Patents by Inventor Corneliu Stanciu
Corneliu Stanciu 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: 10689567Abstract: Methods including preparing a treatment fluid comprising a bulk amount of anhydrous ammonia, wherein the anhydrous ammonia is present in an amount greater than about 10% by weight of a liquid portion of the treatment fluid, and wherein the anhydrous ammonia is in a phase selected from the group consisting of a liquid phase, a gaseous phase, supercritical phase, and any combination thereof; and introducing the treatment fluid into a subterranean formation.Type: GrantFiled: March 10, 2015Date of Patent: June 23, 2020Assignee: HALLIBURTON ENERGY SERVICES, INC.Inventors: Corneliu Stanciu, Jim D. Weaver, Samuel James Maguire-Boyle, Dipti Singh, Jeremy A. Holtsclaw, Michael A. McCabe
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Patent number: 10633578Abstract: A method of treating a subterranean formation including suspending proppant particulates in a treatment fluid, wherein the proppant particles include a coating comprising a salt-tolerant, water-swellable polymer, and the treatment fluid includes at least one fluid consisting of fresh water, salt water, seawater, brine, an aqueous salt solution, and combinations thereof; and introducing the treatment fluid containing the settling retardant proppant particulates into the subterranean formation. A composite proppant particle includes a proppant substrate and a salt tolerant polymeric layer deposited on the proppant substrate.Type: GrantFiled: February 18, 2015Date of Patent: April 28, 2020Assignee: Halliburton Energy Services, Inc.Inventors: Yuntao Thomas Hu, Travis Hope Larsen, Corneliu Stanciu, Ajish Potty
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Patent number: 10315867Abstract: Application of biodegradable oils to additive particles to control dusting. A method of reducing an amount of dust produced during transfer of additive particles comprising: treating at least some of the additive particles with one or more biodegradable oils; storing the additive particles; and transferring the additive particles prior to and after storage, wherein biodegradable oil reduces the amount of dust produced during at least one of the transfers of the additive particles.Type: GrantFiled: January 27, 2015Date of Patent: June 11, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Philip D. Nguyen, Corneliu Stanciu, Loan K. Vo
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Patent number: 10259990Abstract: A fracturing fluid and method of including a cellulose polymer derivative, a diol functional group, and a borate crosslinker. The diol functional group may be a cis-diol functional group, a 1,2-diol functional group, or a 1,3-diol functional group. The cellulose polymer derivative further may include a hydroxyethyl group or a hydroxypropyl group. The fracturing fluid may also include at least one metallic crosslinker. The method may also include the steps of adding a pH adjusting agent, at least one breaker, a surfactant, a scale inhibitor, and/or a bactericide to the fracturing fluid, or mixing the fracturing fluid using mixing equipment or wherein the fracturing fluid is introduced into a subterranean formation using one or more pumps.Type: GrantFiled: January 9, 2014Date of Patent: April 16, 2019Assignee: HALLIBURTON ENERGY SERVICES, INC.Inventors: Loan K. Vo, Bradley J. Sparks, Corneliu Stanciu, Christopher Parton
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Patent number: 10066145Abstract: Diverting agent compositions comprising polymeric diverting agents and surface polymeric brushes, and methods of use in subterranean formations, are provided. In one embodiment, the diverting compositions comprise: a first component comprising polymeric particles; and a second component comprising polymeric particles having a plurality of surface polymeric brushes.Type: GrantFiled: August 18, 2014Date of Patent: September 4, 2018Assignee: Halliburton Energy Services, Inc.Inventors: Janette Cortez, Corneliu Stanciu
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Patent number: 10053618Abstract: Methods for treating a shale formation may include injecting a pad fluid including a shale stabilizing agent into a shale formation to generate one or more fractures. The method may also include injecting a fracturing slurry including proppant particulates into the one or more generated fractures such that the proppant particulates form microfractures along shale fracture faces. At least a portion of the proppant particulates may be at least partially coated with at least one oxidizing agent.Type: GrantFiled: March 13, 2014Date of Patent: August 21, 2018Assignee: Halliburton Energy Services, Inc.Inventors: Philip D. Nguyen, Corneliu Stanciu, Jesse Clay Hampton
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Patent number: 9976074Abstract: Methods and compositions including self-suspending proppant particulates comprising proppant particulates at least partially coated with a canola protein-based hydrogel, wherein the canola protein-based hydrogel comprises a copolymer of a water-swellable polymeric material grafted onto a hydrolyzed canola protein backbone. In some embodiments, the water-swellable polymeric material further comprises at least one guanidinium ion pendant group.Type: GrantFiled: August 27, 2014Date of Patent: May 22, 2018Assignee: Halliburton Energy Services, Inc.Inventors: Corneliu Stanciu, Loan K. Vo, Philip D. Nguyen
