Inventor · disambiguated record
Leonard J. Kalfayan
Also filed as: KALFAYAN LEONARD · KALFAYAN LEONARD J · KALFAYAN LEONARD JOHN
15 granted patents·5 pending applications·571 citations·filing 1983–2009
95Inventor score
Top patents by PatentIndex Score
20 records- 0193US4787453APermeability stabilization in subterranean formations containing particulate matterUNION OIL CO·Filed 1986·Granted Nov 29, 1988·98 cites·29 claims
- 0293US4580633AIncreasing the flow of fluids through a permeable formationUNION OIL CO·Filed 1983·Granted Apr 8, 1986·84 cites·54 claims
- 0390US4498538AMethod for maintaining the permeability of fines-containing formationsUNION OIL CO·Filed 1983·Granted Feb 12, 1985·63 cites·37 claims
- 0486US4708207AScale removal treatmentUNION OIL CO·Filed 1985·Granted Nov 24, 1987·46 cites·25 claims
- 0585US7059414B2Acidizing stimulation method using a pH buffered acid solutionBJ SERVICES CO·Filed 2003·Granted Jun 13, 2006·42 cites·29 claims
- 0685US4646835AAcidizing methodUNION OIL CO·Filed 1985·Granted Mar 3, 1987·56 cites·25 claims
- 0784US4479543AMethod for deeper penetrating acidizing of siliceous formationsUNION OIL CO·Filed 1983·Granted Oct 30, 1984·42 cites·30 claims
- 0883US7603896B2Fluid flow model and method of using the sameBJ SERVICES CO·Filed 2006·Granted Oct 20, 2009·12 cites·26 claims
- 0978US5051197AScale removal treatmentUNION OIL CO·Filed 1990·Granted Sep 24, 1991·37 cites·16 claims
- 1075US5105887AEnhanced oil recovery technique using hydrogen precursorsUNION OIL CO·Filed 1991·Granted Apr 21, 1992·39 cites·19 claims
- 1166US4992182AScale removal treatmentUNION OIL CO·Filed 1989·Granted Feb 12, 1991·16 cites·30 claims
- 1261US4549609ATreating fines-containing earthen formationsUNION OIL CO·Filed 1984·Granted Oct 29, 1985·26 cites·25 claims
- 1351US5039434AAcidizing composition comprising organosilicon compoundUNION OIL CO·Filed 1990·Granted Aug 13, 1991·10 cites·10 claims
- 1449US9458370B2Methods for pre-emptively controlling undesirable water production from an oil or gas wellBRANNON HAROLD DEAN·Filed 2007·Granted Oct 4, 2016·0 cites·21 claims
- 1548US8316940B2Method of using sodium silicate in treatment of subterranean formation for water controlWANG XIAOLAN·Filed 2009·Granted Nov 27, 2012·0 cites·24 claims
- 1647US2008182761A1Fracture Acidizing Method Utilitzing Reactive Fluids and Deformable ParticulatesBJ SERVICES CO·Filed 2008·Application pending·0 cites
- 1746US2008210428A1Method of removing filter cakeBJ SERVICES CO·Filed 2007·Application pending·0 cites
- 1843US2007039732A1Methods and compositions for improving hydrocarbon recovery by water flood interventionBJ SERVICES CO·Filed 2005·Application pending·0 cites
- 1939US2004177957A1Organosilicon containing compositions for enhancing hydrocarbon production and method of using the sameFiled 2003·Application pending·0 cites
- 2032US2006065396A1Compositions containing water control treatments and formation damage control additives, and methods for their useDAWSON JEFFREY C·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →