Issued Patents 2003
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640908 | Apparatus and method for formation testing while drilling with minimum system volume | Stanley C. Jones, John M. Michaels, Jaedong Lee, Matthias Meister | 2003-11-04 |
| 6637524 | Non-rotating sensor assembly for measurement-while-drilling applications | Thomas Kruspe | 2003-10-28 |
| 6626254 | Drilling assembly with a steering device for coiled-tubing operations | Thomas Kruspe, Carsten Freyer, Hans Jurgen Faber | 2003-09-30 |
| 6609568 | Closed-loop drawdown apparatus and method for in-situ analysis of formation fluids | Matthias Meister, John M. Michaels, Jaedong Lee, Stanley C. Jones | 2003-08-26 |
| 6609579 | Drilling assembly with a steering device for coiled-tubing operations | Thomas Kruspe, Carsten Freyer, Hans Jurgen Faber | 2003-08-26 |
| 6585045 | Formation testing while drilling apparatus with axially and spirally mounted ports | Jaedong Lee, John M. Michaels, Matthias Meister, Per-Erik Berger | 2003-07-01 |
| 6581455 | Modified formation testing apparatus with borehole grippers and method of formation testing | Per-Erik Berger, Matthias Meister, John M. Michaels, Jaedong Lee | 2003-06-24 |
| 6543132 | Methods of making mud motors | Thorsten Regener, Markus Walterskoetter | 2003-04-08 |
| 6540032 | Apparatus for transferring electrical energy between rotating and non-rotating members of downhole tools | — | 2003-04-01 |
| 6516898 | Continuous wellbore drilling system with stationary sensor measurements | — | 2003-02-11 |
| 6513606 | Self-controlled directional drilling systems and methods | — | 2003-02-04 |