Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8899349 | Methods for determining formation strength of a wellbore | John Rasmus, Roberto Suarez-Rivera | 2014-12-02 |
| 8757254 | Adjustment of mud circulation when evaluating a formation | Steven G. Villreal, Julian Pop | 2014-06-24 |
| 8672031 | Perforating with wired drill pipe | — | 2014-03-18 |
| 8336629 | Method and system for running subsea test tree and control system without conventional umbilical | Joseph D. Scranton | 2012-12-25 |
| 8015869 | Methods and apparatus to perform pressure testing of geological formations | Raymond V. Nold, III, Alexander F. Zazovsky, Nathan Landsiedel, Nicholas Josep Ellson | 2011-09-13 |
| 7854267 | Methods and systems to activate downhole tools with light | David R. Smith, Rogerio Tadeu Ramos, Arthur H. Hartog | 2010-12-21 |
| 7753121 | Well completion system having perforating charges integrated with a spirally wrapped screen | John R. Whitsitt, Steven W. Henderson | 2010-07-13 |
| 7647980 | Drillstring packer assembly | Pierre-Yves Corre, Philippe Hocquet, Nicholas Josep Ellson, Alexander F. Zazovsky | 2010-01-19 |
| 7546875 | Integrated sand control completion system and method | John R. Whitsitt, Steven W. Henderson | 2009-06-16 |
| 6995360 | Method and sensor for monitoring gas in a downhole environment | Timothy Gareth John Jones, Boris Matveev, Christian Besson, Oliver C. Mullins, Li Jiang | 2006-02-07 |
| 6598682 | Reservoir communication with a wellbore | Ashley Bernard Johnson, James E. Brooks, Lawrence A. Behrmann, Adinathan Venkitaraman, Ian C. Walton +3 more | 2003-07-29 |
| 6564876 | Packer | James D. Hendrickson, Jim B. Benton, Raghu Madhaven, Mitchell G. Willcox, Dinesh R. Patel | 2003-05-20 |
| 6550538 | Communication with a downhole tool | Wolfgang Herrmann, Kenneth R. Goodman, Merlin D. Hansen | 2003-04-22 |
| 6536529 | Communicating commands to a well tool | John A. Kerr, Roderick MacKenzie | 2003-03-25 |
| 6536519 | Downhole tool to generate tension pulses on a slickline | Matthew Sweetland, Christian C. Spring | 2003-03-25 |
| 6412573 | System for indicating the firing of a perforating gun | — | 2002-07-02 |
| 6315050 | Packer | James D. Hendrickson, Jim B. Benton, Raghu Madhavan, Mitchell G. Willcox, Dinesh R. Patel | 2001-11-13 |
| 6298924 | Safety method and apparatus for a perforating gun | Christian C. Spring | 2001-10-09 |
| 6186227 | Packer | James D. Hendrickson, Jim B. Benton, Raghu Madhavan, Mitchell G. Willcox, Dinesh R. Patel | 2001-02-13 |
| 6182764 | Generating commands for a downhole tool using a surface fluid loop | — | 2001-02-06 |
| 6179064 | System for indicating the firing of a perforating gun | — | 2001-01-30 |
| 6173772 | Controlling multiple downhole tools | — | 2001-01-16 |
| 6105688 | Safety method and apparatus for a perforating gun | Christian C. Spring | 2000-08-22 |
| 5691712 | Multiple wellbore tool apparatus including a plurality of microprocessor implemented wellbore tools for operating a corresponding plurality of included wellbore tools and acoustic transducers in response to stimulus signals and acoustic signals | Dale Meek | 1997-11-25 |
| 4995058 | Wireline transmission method and apparatus | Terry Byers | 1991-02-19 |