Patents by Inventor Rajender Salla
Rajender Salla 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: 20200063022Abstract: A method of fracturing a subterranean formation is provided. In accordance with the method, a silicate component and a silica precipitation agent are each mixed with the fracturing fluid, and the fracturing fluid is allowed to precipitate silica and form micro-proppant particulates in situ in the microfracture.Type: ApplicationFiled: December 20, 2016Publication date: February 27, 2020Inventors: Rajender Salla, Sairam Eluru, Sumukh Deshprabhu, Philip D. Nguyen
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Publication number: 20200063023Abstract: A method of servicing a wellbore in a subterranean foil cation by providing a wellbore servicing fluid comprising an oil external emulsion, wherein the oil external emulsion comprises an emulsifier, water, suspended proppant particulates, and an oil external phase comprising an oleaginous fluid; and introducing the wellbore servicing fluid into the wellbore in the subterranean formation. A method of forming a wellbore servicing fluid by combining a proppant with an oleaginous fluid to provide an oleaginous fluid-coated proppant; combining the oleaginous fluid-coated proppant with an emulsifier and water; and mixing the oleaginous fluid-coated proppant, the emulsifier, and the water to form an oil external emulsion. A wellbore servicing fluid containing an oil external emulsion comprising a proppant, an oil external phase containing an oleaginous fluid, an emulsifier, and water. A well servicing system is also provided.Type: ApplicationFiled: June 17, 2016Publication date: February 27, 2020Applicant: Halliburton Energy Services, Inc.Inventors: Monica Rajendra Dandawate, Prashant Chopade, Rajender Salla
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Publication number: 20200063027Abstract: A method of servicing a wellbore in a subterranean formation by providing a wellbore servicing fluid containing proppant particulates suspended in an oil external emulsion, wherein the oil external emulsion comprises an oleaginous external phase, an aqueous internal phase, a nanomaterial, and an emulsifier, and introducing the wellbore servicing fluid into the wellbore in the subterranean formation. A method of forming a wellbore servicing fluid by dispersing a nanomaterial in water, combining the aqueous dispersed nanomaterial with a proppant, an emulsifier, and an oleaginous fluid, and mixing to form an oil external emulsion. A wellbore servicing fluid containing an oil external emulsion comprising a proppant, an oil external phase comprising an oleaginous fluid, an aqueous internal phase, a nanomaterial, and an emulsifier. A well servicing system is also provided.Type: ApplicationFiled: June 17, 2016Publication date: February 27, 2020Applicant: Halliburton Energy Services, Inc.Inventors: Prashant Chopade, Rajender Salla, Monica Rajendra Dandawate
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Publication number: 20200063014Abstract: A method of treating in a subterranean formation including combining a dimer acid; 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 dimer acid; 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: May 31, 2016Publication date: February 27, 2020Applicant: Halliburton Energy Services, Inc.Inventors: Prashant Chopade, Rajender Salla, Monica Rajendra Dandawate
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Publication number: 20200056085Abstract: A well treatment fluid comprising an aqueous base fluid and polymer gelling agent is provided. The polymer gelling agent is selected from the group of basil seed gum, derivatives of basil seed gum, and combinations thereof. Also provided is a method of treating a well. In one embodiment, for example, the method is a method of fracturing a subterranean formation. In another embodiment, for example, the method is a method of forming a gravel pack in a well.Type: ApplicationFiled: April 25, 2017Publication date: February 20, 2020Inventors: Sairam Eluru, Pratiksha Shivaji Meher, Mallikarjuna Shroff Rama, Rajender Salla
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Patent number: 10563115Abstract: Of the methods provided herein, is a method comprising: providing a treatment fluid comprising an aqueous base fluid, an inorganic oxidizer and an activator selected from the group consisting of N-acyl caprolactam based activators, substitutes benzoyl caprolactam based activators and mixtures thereof are provided; and preparing the treatment fluid for use in a down-hole operation, where the down-hole operation is either a gel breaking operation or a formation conditioning operation.Type: GrantFiled: May 5, 2015Date of Patent: February 18, 2020Assignee: Halliburton Energy Services, Inc.Inventors: Rajender Salla, Jag Pravesh
