Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9587161 | Drilling fluid containing a surfactant having a high boiling point and a long chain tail group | — | 2017-03-07 |
| 9587162 | Drilling fluid containing a surfactant having a high boiling point and a long chain tail group | — | 2017-03-07 |
| 6989352 | Silicic acid mud lubricants | Jim D. Kerchevile, Kenneth W. Pober | 2006-01-24 |
| 6889780 | Method for drilling depleted sands with minimal drilling fluid loss | Donald L. Whitfill, Kenneth W. Pober, Thomas R. Carlson, Uday Tare, Joe L. Billingsley | 2005-05-10 |
| 6737385 | Well drilling and servicing fluids and methods of removing filter cake deposited thereby | Bradley L. Todd, B. Raghava Reddy, James D. Kercheville | 2004-05-18 |
| 6422314 | Well drilling and servicing fluids and methods of removing filter cake deposited thereby | Bradley L. Todd, B. Raghava Reddy, James D. Kercheville | 2002-07-23 |
| 5925598 | Water-based drilling fluid for use in shale formations | Fersheed Khodadad Mody | 1999-07-20 |
| 5555937 | Method and combination of materials for releasing a stuck pipe | Jeffrey P. Kirsner | 1996-09-17 |
| 5415230 | Method and combination for materials for releasing a stuck pipe | Jeffrey P. Kirsner | 1995-05-16 |
| 4748849 | Apparatus for dynamically measuring fluid loss characteristics | Dale E. Jamison | 1988-06-07 |