Patents by Inventor Prabhakar Patil

Prabhakar 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).

  • Patent number: 11945993
    Abstract: A method may include: introducing a silane based aqueous soluble resin into a wellbore, wherein the silane based aqueous soluble resin comprises a glycidyl alkoxy silane containing resin and an amino alkoxy silane hardener. The silane based aqueous soluble resin may include 3-glycidoxypropyl trimethoxy silane and n-(3-(trimethoxysilyl)propyl)ethylenediamine.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: April 2, 2024
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Abhimanyu Pramod Deshpande, Rajender Salla, Shoy George Chittattukara, Sandip Prabhakar Patil, Rahul Chandrakant Patil
  • Patent number: 11938825
    Abstract: An example system includes a vehicle having a prime mover motively coupled to a drive line; a motor/generator selectively coupled to the drive line, and configured to selectively modulate power transfer between an electrical load and the drive line; a battery pack; a DC/DC converter electrically interposed between the motor/generator and the electrical load, and between the battery pack and the electrical load, the DC/DC converter comprising a DC/DC converter housing; and a covering tray positioned over a plurality of batteries of the battery pack, the covering tray comprising a connectivity layer configured to provide electrical connectivity to terminals of the plurality of batteries.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: March 26, 2024
    Assignee: EATON INTELLIGENT POWER LIMITED
    Inventors: Nihal Sukhatankar, Mahesh Prabhakar Joshi, Shivaprasad Vithal Goud, Thomas Joseph Stoltz, Matthew Richard Busdiecker, Kaylah J. Berndt, Glenn Clark Fortune, Sarah Elizabeth Behringer, Mark Steven George, Dennis Dukaric, Thomas Alan Genise, Gary Baker, Tissaphern Mirfakhrai, Elizabeth Jane Mercer, Viken Rafi Yeranosian, Lesley Earl Candler, Nicole Downing, Lalit Murlidhar Patil, Suyog Shekhar Kulkarni, Sunil Kumar Kunche, Rishabh Kumar Jain, Juan Chen
  • Patent number: 11820937
    Abstract: The current method comprises producing a loss control blend by selecting blend ingredients that contribute to thixotropy of the blend, density of the blend, and compressive strength of the set blend, wherein at least one of the blend ingredients contributes positively to all three of these attributes.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: November 21, 2023
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sairam K S Pindiprolu, Sudhir Maruti Nimane, Sandip Prabhakar Patil, Rahul Chandrakant Patil
  • Patent number: 11807806
    Abstract: Provided are methods, compositions, and systems embodying cement compositions and the synergistic effect of lost circulation materials (LCMs) and fluid loss control additives (FLCAs) thereupon for cementing subterranean zones. A method of subterranean well cementing, comprising providing a cement composition comprising a hydraulic cement, a first FLCA, a LCM, and water, wherein the first FLCA comprises a water-soluble polymer with repeating units comprising a 5- to 6-membered cyclic amide; introducing the cement composition into a wellbore penetrating a subterranean formation, wherein inclusion of the first FLCA and the LCM in the cement composition fluid reduces fluid loss into the subterranean formation, wherein the subterranean formation has fractures with a width of from about 1 micron to about 800 microns, and wherein the subterranean formation has a permeability of about 1 millidarcy to about 300 Darcy; and allowing the cement composition to set in the subterranean formation.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: November 7, 2023
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Samuel Jason Lewis, Kyriacos Agapiou, Ganesh Shriniwas Pangu
  • Publication number: 20230303906
    Abstract: Disclosed herein is a method of servicing a wellbore penetrating a subterranean formation with a thixotropic cement composition. The thixotropic cement composition comprises a cementitious material, maltodextrin, and an aqueous fluid, has a 10-minute gel strength of from about 30 lbf/100 ft2 to about 300 lbf/100 ft2, and can be used to reduce lost circulation in the wellbore. By incorporating maltodextrin into the thixotropic cement composition as disclosed herein, the thixotropic cement composition can have a similar 10-minute gel strength and an increased thickening time when compared to a reference composition.
    Type: Application
    Filed: March 23, 2022
    Publication date: September 28, 2023
    Inventors: Sandip Prabhakar PATIL, Malharrao Hambirrao JADHAV, Ganesh Shriniwas PANGU
  • Patent number: 11732176
    Abstract: A method of treating a subterranean formation can include: introducing a first fluid into a wellbore penetrating the subterranean formation; introducing a second fluid into the wellbore after introduction of the first fluid, wherein the second fluid comprises: a base fluid comprising water; a viscosifier; and a stabilizer, and wherein the second fluid has a rheological 3-rpm dial reading to 300-rpm dial reading ratio in the range of 1:1 to 1:3; and introducing a third fluid into the wellbore after introduction of the second fluid, wherein the second fluid inhibits or prevents the first fluid from mixing with the third fluid. The second fluid can be a liquid plug that substantially inhibits or prevents the first fluid from mixing with the third fluid. The first fluid can be a drilling mud or spacer fluid. The third fluid can be a spacer fluid or a cement composition.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: August 22, 2023
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Ganesh Shriniwas Pangu, Venkata Gopala Rao Palla
  • Publication number: 20230155364
    Abstract: A power source and method for providing an activating current a power source comprises an input terminal, a charging circuit having an input coupled to the input terminal of the power source, a capacitor having a first electrode coupled to an output of the charging circuit, an electronic switching circuit, a discharge protection circuit, a control switch and a disconnecting device. An input of the electronic switching circuit is coupled to the first electrode of the capacitor. The control switch includes a first terminal which is coupled via the discharge protection circuit to the input terminal of the power source and is coupled to an output of the electronic switching circuit. The disconnecting device comprises a first terminal coupled to a second terminal of the control switch.
