Patents by Inventor Prashant D. Chopade
Prashant D. Chopade 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: 11608724Abstract: Provided herein are methods systems and compositions of a fracturing fluid comprising an associative polymer and clay nanoparticles. A method may comprise: providing a fracturing fluid comprising: a carrier fluid; an associative polymer; and clay nanoparticles; and injecting the fracturing fluid into a subterranean formation at or above a fracture gradient.Type: GrantFiled: November 9, 2021Date of Patent: March 21, 2023Assignee: Halliburton Energy Services, Inc.Inventors: Prashant D. Chopade, Dipti Singh, Jeremy A. Holtsclaw
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Publication number: 20220065086Abstract: Provided herein are methods systems and compositions of a fracturing fluid comprising an associative polymer and clay nanoparticles. A method may comprise: providing a fracturing fluid comprising: a carrier fluid; an associative polymer; and clay nanoparticles; and injecting the fracturing fluid into a subterranean formation at or above a fracture gradient.Type: ApplicationFiled: November 9, 2021Publication date: March 3, 2022Applicant: Halliburton Energy Services, Inc.Inventors: Prashant D. Chopade, Dipti Singh, Jeremy A. Holtsclaw
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Patent number: 11230660Abstract: Lightweight micro-proppant suitable to prop open not only near-wellbore microfractures but also far-field microfractures. Some methods of fracturing and propping may comprise first introducing a pad fluid comprising a lightweight micro-proppant into a wellbore penetrating a subterranean formation at a rate and pressure sufficient to create or extend a fracture network in the subterranean formation, wherein the fracture network comprises microfractures. The lightweight micro-proppant comprises a thermoset nanocomposite having a specific gravity of about 0.9 to about 1.4 and having an average diameter of about 0.1 microns to about 50 microns. Then introducing a proppant slurry comprising a macro-proppant into the wellbore penetrating the subterranean formation after introducing the pad fluid forming a proppant pack in the fracture network wherein at least some of the lightweight micro-proppant is located in the microfractures.Type: GrantFiled: July 8, 2016Date of Patent: January 25, 2022Assignee: Halliburton Energy Services, Inc.Inventors: Philip D. Nguyen, Mallikarjuna Shroff Rama, Prashant D. Chopade
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Patent number: 11203923Abstract: Provided herein are methods systems and compositions of a fracturing fluid comprising an associative polymer and clay nanoparticles. A method may comprise: providing a fracturing fluid comprising: a carrier fluid; an associative polymer; and clay nanoparticles; and injecting the fracturing fluid into a subterranean formation at or above a fracture gradient.Type: GrantFiled: April 21, 2017Date of Patent: December 21, 2021Assignee: Halliburton Energy Services, Inc.Inventors: Prashant D. Chopade, Dipti Singh, Jeremy A. Holtsclaw
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Publication number: 20210292638Abstract: A method of treating in a subterranean formation including combining a demulsifier; proppant; an emulsifier; an oil base fluid; and aqueous base fluid to form an oil-external emulsified fluid; and introducing the oil-external emulsified fluid into the subterranean formation. A method of forming a wellbore fluid including combining proppant; a demulsifier; an aqueous base fluid, an oil base fluid, and an emulsifier to form a pre-emulsified fluid; and mixing the pre-emulsified fluid to form an oil-external emulsified fluid.Type: ApplicationFiled: December 31, 2016Publication date: September 23, 2021Applicant: Halliburton Energy Services, Inc.Inventors: Prashant D. Chopade, Rajender Salla, Eli Allen Schnoor, Monica Rajendra Dandawate, Walter T. Stephens
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Patent number: 11124698Abstract: Methods and compositions for stimulating oil or gas production from a well with a single treatment fluid for use in a combined acidizing and hydraulic fracturing treatment are provided. An embodiment is a method comprising: coating a plurality of proppant particulates with oil to form oil-coated proppant particulates; adding the oil-coated proppant particulates to a solution comprising water, an acid source, and an emulsifier, wherein the ratio of the oil coating the proppant particulates to the water in the solution is less than 20:80 by volume; and mixing the solution and the oil-coated proppant particulates to form a treatment fluid comprising a water-in-oil emulsion and the oil-coated proppant particulates.Type: GrantFiled: November 7, 2016Date of Patent: September 21, 2021Assignee: Halliburton Energy Services, Inc.Inventors: Prashant D. Chopade, Rajender Salla, Monica Rajendra Dandawate, Enrique Antonio Reyes, Walter T. Stephens