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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: 20200048536Abstract: Methods for producing a coating on a fracture surface within a subterranean formation are provided. A pad fluid is injected or introduced into a wellbore to form a primary fracture in the subterranean formation and a coating fluid is injected or introduced into the primary fracture to form secondary fractures in the subterranean formation. The coating fluid is flowed into the secondary fractures to expose nucleation surfaces on the secondary fractures to the coating fluid and to produce a resin coating on the nucleation surfaces. Conductive flow paths are formed on and/or within the resin coating. Hydrocarbons can be retrieved from the subterranean formation via the conductive flow paths within the secondary fractures. A viscosity of the pad fluid is greater than a viscosity of the coating fluid and the coating fluid contains or includes a resin, a curing agent, a surfactant, and an organic solvent.Type: ApplicationFiled: April 21, 2017Publication date: February 13, 2020Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventors: Philip D. NGUYEN, Loan K. VO, Rajender SALLA
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Patent number: 10550317Abstract: A method of treating a subterranean formation including providing a sugar based hardenable resin, providing proppant particles, providing a hardening agent, combining the sugar based hardenable resin and the hardening agent to form a resin compound, coating the resin compound onto at least a portion of the proppant particles to create resin-coated proppant particles, and placing the coated proppant particles into a subterranean formation zone, wherein the resin compound does not substantially cure prior to placing the resin coated proppant particles into the subterranean formation zone.Type: GrantFiled: August 26, 2015Date of Patent: February 4, 2020Assignee: Halliburton Energy Services, Inc.Inventors: Sairam Eluru, Rajender Salla
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Publication number: 20200032123Abstract: Certain foamed gel treatment fluids and methods of using the treatment fluids in wellbores penetrating subterranean formations are provided. In one embodiment, the treatment fluids comprise: an aqueous base fluid, a gas, a plurality of particulates, and a plurality of swellable particles each comprising a material having a first monomer, a second monomer, and a third monomer comprising a foamable surfactant. In one embodiment, the methods comprise: preparing a treatment fluid comprising an aqueous base fluid and a swellable particle that comprises a material having a first monomer, a second monomer, and a third monomer comprising a foamable surfactant; blending the treatment fluid with a gas to form a foamed gel; and introducing the foamed gel into a wellbore penetrating at least a portion of a subterranean formation.Type: ApplicationFiled: October 28, 2016Publication date: January 30, 2020Inventors: Sairam Eluru, Rajender Salla
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Patent number: 10544356Abstract: A method and system for inhibiting corrosion of a surface in a well including introducing a composition into the well, the composition comprising an acidic medium and Dihydrogen (ethyl) [4-[4-[ethyl(3-sulphonatobenzyl)amino] (4-hydroxy-2-sulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene](3-sulphonatobenzyl)ammonium), contacting the metal surface with the composition, and inhibiting corrosion of the metal surface with the Dihydrogen (ethyl)[4-[4-[ethyl(3-sulphonatobenzyl)amino](4-hydroxy-2-sulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene] (3-sulphonatobenzyl)ammonium).Type: GrantFiled: October 17, 2016Date of Patent: January 28, 2020Assignee: Halliburton Energy Services, Inc.Inventors: Sairam Eluru, Umesh Nehete, Rajender Salla
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Patent number: 10501684Abstract: The invention provides a method of treating a subterranean formation, comprising placing a composition comprising proppant particles into the subterranean formation, wherein at least a portion of proppant particles is coated with a hardened resin that is a cured product of a curable composition comprising: (A) a curable resin and (B) a hardening agent.Type: GrantFiled: September 15, 2014Date of Patent: December 10, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Rajender Salla, Neelam Deepak Raysoni, Abhimanyu Pramod Deshpande
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Patent number: 10479926Abstract: Systems and methods for stabilizing portions of a subterranean formation, including portions of a subterranean formation having unconsolidated particulates, using a consolidating agent comprising polyamino-functionalized nanoparticles are provided. Certain of the methods include the steps of providing a treatment fluid comprising a base liquid and polyamino-functionalized nanoparticles; and introducing the treatment fluid into a portion of a subterranean formation. Treatment fluids comprising polyamino-functionalized nanoparticles include gravel packing fluids, consolidation fluids, and hydraulic fracturing fluids are also provided.Type: GrantFiled: January 19, 2016Date of Patent: November 19, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Rajender Salla, Vikesh Singh Baghel, Philip D. Nguyen