    Type: Application
    Filed: April 9, 2021
    Publication date: May 18, 2023
    Inventors: Sagar DABHOLE, Roger BURKETT, Varsha SABALE, Prabhakar PATIL, Milan PAUL
  • Publication number: 20230082853
    Abstract: A method of treating a subterranean formation can include: introducing a first fluid into a wellbore penetrating the subterranean formation; introducing a second fluid into the wellbore after introduction of the first fluid, wherein the second fluid comprises: a base fluid comprising water; a viscosifier; and a stabilizer, and wherein the second fluid has a rheological 3-rpm dial reading to 300-rpm dial reading ratio in the range of 1:1 to 1:3; and introducing a third fluid into the wellbore after introduction of the second fluid, wherein the second fluid inhibits or prevents the first fluid from mixing with the third fluid. The second fluid can be a liquid plug that substantially inhibits or prevents the first fluid from mixing with the third fluid. The first fluid can be a drilling mud or spacer fluid. The third fluid can be a spacer fluid or a cement composition.
    Type: Application
    Filed: September 16, 2021
    Publication date: March 16, 2023
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Ganesh Shriniwas Pangu, Venkata Gopala Rao Palla
  • Publication number: 20230036729
    Abstract: A method may include: introducing a silane based aqueous soluble resin into a wellbore, wherein the silane based aqueous soluble resin comprises a glycidyl alkoxy silane containing resin and an amino alkoxy silane hardener. The silane based aqueous soluble resin may include 3-glycidoxypropyl trimethoxy silane and n-(3-(trimethoxysilyl)propyl)ethylenediamine.
    Type: Application
    Filed: July 30, 2021
    Publication date: February 2, 2023
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Abhimanyu Pramod Deshpande, Rajender Salla, Shoy George Chittattukara, Sandip Prabhakar Patil, Rahul Chandrakant Patil
  • Patent number: 11566172
    Abstract: A method of treating a well comprising introducing a well treatment fluid into the well, and a well treatment fluid, are provided. The well treatment fluid comprises an aqueous base fluid, sepiolite clay, and a polymer component selected from the group of an acryloylmorpholine polymer, a polyvinylpyrrolidone polymer, and mixtures thereof. In one embodiment, for example, the method is a method of drilling a well. In this embodiment, the well treatment fluid is a drilling fluid.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: January 31, 2023
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Ganesh Pangu, Tamal Sen, Maithili Dumbre, Sam Lewis
  • Patent number: 11535789
    Abstract: A method of servicing a wellbore penetrating a subterranean formation, comprising placing into the wellbore a cementitious composition comprising a crosslinked polymeric microgel, a clay, a cementitious material, and water. By incorporating the crosslinked polymeric microgel and the clay as disclosed herein, the cementitious composition can be used at relatively high temperatures.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: December 27, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Samuel J. Lewis, Ganesh Shriniwas Pangu
  • Patent number: 11434410
    Abstract: A method of servicing a wellbore penetrating a subterranean formation, comprising placing a wellbore servicing fluid (WSF) into the wellbore proximate a permeable zone having an average fracture width of about W microns, wherein the WSF comprises a particulate blend and water, and wherein the particulate blend comprises (a) a type A particulate material characterized by a weight average particle size of equal to or greater than about W/3 microns, and (b) a type B particulate material characterized by a weight average particle size of less than about W/3 microns, wherein a weight ratio of the type A particulate material to the type B particulate material is from about 0.05 to about 5.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: September 6, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Samuel J. Lewis, Sandip Prabhakar Patil, William Cecil Pearl, Jr.
