Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692406 | Systems for surface decommissioning of wells | Scott A. Marshall, Daryl L. Grubb, Brian O. Faircloth, Mark S. Zediker | 2023-07-04 |
| 10337273 | Systems, tools and methods for well decommissioning | Brian O. Faircloth, Daryl L. Grubb, Scott A. Marshall, Mark S. Zediker | 2019-07-02 |
| 9399269 | Systems, tools and methods for high power laser surface decommissioning and downhole welding | Mark S. Zediker, Daryl L. Grubb, Brian O. Faircloth, Scott A. Marshall | 2016-07-26 |
| 7934547 | Apparatus and methods to control fluid flow in a downhole tool | Mark Milkovisch, Alexander F. Zazovsky, Stephane Briquet, Christopher S. Del Campo, Raymond V. Nold, III +1 more | 2011-05-03 |
| 7458252 | Fluid analysis method and apparatus | Darcy Freemark, Craig Borman, Ahmed Hammami, Moin Muhammed, Scott Jacobs +5 more | 2008-12-02 |
| 7178591 | Apparatus and method for formation evaluation | Christopher S. Del Campo, Raymond V. Nold, III, Noriyuki Matsumoto, Mark Milkovisch, Hisayo Tauchi +2 more | 2007-02-20 |
| 7069998 | Fuel cell for downhole and subsea power systems | Wenlin Zhang, Vance Nixon | 2006-07-04 |
| 6811382 | Integrated pumping system for use in pumping a variety of fluids | Steven E. Buchanan, Grigory Arauz, Ashley C. Kishino, Lawrence C. Lee, W. Keith Russell +2 more | 2004-11-02 |
| 6766854 | Well-bore sensor apparatus and method | Reinhart Ciglenec, Jacques R. Tabanou, Thomas D. MacDougall, Arthur D. Liberman, Ian Bryant +1 more | 2004-07-27 |
| 6686079 | Fuel cell for downhole power systems | Wenlin Zhang, Donald E. Hensley | 2004-02-03 |
| 6575248 | Fuel cell for downhole and subsea power systems | Wenlin Zhang, Vance Nixon | 2003-06-10 |
| 5779085 | Expandable pin plug for automated use | Michele Tesciuba, Thomas D. MacDougall | 1998-07-14 |
| 5746279 | Method and apparatus for changing bits while drilling with a flexible shaft | Thomas D. MacDougall, Alan J. Sallwasser, Miles Jaroska, Duane LaDue, Wayne A. Tyler +4 more | 1998-05-05 |
| 5687806 | Method and apparatus for drilling with a flexible shaft while using hydraulic assistance | Alan J. Sallwasser, Thomas D. MacDougall, Miles Jaroska, Duane LaDue, Wayne A. Tyler +4 more | 1997-11-18 |