Inventor

WARD SIMON J

US2 patents

Patents

2 patents

US7107154B2Sep 12, 2006

Wellbore evaluation system and method

ROBBINS & MYERS ENERGY SYS LP61 citations89

US7346455B2Mar 18, 2008

Wellbore evaluation system and method

ROBBINS & MYERS ENERGY SYS LP33 citations87