Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7219722 | Apparatus and methods for powering downhole electrical devices | Roger Fincher, Larry Watkins | 2007-05-22 |
| 7188678 | Expandable composite tubulars | Bennett M. Richard, Larry Watkins | 2007-03-13 |
| 7174975 | Control systems and methods for active controlled bottomhole pressure systems | Sven Krueger, Volker Krueger, Harald Grimmer, Roger Fincher, Larry Watkins +1 more | 2007-02-13 |
| 7114581 | Active controlled bottomhole pressure system & method | Volker Krueger, Sven Krueger, Harald Grimmer, Roger Fincher, Larry Watkins +1 more | 2006-10-03 |
| 7104317 | Expandable composition tubulars | Bennett M. Richard, Larry Watkins | 2006-09-12 |
| 7096975 | Modular design for downhole ECD-management devices and related methods | Volker Krueger, Sven Krueger, Harald Grimmer, Roger Fincher, Larry Watkins +1 more | 2006-08-29 |
| 7063174 | Method for reservoir navigation using formation pressure testing measurement while drilling | Roland E. Chemali, Tron B. Helgesen, Volker Krueger, Matthias Meister, Per-Erik Berger | 2006-06-20 |
| 7055627 | Wellbore fluid circulation system and method | Peter Fontana, Roger Fincher, Larry Watkins | 2006-06-06 |
| 6995899 | Fiber optic amplifier for oilfield applications | — | 2006-02-07 |
| 6995677 | Apparatus and methods for monitoring pipelines | Colin Neil Morrison | 2006-02-07 |
| 6980929 | Well data collection system and method | David Emerson, Strode Pennebaker, III | 2005-12-27 |
| 6976535 | Method of utilizing flowable devices in wellbores | Per-Erik Berger | 2005-12-20 |
| 6973972 | Method for reduction of scale during oil and gas production and apparatus for practicing same | — | 2005-12-13 |
| 6935425 | Method for utilizing microflowable devices for pipeline inspections | — | 2005-08-30 |
| 6894949 | Walkaway tomographic monitoring | — | 2005-05-17 |
| 6891477 | Apparatus and methods for remote monitoring of flow conduits | — | 2005-05-10 |
| 6795373 | Permanent downhole resonant source | — | 2004-09-21 |
| 6745833 | Method of utilizing flowable devices in wellbores | Per-Erik Berger | 2004-06-08 |
| 6747914 | Use of minor borehole obstructions as seismic sources | — | 2004-06-08 |
| 6662899 | Use of autonomous moveable obstructions as seismic sources | Michael W. Norris | 2003-12-16 |
| 6456566 | Use of minor borehole obstructions as seismic sources | — | 2002-09-24 |
| 6443228 | Method of utilizing flowable devices in wellbores | Per-Erik Berger | 2002-09-03 |
| 5886255 | Method and apparatus for monitoring mineral production | — | 1999-03-23 |
| 5044461 | Decoupled borehole sensor | — | 1991-09-03 |
| 4715469 | Borehole seismic receiver | Arthur K. Yasuda, William S. Kennedy | 1987-12-29 |