Inventor · disambiguated record
Roy R. Vann
Also filed as: VANN ROY R
38 granted patents·1 pending application·1,850 citations·filing 1974–2011
98Inventor score
Top patents by PatentIndex Score
39 records- 0198US4445574AContinuous borehole formed horizontally through a hydrocarbon producing formationVANN INC GEO·Filed 1982·Granted May 1, 1984·251 cites·5 claims
- 0298US4125159AMethod and apparatus for isolating and treating subsurface stratasVANN ROY RANDELL·Filed 1977·Granted Nov 14, 1978·252 cites·11 claims
- 0394US4598775APerforating gun charge carrier improvementsVANN INC GEO·Filed 1985·Granted Jul 8, 1986·154 cites·13 claims
- 0494US4140188AHigh density jet perforating casing gunVANN PEADBY·Filed 1977·Granted Feb 20, 1979·141 cites·11 claims
- 0588US4151880AVent assemblyPEABODY VANN·Filed 1977·Granted May 1, 1979·72 cites·12 claims
- 0687US4499951ABall switch device and methodVANN INC GEO·Filed 1983·Granted Feb 19, 1985·75 cites·34 claims
- 0782US6382244B2Reciprocating pump standing head valveFiled 2001·Granted May 7, 2002·62 cites·15 claims
- 0882US4612992ASingle trip completion of spaced formationsHALLIBURTON CO·Filed 1985·Granted Sep 23, 1986·62 cites·17 claims
- 0982US4194577AMethod and apparatus for completing a slanted wellborePEABODY VANN·Filed 1977·Granted Mar 25, 1980·50 cites·7 claims
- 1082US4090104AOptical fiber television screenVANN CLYDE R·Filed 1977·Granted May 16, 1978·31 cites·11 claims
- 1180US4484632AWell completion method and apparatusVANN INC GEO·Filed 1982·Granted Nov 27, 1984·52 cites·41 claims
- 1280US4299287ABar actuated vent assembly and perforating gunVANN INC GEO·Filed 1980·Granted Nov 10, 1981·56 cites·11 claims
- 1379US4330039APressure actuated vent assembly for slanted wellboresVANN INC GEO·Filed 1980·Granted May 18, 1982·55 cites·20 claims
- 1478US4434854APressure actuated vent assembly for slanted wellboresVANN INC GEO·Filed 1982·Granted Mar 6, 1984·51 cites·10 claims
- 1577US6497281B2Cable actuated downhole smart pumpFiled 2001·Granted Dec 24, 2002·52 cites·33 claims
- 1677US4480690AAccelerated downhole pressure testingVANN INC GEO·Filed 1983·Granted Nov 6, 1984·45 cites·16 claims
- 1770US4564076AWell completion method and apparatusVANN INC GEO·Filed 1983·Granted Jan 14, 1986·36 cites·32 claims
- 1870US4512406ABar actuated vent assemblyVANN INC GEO·Filed 1982·Granted Apr 23, 1985·42 cites·23 claims
- 1970US4066282APositive tubing release couplingVANN ROY RANDELL·Filed 1976·Granted Jan 3, 1978·32 cites·12 claims
- 2070US3966236AReleasable couplingVANN ROY RANDELL·Filed 1974·Granted Jun 29, 1976·30 cites·2 claims
- 2166US4040485AMethod of simultaneously setting a packer device and actuating a vent assemblyVANN TOOL COMPANY INC·Filed 1976·Granted Aug 9, 1977·27 cites·14 claims
- 2262US7703536B2Gas assisted lift systemVANN ROY R·Filed 2008·Granted Apr 27, 2010·9 cites·12 claims
- 2362US4269278AMethod and apparatus for completing a slanted wellboreVANN PEABODY·Filed 1980·Granted May 26, 1981·30 cites·9 claims
- 2461US4334580AContinuous borehole formed horizontally through a hydrocarbon producing formationVANN INC GEO·Filed 1980·Granted Jun 15, 1982·27 cites·7 claims
- 2560US4436154AMethod for controlling subsurface blowoutVANN INC GEO·Filed 1981·Granted Mar 13, 1984·25 cites·10 claims
- 2658US4078611AHigh temperature perforating methodVANN ROY RANDELL·Filed 1976·Granted Mar 14, 1978·20 cites·12 claims
- 2754US3931855ADownhole packer actuated vent assemblyVANN TOOL COMPANY INC·Filed 1974·Granted Jan 13, 1976·17 cites·7 claims
- 2853US3990507AHigh temperature perforating apparatusVANN ROY RANDELL·Filed 1975·Granted Nov 9, 1976·17 cites·10 claims
- 2952US4554975AHold down apparatus for wireline operated gunVANN INC GEO·Filed 1982·Granted Nov 26, 1985·19 cites·12 claims
- 3051US8678095B2Gas assisted lift systemMORRISON JAMES C·Filed 2011·Granted Mar 25, 2014·1 cites·6 claims
- 3151US6666270B2Reciprocating pump vent-dump valve and methods of useFiled 2003·Granted Dec 23, 2003·11 cites·15 claims
- 3249US4040482AOptional fire and release tool and methodVANN ROY RANDELL·Filed 1976·Granted Aug 9, 1977·15 cites·11 claims
- 3345US4009757ASand consolidation methodVANN ROY RANDELL·Filed 1975·Granted Mar 1, 1977·12 cites·10 claims
- 3439US6857477B2Method for using a reciprocating pump vent-dump valveFiled 2003·Granted Feb 22, 2005·1 cites·6 claims
- 3539US6672393B2Reciprocating pump dump valve and methods of useFiled 2003·Granted Jan 6, 2004·1 cites·3 claims
- 3637US4598771AMethod and apparatus for firing a perforating gun and simultaneously recording the downhole pressureVANN INC GEO·Filed 1985·Granted Jul 8, 1986·9 cites·8 claims
- 3737US2004055743A1Reciprocating pump dump valveFiled 2003·Application pending·0 cites
- 3830US4749039AGun firing system using fluid filled pressure balance tubingHALLIBURTON CO·Filed 1986·Granted Jun 7, 1988·5 cites·7 claims
- 3928US4635733AGun firing system using fluid filled pressure balance tubingHALLIBURTON CO·Filed 1985·Granted Jan 13, 1987·3 cites·43 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →