Patents by Inventor PRAJAKTA RATNAKAR PATIL
PRAJAKTA RATNAKAR PATIL 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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Patent number: 10550307Abstract: Methods for treating a zone of a subterranean formation penetrated by a wellbore comprising: (A) forming a treatment fluid comprising: (i) an aqueous continuous phase; (ii) a first chemical having: (a) a single epoxy group; and (b) at least one alkoxy group on a silicon atom, wherein the first chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; (iii) a second chemical having an amine group, wherein the second chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; and (B) introducing the treatment fluid through the wellbore into the zone of the subterranean formation.Type: GrantFiled: February 14, 2014Date of Patent: February 4, 2020Assignee: Halliburton Energy Services, Inc.Inventors: Prajakta Ratnakar Patil, Shoy George Chittattukara, Philip D. Nguyen
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Patent number: 10519361Abstract: Various embodiments disclosed relate to compositions for treatment of subterranean formations and a method of using the same, such as for consolidation treatments. In various embodiments the present invention provides a method of treating a subterranean formation. The method includes obtaining or providing a composition. The composition 5 includes a propane including at least one hydroxy substituent and at least two epoxide substituents. The composition also includes a hardening agent. The method includes placing the composition in a subterranean formation.Type: GrantFiled: June 11, 2014Date of Patent: December 31, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Sushant Dattaram Wadekar, Neelam Deepak Raysoni, Prajakta Ratnakar Patil
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Publication number: 20190309217Abstract: Subterranean treatments are provided that use amaranth grain particulates for controlling flow of fluids in wellbore applications. A method for treating a wellbore may comprise providing a treatment fluid comprising a base fluid and amaranth grain particulates; and introducing the treatment fluid into a subterranean formation penetrated by the wellbore such that the amaranth grain particulates form a barrier to fluid flow in at least one flow path in the subterranean formation.Type: ApplicationFiled: August 4, 2016Publication date: October 10, 2019Applicant: Halliburton Energy Services, Inc.Inventors: Prajakta Ratnakar Patil, Mahesh Vijaykumar Biyani, Shoy George Chittattukara
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Patent number: 10316240Abstract: Methods for treating a zone of a subterranean formation penetrated by a wellbore comprising: (A) introducing an acidizing fluid into the zone of the subterranean formation; (B) forming a treatment fluid comprising: (i) a first chemical having: (a) a single epoxy group; and (b) at least one alkoxy group on a silicon atom, wherein the first chemical is water soluble or dissolves with hydrolysis in an aqueous phase; and (ii) a second chemical having an amine group, wherein the second chemical is water soluble or dissolves with hydrolysis in an aqueous phase; and (C) introducing the treatment fluid through the wellbore into the zone of the subterranean formation. In various embodiments, the treatment fluid has a viscosity of less than 5 cP measured at a shear rate of 511 sec?1.Type: GrantFiled: December 9, 2013Date of Patent: June 11, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Prajakta Ratnakar Patil, Shoy George Chittattukara, Philip D. Nguyen
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Patent number: 10100244Abstract: A method of swelling an oil-swellable elastomer in a well comprising the step of: contacting the oil-swellable elastomer in the well with a treatment fluid, wherein the treatment fluid comprises: (A) an oil selected from the group consisting of alkanes and naphtha, wherein the oil comprises hydrocarbons having anywhere in the range of 5 to 21 carbons; (B) an ?-olefin having anywhere in the range of 18 to 26 carbons; and (C) an activator for oil-swelling, the activator selected from the group consisting of: ketones, dodecane, terpenes, terpenoids, haloalkanes having from 9 to 20 carbons, and any combination thereof. An oil-swelled elastomer as produced by the method is also contemplated.Type: GrantFiled: March 29, 2013Date of Patent: October 16, 2018Assignee: Halliburton Energy Services, Inc.Inventors: Prajakta Ratnakar Patil, Snehalata Sachin Agashe, Anjali Ramesh Sarda, Prasanta Das
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Patent number: 9969924Abstract: Treatment fluids for use in a well, the treatment fluids including: (a) water; (b) hydroxyalkylcellulose, wherein the hydroxyalkylcellulose is hydrated in the water-based continuous phase; (c) a crosslinker for the hydroxyalkylcellulose; (d) magnesium peroxide in particulate form; and (e) a transition metal containing complex having at least one organic ligand. Methods of treating a treatment zone in a well, the methods comprising: (A) forming a treatment fluid according to the disclosure; and (B) introducing the treatment fluid into a well.Type: GrantFiled: October 18, 2013Date of Patent: May 15, 2018Assignee: Halliburton Energy Services, Inc.Inventors: Shoy George Chittattukara, Prajakta Ratnakar Patil
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Patent number: 9845426Abstract: A fluid including: (i) a continuous aqueous phase, wherein the continuous aqueous phase has total dissolved solids in a concentration of at least 30,000 mg/l; (ii) an alkyl amido quaternary amine; (iii) a polymer, wherein the polymer is water-soluble or water-hydratable; and (iv) a crosslinker for the polymer. The continuous aqueous phase of the fluid can include a water source selected from the group consisting of flowback water, produced water, and any combination thereof. Methods include: (A) forming a fluid according to any of the various embodiments of the disclosure, and (B) introducing the fluid into a well. For example, the fluid can be used as a fracturing fluid for fracturing a treatment zone of a well.Type: GrantFiled: September 20, 2013Date of Patent: December 19, 2017Assignee: Halliburton Energy Services, Inc.Inventors: Snehalata Sachin Agashe, Prajakta Ratnakar Patil, Sushant Dattaram Wadekar
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Patent number: 9676992Abstract: Systems and methods of treating a zone of a subterranean formation penetrated by a wellbore are described. A composition may include a first solution including at least one amine containing resin; and citraconic anhydride. The composition may also include a second solution mixed with the first solution, where the second solution includes at least one epoxide containing resin. Methods may include providing the treatment fluid to a subterranean formation.Type: GrantFiled: June 10, 2014Date of Patent: June 13, 2017Assignee: Halliburton Energy Services, Inc.Inventors: Shoy George Chittattukara, Prajakta Ratnakar Patil, Anjali Ramesh Sarda
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Patent number: 9644135Abstract: Method involving consolidation compositions comprising an aqueous-based fluid, a silane-based resin, a silane-based amine curing agent, and a delaying agent. The silane-based resin is an epoxy-functionalized alkoxysilane selected from the group consisting of: (3 glycidoxypropyl)trimethoxysilane, (3 glycidoxypropyl)triethoxysilane, 5,6 epoxyhexyltriethoxysilane, (3 glycidoxypropyl)methyldiethoxysilane, (3 glycidoxypropyl)methyldimethoxysilane, and (3 glycidoxypropyl)dimethylethoxysilane. The silane-based amine curing agent is selected from the group consisting of: a polyamine, a hydrophobically modified polyamine, a polyimine, a hydrophobically modified polyimine, a polyalcohol, a hydrophobically modified polyacrylamide, a hydrophobically modified polyacrylate, and any combination thereof. The delaying agent is selected from the group consisting of: methyltrichlorosilane, dimethyldichlorosilane, trimethylchlorosilane, and any combination thereof.Type: GrantFiled: October 3, 2014Date of Patent: May 9, 2017Assignee: Halliburton Energy Services, Inc.Inventors: Anjali Ramesh Sarda-Mantri, Prajakta Ratnakar Patil, Shoy George Chittattukara, Philip D. Nguyen
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Publication number: 20170101575Abstract: Various embodiments disclosed relate to compositions for treatment of subterranean formations and a method of using the same, such as for consolidation treatments. In various embodiments the present invention provides a method of treating a subterranean formation. The method includes obtaining or providing a composition. The composition 5 includes a propane including at least one hydroxy substituent and at least two epoxide substituents. The composition also includes a hardening agent. The method includes placing the composition in a subterranean formation.Type: ApplicationFiled: June 11, 2014Publication date: April 13, 2017Inventors: Sushant Dattaram Wadekar, Neelam Deepak Raysoni, Prajakta Ratnakar Patil
