Patents by Inventor Lucilla Del Gaudio
Lucilla Del Gaudio has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240026210Abstract: A treatment fluid may be suitable for a hydrocarbon fluid extraction well. Such a treatment fluid may include a water-in-oil emulsion. The water-in-oil emulsion may include: an oily continuous phase; and an aqueous discontinuous phase comprising water and a plurality of particles comprising a hydrogel comprising a cationic polymer. The cationic polymer may include, in polymerized form, a monomer with one or more cationic groups. The cationic group may be a —N+—R1R2R3 group, wherein R1, R2, and R3, are independently H or a C1 to C4 alkyl group.Type: ApplicationFiled: September 27, 2023Publication date: January 25, 2024Applicant: ENI S.P.A.Inventors: Davide MOSCATELLI, Lucilla DEL GAUDIO, Paola ALBONICO, Alessandra BELLONI, Alberto CESANA
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Patent number: 11859125Abstract: A method for inhibiting water permeation in an extraction well of a hydrocarbon fluid from an underground reservoir may include: supplying a water-in-oil emulsion including an oily continuous phase and an aqueous discontinuous phase containing a plurality of particles of at least one hydrogel containing a cationic polymer; and positioning the water-in-oil emulsion in contact with the underground reservoir. A treatment fluid for hydrocarbon fluid extraction wells may contain a water-in-oil emulsion including an oily continuous phase and an aqueous discontinuous phase containing a plurality of particles of at least one hydrogel containing a cationic polymer.Type: GrantFiled: March 19, 2020Date of Patent: January 2, 2024Assignee: ENI S.P.A.Inventors: Davide Moscatelli, Lucilla Del Gaudio, Paola Albonico, Alessandra Belloni, Alberto Cesana
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Patent number: 11603489Abstract: The present invention relates to a composition for inhibiting water permeation in an extraction well of a hydrocarbon oil from an underground reservoir which comprises injecting into said reservoir at least one polymerizable composition comprising: at least one hydrophilic monomer, at least one hydrophilic initiator of radical polymerization with thermal activation (hydrophilic initiator), at least one lipophilic initiator of radical polymerization with thermal activation (lipophilic initiator). The present invention also relates to the polymerizable compositions that can be used in said method.Type: GrantFiled: May 3, 2021Date of Patent: March 14, 2023Assignee: ENI S.P.A.Inventors: Lucilla Del Gaudio, Davide Moscatelli, Paola Albonico
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Publication number: 20220169910Abstract: A method for inhibiting water permeation in an extraction well of a hydrocarbon fluid from an underground reservoir containing: supplying a water-in-oil emulsion an oily continuous phase and an aqueous discontinuous phase containing a plurality of particles of at least one hydrogel containing a cationic polymer; and positioning the water-in-oil emulsion in contact with the underground reservoir. The present invention also concerns a treatment fluid for hydrocarbon fluid extraction wells containing the aforementioned water-in-oil emulsion and the related preparation process.Type: ApplicationFiled: March 19, 2020Publication date: June 2, 2022Applicant: ENI S.P.A.Inventors: Davide MOSCATELLI, Lucilla DEL GAUDIO, Paola ALBONICO, Alessandra BELLONI, Alberto CESANA
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Publication number: 20210253935Abstract: The present invention relates to a composition for inhibiting water permeation in an extraction well of a hydrocarbon oil from an underground reservoir which comprises injecting into said reservoir at least one polymerizable composition comprising: at least one hydrophilic monomer, at least one hydrophilic initiator of radical polymerization with thermal activation (hydrophilic initiator), at least one lipophilic initiator of radical polymerization with thermal activation (lipophilic initiator). The present invention also relates to the polymerizable compositions that can be used in said method.Type: ApplicationFiled: May 3, 2021Publication date: August 19, 2021Applicant: ENI S.P.A.Inventors: Lucilla DEL GAUDIO, Davide MOSCATELLI, Paola ALBONICO
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Patent number: 11034882Abstract: The present invention relates to a method for inhibiting water permeation in an extraction well of a hydrocarbon oil from an underground reservoir which comprises injecting into said reservoir at least one polymerizable composition comprising: at least one hydrophilic monomer, -at least one hydrophilic initiator of radical polymerization with thermal activation (hydrophilic initiator), at least one lipophilic initiator of radical polymerization with thermal activation (lipophilic initiator). The present invention also relates to the polymerizable compositions that can be used in said method.Type: GrantFiled: August 22, 2017Date of Patent: June 15, 2021Assignee: ENI S.P.A.Inventors: Lucilla Del Gaudio, Davide Moscatelli, Paola Albonico
