Patents by Inventor Siva Rama Krishna JANDHYALA
Siva Rama Krishna JANDHYALA 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: 20230055082Abstract: A method of designing a cement pumping procedure of a wellbore isolation barrier with a design application receiving customer inputs comprising a plurality of wellbore data and a job objective. The design application can retrieve a cement pumping procedure from a data source comprising a series of sequential steps to achieve the job objective. The design application can load the customer inputs into the cement pumping procedure, access a database of best practices, calculate a probability score for achieving the job objective based on a model, and recommend modifying one or more steps of the cement pumping procedure with one or more best practices in response to the probability score being below a threshold.Type: ApplicationFiled: August 23, 2021Publication date: February 23, 2023Inventors: Siva Rama Krishna JANDHYALA, John Paul Bir SINGH, Krishna Babu YERUBANDI, Richard Frank VARGO, JR.
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Patent number: 11584695Abstract: A method of designing a cement slurry may include: (a) selecting at least a cement and concentration thereof, a water and concentration thereof, and one or more chemical additives and a concentration thereof such that a cement slurry formed from the cement, water, and the one or more chemical additives meet a density requirement; (b) calculating a thickening time of the cement slurry using a thickening time model; (c) comparing the thickening time of the cement slurry to a thickening time requirement, wherein steps (a)-(c) are repeated if the thickening time of the cement slurry does not meet or exceed the thickening time requirement, wherein the step of selecting comprises selecting concentrations and/or different chemical identities for the one or more chemical additives, cement, or water, or step (d) is performed if the thickening time of the cement slurry meets or exceeds the thickening time requirement; and (d) preparing the cement slurry.Type: GrantFiled: July 8, 2020Date of Patent: February 21, 2023Assignee: Halliburton Energy Services, Inc.Inventors: Siva Rama Krishna Jandhyala, John Paul Bir Singh
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Patent number: 11577997Abstract: A method may include comprising: defining engineering parameters of a proposed cement slurry, the engineering parameters comprising at least a compressive strength requirement, a density requirement, a storage time requirement, and a thickening time requirement; selecting, based at least in part on a model of compressive strength, a model of storage time, and the density requirement, at least a cement and mass fraction thereof, at least one supplementary cementitious material and mass fraction thereof, and a water and mass fraction thereof, such that a set cement formed from the cement, the at least one supplementary cementitious material, and the water meets or exceeds the compressive strength requirement and the density requirement; selecting, based at least in part on a model of thickening time, an accelerator and mass fraction thereof; and preparing a cement slurry comprising the cement and mass fraction thereof, the at least one supplementary cementitious material and mass fraction thereof, the water andType: GrantFiled: July 8, 2020Date of Patent: February 14, 2023Assignee: Halliburton Energy Services, Inc.Inventors: Siva Rama Krishna Jandhyala, John Paul Bir Singh, Thomas Jason Pisklak, Claudia Carmen Pineda
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Publication number: 20230037091Abstract: A method of producing a cement composition with reduced carbon emissions may include: defining cement constraints comprising at least one cement property; calculating a set of cement compositions which satisfy the cement constraints, using cement property models corresponding to the cement constraints; calculating a carbon emission associated with each of the cement compositions in the set of cement compositions using a carbon footprint model; selecting a cement composition from the set of cement compositions; and preparing the cement composition.Type: ApplicationFiled: July 28, 2021Publication date: February 2, 2023Applicant: Halliburton Energy Services, Inc.Inventors: Siva Rama Krishna Jandhyala, John Paul Bir Singh
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Patent number: 11555139Abstract: A method of cementing may include: measuring a feeding rate of water and a feeding rate of cement blend into a cement blender; calculating a cement retarder feeding rate and/or an accelerator feeding rate using a thickening time model, wherein the thickening time model uses at least a thickening time requirement, the feeding rate of water, and the feeding rate of cement blend, to calculate the cement retarder feeding rate and/or the accelerator feeding rate; introducing a cement retarder at the cement retarder feeding rate and/or an accelerator at the accelerator feeding rate into the cement blender; mixing at least the water, cement blend, and at least one of the cement retarder and/or the accelerator in the cement blender to provide a cement slurry; and placing the cement slurry in a wellbore.Type: GrantFiled: July 8, 2020Date of Patent: January 17, 2023Assignee: Halliburton Energy Services, Inc.Inventors: John Paul Bir Singh, Siva Rama Krishna Jandhyala, Keith Edward Blaschke
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Patent number: 11542776Abstract: Methods for producing a plug in a wellbore within a downhole environment are provided. The method includes introducing a magnetorheological fluid into the wellbore and exposing the magnetorheological fluid to a magnetic field to form a base plug within the wellbore. The base plug contains a viscoelastic solid derived from the magnetorheological fluid. The method also includes introducing a cement slurry into the wellbore and onto the base plug and forming a cement plug on the base plug from the cement slurry.Type: GrantFiled: June 5, 2018Date of Patent: January 3, 2023Assignee: Halliburton Energy Services, Inc.Inventors: Siva Rama Krishna Jandhyala, Ganesh Shriniwas Pangu