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Publication number: 20210017843Abstract: Provided herein are methods systems and compositions of a fracturing fluid comprising an associative polymer and clay nanoparticles. A method may comprise: providing a fracturing fluid comprising: a carrier fluid; an associative polymer; and clay nanoparticles; and injecting the fracturing fluid into a subterranean formation at or above a fracture gradient.Type: ApplicationFiled: April 21, 2017Publication date: January 21, 2021Applicant: Halliburton Energy Services, Inc.Inventors: Prashant D. Chopade, Dipti Singh, Jeremy A. Holtsclaw
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Patent number: 10793769Abstract: Various embodiments disclosed relate to compositions including acidic chelator or salt or ester thereof for treatment of subterranean formations including one or more fractures. In various embodiments, the present invention provides a method of treating a subterranean formation. The method includes placing in the subterranean formation a composition including an acidic chelator or a salt or ester thereof. The subterranean formation includes one or more fractures.Type: GrantFiled: September 23, 2015Date of Patent: October 6, 2020Assignee: Halliburton Energy Services, Inc.Inventors: Philip D. Nguyen, Matthew Lewis Lahman, Aaron Gene Russell, Dipti Singh, Prashant D. Chopade, Travis Hope Larsen
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Patent number: 10760397Abstract: Proppant-free channels may be formed in a proppant pack in subterranean formations by using the miscibility and immiscibility of proppant-laden and proppant-free fluids. For example, a method of forming a proppant pack may include: introducing, in alternating order, a proppant-laden fluid and a proppant-free fluid into a wellbore penetrating a subterranean formation, wherein the proppant-laden fluid comprises an oil-external emulsion and a proppant, and wherein the proppant-free fluid is immiscible with the proppant-laden fluid; and forming a proppant pack in a fracture in the subterranean formation, wherein the proppant pack comprises proppant-laden clusters and proppant-free channels.Type: GrantFiled: May 18, 2016Date of Patent: September 1, 2020Assignee: HALLIBURTON ENERGY SERVICES, INC.Inventors: Loan Vo, Prashant D. Chopade, Philip D. Nguyen, Christopher Parton
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Patent number: 10662372Abstract: Methods including introducing a treatment fluid into a subterranean formation having at least one fracture therein, the treatment fluid comprising an aqueous base fluid and brush photopolymerized coated proppant particulates (bPCPPs), and placing the bPCPPs into the at least one fracture to form a proppant pack therein. The bPCPPs comprise proppant modified with a coupling agent photopolymerized to a derivatized hydrophilic polymer, thereby resulting in a brush polymer structure of the derivatized hydrophilic polymer extending from the proppant.Type: GrantFiled: October 22, 2015Date of Patent: May 26, 2020Assignee: HALLIBURTON ENERGY SERVICES, INC.Inventors: Dipti Singh, Prashant D. Chopade, Janette Cortez, Philip D. Nguyen, Ronald Glen Dusterhoft
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Publication number: 20200140745Abstract: A method of treating in a subterranean formation including forming an acid internal/oil external emulsified fluid, wherein the emulsified fluid comprises an oil based fluid, an aqueous fluid, an emulsifier, and an acid; forming a nanoparticle clay fluid, wherein the fluid comprises a nanoparticle clay, a gelling agent, and a crosslinking agent; combining the emulsified fluid and the nanoparticle clay fluid to form a treatment fluid; introducing the treatment fluid into the subterranean formation; breaking the acid internal/oil external emulsion fluid portion of the treatment fluid, thereby releasing the acid; and breaking the nanoparticle clay fluid portion of the treatment fluid with the released acid. Treatment fluids include an acid internal/oil external emulsified fluid, wherein the emulsified fluid comprises an oil based fluid, an aqueous fluid, an emulsifier, and an acid; and a nanoparticle clay fluid, wherein the fluid comprises a nanoparticle clay, a gelling agent, and a crosslinking agent.Type: ApplicationFiled: November 29, 2016Publication date: May 7, 2020Applicant: Halliburton Energy Services, Inc.Inventors: Prashant D. Chopade, Dipti Singh
