Inventor

ROBERTS JOHN DOUGLAS

US3 patents

Patents

3 patents

US6202752B1Mar 20, 2001

Wellbore milling methods

WEATHERFORD LAMB91 citations92

US6547006B1Apr 15, 2003

Wellbore liner system

WEATHERFORD LAMB19 citations87

US7513305B2Apr 7, 2009

Apparatus and methods for operating a tool in a wellbore

WEATHERFORD LAMB14 citations82