Inventor · disambiguated record
David D. Szarka
Also filed as: SZARKA DAVID · SZARKA DAVID D · SZARKA DAVID DURWARD
61 granted patents·1 pending application·4,063 citations·filing 1979–2013
99Inventor score
Files withHALLIBURTON CO31HALLIBURTON ENERGY SERV INC22ROGERS HENRY EUGENE3ROGERS HENRY E2ACOSTA FRANK1
Top patents by PatentIndex Score
62 records- 0198US4949788AWell completions using casing valvesHALLIBURTON CO·Filed 1989·Granted Aug 21, 1990·263 cites·29 claims
- 0297US5494103AWell jetting apparatusHALLIBURTON CO·Filed 1994·Granted Feb 27, 1996·263 cites·28 claims
- 0397US4697640AApparatus for setting a high temperature packerHALLIBURTON CO·Filed 1986·Granted Oct 6, 1987·181 cites·13 claims
- 0496US7182135B2Plug systems and methods for using plugs in subterranean formationsHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Feb 27, 2007·127 cites·56 claims
- 0595US5361856AWell jetting apparatus and met of modifying a well therewithHALLIBURTON CO·Filed 1993·Granted Nov 8, 1994·166 cites·10 claims
- 0694US6244342B1Reverse-cementing method and apparatusHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Jun 12, 2001·197 cites·33 claims
- 0794US5375661AWell completion methodHALLIBURTON CO·Filed 1993·Granted Dec 27, 1994·238 cites·20 claims
- 0893US7673688B1Casing wiping dart with filtering layerHALLIBURTON ENERGY SERV INC·Filed 2008·Granted Mar 9, 2010·53 cites·11 claims
- 0993US4991654ACasing valveHALLIBURTON CO·Filed 1989·Granted Feb 12, 1991·114 cites·25 claims
- 1091US5246236ASeal for long-time exposures in oil and gas well toolsHALLIBURTON CO·Filed 1992·Granted Sep 21, 1993·76 cites·4 claims
- 1190US6547007B2PDF valveHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Apr 15, 2003·98 cites·27 claims
- 1290US5394941AFracture oriented completion tool systemHALLIBURTON CO·Filed 1993·Granted Mar 7, 1995·127 cites·28 claims
- 1389US6571876B2Fill up tool and mud saver for top drivesHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Jun 3, 2003·92 cites·35 claims
- 1489US6095247AApparatus and method for opening perforations in a well casingHALLIBURTON ENERGY SERV INC·Filed 1997·Granted Aug 1, 2000·132 cites·30 claims
- 1588US4669538ADouble-grip thermal expansion screen hanger and running toolHALLIBURTON CO·Filed 1986·Granted Jun 2, 1987·81 cites·18 claims
- 1687US4627488AIsolation gravel packerHALLIBURTON CO·Filed 1985·Granted Dec 9, 1986·77 cites·19 claims
- 1787US4273190AMethod and apparatus for gravel packing multiple zonesHALLIBURTON CO·Filed 1979·Granted Jun 16, 1981·72 cites·37 claims
- 1886US6725935B2PDF valveHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Apr 27, 2004·94 cites·25 claims
- 1986US5762139ASubsurface release cementing plug apparatus and methodsHALLIBURTON CO·Filed 1996·Granted Jun 9, 1998·129 cites·38 claims
- 2086US5738171AWell cementing inflation packer tools and methodsHALLIBURTON CO·Filed 1997·Granted Apr 14, 1998·117 cites·20 claims
- 2186US4979561APositioning toolHALLIBURTON CO·Filed 1989·Granted Dec 25, 1990·71 cites·35 claims
- 2286US4270608AMethod and apparatus for gravel packing multiple zonesHALLIBURTON CO·Filed 1979·Granted Jun 2, 1981·63 cites·44 claims
- 2385US7584792B2Plug systems and methods for using plugs in subterranean formationsHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Sep 8, 2009·19 cites·26 claims
- 2485US6497291B1Float valve assembly and methodHALLIBURTON ENERGY SERV INC·Filed 2000·Granted Dec 24, 2002·73 cites·21 claims
- 2584US7533729B2Reverse cementing float equipmentHALLIBURTON ENERGY SERV INC·Filed 2005·Granted May 19, 2009·14 cites·14 claims
