Assignee
PREC DRILLING CORP
US4 patents
Top patents by PatentIndex Score
US6332501B1Dec 25, 2001
Linear coiled tubing injector
PREC DRILLING CORP55 citations95
US6502641B1Jan 7, 2003
Coiled tubing drilling rig
PREC DRILLING CORP79 citations92
US6408955B2Jun 25, 2002
Hybrid sectional and coiled tubing drilling rig
PREC DRILLING CORP38 citations91
US7588100B2Sep 15, 2009
Method and apparatus for directional drilling with variable drill string rotation
PREC DRILLING CORP47 citations89