Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488763 | Light weight high temperature well cement compositions and methods | Lance E. Brothers, Susan M. Turkett, Barry Ekstrand, D. Chad Brenneis | 2002-12-03 |
| 6332921 | Cement compositions and methods for high temperature wells containing carbon dioxide | Lance E. Brothers, Susan M. Turkett, Barry Ekstrand, D. Chad Brenneis | 2001-12-25 |
| 6143069 | Light weight high temperature well cement compositions and methods | Lance E. Brothers, Susan M. Turkett, Barry Ekstrand, D. Chad Brenneis | 2000-11-07 |
| 5900053 | Light weight high temperature well cement compositions and methods | Lance E. Brothers, D. Chad Brenneis | 1999-05-04 |
| 5588488 | Cementing multi-lateral wells | Jan Pieter Vijn, Zacharias Xenakis, Daniel L. Bour | 1996-12-31 |
| 5151203 | Composition and method for cementing a well | Wendell D. Riley | 1992-09-29 |
| 5147565 | Foamed well cementing compositions and methods | Daniel L. Bour | 1992-09-15 |
| 5133409 | Foamed well cementing compositions and methods | Daniel L. Bour | 1992-07-28 |
| 5127955 | Chloride-free set accelerated cement compositions and methods | Slaton E. Fry, Patty L. Totten, Donald W. Lindsey | 1992-07-07 |
| 4703801 | Method of reducing fluid loss in cement compositions which may contain substantial salt concentrations | Slaton E. Fry, Lance E. Brothers, Donald W. Lindsey | 1987-11-03 |
| 4676832 | Set delayed cement compositions and methods of using the same | David L. Sutton, Freddie Lynne Sabins | 1987-06-30 |
| 4676317 | Method of reducing fluid loss in cement compositions which may contain substantial salt concentrations | Slaton E. Fry, Lance E. Brothers, Donald W. Lindsey | 1987-06-30 |
| 4582139 | Set retarded cement compositions and well cementing methods | Freddie Lynne Sabins | 1986-04-15 |
| 4524828 | Method of using thixotropic cements for combating gas migration problems | Fred Sabins | 1985-06-25 |
| 4515216 | Method of using thixotropic cements for combating lost circulation problems | Fred Sabins, Mary J. Taylor | 1985-05-07 |
| 4461644 | Light weight composition and a method of sealing a subterranean formation | Lance E. Brothers, Joseph R. Murphey | 1984-07-24 |
| 4450010 | Well cementing process and gasified cements useful therein | John F. Burkhalter, David L. Sutton | 1984-05-22 |
| 4450009 | Method of preparing a light weight cement composition from sea water | Lance E. Brothers, Mary J. Taylor | 1984-05-22 |
| RE31190 | Oil well cementing process | William J. Detroit, Michael E. Sanford, Jiten Chatterji, Charles R. George, Roosevelt Love | 1983-03-29 |
| RE31127 | Oil well cementing process | Roosevelt Love | 1983-01-18 |
| 4367093 | Well cementing process and gasified cements useful therein | John F. Burkhalter, David L. Sutton | 1983-01-04 |