Issued Patents All Time
Showing 76–100 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689208 | Lightweight cement compositions and methods of cementing in subterranean formations | — | 2004-02-10 |
| 6668928 | Resilient cement | — | 2003-12-30 |
| 6660078 | Methods, well cement compositions and lightweight additives therefor | Krista L. Keener, James A. Braden | 2003-12-09 |
| 6648961 | Methods, well cement compositions and lightweight additives therefor | Krista L. Keener, James A. Braden | 2003-11-18 |
| 6631766 | Methods, well cement compositions and lightweight additives therefor | Krista L. Keener, James A. Braden, Jan Pieter Vijn, Bach Dao | 2003-10-14 |
| 6601647 | Methods, well cement compositions and lightweight additives therefor | Krista L. Keener, James A. Braden | 2003-08-05 |
| 6561273 | Oil based compositions and method for temporarily sealing subterranean zones | Ronald J. Crook, Anthony Palmer | 2003-05-13 |
| 6488763 | Light weight high temperature well cement compositions and methods | Susan M. Turkett, Barry Ekstrand, D. Chad Brenneis, Jerry D. Childs | 2002-12-03 |
| 6332921 | Cement compositions and methods for high temperature wells containing carbon dioxide | Susan M. Turkett, Barry Ekstrand, D. Chad Brenneis, Jerry D. Childs | 2001-12-25 |
| 6244343 | Cementing in deep water offshore wells | Anthony Palmer | 2001-06-12 |
| 6220350 | High strength water soluble plug | Larry S. Eoff | 2001-04-24 |
| 6143069 | Light weight high temperature well cement compositions and methods | Susan M. Turkett, Barry Ekstrand, D. Chad Brenneis, Jerry D. Childs | 2000-11-07 |
| 6026903 | Bidirectional disappearing plug | Perry C. Shy, John C. Gano, David L. Reesing, Michael P. Adams, James R. Longbottom +1 more | 2000-02-22 |
| 5900053 | Light weight high temperature well cement compositions and methods | D. Chad Brenneis, Jerry D. Childs | 1999-05-04 |
| 5779787 | Well cement compositions containing rubber particles and methods of cementing subterranean zones | David D. Onan, Rickey L. Morgan | 1998-07-14 |
| 5765641 | Bidirectional disappearing plug | Perry C. Shy, John C. Gano, David L. Reesing, Michael P. Adams, James R. Longbottom +1 more | 1998-06-16 |
| 5484478 | High temperature set retarded cement compositions and methods | — | 1996-01-16 |
| 5479986 | Temporary plug system | John C. Gano, Jim Longbottom, Bill W. Loughridge | 1996-01-02 |
| 5472051 | Low temperature set retarded well cement compositions and methods | — | 1995-12-05 |
| 5454867 | Cement agglomeration | J. Erlan Longendelpher, Donald W. Lindsey, Frank L. Sands, Kevin D. Edgley | 1995-10-03 |
| 5348584 | Hydrocarbon liquid and water dispersible particulate cement compositions | Jeffrey A. Dahl | 1994-09-20 |
| 5340397 | Set retarded ultra fine cement compositions and methods | — | 1994-08-23 |
| 5263542 | Set retarded ultra fine cement compositions and methods | — | 1993-11-23 |
| 5135577 | Composition and method for inhibiting thermal thinning of cement | — | 1992-08-04 |
| 5049288 | Set retarded cement compositions and methods for well cementing | Donald W. Lindsey, Dralen T. Terry | 1991-09-17 |