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Publication number: 20180022989Abstract: Methods including preparing a treatment fluid comprising a bulk amount of anhydrous ammonia, wherein the anhydrous ammonia is present in an amount greater than about 10% by weight of a liquid portion of the treatment fluid, and wherein the anhydrous ammonia is in a phase selected from the group consisting of a liquid phase, a gaseous phase, supercritical phase, and any combination thereof; and introducing the treatment fluid into a subterranean formation.Type: ApplicationFiled: March 10, 2015Publication date: January 25, 2018Inventors: Corneliu STANCIU, Jim D. WEAVER, Samuel James MAGUIRE-BOYLE, Dipti SINGH, Jeremy A. HOLTSCLAW, Michael A. MCCABE
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Publication number: 20180002122Abstract: Application of biodegradable oils to additive particles to control dusting. A method of reducing an amount of dust produced during transfer of additive particles comprising: treating at least some of the additive particles with one or more biodegradable oils; storing the additive particles; and transferring the additive particles prior to and after storage, wherein biodegradable oil reduces the amount of dust produced during at least one of the transfers of the additive particles.Type: ApplicationFiled: January 27, 2015Publication date: January 4, 2018Applicant: Halliburton Energy Services, Inc.Inventors: Philip D. Nguyen, Corneliu Stanciu, Loan K. Vo
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Publication number: 20180002594Abstract: A method of treating a subterranean formation including suspending proppant particulates in a treatment fluid, wherein the proppant particles include a coating comprising a salt-tolerant, water-swellable polymer, and the treatment fluid includes at least one fluid consisting of fresh water, salt water, seawater, brine, an aqueous salt solution, and combinations thereof; and introducing the treatment fluid containing the settling retardant proppant particulates into the subterranean formation. A composite proppant particle includes a proppant substrate and a salt tolerant polymeric layer deposited on the proppant substrate.Type: ApplicationFiled: February 18, 2015Publication date: January 4, 2018Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventors: Yuntao Thomas Hu, Travis Hope Larsen, Corneliu Stanciu, Ajish Potty
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Patent number: 9850424Abstract: Methods including providing a silane composition selected from the group consisting of a dipodal silane, a long-chain silane, and any combination thereof, wherein the dipodal silane includes at least two carbon chains having between about 2 and about 36 carbon atoms, and wherein the long-chain silane includes at least one carbon chain having between about 2 and about 36 carbon atoms; coating proppant particulates with the silane composition, thereby forming silane composition coated proppant particulates; and introducing the silane composition coated proppant particulates into at least one fracture in a subterranean formation, thereby stabilizing loose particulates therein.Type: GrantFiled: June 18, 2014Date of Patent: December 26, 2017Assignee: Halliburton Energy Services, Inc.Inventors: Corneliu Stanciu, James Ogle
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Publication number: 20170252716Abstract: A system for transferring additive particles comprising: the additive particles; a storage container; and a surface modification agent, wherein at least some of the additive particles are treated with the surface modification agent, and wherein the surface modification agent reduces an amount of dust that is produced during transfer of the additive particles into the storage container, from the storage container, or into and from the storage container. A method of reducing an amount of dust produced during transfer of additive particles comprising: treating at least some of the additive particles with a surface modification agent; storing the additive particles; and transferring the additive particles prior to and after storage, wherein the surface modification agent reduces the amount of dust produced during at least one of the transfers of the additive particles.Type: ApplicationFiled: October 30, 2014Publication date: September 7, 2017Inventors: Philip D. Nguyen, Loan Vo, Corneliu Stanciu, Timothy H. Hunter
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Publication number: 20170210965Abstract: Diverting agent compositions comprising polymeric diverting agents and surface polymeric brushes, and methods of use in subterranean formations, are provided. In one embodiment, the diverting compositions comprise: a first component comprising polymeric particles; and a second component comprising polymeric particles having a plurality of surface polymeric brushes.Type: ApplicationFiled: August 18, 2014Publication date: July 27, 2017Inventors: Janette Cortez, Corneliu Stanciu
