Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7165618 | Inductively coupled method and apparatus of communicating with wellbore equipment | Mark W. Brockman, Herve Ohmer | 2007-01-23 |
| 7036600 | Technique for deploying expandables | Craig D. Johnson, Joel McClurkin, Kian Rasa, Peter A. Goode | 2006-05-02 |
| 6727828 | Pressurized system for protecting signal transfer capability at a subsurface location | Christophe Rayssiguier, Alexandre Kosmala, Michael Robert Johnson, Joseph Varkey | 2004-04-27 |
| 6684952 | Inductively coupled method and apparatus of communicating with wellbore equipment | Mark W. Brockman, Herve Ohmer | 2004-02-03 |
| 6582145 | Pressurized connector for high pressure applications | Christophe Rayssiguier | 2003-06-24 |
| 6341652 | Backflow prevention device | Christophe Rayssiguier | 2002-01-29 |
| 6328112 | Valves for use in wells | — | 2001-12-11 |
| 6276458 | Apparatus and method for controlling fluid flow | Ronald E. Pringle | 2001-08-21 |
| 6094401 | Inverse vertical seismic profiling using a measurement while drilling tool as a seismic source | Peter Masak | 2000-07-25 |
| 5941308 | Flow segregator for multi-drain well completion | Eric E. Neme | 1999-08-24 |
| 5901113 | Inverse vertical seismic profiling using a measurement while drilling tool as a seismic source | Peter Masak | 1999-05-04 |
| 5421420 | Downhole weight-on-bit control for directional drilling | Jacques Orban | 1995-06-06 |
| 5375098 | Logging while drilling tools, systems, and methods capable of transmitting data at a plurality of different frequencies | Mike Johnson | 1994-12-20 |
| 5249161 | Methods and apparatus for preventing jamming of encoder of logging while drilling tool | Phillip Karl Jones | 1993-09-28 |
| 5237540 | Logging while drilling tools utilizing magnetic positioner assisted phase shifts | — | 1993-08-17 |