Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9103199 | Apparatus and method for pumping a fluid and an additive from a downhole location into a formation or to another location | Robert W. Lannom | 2015-08-11 |
| 8453760 | Method and apparatus for controlling bottomhole temperature in deviated wells | Roger Fincher, Donald Keith Trichel, Marcus Oesterberg | 2013-06-04 |
| 8455402 | Wellbore operations using controlled variable density fluid | Roger Fincher | 2013-06-04 |
| 8343894 | Controlled variable density fluid for wellbore operations | Roger Fincher | 2013-01-01 |
| 8284075 | Apparatus and methods for self-powered communication and sensor network | Roger Fincher, Peter Aronstam, Randy Gold | 2012-10-09 |
| 8267197 | Apparatus and methods for controlling bottomhole assembly temperature during a pause in drilling boreholes | Roger Fincher, Donald Keith Trichel, Marcus Oesterberg | 2012-09-18 |
| 8134476 | Apparatus and methods for self-powered communication and sensor network | Roland E. Chemali, Volker Krueger, Peter Aronstam, Roger Fincher | 2012-03-13 |
| 8132630 | Reverse circulation pressure control method and system | Sven Krueger, Volker Krueger, Jens-Uwe Bruns, Roger Fincher, Peter Aronstam +1 more | 2012-03-13 |
| 8011450 | Active bottomhole pressure control with liner drilling and completion systems | Sven Krueger, Gerald Heisig, Detlef Hahn, Volker Krueger, Peter Aronstam +2 more | 2011-09-06 |
| 7931098 | Steerable bit system assembly and methods | Peter Aronstam, Roger Fincher | 2011-04-26 |
| 7823689 | Closed-loop downhole resonant source | Peter Aronstam, Roger Fincher, James Edward Goodson, Michael A. Carmody | 2010-11-02 |
| 7806203 | Active controlled bottomhole pressure system and method with continuous circulation system | Sven Krueger, Volker Krueger, Peter Aronstam, Harald Grimmer, Roger Fincher | 2010-10-05 |
| 7802637 | Steerable bit system assembly and methods | Peter Aronstam, Roger Fincher | 2010-09-28 |
| 7757784 | Drilling methods utilizing independently deployable multiple tubular strings | Roger Fincher, Allen Sinor, Joel Wilmes | 2010-07-20 |
| 7748474 | Active vibration control for subterranean drilling operations | Roger Fincher, Peter Aronstam | 2010-07-06 |
| 7730970 | Drilling efficiency through beneficial management of rock stress levels via controlled oscillations of subterranean cutting levels | Roger Fincher, Peter Aronstam, Allen Sinor, John L. Baugh | 2010-06-08 |
| 7721822 | Control systems and methods for real-time downhole pressure management (ECD control) | Sven Krueger, Volker Krueger, Harald Grimmer, Roger Fincher, Peter Aronstam +1 more | 2010-05-25 |
| 7597148 | Formation and control of gas hydrates | Edward J. O'Malley, Bennett M. Richard, Paul McElfresh, Aftab Khokhar, Daniel Lee Crosby +2 more | 2009-10-06 |
| 7487828 | Apparatus and method for powering electrical devices along a pipeline | Roger Fincher, Peter Aronstam | 2009-02-10 |
| 7400262 | Apparatus and methods for self-powered communication and sensor network | Roland E. Chemali, Volker Krueger, Peter Aronstam, Roger Fincher | 2008-07-15 |
| 7353887 | Control systems and methods for active controlled bottomhole pressure systems | Sven Krueger, Volker Krueger, Harald Grimmer, Peter Aronstam, Peter Fontana +1 more | 2008-04-08 |
| 7341116 | Drilling efficiency through beneficial management of rock stress levels via controlled oscillations of subterranean cutting elements | Roger Fincher, Peter Aronstam, Allen Sinor, John L. Baugh | 2008-03-11 |
| 7313052 | System and methods of communicating over noisy communication channels | Roger Fincher, Peter Aronstam | 2007-12-25 |
| 7287604 | Steerable bit assembly and methods | Peter Aronstam, Roger Fincher | 2007-10-30 |
| 7270185 | Drilling system and method for controlling equivalent circulating density during drilling of wellbores | Peter Fontana, Peter Aronstam | 2007-09-18 |