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Patent number: 10577536Abstract: A method of treating in a subterranean formation including combining an aqueous base fluid, an oil based fluid, a hydrophobic proppant, and a non-hydrophobic proppant to form an immiscible fluid system; and introducing the immiscible fluid system into the subterranean formation. A method of treating includes combining an aqueous base fluid, an oil based fluid, a hydrophobic proppant, and a non-hydrophobic proppant to form an immiscible fluid system; introducing the immiscible fluid system into a fracture in the formation; allowing the immiscible fluid system to separate into at least two separate phases, wherein the oil based fluid and hydrophobic proppant to form proppant aggregates and the aqueous based fluid to act as a spacer fluid surrounding at least a portion of the proppant aggregates; and removing the spacer fluid from the fracture during flowback stage or well production to form proppant-free channels between proppant aggregates.Type: GrantFiled: June 30, 2015Date of Patent: March 3, 2020Assignee: Halliburton Energy Services, Inc.Inventors: Prashant D. Chopade, Dipti Singh, Travis Hope Larsen, Philip D. Nguyen
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Publication number: 20200056090Abstract: Lightweight micro-proppant suitable to prop open not only near-wellbore microfractures but also far-field microfractures. Some methods of fracturing and propping may comprise first introducing a pad fluid comprising a lightweight micro-proppant into a wellbore penetrating a subterranean formation at a rate and pressure sufficient to create or extend a fracture network in the subterranean formation, wherein the fracture network comprises microfractures. The lightweight micro-proppant comprises a thermoset nanocomposite having a specific gravity of about 0.9 to about 1.4 and having an average diameter of about 0.1 microns to about 50 microns. Then introducing a proppant slurry comprising a macro-proppant into the wellbore penetrating the subterranean formation after introducing the pad fluid forming a proppant pack in the fracture network wherein at least some of the lightweight micro-proppant is located in the microfractures.Type: ApplicationFiled: July 8, 2016Publication date: February 20, 2020Inventors: Philip D. Nguyen, Millikarjuna SHROFF RAMA, Prashant D. Chopade
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Publication number: 20200048539Abstract: Methods and compositions for treating a well with a self-breaking emulsified fluid system. One embodiment is a method comprising: providing a treatment fluid comprising: an emulsion comprising: an external phase comprising a hydrophobic and hydrolysable liquid; an internal aqueous phase, and an emulsifier; and a plurality of proppant particulates; and injecting the treatment fluid into a well bore penetrating at least a portion of a subterranean formation at or above a pressure sufficient to create or enhance one or more fractures in the subterranean formation.Type: ApplicationFiled: November 3, 2016Publication date: February 13, 2020Applicant: Halliburton Energy Services, Inc.Inventors: Monica Rajendra DANDAWATE, Rajender SALLA, Prashant D. CHOPADE
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Publication number: 20200048540Abstract: Methods and compositions for stimulating oil or gas production from a well with a single treatment fluid for use in a combined acidizing and hydraulic fracturing treatment are provided. An embodiment is a method comprising: coating a plurality of proppant particulates with oil to form oil-coated proppant particulates; adding the oil-coated proppant particulates to a solution comprising water, an acid source, and an emulsifier, wherein the ratio of the oil coating the proppant particulates to the water in the solution is less than 20:80 by volume; and mixing the solution and the oil-coated proppant particulates to form a treatment fluid comprising a water-in-oil emulsion and the oil-coated proppant particulates.Type: ApplicationFiled: November 7, 2016Publication date: February 13, 2020Applicant: Halliburton Energy Services, Inc.Inventors: Prashant D. CHOPADE, Rajender SALLA, Monica Rajendra DANDAWATE, Enrique Antonio REYES, Walter T. STEPHENS
