| 7730968 |
Apparatus for wellbore communication |
David Hosie, Michael Lynch, Jack Allen, David Pavel, Joe Noske +4 more |
2010-06-08 |
| 7520333 |
Hydraulic sleeve valve with position indication, alignment, and bypass |
Dewayne Turner, Richard J. Ross, Todd Ulrich Chretien |
2009-04-21 |
| 7413018 |
Apparatus for wellbore communication |
David Hosie, Michael Lynch, Jack Allen, David Pavel, Joe Noske +4 more |
2008-08-19 |
| 6752083 |
Detonators for use with explosive devices |
Nolan C. Lerche, James E. Brooks |
2004-06-22 |
| 5505134 |
Perforating gun having a plurality of charges including a corresponding plurality of exploding foil or exploding bridgewire initiator apparatus responsive to a pulse of current for simultaneously detonating the plurality of charges |
James E. Brooks, Nolan C. Lerche, Clifford L. Aseltine, Robert A. Parrott |
1996-04-09 |
| 5088413 |
Method and apparatus for safe transport handling arming and firing of perforating guns using a bubble activated detonator |
Klaus Huber, Nolan C. Lerche, Arnold G. Edwards, Edward G. Smith, Jr. |
1992-02-18 |