Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660080 | Particulate flow enhancing additives | Ronald E. Sweatman, James F. Heathman, Russell M. Fitzgerald, Ronald J. Crook | 2003-12-09 |
| 6610139 | Methods of preparing particulate flow enhancing additives | Ronald E. Sweatman, James F. Heathman, Russell M. Fitzgerald, Ronald J. Crook | 2003-08-26 |
| 6607035 | Preventing flow through subterranean zones | Larry S. Eoff | 2003-08-19 |
| 6593402 | Resilient well cement compositions and methods | Jiten Chatterji, Roger S. Cromwell, Bobby J. King | 2003-07-15 |
| 6554071 | Encapsulated chemicals for use in controlled time release applications and methods | Ronald J. Crook, Dennis W. Gray, Russell M. Fitzgerald, Bradley L. Todd, Steven B. Laramay | 2003-04-29 |
| 6527051 | Encapsulated chemicals for use in controlled time release applications and methods | Ronald J. Crook, Dennis W. Gray, Russell M. Fitzgerald, Bradley L. Todd, Steven B. Laramay | 2003-03-04 |