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Patent number: 10927247Abstract: A method for inhibiting the permeation of water in an extraction well of a hydrocarbon fluid from an underground reservoir is described. The method includes the injection of at least one treatment fluid into the underground reservoir. The treatment fluid contains at least one emulsion or dispersion in an organic solvent of at least one copolymer of a first monomer of an acrylic monomer or a methacrylic monomer, and a second monomer having at least one ethylene unsaturation and at least one polyoxyethylene chain. The emulsion or dispersion of the copolymer used in the method is also described.Type: GrantFiled: April 13, 2016Date of Patent: February 23, 2021Assignee: ENI S.p.A.Inventors: Lucilla Del Gaudio, Roberto Lorefice, Massimo Silvio Morbidelli, Davide Moscatelli
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Publication number: 20200277524Abstract: The present invention relates to a method for inhibiting water permeation in an extraction well of a hydrocarbon oil from an underground reservoir which comprises injecting into said reservoir at least one polymerizable composition comprising: at least one hydrophilic monomer, —at least one hydrophilic initiator of radical polymerization with thermal activation (hydrophilic initiator), at least one lipophilic initiator of radical polymerization with thermal activation (lipophilic initiator). The present invention also relates to the polymerizable compositions that can be used in said method.Type: ApplicationFiled: August 22, 2017Publication date: September 3, 2020Applicant: ENI S.P.A.Inventors: Lucilla DEL GAUDIO, Davide MOSCATELLI, Paola ALBONICO
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Publication number: 20180134887Abstract: A method for inhibiting the permeation of water in an extraction well of a hydrocarbon fluid from an underground reservoir is described. The method includes the injection of at least one treatment fluid into the underground reservoir. The treatment fluid contains at least one emulsion or dispersion in an organic solvent of at least one copolymer of a first monomer of an acrylic monomer or a methacrylic monomer, and a second monomer having at least one ethylene unsaturation and at least one polyoxyethylene chain. The emulsion or dispersion of the copolymer used in the method is also described.Type: ApplicationFiled: April 13, 2016Publication date: May 17, 2018Applicant: ENI S.p.A.Inventors: Lucilla DEL GAUDIO, Roberto LOREFICE, Massimo Silvio MORBIDELLI, Davide MOSCATELLI
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Patent number: 9951263Abstract: A process for the recovery of heavy oil from an underground reservoir, comprising: injecting an oil-in-water nanoemulsion into one or more injection wells; recovering said heavy oil from one or more production wells. Said process is particularly advantageous for enhancing the recovery of heavy oils from underground reservoirs within the range of technologies for tertiary recovery, usually known as “EOR” (Enhanced Oil Recovery”).Type: GrantFiled: October 15, 2010Date of Patent: April 24, 2018Assignee: ENI S.p.A.Inventors: Lucilla Del Gaudio, Claudio Riccardo Pratesi, Alessandra Belloni, Iole Moroni
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Patent number: 9884299Abstract: Process for the preparation of a water-in-oil or oil-in-water nanoemulsion wherein the dispersed phase is distributed in the dispersing phase in the form of droplets having a diameter ranging from 1 to 500 nm, comprising: 1) the preparation of a homogeneous water/oil blend (I) characterized by an interface tension lower than 1 mN/m, comprising water in an amount of 30 to 70% by weight, at least two surface-active agents having a different HLB, selected from non-ionic, anionic, polymeric surface-active agents, said surface-active agents being present in such a quantity as to make the blend homogeneous; 2) the dilution of the blend (I) in a dispersing phase consisting of oil or water with the addition of a surface-active agent, selected from non-ionic, anionic, polymeric surface-active agents, the quantity of the dispersing phase and surface-active agent being such as to obtain a nanoemulsion having a HLB different from that of the blend (I).Type: GrantFiled: March 18, 2013Date of Patent: February 6, 2018Assignees: ENI S.p.A., POLIMERI EUROPA S.p.A.Inventors: Lucilla Del Gaudio, Thomas Paul Lockhart, Alessandra Belloni, Rossella Bortolo, Roberto Tassinari