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Patent number: 9611420Abstract: A composition including: (a) an aqueous phase; (b) a chitosan-based compound dispersed or dissolved in the aqueous phase; and (c) a crosslinker dispersed or dissolved in the aqueous phase, wherein the crosslinker has at least two functional groups independently selected from the group consisting of aldehyde, carboxylic acid, and carboxylate. A method including the step of introducing a composition according to the invention into a treatment zone of a well.Type: GrantFiled: May 6, 2013Date of Patent: April 4, 2017Assignee: Halliburton Energy Services, Inc.Inventors: Shoy C. George, Prajakta Ratnakar Patil, Prasanta Das
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Patent number: 9587473Abstract: A method for treating a zone of a subterranean formation penetrated by a wellbore, the method including the steps of: (A) introducing a treatment fluid through the wellbore into the zone of the subterranean formation, wherein the treatment fluid comprises an alkoxysilane having at least two alkoxy groups; (B) shutting in the zone to allow the alkoxysilane to hydrolyze in the formation under the design conditions; and (C) before or after introducing the treatment fluid into the zone, installing a mechanical sand control device in the wellbore of the zone.Type: GrantFiled: April 17, 2013Date of Patent: March 7, 2017Assignee: Halliburton Energy Services, Inc.Inventors: Prajakta Ratnakar Patil, Shoy Chittattukara George, Prasanta Das
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Patent number: 9587164Abstract: Methods for treating a zone of a subterranean formation penetrated by a wellbore comprising: (A) forming a treatment fluid comprising: (i) an aqueous continuous phase; (ii) a first chemical having: (a) a single epoxy group; and (b) at least one alkoxy group on a silicon atom, wherein the first chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; (iii) a second chemical having an amine group, wherein the second chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; and (B) introducing the treatment fluid through the wellbore into the zone of the subterranean formation. In various embodiments, the treatment fluid has a viscosity of less than 5 cP measured at a shear rate of 511 sec?1.Type: GrantFiled: September 20, 2013Date of Patent: March 7, 2017Assignee: Halliburton Energy Services, Inc.Inventors: Prajakta Ratnakar Patil, Shoy George Chittattukara, Prasanta Das
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Publication number: 20160333249Abstract: Methods for treating a zone of a subterranean formation penetrated by a wellbore comprising: (A) forming a treatment fluid comprising: (i) an aqueous continuous phase; (ii) a first chemical having: (a) a single epoxy group; and (b) at least one alkoxy group on a silicon atom, wherein the first chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; (iii) a second chemical having an amine group, wherein the second chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; and (B) introducing the treatment fluid through the wellbore into the zone of the subterranean formation.Type: ApplicationFiled: February 14, 2014Publication date: November 17, 2016Applicant: Halliburton Energy Services, Inc.Inventors: Prajakta Ratnakar Patil, Shoy George Chittattukara, Philip D. Nguyen
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Publication number: 20160289538Abstract: Methods for treating a zone of a subterranean formation penetrated by a wellbore comprising: (A) introducing an acidizing fluid into the zone of the subterranean formation; (B) forming a treatment fluid comprising: (i) a first chemical having: (a) a single epoxy group; and (b) at least one alkoxy group on a silicon atom, wherein the first chemical is water soluble or dissolves with hydrolysis in an aqueous phase; and (ii) a second chemical having an amine group, wherein the second chemical is water soluble or dissolves with hydrolysis in an aqueous phase; and (C) introducing the treatment fluid through the wellbore into the zone of the subterranean formation. In various embodiments, the treatment fluid has a viscosity of less than 5 cP measured at a shear rate of 511 sec?1.Type: ApplicationFiled: December 9, 2013Publication date: October 6, 2016Inventors: Prajakta Ratnakar Patil, Shoy George Chittattukara, Philip D. Nguyen
