Inventor
BELEW DAVID
US4 patents
Patents
4 patentsUS7686101B2Mar 30, 2010
Method and apparatus for laterally drilling through a subterranean formation
BELEW DAVID29 citations87
US8915311B2Dec 23, 2014
Method and apparatus for drilling a zero-radius lateral
BELEW DAVID2 citations59
US9316079B2Apr 19, 2016
Method and apparatus for milling a zero radius lateral window in casing
BELEW DAVID0 citations49
US9097083B2Aug 4, 2015
Method and apparatus for milling a zero radius lateral window in casing
BELEW DAVID0 citations49