Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488763 | Light weight high temperature well cement compositions and methods | Lance E. Brothers, Barry Ekstrand, D. Chad Brenneis, Jerry D. Childs | 2002-12-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488763 | Light weight high temperature well cement compositions and methods | Lance E. Brothers, Barry Ekstrand, D. Chad Brenneis, Jerry D. Childs | 2002-12-03 |