Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8177526 | Gas well dewatering system | Michael A. Dowling, Jason Kamphaus, Harryson Sukianto, John David Rowatt, Arthur I. Watson | 2012-05-15 |
| 8127835 | Integrated cable hanger pick-up system | Michael A. Dowling, Jason Kamphaus, Harryson Sukianto, Joseph Varkey | 2012-03-06 |
| 8082991 | Monitoring and control system for a gas well dewatering pump | Michael A. Dowling, Jason Kamphaus, Harryson Sukianto | 2011-12-27 |
| 7999422 | Linear actuator using magnetostrictive power element | — | 2011-08-16 |
| 7984756 | Overpressure protection in gas well dewatering systems | Michael A. Dowling, Jason Kamphaus, Harryson Sukianto | 2011-07-26 |
| 7980311 | Devices, systems and methods for equalizing pressure in a gas well | Michael A. Dowling, Jason Kamphaus, Harryson Sukianto, Joseph Varkey | 2011-07-19 |
| 7854264 | Volumetric compensating annular bellows | Laure Mandrou, Kevin Hayes, Reinhard Powell | 2010-12-21 |
| 7779684 | Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation | Dale Meek, Julian Pop, Robert W. Sundquist, Thomas D. MacDougall | 2010-08-24 |
| 7675253 | Linear actuator using magnetostrictive power element | — | 2010-03-09 |
| 7581440 | Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation | Dale Meek, Julian Pop, Robert W. Sundquist, Thomas D. MacDougall | 2009-09-01 |
| 7004263 | Directional casing drilling | Keith Moriarty, Michael Robert Johnson, Attilio Pisoni, Ruben Martinez, Spyro Kotsonis +2 more | 2006-02-28 |
| 6840336 | Drilling tool with non-rotating sleeve | Stuart Schaaf, Albert E. Patterson, II | 2005-01-11 |
| 6230557 | Formation pressure measurement while drilling utilizing a non-rotating sleeve | Reinhart Ciglenec | 2001-05-15 |
| 6158529 | Rotary steerable well drilling system utilizing sliding sleeve | — | 2000-12-12 |
| 6109372 | Rotary steerable well drilling system utilizing hydraulic servo-loop | Shu-Kong Chang | 2000-08-29 |
| 6057784 | Apparatus and system for making at-bit measurements while drilling | Stuart Schaaf, Jean Seydoux, Walter Thain, Marcus D. Wernig | 2000-05-02 |
| 6047784 | Apparatus and method for directional drilling using coiled tubing | — | 2000-04-11 |
| 5137109 | Method and apparatus for creating seismic waves in a borehole | — | 1992-08-11 |