Issued Patents All Time
Showing 251–275 of 309 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7143828 | Emulsion admixtures for improving cement elasticity | Krishna M. Ravi | 2006-12-05 |
| 7138446 | Elastomeric admixtures for improving cement elasticity | Krishna M. Ravi | 2006-11-21 |
| 7117942 | Methods useful for controlling fluid loss during sand control operations | Eldon D. Dalrymple, Larrry S. Eoff | 2006-10-10 |
| 7114568 | Hydrophobically modified polymers for a well completion spacer fluid | Larry S. Eoff, Eldon D. Dalrympre, Frank Zamora | 2006-10-03 |
| 7091159 | Compositions for and methods of stabilizing subterranean formations containing clays | Larry S. Eoff, J. Michael Wilson | 2006-08-15 |
| 7091160 | Methods and compositions for reducing subterranean formation permeabilities | Bach Dao, Marco Verlaan, Ron Bouwmeester, Ewout Biezen | 2006-08-15 |
| 7082998 | Systems and methods for placing a braided, tubular sleeve in a well bore | Frank Zamora, Mark D. Kalman | 2006-08-01 |
| 7073584 | Processes for incorporating inert gas in a cement composition containing spherical beads | Frank Zamora, Ronald J. Crook | 2006-07-11 |
| 7026272 | Methods and compositions for sealing oil containing subterranean zones | Gary P. Funkhouser, David L. Brown | 2006-04-11 |
| 7007752 | Well treatment fluid and methods with oxidized polysaccharide-based polymers | Larry S. Eoff, Eldon D. Dalrymple | 2006-03-07 |
| 7007755 | Elastomeric admixtures for improving cement elasticity | Krishna M. Ravi | 2006-03-07 |
| 7000701 | Compositions and methods for weighting a breaker coating for uniform distribution in a particulate pack | Bradley L. Todd | 2006-02-21 |
| 6992048 | Methods of generating gas in well treating fluids | Krishna M. Ravi, Karen Luke, Rickey L. Morgan | 2006-01-31 |
| 6983799 | Method of using a swelling agent to prevent a cement slurry from being lost to a subterranean formation | Frank Zamora, James J. Venditto, Robert Sepulvado | 2006-01-10 |
| 6981552 | Well treatment fluid and methods with oxidized polysaccharide-based polymers | Larry S. Eoff, Eldon D. Dalrymple | 2006-01-03 |
| 6978835 | Methods of cementing in subterranean formations | Dennis W. Gray, Bryan K. Waugh, Jan Pieter Vijn | 2005-12-27 |
| 6964302 | Zeolite-containing cement composition | Karen Luke, Russell M. Fitzgerald, Frank Zamora, Glen C. Fyten, Keith A. Rispler +3 more | 2005-11-15 |
| 6951250 | Sealant compositions and methods of using the same to isolate a subterranean zone from a disposal well | Philip D. Nguyen | 2005-10-04 |
| 6889767 | Cementing compositions and methods of cementing in a subterranean formation using an additive for preventing the segregation of lightweight beads. | Sears T. Dealy | 2005-05-10 |
| 6881708 | Compositions for solving lost circulation problems | Jiten Chatterji, Roger S. Cromwell | 2005-04-19 |
| 6858566 | Methods of generating gas in and foaming well cement compositions | Karen Luke, Bryan K. Waugh, Roger S. Cromwell | 2005-02-22 |
| 6848519 | Methods of forming a chemical casing | Larry S. Eoff, Donald L. Whitfill, J. Michael Wilson, Denise Berryhill, Russel Fitzgerald +2 more | 2005-02-01 |
| 6846420 | Process for removing oil from solid materials recovered from a well bore | Sears T. Dealy, Ian D. Robb | 2005-01-25 |
| 6837316 | Methods of consolidating formations | Larry S. Eoff, Donald L. Whitfill, J. Michael Wilson, Denise Berryhill, Russel Fitzgerald +2 more | 2005-01-04 |
| 6832651 | Cement composition exhibiting improved resilience/toughness and method for using same | Krishna M. Ravi, Rickey L. Morgan | 2004-12-21 |