Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7220707 | Sized barite as a weighting agent for drilling fluids | Jarrod Massam, Neale Browne | 2007-05-22 |
| 7176165 | Method of drilling using a sized barite as a weighting agent for drilling fluids | Jarrod Massam, Neale Browne | 2007-02-13 |