Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938707 | Method and system for minimizing circulating fluid return losses during drilling of a well bore | Joseph H. Schmidt, John Lofton, James B. Bloys, Gregory P. Pepin | 2005-09-06 |
| 6860328 | Method for selectively positioning proppants in high contrast permeability formations to enhance hydrocarbon recovery | Joseph H. Schmidt | 2005-03-01 |