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Patent number: 9845424Abstract: Process for the removal of deposits from an oil or gas well, and/or from surface structures, and/or from the equipment connected therewith, and/or from hydrocarbon-bearing formations, comprising:—injecting at least one oil-in-water nanoemulsion into said oil or gas well, and/or surface structures, and/or equipment connected therewith, and/or hydrocarbon bearing formations; leaving said nanoemulsion in said oil or gas well, and/or surface structures, and/or equipment connected therewith, and/or hydrocarbon bearing formations, for a predetermined time.Type: GrantFiled: April 14, 2011Date of Patent: December 19, 2017Assignee: ENI S.p.A.Inventors: Lucilla Del Gaudio, Giuseppe Leo, Alessandra Belloni, Paola Albonico
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Patent number: 9550944Abstract: The present invention relates to a process for the recovery of bitumen from an oil sand comprising the following phases in succession: (a) mixing an oil sand with a diluent capable of reducing the viscosity and density of the bitumen contained in said oil sand, obtaining a first mixture (slurry) comprising diluted bitumen; (b) mixing said slurry with a basic aqueous solution (BAS) possibly containing salts to increase its ionic strength, capable of removing said diluted bitumen from said oil sand containing it, obtaining a second mixture (BAS-slurry) which can be separated into (i) a liquid phase comprising said diluted bitumen, a fraction of oil sand free of the bitumen removed and water; (ii) a sediment comprising the remaining fraction of said oil sand free of the bitumen removed, water and residual hydrocarbons which can be eliminated by subsequent washings; (c) separating a liquid phase comprising said diluted bitumen removed, from said BAS-slurry mixture; (d) recovering, from said liquid phase separatedType: GrantFiled: October 24, 2012Date of Patent: January 24, 2017Assignee: ENI S.p.A.Inventors: Maria Andrei, Lucilla Del Gaudio, Giulia Luisa Eleonora Bozzano, Andrea Sliepcevich
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Publication number: 20150308624Abstract: Method for reducing the pressure drop associated with a fluid subjected to a turbulent flow which comprises introducing at least one latex into said fluid, comprising: (a) a continuous aqueous phase; (b) a plurality of particles, dispersed in said continuous aqueous phase, of at least one branched (co) polymer having a branching degree {GR) ranging from 0.05 to 0.6, preferably from 0.08 to 0.5, and a weight average molecular weight (Mw) of the parent (co) polymer ranging from 100,000 Daltons to 700,000 Daltons, preferably ranging from 140,000 Daltons to 350,000 Daltons. Said method can be advantageously used in the case of a pressure drop in pipelines transporting liquid hydrocarbons such as, for example, petroleum, crude oils and refinery or petrochemical products, in particular for long distances.Type: ApplicationFiled: December 23, 2013Publication date: October 29, 2015Inventors: Chiara Piseri, Lucilla Del Gaudio, Alessandro Casalini, Salvatore Coppola, Davide Malinverno, Romano Lima
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Publication number: 20140238904Abstract: The present invention relates to a process for the recovery of bitumen from an oil sand comprising the following phases in succession: (a) mixing an oil sand with a diluent capable of reducing the viscosity and density of the bitumen contained in said oil sand, obtaining a first mixture (slurry) comprising diluted bitumen; (b) mixing said slurry with a basic aqueous solution (BAS) possibly containing salts to increase its ionic strength, capable of removing said diluted bitumen from said oil sand containing it, obtaining a second mixture (BAS-slurry) which can be separated into (i) a liquid phase comprising said diluted bitumen, a fraction of oil sand free of the bitumen removed and water; (ii) a sediment comprising the remaining fraction of said oil sand free of the bitumen removed, water and residual hydrocarbons which can be eliminated by subsequent washings; (c) separating a liquid phase comprising said diluted bitumen removed, from said BAS-slurry mixture; (d) recovering, from said liquid phase separatedType: ApplicationFiled: October 24, 2012Publication date: August 28, 2014Applicant: ENI S.p.A.Inventors: Maria Andrei, Lucilla Del Gaudio, Giulia Luisa Eleonora Bozzano, Andrea Sliepcevich
