Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7416026 | Apparatus for changing flowbore fluid temperature | John Hardin, James W. Estep, David E. Rios-Aleman, Haoshi Song, Christopher A. Maranuk | 2008-08-26 |
| 6973977 | Using fluids at elevated temperatures to increase fracture gradients | — | 2005-12-13 |
| 6840337 | Method and apparatus for removing cuttings | James B. Terry, Patrick Laursen, James W. Estep, Martin D. Paulk, E. Alan Coats +2 more | 2005-01-11 |
| 6814142 | Well control using pressure while drilling measurements | Martin D. Paulk | 2004-11-09 |
| 6745853 | Methods and apparatus for open hole drilling | Katherine Turner | 2004-06-08 |
| 6419018 | Subterranean well completion apparatus with flow assurance system and associated methods | Terry L. Floyd | 2002-07-16 |