- 2683US7686092B2Plug systems and methods for using plugs in subterranean formationsHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Mar 30, 2010·17 cites·14 claims
- 2783US5381862ACoiled tubing operated full opening completion tool systemHALLIBURTON CO·Filed 1993·Granted Jan 17, 1995·81 cites·40 claims
- 2883US4441721AHigh temperature packer with low temperature setting capabilitiesHALLIBURTON CO·Filed 1982·Granted Apr 10, 1984·61 cites·19 claims
- 2982US5029644AJetting toolHALLIBURTON CO·Filed 1989·Granted Jul 9, 1991·61 cites·11 claims
- 3082US4421165AMultiple stage cementer and casing inflation packerHALLIBURTON CO·Filed 1980·Granted Dec 20, 1983·60 cites·1 claims
- 3181US6318472B1Hydraulic set liner hanger setting mechanism and methodHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Nov 20, 2001·88 cites·23 claims
- 3280US6651743B2Slim hole stage cementer and methodHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Nov 25, 2003·57 cites·22 claims
- 3380US4295524AIsolation gravel packerHALLIBURTON CO·Filed 1979·Granted Oct 20, 1981·41 cites·57 claims
- 3479US7350578B2Diverter plugs for use in well bores and associated methods of useHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Apr 1, 2008·25 cites·20 claims
- 3579US6810958B2Circulating cementing collar and methodHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Nov 2, 2004·51 cites·32 claims
- 3679US4917184ACement head and plugHALLIBURTON CO·Filed 1989·Granted Apr 17, 1990·65 cites·13 claims
- 3778US4369840AAnchor and anchor positioner assemblyHALLIBURTON CO·Filed 1979·Granted Jan 25, 1983·39 cites·20 claims
- 3877US6973966B2Compressible darts and methods for using these darts in subterranean wellsHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Dec 13, 2005·45 cites·68 claims
- 3976US5325917AShort stroke casing valve with positioning and jetting tools thereforHALLIBURTON CO·Filed 1993·Granted Jul 5, 1994·59 cites·20 claims
- 4076US4606408AMethod and apparatus for gravel-packing a wellHALLIBURTON CO·Filed 1985·Granted Aug 19, 1986·53 cites·20 claims
- 4175US7322413B2Equalizer valve assemblyHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Jan 29, 2008·15 cites·18 claims
- 4271US7665520B2Multiple bottom plugs for cementing operationsHALLIBURTON ENERGY SERV INC·Filed 2006·Granted Feb 23, 2010·11 cites·7 claims
- 4370US5526878AStage cementer with integral inflation packerHALLIBURTON CO·Filed 1995·Granted Jun 18, 1996·60 cites·22 claims
- 4466US6772835B2Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstringHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Aug 10, 2004·29 cites·20 claims
- 4565US4718495ASurface packer and method for using the sameHALLIBURTON CO·Filed 1986·Granted Jan 12, 1988·35 cites·42 claims
- 4664US6880636B2Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstringHALLIBURTON ENERGY SERV INC·Filed 2004·Granted Apr 19, 2005·26 cites·7 claims
- 4764US4574882APlug containerHALLIBURTON CO·Filed 1984·Granted Mar 11, 1986·27 cites·11 claims
- 4863US5137087ACasing cementer with torque-limiting rotating positioning toolHALLIBURTON CO·Filed 1991·Granted Aug 11, 1992·38 cites·20 claims
- 4962US9033056B2Pressure activated down hole systems and methodsACOSTA FRANK·Filed 2012·Granted May 19, 2015·2 cites·18 claims
- 5059US8267174B2Internal retention mechanismROGERS HENRY E·Filed 2009·Granted Sep 18, 2012·6 cites·27 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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