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Patent number: 10435622Abstract: Gel breaking systems comprise a source of hydrogen peroxide and an activator selected from the group consisting of triazine-based activators, phthalimide-based activators and mixtures thereof. Also, methods use the gel breaking system to break the gelled component of a treatment fluid used in a gravel packing operation for a well.Type: GrantFiled: January 8, 2015Date of Patent: October 8, 2019Assignee: Halliburton Energy Services, Inc.Inventor: Rajender Salla
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Patent number: 10422206Abstract: A method for acidizing a subterranean formation is disclosed. The method includes using an acid to lower the pH of a fluid within a subterranean formation. The method further includes reacting exothermic reaction components in the fluid within the subterranean formation to heat the subterranean formation. The method additionally includes acidizing the subterranean formation.Type: GrantFiled: December 30, 2015Date of Patent: September 24, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Chaitanya Millikarjun Karale, Rajender Salla, Ragi Lohidakshan Poyyara
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Patent number: 10414972Abstract: A treatment fluid comprising a peroxide source and a perovskite family catalyst is useful in processes for breaking the gelled component of a gelled fluid used in downhole operations. In particular, the treatment fluid can be useful in fracturing operations where it can not only break the gelled component of the fracturing fluid but the gaseous oxygen generated by the peroxide source and perovskite family catalyst can be used to further fracture a subterranean formation.Type: GrantFiled: October 30, 2015Date of Patent: September 17, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Sandeep Vasant Chavan, Vilas Ramtenki, Rajender Salla
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Publication number: 20190218452Abstract: A method and system for inhibiting corrosion of a surface in a well including introducing a composition into the well, the composition comprising an acidic medium and Dihydrogen (ethyl) [4-[4-[ethyl(3-sulphonatobenzyl)amino] (4-hydroxy-2-sulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene](3-sulphonatobenzyl)ammonium), contacting the metal surface with the composition, and inhibiting corrosion of the metal surface with the Dihydrogen (ethyl)[4-[4-[ethyl(3-sulphonatobenzyl)amino](4-hyodroxy-2-sulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene] (3-sulphonatobenzyl)ammonium).Type: ApplicationFiled: October 17, 2016Publication date: July 18, 2019Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventors: Sairam Eluru, Umesh Nehete, Rajender Salla
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Patent number: 10344200Abstract: Resin coatings are frequently formed in conjunction with performing a subterranean treatment operation. However, poor thermal conductivity and mechanical strength of resin coatings can be problematic in a downhole environment and eventually lead to their breakdown. Methods for enhancing a resin coating in a downhole environment can comprise: introducing a treatment fluid comprising a curable resin and a carbon nanomaterial into a wellbore penetrating a subterranean formation; forming a coating of the curable resin on a surface in the wellbore, the carbon nanomaterial being dispersed throughout the coating; and curing the curable resin to form a cured resin coating.Type: GrantFiled: November 4, 2014Date of Patent: July 9, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Rajender Salla, Neelam Deepak Raysoni, Philip D. Nguyen
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Patent number: 10280122Abstract: Various embodiments disclosed relate to compositions including a plurality of capsules each independently comprising an outer wall and an inner compartment, the inner compartment independently comprising at least one of a first hardenable resin, a first hardener or activator, and a solvent, self-healing hardened resins formed from the same, and methods of using the same. In various embodiments, the present invention provides a method of treating a subterranean formation including placing the composition in a subterranean formation, and forming a selfhealing hardened resin in the subterranean formation from the composition.Type: GrantFiled: October 7, 2014Date of Patent: May 7, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Rajender Salla, Mallikarjuna Shroff Rama, Jag Pravesh