Inventor · disambiguated record
Gregory R. Nazzal
Also filed as: NAZZAL GREGORY R · NAZZAL GREGORY RICHARD
8 granted patents·629 citations·filing 1997–2012
91Inventor score
Top patents by PatentIndex Score
8 records- 0198US6041860AApparatus and method for performing imaging and downhole operations at a work site in wellboresBAKER HUGHES INC·Filed 1997·Granted Mar 28, 2000·308 cites·62 claims
- 0296US7334650B2Apparatus and methods for drilling a wellbore using casingWEATHERFORD LAMB·Filed 2004·Granted Feb 26, 2008·86 cites·50 claims
- 0393US8042616B2Apparatus and methods for drilling a wellbore using casingWEATHERFORD LAMB·Filed 2010·Granted Oct 25, 2011·15 cites·53 claims
- 0492US8534379B2Apparatus and methods for drilling a wellbore using casingGIROUX RICHARD L·Filed 2012·Granted Sep 17, 2013·13 cites·47 claims
- 0584US6419025B1Method of selective plastic expansion of sections of a tubingSHELL OIL CO·Filed 1999·Granted Jul 16, 2002·111 cites·12 claims
- 0682US7823660B2Apparatus and methods for drilling a wellbore using casingWEATHERFORD LAMB·Filed 2007·Granted Nov 2, 2010·15 cites·62 claims
- 0778US8127868B2Apparatus and methods for drilling a wellbore using casingGIROUX RICHARD L·Filed 2007·Granted Mar 6, 2012·12 cites·46 claims
- 0875US6155343ASystem for cutting materials in wellboresBAKER HUGHES INC·Filed 1997·Granted Dec 5, 2000·69 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →