Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298070 | Cement fluid loss reduction | — | 1994-03-29 |
| 5284513 | Cement slurry and cement compositions | Arthur H. Hale | 1994-02-08 |
| 5275654 | Cement sealing | — | 1994-01-04 |
| 5275511 | Method for installation of piles in offshore locations | John H. Pelletier, Kris Digre, Earl H. Doyle, Jr., Arthur H. Hale, James J. W. Nahm | 1994-01-04 |
| 5269632 | Method for strengthening the structural base of offshore structures | John H. Pelletier, Arthur H. Hale | 1993-12-14 |
| 5207831 | Cement fluid loss reduction | — | 1993-05-04 |
| 5058679 | Solidification of water based muds | Arthur H. Hale | 1991-10-22 |
| 5020598 | Process for cementing a well | Arthur H. Hale | 1991-06-04 |
| 5016711 | Cement sealing | — | 1991-05-21 |