Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7216738 | Acoustic stimulation method with axial driver actuating moment arms on tines | James R. Birchak, Thomas Ritter, Ali Mese, Diederik van Batenburg, William Trainor +7 more | 2007-05-15 |
| 7213681 | Acoustic stimulation tool with axial driver actuating moment arms on tines | James R. Birchak, Thomas Ritter, Ali Mese, Diederik van Batenburg, William Trainor +7 more | 2007-05-08 |
| 7128144 | Formation testing and sampling apparatus and methods | Philip Edmund Fox, Michael E. Shade, Greg Gilbert | 2006-10-31 |
| 7086463 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert, Harold W. Nivens +1 more | 2006-08-08 |
| 7073579 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert, Harold W. Nivens +1 more | 2006-07-11 |
| 7059179 | Multi-probe pressure transient analysis for determination of horizontal permeability, anisotropy and skin in an earth formation | Wilson C. Chin | 2006-06-13 |
| 7021405 | Determining gradients using a multi-probed formation tester | Gregory N. Gilbert, David Earl Ball | 2006-04-04 |
| 7021375 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert, Harold W. Nivens +1 more | 2006-04-04 |
| 6932167 | Formation testing while drilling data compression | Preston Weintraub, Christopher Golla, Svetozar Simeonov | 2005-08-23 |
| 6912904 | Single tube densitometer | Bruce H. Storm, Jr., James Masino, Michael T. Pelletier | 2005-07-05 |
| 6843118 | Formation tester pretest using pulsed flow rate control | Preston Weintraub, Pedro R. Segura | 2005-01-18 |
| 6807857 | Method and apparatus for determining density of a flowing fluid | Bruce H. Storm, Jr. | 2004-10-26 |
| 6799117 | Predicting sample quality real time | Jianghui Wu, James M. Fogal, Madan Mohan Manohar | 2004-09-28 |
| 6755079 | Method and apparatus for determining fluid viscosity | Michael T. Pelletier, Wei Han, Bruce H. Storm, Jr., Roger L. Schultz, Thomas Ritter | 2004-06-29 |
| 6748328 | Determining fluid composition from fluid properties | Bruce H. Storm, Jr., Michael T. Pelletier | 2004-06-08 |
| 6729398 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert, Harold W. Nivens +1 more | 2004-05-04 |
| 6688176 | Single tube densitometer | Bruce H. Storm, Jr., James Masino, Michael T. Pelletier | 2004-02-10 |
| 6619394 | Method and apparatus for treating a wellbore with vibratory waves to remove particles therefrom | Mohamed Soliman, Ali Mese, Clark E. Robison, James R. Birchak, Paul F. Rodney +3 more | 2003-09-16 |
| 6543281 | Downhole densitometer | Michael T. Pelletier, Bruce H. Storm, Jr., James R. Birchak, Thomas Ritter | 2003-04-08 |
| 6527052 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert, Harold W. Nivens +1 more | 2003-03-04 |
| 6446719 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert, Harold W. Nivens +1 more | 2002-09-10 |
| 6446720 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert, Harold W. Nivens +1 more | 2002-09-10 |
| 6412354 | Vibrational forced mode fluid property monitor and method | James R. Birchak, Thomas Ritter, Vimal V. Shah, Curtis M. Vickery | 2002-07-02 |
| 6378364 | Downhole densitometer | Michael T. Pelletier, Bruce H. Storm, Jr., James R. Birchak, Thomas Ritter | 2002-04-30 |
| 6325146 | Methods of downhole testing subterranean formations and associated apparatus therefor | Paul D. Ringgenberg, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert, Harold W. Nivens +1 more | 2001-12-04 |