Inventor · disambiguated record
Paul Mcelfresh
Also filed as: MCELFRESH PAUL · MCELFRESH PAUL M · MCELFRESH PAUL MICHAEL
12 granted patents·6 pending applications·446 citations·filing 1984–2011
93Inventor score
Top patents by PatentIndex Score
18 records- 0196US7762342B2Apparatus for providing a temporary degradable barrier in a flow pathwayBAKER HUGHES INC·Filed 2008·Granted Jul 27, 2010·84 cites·20 claims
- 0295US8048348B2Shape memory polyurethane foam for downhole sand control filtration devicesBAKER HUGHES INC·Filed 2011·Granted Nov 1, 2011·23 cites·19 claims
- 0393US7926565B2Shape memory polyurethane foam for downhole sand control filtration devicesBAKER HUGHES INC·Filed 2008·Granted Apr 19, 2011·47 cites·10 claims
- 0491US7461699B2Method for providing a temporary barrier in a flow pathwayBAKER HUGHES INC·Filed 2004·Granted Dec 9, 2008·101 cites·38 claims
- 0590US6805198B2Organic acid system for high temperature acidizingBAKER HUGHES INC·Filed 2002·Granted Oct 19, 2004·54 cites·12 claims
- 0687US7708073B2Heat generator for screen deploymentBAKER HUGHES INC·Filed 2008·Granted May 4, 2010·29 cites·21 claims
- 0786US7597148B2Formation and control of gas hydratesBAKER HUGHES INC·Filed 2006·Granted Oct 6, 2009·32 cites·36 claims
- 0881US8342240B2Method for providing a temporary barrier in a flow pathwayBAKER HUGHES INC·Filed 2009·Granted Jan 1, 2013·21 cites·23 claims
- 0974US7216709B2Hydraulic fracturing using non-ionic surfactant gelling agentAKZO NOBEL NV·Filed 2004·Granted May 15, 2007·16 cites·9 claims
- 1072US7879767B2Additives for hydrate inhibition in fluids gelled with viscoelastic surfactantsBAKER HUGHES INC·Filed 2005·Granted Feb 1, 2011·4 cites·4 claims
- 1160US4602685ANon-retarding fluid loss additives for well cementing compositionsHUGHES TOOL CO·Filed 1984·Granted Jul 29, 1986·17 cites·4 claims
- 1257US6994166B2Composition and method for diversion agents for acid stimulation of subterranean formationsBAKER HUGHES INC·Filed 2003·Granted Feb 7, 2006·18 cites·13 claims
- 1351US2010236794A1Downhole sealing devices having a shape-memory material and methods of manufacturing and using sameDUAN PING·Filed 2010·Application pending·0 cites
- 1441US2009084539A1Downhole sealing devices having a shape-memory material and methods of manufacturing and using sameDUAN PING·Filed 2007·Application pending·0 cites
- 1539US2004031611A1Compositions and methods for water shut-off in subterranean wellsFiled 2003·Application pending·0 cites
- 1638US2006254766A1Acoustic inhibition of hydrates, scales and paraffinsBAKER HUGHES INC·Filed 2005·Application pending·0 cites
- 1734US2008185146A1Reduced friction pressure gravel pack slurryBAYCROFT PERRY D·Filed 2007·Application pending·0 cites
- 1833US2004084181A1Method to solids-pack non-vertical wellboresBAKER HUGHES INC·Filed 2002·Application pending·0 cites
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