Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805199 | Process and system for effective and accurate foam cement generation and placement | — | 2004-10-19 |
| 6779607 | Method and apparatus for acidizing a subterranean well formation for improving hydrocarbon production | Richard L. Middaugh | 2004-08-24 |
| 6742441 | Continuously variable displacement pump with predefined unswept volume | Stanley V. Stephenson | 2004-06-01 |
| 6725933 | Method and apparatus for acidizing a subterranean well formation for improving hydrocarbon production | Richard L. Middaugh | 2004-04-27 |
| 6719054 | Method for acid stimulating a subterranean well formation for improving hydrocarbon production | Alick Cheng, Matthew Rees, Abraham Khallad, Keith A. Rispler | 2004-04-13 |