Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7942098 | Loading tube for shaped charges | Chenghua Han, Bennie Gill | 2011-05-17 |
| 7673566 | Method for use in a wellbore | Chenghua Han | 2010-03-09 |
| 7661474 | Connector assembly and method of use | Jerry D. Campbell, Bennie Gill, Geir Arne Melhus, Wayne Nivens, Kjell M. Randeberg | 2010-02-16 |
| 7481166 | Heat insulating container for a detonator | Chenghua Han | 2009-01-27 |
| 7455104 | Expandable elements | Simon L. Farrant, Manish Kothari, John Corben | 2008-11-25 |
| 7431075 | Propellant fracturing of wells | James E. Brooks, Philip Kneisl, Alexander F. Zazovsky, Alfredo Fayard | 2008-10-07 |
| 7428921 | Well treatment system and method | Brenden M. Grove, Lawrence A. Behrmann, Claude Jones | 2008-09-30 |
| 7409993 | Weight spacer apparatus | Chenghua Han, Bennie Gill, Robert Ferrence, Jerry D. Campbell, Ronald Lutz | 2008-08-12 |
| 7347279 | Charge holder apparatus | Haoming Li, Wanchai Ratanasirigulcha, Steven W. Henderson | 2008-03-25 |
| 7287589 | Well treatment system and method | Brenden M. Grove, Lawrence A. Behrmann, Claude Jones | 2007-10-30 |
| 6966376 | Method and composition for downhole cementing | John F. Vaeth | 2005-11-22 |
| 6230802 | Method and apparatus for gravel packing a well | — | 2001-05-15 |