Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454867 | Cement agglomeration | Lance E. Brothers, J. Erlan Longendelpher, Frank L. Sands, Kevin D. Edgley | 1995-10-03 |
| 5398759 | Set retarded ultra fine cement compositions and methods | Klein A. Rodrigues | 1995-03-21 |
| 5273580 | High temperature well cement compositions and methods | Patty L. Totten, Bobby J. King | 1993-12-28 |
| 5184680 | High temperature well cement compositions and methods | Patty L. Totten, Bobby J. King | 1993-02-09 |
| 5127955 | Chloride-free set accelerated cement compositions and methods | Slaton E. Fry, Patty L. Totten, Jerry D. Childs | 1992-07-07 |
| 5049288 | Set retarded cement compositions and methods for well cementing | Lance E. Brothers, Dralen T. Terry | 1991-09-17 |
| 4941536 | Set retarded cement compositions and methods for well cementing | Lance E. Brothers, Dralen T. Terry | 1990-07-17 |
| 4703801 | Method of reducing fluid loss in cement compositions which may contain substantial salt concentrations | Slaton E. Fry, Jerry D. Childs, Lance E. Brothers | 1987-11-03 |
| 4676317 | Method of reducing fluid loss in cement compositions which may contain substantial salt concentrations | Slaton E. Fry, Jerry D. Childs, Lance E. Brothers | 1987-06-30 |