Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10830023 | Shaped charge system having multi-composition liner | Wenbo Yang, James Guilkey | 2020-11-10 |
| 9976397 | Shaped charge system having multi-composition liner | Wenbo Yang, James Guilkey | 2018-05-22 |
| 9671201 | Dissolvable material application in perforating | Manuel Marya, Wenbo Yang, Steven W. Henderson, Robert Ference | 2017-06-06 |
| 9080432 | Energetic material applications in shaped charges for perforation operations | Wenbo Yang | 2015-07-14 |
| 8950487 | Assemblies and methods for minimizing pressure-wave damage | Carlos Erik Baumann, Harvey Williams, Kenneth R. Goodman, Adil Al Busaidy, Karim Al Sayed +2 more | 2015-02-10 |
| 8726996 | Device for the focus and control of dynamic underbalance or dynamic overbalance in a wellbore | Adil Busaidy, Karim Al Sayed, Fokko Harm Cornelis Doornbosch, Carlos Erik Baumann, Harvey Williams +1 more | 2014-05-20 |
| 8677903 | Dissolvable material application in perforating | Manuel Marya, Wenbo Yang, Steven W. Henderson, Robert Ference | 2014-03-25 |
| 8584772 | Shaped charges for creating enhanced perforation tunnel in a well formation | Wenbo Yang | 2013-11-19 |
| 8424606 | Method and apparatus for perforating with reduced debris in wellbore | Lang Zhan, Jean-Luc Lafontan, Harvey Williams, Jeremy P. Harvey, Brenden M. Grove | 2013-04-23 |
| 8347963 | Controlling transient underbalance in a wellbore | Ashley Bernard Johnson, Wenbo Yang, Fokko Harm Cornelis Doornbosch, Ian C. Walton | 2013-01-08 |
| 8342094 | Dissolvable material application in perforating | Manuel Marya, Wenbo Yang, Steven W. Henderson, Robert Ference | 2013-01-01 |
| 8327746 | Wellbore perforating devices | Francois Black | 2012-12-11 |
| 8156871 | Liner for shaped charges | Wenbo Yang | 2012-04-17 |
| 8127654 | Perforating guns with reduced internal volume | Harvey Williams, Jerry D. Campbell, Ronald Lutz | 2012-03-06 |
| 7984761 | Openhole perforating | Frank F. Chang, Ian C. Walton, Keng Seng Chan | 2011-07-26 |
| 7909115 | Method for perforating utilizing a shaped charge in acidizing operations | Brenden M. Grove, Ian C. Walton | 2011-03-22 |
| 7896077 | Providing dynamic transient pressure conditions to improve perforation characteristics | Brenden M. Grove, Raymond J. Tibbles, Jeremy P. Harvey | 2011-03-01 |
| 7845410 | Openhole perforating | Frank F. Chang, Ian C. Walton, Keng Seng Chan | 2010-12-07 |
| 7775279 | Debris-free perforating apparatus and technique | Manuel Marya, Wenbo Yang, Steven W. Henderson, Robert Ference, Brindesh Dhruva | 2010-08-17 |
| 7640986 | Device and method for reducing detonation gas pressure | Brenden M. Grove | 2010-01-05 |
| 7451819 | Openhole perforating | Frank F. Chang, Ian C. Walton, Keng Seng Chan | 2008-11-18 |
| 7428921 | Well treatment system and method | Brenden M. Grove, Mark C. Duhon, Claude Jones | 2008-09-30 |
| 7287589 | Well treatment system and method | Brenden M. Grove, Mark C. Duhon, Claude Jones | 2007-10-30 |
| 7284612 | Controlling transient pressure conditions in a wellbore | Wanchai Ratanasirigulchai, Andrew J. Martin, Kenneth R. Goodman | 2007-10-23 |
| 7182138 | Reservoir communication by creating a local underbalance and using treatment fluid | Joseph Ayoub, Ian C. Walton, Adinathan Venkitaraman, Frank F. Chang | 2007-02-27 |