DM

Daniel C. Markel

Schlumberger Technology: 12 patents #467 of 7,293Top 7%
ST Sclumberger Technology: 1 patents #1 of 35Top 3%
Overall (All Time): #378,069 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10648263 Downhole plug assembly Tauna Leonardi 2020-05-12
7413015 Perforating gun Russell McKinnon, James E. Brooks, Gary L. Rytlewski 2008-08-19
7347261 Magnetic locator systems and methods of use at a well site Rodger O. Anderson, Richard Luht 2008-03-25
7197985 High-pressure explosive retention device Larry W. Phillips 2007-04-03
6702039 Perforating gun carriers and their methods of manufacture Robert A. Parrott 2004-03-09
6591911 Multi-directional gun carrier method and apparatus Victor M. Vu, Simon L. Farrant, James E. Brooks 2003-07-15
6554081 Components and methods for use with explosives James E. Brooks, Wenbo Yang, Brenden M. Grove, Ian C. Walton, Manish Kothari +3 more 2003-04-29
6520258 Encapsulant providing structural support for explosives Wenbo Yang, Brenden M. Grove, Lawrence A. Behrmann, Alfredo Fayard 2003-02-18
6453817 Shaped charge capsule Karen M. Spenley, Charles A. Sjogren, David E. Sewell 2002-09-24
6386109 Shock barriers for explosives James E. Brooks, Thomas H. Zimmerman, Wenbo Yang, James F. Shelton, Wallace E. Voreck 2002-05-14
5816343 Phased perforating guns Jorge E. Lopez de Cardenas, Victor M. Vu 1998-10-06
5123356 Transfer apparatus adapted for transferring an explosive train through an externally pressurized secondary explosive bulkhead James E. Brooks 1992-06-23
5095999 Through tubing perforating gun including a plurality of phased capsule charges mounted on a retrievable base strip via a plurality of shatterable support rings 1992-03-17