Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454102 | Methods and systems for optimizing a drilling operation based on multiple formation measurements | Stefan Wessling, Andreas Hartmann | 2022-09-27 |
| D863455 | Toy element | Tony Ramenda, Sebastian Kalies | 2019-10-15 |
| 9482054 | Hole enlargement drilling device and methods for using same | Wolfgang E. Herberg, Gunnar Bothmann, Joachim Treviranus, Carsten Freyer, Hans Oppelaar | 2016-11-01 |
| 9359891 | LWD in-situ sidewall rotary coring and analysis tool | Francisco Galvan-Sanchez, Olufemi A. Adegbola, Chris Morgan, Gigi Zhang | 2016-06-07 |
| 9273522 | Steering head with integrated drilling dynamics control | Olof Hummes, Sven Krueger, Bernd Santelmann, Michael Koppe | 2016-03-01 |
| 9151140 | Downhole tools with electro-mechanical and electro-hydraulic drives | Olof Hummes, Michael Koppe, Volker Krueger, Sven Krueger | 2015-10-06 |
| 8960328 | Drill bit with adjustable side force | Wolfgang E. Herberg | 2015-02-24 |
| 8875810 | Hole enlargement drilling device and methods for using same | Wolfgang E. Herberg, Gunnar Bothman, Joachim Treviranus, Carsten Freyer, Hans Oppelaar | 2014-11-04 |
| 8074741 | Methods, systems, and bottom hole assemblies including reamer with varying effective back rake | — | 2011-12-13 |
| 7996153 | Method and apparatus for formation testing | Eick Niemeyer, Tobias Kischkat | 2011-08-09 |
| 7757551 | Method and apparatus for collecting subterranean formation fluid | — | 2010-07-20 |
| 7729861 | Method and apparatus for formation testing | Eick Niemeyer, Tobias Kischkat | 2010-06-01 |
| 7647824 | System and method for estimating formation supercharge pressure | Jianghui Wu, Jaedong Lee | 2010-01-19 |
| 7644610 | Automated formation fluid clean-up to sampling switchover | — | 2010-01-12 |
| 7416023 | Formation pressure testing apparatus with flexible member and method of formation pressure testing | Sven Krueger, Volker Krueger, Wolfgang E. Herberg, Gunnar Bothmann | 2008-08-26 |
| 7395703 | Formation testing apparatus and method for smooth draw down | Eick Niemeyer, Tobias Kischkat | 2008-07-08 |
| 7266983 | Methods to detect formation pressure | Sven Krueger, Eick Niemeyer, Jaedong Lee | 2007-09-11 |
| 7207216 | Hydraulic and mechanical noise isolation for improved formation testing | Sven Krueger, Christian Liss | 2007-04-24 |
| 7063174 | Method for reservoir navigation using formation pressure testing measurement while drilling | Roland E. Chemali, Tron B. Helgesen, Volker Krueger, Per-Erik Berger, Peter Aronstam | 2006-06-20 |
| 7032661 | Method and apparatus for combined NMR and formation testing for assessing relative permeability with formation testing and nuclear magnetic resonance testing | Dan Georgi, Thomas Kruspe | 2006-04-25 |
| 7011155 | Formation testing apparatus and method for optimizing draw down | Jaedong Lee, Sven Krueger, Eick Niemeyer | 2006-03-14 |
| 6957709 | Apparatus and method for cleaning and sealing a well borehole portion for formation evaluation | Wolfgang E. Herberg, Sven Krueger | 2005-10-25 |
| 6923052 | Methods to detect formation pressure | Sven Krueger, Eick Niemeyer, Jaedong Lee | 2005-08-02 |
| 6871713 | Apparatus and methods for sampling and testing a formation fluid | Sven Krueger | 2005-03-29 |
| 6837314 | Sub apparatus with exchangeable modules and associated method | Volker Krueger, Wolfgang E. Herberg, Gunnar Bothmann, Sven Krueger | 2005-01-04 |