P

Inventor

NAZZAL GREGORY R

US7 patents
⚠️ This page may combine multiple inventors who share the name “NAZZAL GREGORY R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WEATHERFORD LAMB

3 patents
US7334650B2Feb 26, 2008

Apparatus and methods for drilling a wellbore using casing

WEATHERFORD LAMB86 citations97
US8042616B2Oct 25, 2011

Apparatus and methods for drilling a wellbore using casing

WEATHERFORD LAMB15 citations91
US7823660B2Nov 2, 2010

Apparatus and methods for drilling a wellbore using casing

WEATHERFORD LAMB15 citations91

BAKER HUGHES INC

2 patents
US6041860AMar 28, 2000

Apparatus and method for performing imaging and downhole operations at a work site in wellbores

BAKER HUGHES INC308 citations99
US6155343ADec 5, 2000

System for cutting materials in wellbores

BAKER HUGHES INC69 citations95

GIROUX RICHARD L

2 patents
US8534379B2Sep 17, 2013

Apparatus and methods for drilling a wellbore using casing

GIROUX RICHARD L13 citations91
US8127868B2Mar 6, 2012

Apparatus and methods for drilling a wellbore using casing

GIROUX RICHARD L12 citations91