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Publication number: 20190352559Abstract: Proppant-free channels may be formed in a proppant pack in subterranean formations by using the miscibility and immiscibility of proppant-laden and proppant-free fluids. For example, a method of forming a proppant pack may include: introducing, in alternating order, a proppant-laden fluid and a proppant-free fluid into a wellbore penetrating a subterranean formation, wherein the proppant-laden fluid comprises an oil-external emulsion and a proppant, and wherein the proppant-free fluid is immiscible with the proppant-laden fluid; and forming a proppant pack in a fracture in the subterranean formation, wherein the proppant pack comprises proppant-laden clusters and proppant-free channels.Type: ApplicationFiled: May 18, 2018Publication date: November 21, 2019Inventors: Loan VO, Prashant D. CHOPADE, Philip D. NGUYEN, Christopher PARTON
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Patent number: 10428264Abstract: Methods of preparing a viscosified treatment fluid comprising a base fluid, a gelling agent, and breaker coated particulates (“BCPs”). The BCPs comprise particulates at least partially coated with a first layer of a stabilization agent followed by a second layer of a breaker. The viscosified treatment fluid may be introduced into a subterranean formation, the breaker activated to reduce a viscosity thereof, and a particulate pack formed in the subterranean formation with the BCPs.Type: GrantFiled: December 12, 2014Date of Patent: October 1, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Prashant D. Chopade, Philip D. Nguyen
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Patent number: 10287867Abstract: Methods including creating or extending a first main fracture with a pad fluid into a subterranean formation, wherein the pad fluid is a high-viscosity fluid; alternatingly introducing a micro-proppant fluid with the pad fluid, wherein the micro-proppant fluid is a low-viscosity fluid comprising micro-sized proppant particulates; creating or extending a first branch fracture extending from the first main fracture with the alternatingly introduced micro-proppant fluid, whereby at least a portion of the micro-sized proppant particulates enter into the first branch fracture and form at least a partial monolayer of micro-sized proppant particulates therein; and introducing a macro-proppant fluid through the first opening at a second flow rate, wherein the macro-proppant fluid is a low-viscosity fluid comprising macro-sized proppant particulates, and whereby at least a portion of the macro-sized proppant particulates enter into the first main fracture and form a proppant pack therein.Type: GrantFiled: September 23, 2015Date of Patent: May 14, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Philip D. Nguyen, Dipti Singh, Prashant D. Chopade, Travis Hope Larsen
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Patent number: 10208233Abstract: A method and a composition for suppressing and eliminating dust particulate. The composition includes an aqueous gelling solution, and a proppant particulate. The aqueous gelling solution and the proppant particulate are combined to create a mixture. The aqueous gelling solution and the proppant particulate may be combined using at least one of composition spraying the aqueous gelling solution, mist spraying the aqueous gelling solution, and atomized spraying aqueous gelling solution. The mixture may include around 0.1 weight percent to 5 weight percent w/v of the aqueous gelling solution. The gelling agent may include a suitable viscosifying polymer.Type: GrantFiled: August 5, 2015Date of Patent: February 19, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Prashant D. Chopade, Philip D. Nguyen
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Patent number: 10202541Abstract: The disclosure describes aqueous fracking fluid comprising crosslinked cationic cellulose, methods for preparing the aqueous fracking fluid, and methods of using the aqueous fracking fluid.Type: GrantFiled: August 28, 2014Date of Patent: February 12, 2019Assignee: HALLIBURTON ENERGY SERVICES, INC.Inventors: Prashant D. Chopade, Dipti Singh, Ali Alwattari