Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811603 | Methods, well cement compositions and lightweight additives therefor | Lance E. Brothers, James A. Braden, Jan Pieter Vijn, Bach Dao | 2004-11-02 |
| 6715552 | Well cementing methods and compositions | Larry S. Eoff | 2004-04-06 |