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Publication number: 20160251562Abstract: Methods for treating a zone of a subterranean formation penetrated by a wellbore comprising: (A) forming a treatment fluid comprising: (i) an aqueous continuous phase; (ii) a first chemical having: (a) a single epoxy group; and (b) at least one alkoxy group on a silicon atom, wherein the first chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; (iii) a second chemical having an amine group, wherein the second chemical is water soluble or dissolves with hydrolysis in the aqueous continuous phase; and (B) introducing the treatment fluid through the wellbore into the zone of the subterranean formation. In various embodiments, the treatment fluid has a viscosity of less than 5 cP measured at a shear rate of 511 sec?1.Type: ApplicationFiled: September 20, 2013Publication date: September 1, 2016Applicant: Haliburton Energy Services, Inc.Inventors: Prajakta Ratnakar Patil, Shoy George Chittattukara, Prasanta Das
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Publication number: 20160244657Abstract: A composition can be used for inhibiting the precipitation of an organic material, especially an organic material comprising asphaltene or paraffin, or for dissolving such an organic material. The composition includes: (A) one or more aliphatic compounds having 6 to 21 carbon atoms; and (B) one or more haloalkanes having 9 to 24 carbon atoms. In addition, a method for removing at least some of an organic material in a portion of a wellbore, wellbore tubular, fracture system, matrix of a subterranean formation, or pipeline, the method comprising the steps of: (A) forming or providing such a composition; and (B) contacting the composition with the portion.Type: ApplicationFiled: November 29, 2013Publication date: August 25, 2016Inventors: Anjali Ramesh Sarda, Prajakta Ratnakar Patil
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Publication number: 20160230073Abstract: Treatment fluids for use in a well, the treatment fluids including: (a) water; (b) hydroxyalkylcellulose, wherein the hydroxyalkylcellulose is hydrated in the water-based continuous phase; (c) a crosslinker for the hydroxyalkylcellulose; (d) magnesium peroxide in particulate form; and (e) a transition metal containing complex having at least one organic ligand. Methods of treating a treatment zone in a well, the methods comprising: (A) forming a treatment fluid according to the disclosure; and (B) introducing the treatment fluid into a well.Type: ApplicationFiled: October 18, 2013Publication date: August 11, 2016Inventors: Shoy George Chittattukara, Prajakta Ratnakar Patil
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Publication number: 20160194552Abstract: A fluid including: (i) a continuous aqueous phase, wherein the continuous aqueous phase has total dissolved solids in a concentration of at least 30,000 mg/l; (ii) an alkyl amido quaternary amine; (iii) a polymer, wherein the polymer is water-soluble or water-hydratable; and (iv) a crosslinker for the polymer. The continuous aqueous phase of the fluid can include a water source selected from the group consisting of flowback water, produced water, and any combination thereof. Methods include: (A) forming a fluid according to any of the various embodiments of the disclosure, and (B) introducing the fluid into a well. For example, the fluid can be used as a fracturing fluid for fracturing a treatment zone of a well.Type: ApplicationFiled: September 20, 2013Publication date: July 7, 2016Inventors: Snehalata Sachin Agashe, Prajakta Ratnakar Patil, Sushant Dattaram Wadekar
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Publication number: 20160160114Abstract: Systems and methods of treating a zone of a subterranean formation penetrated by a wellbore are described. A composition may include a first solution including at least one amine containing resin; and citraconic anhydride. The composition may also include a second solution mixed with the first solution, where the second solution includes at least one epoxide containing resin. Methods may include providing the treatment fluid to a subterranean formation.Type: ApplicationFiled: June 10, 2014Publication date: June 9, 2016Applicant: Halliburton Energy Services, Inc.Inventors: Shoy George Chittattukara, Prajakta Ratnakar Patil, Anjali Ramesh Sarda