Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660078 | Methods, well cement compositions and lightweight additives therefor | Lance E. Brothers, James A. Braden | 2003-12-09 |
| 6648961 | Methods, well cement compositions and lightweight additives therefor | Lance E. Brothers, James A. Braden | 2003-11-18 |
| 6631766 | Methods, well cement compositions and lightweight additives therefor | Lance E. Brothers, James A. Braden, Jan Pieter Vijn, Bach Dao | 2003-10-14 |
| 6601647 | Methods, well cement compositions and lightweight additives therefor | Lance E. Brothers, James A. Braden | 2003-08-05 |
| 6591910 | Methods and compositions for cementing subterranean zones | Jiten Chatterji, D. Chad Brenneis, Dennis W. Gray | 2003-07-15 |