Issued Patents All Time
Showing 1–25 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359110 | Methods involving cements that employ carbon dioxide as a reactant | Robert L. Zeller, III, Elias R. CALLAHAN, III, James S. WILLIS | 2025-07-15 |
| 11884872 | Magnetorheological fluids and methods of using same | Eric van Oort, Sriramya Duddukuri Nair, Raissa Ferron | 2024-01-30 |
| 10836949 | Magnetorheological fluids and methods of using same | Eric van Oort, Sriramya Duddukuri Nair, Raissa Ferron | 2020-11-17 |
| 9593552 | Cementing a wellbore using cementing material encapsulated in a shell | Roger D. Aines, William L. Bourcier, Eric B. Duoss, William C. Floyd, III, Christopher M. Spadaccini +1 more | 2017-03-14 |
| 9416619 | Cementing a wellbore using cementing material encapsulated in a shell | Roger D. Aines, William L. Bourcier, Eric B. Duoss, William C. Floyd, III, Christopher M. Spadaccini +1 more | 2016-08-16 |
| 7741249 | Geosynthetic composite for borehole strengthening | — | 2010-06-22 |
| 7723271 | Method for sealing pipe in a well | — | 2010-05-25 |
| 7696133 | Geosynthetic composite for borehole strengthening | — | 2010-04-13 |
| 7527094 | Double barrier system for an in situ conversion process | Billy John McKinzie, II, Harold J. Vinegar, Wolfgang Friedrich Johann Deeg, Sau-Wai Wong | 2009-05-05 |
| 7343974 | Method and apparatus for performing chemical treatments of exposed geological formations | — | 2008-03-18 |
| 7320951 | Silica-based drilling mud comprising glycoside lubricants with amino-linked alkyl chains | Michele Scott Albrecht, Robert Irving McNeil, III, Eric van Oort, Ronald Lee Rock | 2008-01-22 |
| 7048067 | Wellbore casing repair | Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Reece E. Wyant, Lev Ring +6 more | 2006-05-23 |
| 5673753 | Solidification of water based muds | Arthur H. Hale | 1997-10-07 |
| 5580379 | Emulsion in blast furnace slag mud solidification | — | 1996-12-03 |
| 5553670 | Optimizing blast furnace slag cements | — | 1996-09-10 |
| 5515921 | Water-base mud conversion for high tempratice cementing | Arthur H. Hale, James J. W. Nahm | 1996-05-14 |
| 5499677 | Emulsion in blast furnace slag mud solidification | — | 1996-03-19 |
| 5488991 | Alumina wellbore cement composition | James J. W. Nahm, Reece E. Wyant, Robert N. Romero | 1996-02-06 |
| 5484020 | Remedial wellbore sealing with unsaturated monomer system | — | 1996-01-16 |
| 5464060 | Universal fluids for drilling and cementing wells | Arthur H. Hale, James J. W. Nahm | 1995-11-07 |
| 5439056 | Coal slag solidification of drilling fluid | — | 1995-08-08 |
| 5423379 | Solidification of water based muds | Arthur H. Hale | 1995-06-13 |
| 5411092 | Optimizing blast furnace slag cements | — | 1995-05-02 |
| 5409064 | Optimizing blast furnace slag cements | — | 1995-04-25 |
| 5409063 | Optimizing blast furnace slag cements | — | 1995-04-25 |