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Patent number: 9702219Abstract: A stabilization composition including a polymerizable ionic liquid (“PIL”) comprising a cationic group, an anionic group, and a polymerizable functional group, wherein the cationic group has a molecular mass in the range of about 20 g/mol to about 500 g/mol and the anionic group has a molecular mass in the range of about 30 g/mol to about 500 g/mol.Type: GrantFiled: October 1, 2014Date of Patent: July 11, 2017Assignee: Halliburton Energy Services, Inc.Inventors: Corneliu Stanciu, James Ogle, Bradley James Sparks
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Patent number: 9702225Abstract: A method of treating a subterranean formation comprising: introducing a first treatment fluid into a well, wherein the first treatment fluid comprises a base fluid and a scale inhibitor; and introducing a second treatment fluid into the well, wherein the second treatment fluid comprises a base fluid and a surface modification agent, wherein the surface modification agent is a hydrophobically modified polyamide. A method of fracturing a subterranean formation comprising: introducing a fracturing fluid into a well, wherein the introduction of the fracturing fluid creates or enhances a fracture in the subterranean formation, wherein the fracturing fluid comprises: a base fluid; proppant; a scale inhibitor; and the surface modification agent.Type: GrantFiled: May 13, 2015Date of Patent: July 11, 2017Assignee: Halliburton Energy Services, Inc.Inventors: Jesse V. Mello, Corneliu Stanciu, Loan K. Vo
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Publication number: 20170183563Abstract: Methods and compositions including self-suspending proppant particulates comprising proppant particulates at least partially coated with a canola protein-based hydrogel, wherein the canola protein-based hydrogel comprises a copolymer of a water-swellable polymeric material grafted onto a hydrolyzed canola protein backbone. In some embodiments, the water-swellable polymeric material further comprises at least one guanidinium ion pendant group.Type: ApplicationFiled: August 27, 2014Publication date: June 29, 2017Applicant: Halliburton Energy Services, Inc.Inventors: Corneliu Stanciu, Loan K. Vo, Philip D. Nguyen
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Publication number: 20170145295Abstract: Methods for treating a shale formation may include injecting a pad fluid including a shale stabilizing agent into a shale formation to generate one or more fractures. The method may also include injecting a fracturing slurry including proppant particulates into the one or more generated fractures such that the proppant particulates form microfractures along shale fracture faces. At least a portion of the proppant particulates may be at least partially coated with at least one oxidizing agent.Type: ApplicationFiled: March 13, 2014Publication date: May 25, 2017Applicant: Halliburton Energy Services, Inc.Inventors: Philip D. Nguyen, Corneliu Stanciu, Jesse Clay Hampton
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Publication number: 20170096598Abstract: Functionalized proppant particulates including proppant particulates having functional groups chemically deposited thereon, the functional groups selected from the group consisting of an epoxy silane group, an amine silane group, an acrylyl silane group, and any combination thereof, and a swellable material chemically bound to one or more of the functional groups.Type: ApplicationFiled: August 15, 2014Publication date: April 6, 2017Applicant: Halliburton Energy Services, Inc.Inventors: Loan K. Vo, Corneliu Stanciu, Philip D. Nguyen
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Publication number: 20160340571Abstract: Methods and compositions for hydrophobically modifying fracture faces may utilize hydrophobically modified amine-containing polymers. For example, a method may include providing a treatment fluid that comprises a base fluid, an HMAP dispersed in the base fluid, and an HMAP-coated proppant, the HMAP comprising a plurality of hydrophobic modifications on an amine-containing polymer; introducing the treatment fluid into a wellbore penetrating a subterranean formation, wherein the subterranean formation comprises at least one fracture; and treating at least a portion of the subterranean formation adjacent to a face of the at least one fracture with the HMAP dispersed in the base fluid.Type: ApplicationFiled: April 3, 2014Publication date: November 24, 2016Applicant: Halliburton Energy Services, Inc.Inventors: Feng Liang, Philip D. Nguyen, Corneliu Stanciu
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Patent number: 9499734Abstract: Conformance fluids comprising a base fluid; and a canola protein-based hydrogel comprising a copolymer of a water-swellable polymeric material grafted onto a hydrolyzed canola protein backbone, wherein the canola protein-based hydrogel is present in the conformance fluid in an amount in the range of from about 1% to about 10% by weight of the conformance fluid.Type: GrantFiled: August 27, 2014Date of Patent: November 22, 2016Assignee: Halliburton Energy Services, Inc.Inventors: Corneliu Stanciu, Loan K. Vo, Philip D. Nguyen