Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6978835 | Methods of cementing in subterranean formations | B. Raghava Reddy, Dennis W. Gray, Bryan K. Waugh | 2005-12-27 |
| 6953090 | Cementing subterranean zones using cement compositions containing biodegradable dispersants | Christian Spindler, Gregor Keilhofer, Johann Plank | 2005-10-11 |
| 6936574 | Process for controlling gas migration during well cementing | Bach Dao, Ewout Biezen, Thien Van Pham | 2005-08-30 |