  • Patent number: 11427746
    Abstract: Described herein are plugging materials with polysaccharides that can be used in wellbore operations. A plugging material can include hydraulic cement, amorphous silica, polysaccharides, a retarder, clay, and an aqueous base, where the material is injectable into a wellbore. The polysaccharides can be cross-linked with borate. The retarder can be at least one of an organo phosphoric acid, a modified sulfonated styrene-maleic anhydride polymer, lignosulfonate, or a polyacrylic acid.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: August 30, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Tamal Kumar Sen, Sandip Prabhakar Patil, Sheetal Singh
  • Patent number: 11365341
    Abstract: A method of servicing a wellbore in a formation comprising circulating in the wellbore a wellbore servicing fluid wherein an equivalent circulating density of the wellbore servicing fluid is from about 1% to about 15% greater than a fracture pressure of the formation, and introducing to the wellbore a balloon-inhibiting tunable spacer (BITS) fluid wherein at least about 1 wt. % of the BITS fluid is retained by the formation.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: June 21, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Kyriacos Agapiou, Paul Michael Osborne, Ganesh Shriniwas Pangu
  • Publication number: 20220098467
    Abstract: The present disclosure provides methods, compositions, and systems embodying cement compositions and the synergistic effect of lost circulation materials (LCMs) and fluid loss control additives (FLCAs) thereupon for cementing subterranean zones. A method of subterranean well cementing, comprising providing a cement composition comprising a hydraulic cement, a first FLCA, an LCM, and water, wherein the first FLCA comprises a water-soluble polymer with repeating units comprising a 5- to 6-membered cyclic amide; introducing the cement composition into a wellbore penetrating a subterranean formation, wherein inclusion of the first FLCA and the LCM in the cement composition fluid reduces fluid loss into the subterranean formation, wherein the subterranean formation has fractures with a width of from about 1 micron to about 800 microns, and wherein the subterranean formation has a permeability of about 1 milliDarcy to about 300 Darcy; and allowing the cement composition to set in the subterranean formation.
    Type: Application
    Filed: December 8, 2021
    Publication date: March 31, 2022
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Samuel Jason Lewis, Kyriacos Agapiou, Ganesh Shriniwas Pangu
  • Patent number: 11225596
    Abstract: The present disclosure provides methods, compositions, and systems embodying cement compositions and the synergistic effect of lost circulation materials (LCMs) and fluid loss control additives (FLCAs) thereupon for cementing subterranean zones. A method of subterranean well cementing, comprising providing a cement composition comprising a hydraulic cement, a first FLCA, an LCM, and water, wherein the first FLCA comprises a water-soluble polymer with repeating units comprising a 5- to 6-membered cyclic amide; introducing the cement composition into a wellbore penetrating a subterranean formation, wherein inclusion of the first FLCA and the LCM in the cement composition fluid reduces fluid loss into the subterranean formation, wherein the subterranean formation has fractures with a width of from about 1 micron to about 800 microns, and wherein the subterranean formation has a permeability of about 1 milliDarcy to about 300 Darcy; and allowing the cement composition to set in the subterranean formation.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: January 18, 2022
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sandip Prabhakar Patil, Samuel Jason Lewis, Kyriacos Agapiou, Ganesh Shriniwas Pangu
  • Publication number: 20220010192
    Abstract: A method of servicing a wellbore penetrating a subterranean formation, comprising placing a wellbore servicing fluid (WSF) into the wellbore proximate a permeable zone having an average fracture width of about W microns, wherein the WSF comprises a particulate blend and water, and wherein the particulate blend comprises (a) a type A particulate material characterized by a weight average particle size of equal to or greater than about W/3 microns, and (b) a type B particulate material characterized by a weight average particle size of less than about W/3 microns, wherein a weight ratio of the type A particulate material to the type B particulate material is from about 0.05 to about 5.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 13, 2022
    Inventors: Samuel J. Lewis, Sandip Prabhakar Patil, William Cecil Pearl, JR.
  • Publication number: 20210403793
    Abstract: The current method comprises producing a loss control blend by selecting blend ingredients that contribute to thixotropy of the blend, density of the blend, and compressive strength of the set blend, wherein at least one of the blend ingredients contributes positively to all three of these attributes.
    Type: Application
    Filed: July 29, 2019
    Publication date: December 30, 2021
    Inventors: Sairam KS PINDIPROLU, Sudhir Maruti NIMANE, Sandip Prabhakar PATIL, Rahul Chandrakant PATIL
  • Publication number: 20210371722
    Abstract: A method of servicing a wellbore in a formation comprising circulating in the wellbore a wellbore servicing fluid wherein an equivalent circulating density of the wellbore servicing fluid is from about 1% to about 15% greater than a fracture pressure of the formation, and introducing to the wellbore a balloon-inhibiting tunable spacer (BITS) fluid wherein at least about 1 wt. % of the BITS fluid is retained by the formation.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 2, 2021
    Inventors: Sandip Prabhakar PATIL, Kyriacos AGAPIOU, Paul Michael OSBORNE, Ganesh Shriniwas PANGU
  • Publication number: 20210348047
    Abstract: Described herein are plugging materials with polysaccharides that can be used in wellbore operations. A plugging material can include hydraulic cement, amorphous silica, polysaccharides, a retarder, clay, and an aqueous base, where the material is injectable into a wellbore. The polysaccharides can be cross-linked with borate. The retarder can be at least one of an organo phosphoric acid, a modified sulfonated styrene-maleic anhydride polymer, lignosulfonate, or a polyacrylic acid.
    Type: Application
    Filed: November 9, 2018
    Publication date: November 11, 2021
    Inventors: Tamal Kumar SEN, Sandip Prabhakar PATIL, Sheetal SINGH