | Copolymerization of polyetherpolyols with epoxy resins | George C. Blytas | 1998-05-26 |
| 5686396 | Efficiency of polyglycerol with other additives to remove water from shale | Eric van Oort | 1997-11-11 |
| H1685 | Drilling fluid | Hon Chung Lau, Louis A. Bernardi, Jr. | 1997-10-07 |
| 5673753 | Solidification of water based muds | Kenneth M. Cowan | 1997-10-07 |
| 5656576 | Reducing polyethercyclocpolyol metal adhesion | George C. Blytas | 1997-08-12 |
| 5637795 | Apparatus and test methodology for measurement of bit/stabilizer balling phenomenon in the laboratory | Peringandoor Raman Hariharan, Sanjit Roy | 1997-06-10 |
| 5602082 | Efficiency of ethoxylated/propoxylated polyols with other additives to remove water from shale | Eric van Oort | 1997-02-11 |
| 5558939 | Copolymerization of polyetherpolyols with epoxy resins | George C. Blytas | 1996-09-24 |
| 5515921 | Water-base mud conversion for high tempratice cementing | Kenneth M. Cowan, James J. W. Nahm | 1996-05-14 |
| 5494120 | Glycoside-in-oil drilling fluid system | Royal E. Loftin | 1996-02-27 |
| 5479987 | Drilling and cementing with glycoside-blast furnace slag-drilling fluid | — | 1996-01-02 |
| 5464060 | Universal fluids for drilling and cementing wells | Kenneth M. Cowan, James J. W. Nahm | 1995-11-07 |
| 5436227 | Soluble/insoluble alcohol in drilling fluid | Fersheed Khodadad Mody | 1995-07-25 |
| 5423379 | Solidification of water based muds | Kenneth M. Cowan | 1995-06-13 |