Inventor
MARKEL DANIEL C
US13 patents
⚠️ This page may combine multiple inventors who share the name “MARKEL DANIEL C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
12 patentsUS6520258B1Feb 18, 2003
Encapsulant providing structural support for explosives
SCHLUMBERGER TECHNOLOGY CORP89 citations99
US6554081B1Apr 29, 2003
Components and methods for use with explosives
SCHLUMBERGER TECHNOLOGY CORP73 citations96
US6386109B1May 14, 2002
Shock barriers for explosives
SCHLUMBERGER TECHNOLOGY CORP46 citations95
US6591911B1Jul 15, 2003
Multi-directional gun carrier method and apparatus
SCHLUMBERGER TECHNOLOGY CORP52 citations94
US6702039B2Mar 9, 2004
Perforating gun carriers and their methods of manufacture
SCHLUMBERGER TECHNOLOGY CORP26 citations92
US5123356AJun 23, 1992
Transfer apparatus adapted for transferring an explosive train through an externally pressurized secondary explosive bulkhead
SCHLUMBERGER TECHNOLOGY CORP49 citations92
US5095999AMar 17, 1992
Through tubing perforating gun including a plurality of phased capsule charges mounted on a retrievable base strip via a plurality of shatterable support rings
SCHLUMBERGER TECHNOLOGY CORP27 citations92
US7347261B2Mar 25, 2008
Magnetic locator systems and methods of use at a well site
SCHLUMBERGER TECHNOLOGY CORP65 citations91
US6453817B1Sep 24, 2002
Shaped charge capsule
SCHLUMBERGER TECHNOLOGY CORP24 citations84
US7197985B2Apr 3, 2007
High-pressure explosive retention device
SCHLUMBERGER TECHNOLOGY CORP9 citations72
US7413015B2Aug 19, 2008
Perforating gun
SCHLUMBERGER TECHNOLOGY CORP5 citations58
US10648263B2May 12, 2020
Downhole plug assembly
SCHLUMBERGER TECHNOLOGY CORP0 citations45