Inventor · disambiguated record
Philip Fletcher
Also filed as: FLETCHER PHILIP · FLETCHER PHILIP E
14 granted patents·10 pending applications·385 citations·filing 1985–2014
92Inventor score
Files withFLETCHER PHILIP7SCHLUMBERGER TECHNOLOGY CORP7CRABTREE MICHAEL JOHN3OILFLOW SOLUTIONS HOLDINGS LTD2OILFLOW SOLUTIONS INC2
Top patents by PatentIndex Score
24 records- 0196US6881709B2Viscosity reduction of viscoelastic surfactant based fluidsSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Apr 19, 2005·199 cites·23 claims
- 0288US7343978B2Scale dissolver fluidSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Mar 18, 2008·12 cites·9 claims
- 0379US5140527AMethod for the determination of the ionic content of drilling mudSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Aug 18, 1992·40 cites·26 claims
- 0472US7156177B2Scale dissolver fluidSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Jan 2, 2007·11 cites·11 claims
- 0571US9303202B2Polymeric treatment and wellbore pump arranged to increase hydrocarbon productionOILFLOW SOLUTIONS INC·Filed 2014·Granted Apr 5, 2016·1 cites·25 claims
- 0669US8672033B2Method of improving performance and efficiency of wellbore pump for hydrocarbon productionCRABTREE MICHAEL JOHN·Filed 2008·Granted Mar 18, 2014·1 cites·18 claims
- 0768US5005406AMonitoring drilling mud composition using flowing liquid junction electrodesSCHLUMBERGER TECHNOLOGY CORP·Filed 1989·Granted Apr 9, 1991·37 cites·7 claims
- 0867US6009419AMethod for predicting cement propertiesSCHLUMBERGER TECHNOLOGY CORP·Filed 1992·Granted Dec 28, 1999·45 cites·16 claims
- 0967US5475220AMethod to determine the phase composition of cementSCHLUMBERGER TECHNOLOGY CORP·Filed 1992·Granted Dec 12, 1995·30 cites·9 claims
- 1053US2013102816A1Method for reducing the viscosity of viscous fluidsFLETCHER PHILIP·Filed 2012·Application pending·0 cites
- 1150US8178586B2Method for reducing the viscosity of viscous fluidsFLETCHER PHILIP·Filed 2010·Granted May 15, 2012·0 cites·17 claims
- 1250US2012261124A1Recovery of oilCRABTREE MICHAEL JOHN·Filed 2012·Application pending·0 cites
- 1348US8357745B2Wax-containing materialsOILFLOW SOLUTIONS HOLDINGS LTD·Filed 2006·Granted Jan 22, 2013·0 cites·26 claims
- 1444USD291447SSunglassesFLETCHER PHILIP E·Filed 1985·Granted Aug 18, 1987·7 cites·1 claims
- 1543US7559370B2Restricting fluid passage and novel materials thereforOILFLOW SOLUTIONS HOLDINGS LTD·Filed 2004·Granted Jul 14, 2009·2 cites·33 claims
- 1639US2010294497A1Recovery of oilCRABTREE MICHAEL JOHN·Filed 2007·Application pending·0 cites
- 1736US2014332446A1Treatment of oil and oil-containing formulationsFLETCHER PHILIP·Filed 2012·Application pending·0 cites
- 1836US2015203743A1Methods for treating subterranean formationsOILFLOW SOLUTIONS INC·Filed 2013·Application pending·0 cites
- 1936US2014190699A1Recovery of OilFLETCHER PHILIP·Filed 2012·Application pending·0 cites
- 2035US7745500B2Method for reducing the viscosity of viscous fluidsADVANCED GEL TECHNOLOGY LTD·Filed 2004·Granted Jun 29, 2010·0 cites·32 claims
- 2134US2007114028A1Fracturing of subterranean formationsCRABTREE MICHAEL J·Filed 2004·Application pending·0 cites
- 2233US2012222867A1HydrocarbonsFLETCHER PHILIP·Filed 2010·Application pending·0 cites
- 2333US2012285745A1Drilling fluidsFLETCHER PHILIP·Filed 2011·Application pending·0 cites
- 2432US2012267113A1Treatment of oilFLETCHER PHILIP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →