Inventor
KRACIK JOHN
US3 patents
Patents
3 patentsUS7100698B2Sep 5, 2006
Make-up control system for tubulars
VARCO INT67 citations95
US6629572B2Oct 7, 2003
Operator workstation for use on a drilling rig including integrated control and information
VARCO INT58 citations89
US7588099B2Sep 15, 2009
Horizontal drilling system with oscillation control
VARCO INT24 citations88