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Patent number: 8709982Abstract: The invention relates to the use of quaternary polyamines having formula (I) for the recovery of oil from reservoirs formula (I), wherein n>=1 R1 represents H, CH3, CH2CH3, CnH2n+1 R2 represents H2CHOHCH2, CH2, CH2CH?CH2 R3 represents CH3, CH2CH3, CnH2n+1 R4 represents CH2, CH2CH?CH2 when R2 and R4 are allyl group, they can jointly form aliphatic cyclic structures, the ratio between the carbon atoms and nitrogen atoms (C/N) ranges from 2 to 30.Type: GrantFiled: April 2, 2008Date of Patent: April 29, 2014Assignee: ENI S.p.A.Inventors: Lucilla Del Gaudio, Thomas Paul Lockhart, Emanuele Vignati
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Patent number: 8691732Abstract: A water-based fluid, containing: a non-ionic surfactant, which is stable in a temperature range from 10 to 90° C. and soluble in water; and a salt, wherein the non-ionic surfactant contains an alkyl polyglucoside selected from the group consisting of a C8 alkyl polyglucoside, a C10 alkyl polyglucoside, and mixtures thereof, and the salt is present, and is present in an amount up to 60%. In addition, a process for preventing the formation of a W/O inverse emulsion or resolving a W/O inverse emulsion that has already formed in an oil well in which an oil-based mud has been employed by injecting the water-based fluid into the oil well.Type: GrantFiled: June 9, 2008Date of Patent: April 8, 2014Assignee: ENI S.p.A.Inventors: Lucilla Del Gaudio, Paola Albonico, Sandra Cobianco, Chiara Neva Emiliani, Giuseppe Ripa
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Publication number: 20130209527Abstract: Process for the preparation of a water-in-oil or oil-in-water nanoemulsion wherein the dispersed phase is distributed in the dispersing phase in the form of droplets having a diameter ranging from 1 to 500 nm, comprising: 1) the preparation of a homogeneous water/oil blend (I) characterized by an interface tension lower than 1 mN/m, comprising water in an amount of 30 to 70% by weight, at least two surface-active agents having a different HLB, selected from non-ionic, anionic, polymeric surface-active agents, said surface-active agents being present in such a quantity as to make the blend homogeneous; 2) the dilution of the blend (I) in a dispersing phase consisting of oil or water with the addition of a surface-active agent, selected from non-ionic, anionic, polymeric surface-active agents, the quantity of the dispersing phase and surface--active agent being such as to obtain a nanoemulsion having a HLB different from that of the blend (I).Type: ApplicationFiled: March 18, 2013Publication date: August 15, 2013Inventors: Lucilla DEL GAUDIO, Thomas Paul Lockhart, Alessandra Belloni, Rossella Bortolo, Roberto Tassinari
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Patent number: 8431620Abstract: Process for the preparation of a water-in-oil or oil-in-water nanoemulsion wherein the dispersed phase is distributed in the dispersing phase in the form of droplets having a diameter ranging from 1 to 500 nm, comprising: 1) the preparation of a homogeneous water/oil blend (I) characterized by an interface tension lower than 1 mN/m, comprising water in an amount of 30 to 70% by weight, at least two surface-active agents having a different HLB, selected from non-ionic, anionic, polymeric surface-active agents, said surface-active agents being present in such a quantity as to make the blend homogeneous; 2) the dilution of the blend (I) in a dispersing phase consisting of oil or water with the addition of a surface-active agent, selected from non-ionic, anionic, polymeric surface-active agents, the quantity of the dispersing phase and surface-active agent being such as to obtain a nanoemulsion having a HLB different from that of the blend (I).Type: GrantFiled: March 28, 2007Date of Patent: April 30, 2013Assignees: ENI S.p.A., Polimeri Europa S.p.A.Inventors: Lucilla Del Gaudio, Thomas Paul Lockhart, Alessandra Belloni, Rossella Bortolo, Roberto Tassinari
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Publication number: 20130079255Abstract: Process for the removal of deposits from an oil or gas well, and/or from surface structures, and/or from the equipment connected therewith, and/or from hydrocarbon-bearing formations, comprising: —injecting at least one oil-in-water nanoemulsion into said oil or gas well, and/or surface structures, and/or equipment connected therewith, and/or hydrocarbon bearing formations; leaving said nanoemulsion in said oil or gas well, and/or surface structures, and/or equipment connected therewith, and/or hydrocarbon bearing formations, for a predetermined time.Type: ApplicationFiled: April 14, 2011Publication date: March 28, 2013Applicant: ENI S.p.A.Inventors: Lucilla Del Gaudio, Giuseppe Leo, Alessandra Belloni, Paola Albonico