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Patent number: 11531006Abstract: Methods and systems for characterizing multiple properties of a cement composition for use at downhole conditions using ultrasonic analysis tools are provided. In some embodiments, the methods comprise: transmitting at least a first p-wave and a second p-wave having different frequencies through a cement composition; determining velocities of the first and second p-waves through the sample; transmitting at least a third p-wave having a third frequency through the cement composition while allowing the cement composition to at least partially hydrate, wherein the third frequency is higher than the second frequency; determining at least a velocity of the third p-wave through the cement composition; based at least in part on the velocities of the p-waves, determining at least the compressibility, Poisson's ratio, Young's modulus, and shear modulus of the cement composition.Type: GrantFiled: September 18, 2017Date of Patent: December 20, 2022Assignee: Halliburton Energy Services, Inc.Inventors: Siva Rama Krishna Jandhyala, Walmy Cuello Jiminez, Ganesh Shriniwas Pangu, Abhimanyu Pramod Deshpande, Ketan Chimanlal Bhaidasna
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Patent number: 11499392Abstract: A method to design a wellbore cement sheath in compacting or subsiding formations is provided. The method may include performing a field scale analysis on a formation surrounding a wellbore. The field scale analysis may output boundary conditions including a pore pressure of the formation and a three-dimensional movement of the formation. The method may also include performing a wellbore scale analysis based on the boundary conditions, a wellbore scale model, wellbore conditions, and cement material properties. The wellbore scale analysis may output an indication of stress applied over time to a cement sheath within the wellbore. Further, the method may include determining cement material properties of the cement sheath to withstand the stress applied over time output by the wellbore scale analysis, and the method may include installing the cement sheath within the wellbore. The cement sheath may include the cement material properties.Type: GrantFiled: August 1, 2018Date of Patent: November 15, 2022Assignee: Halliburton Energy Services, Inc.Inventor: Siva Rama Krishna Jandhyala
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Patent number: 11447425Abstract: A method may include: defining engineering parameter of a proposed cement slurry, the engineering parameters comprising at least a compressive strength requirement, a density requirement, a storage time requirement, and a thickening time requirement; selecting, based at least in part on a model of compressive strength, a model of storage time, and the density requirement, at least a cement and mass fraction thereof, at least one supplementary cementitious material and mass fraction thereof, and a water and mass fraction thereof, such that a cement slurry formed from the cement, the at least one supplementary cementitious material, and the water meets the compressive strength requirement and the density requirement; selecting, based at least in part on a model of thickening time, an accelerator and mass fraction thereof; selecting, based at least in part on a model of activator thickening time, an activator and mass fraction thereof; and preparing a cement slurry comprising the cement and mass fraction thereofType: GrantFiled: July 8, 2020Date of Patent: September 20, 2022Assignee: Halliburton Energy Services, Inc.Inventors: John Paul Bir Singh, Siva Rama Krishna Jandhyala, Thomas Jason Pisklak, Claudia Carmen Pineda
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Patent number: 11390567Abstract: A method of designing a cement slurry comprising: (a) selecting at least a cement and concentration thereof, a water and concentration thereof, and one or more chemical additives concentration thereof such that a cement slurry formed from the cement, one or more chemical additives, and the water meet a density requirement; (b) calculating a thickening time of the cement slurry at the wellbore temperature using a thickening time model; (c) comparing the thickening time of the cement slurry to a thickening time requirement and performing steps (a)-(c) if the thickening time of the cement slurry does not meet or exceed the thickening time requirement, wherein the step of selecting comprises selecting different concentrations and/or different chemical identities for the cement and/or one or the more chemical additives than previously selected, or performing step (d) if the thickening time of the cement slurry meets or exceeds the thickening time requirement; and (d) preparing the cement slurry.Type: GrantFiled: July 8, 2020Date of Patent: July 19, 2022Assignee: Halliburton Energy Services, Inc.Inventors: Siva Rama Krishna Jandhyala, John Paul Bir Singh
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Patent number: 11386247Abstract: A method may include: providing a model of cement induction time; designing a cement composition, based at least partially, on the model of cement induction time; and preparing the cement composition.Type: GrantFiled: April 5, 2019Date of Patent: July 12, 2022Assignee: Halliburton Energy Services, Inc.Inventors: John Paul Bir Singh, Thomas Jason Pisklak, Ronnie Glen Morgan, Siva Rama Krishna Jandhyala, Krishna Babu Yerubandi
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Patent number: 11286726Abstract: Methods and systems are directed to the uniform distribution of a fluid through an annulus between a pipe and a wellbore wall, primarily when there is a preferential flow in one side of the annulus relative to another side of the annulus. Generally, the methods and systems involve introducing a first agent into the annulus, wherein the first agent is configured to cause swelling of a cladding on the exterior of the section of the pipe. The swelling reduces flow in the annulus on the side of the pipe with preferential flow so as to reduce the preferential flow on that side of the pipe.Type: GrantFiled: January 7, 2019Date of Patent: March 29, 2022Assignee: Halliburton Energy Services, Inc.Inventors: Siva Rama Krishna Jandhyala, Sunita Kadam, Rahul Chandrakant Patil, Wiliam W. Shumway
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Publication number: 20220009847Abstract: A method may include: defining engineering parameter of a proposed cement slurry, the engineering parameters comprising at least a compressive strength requirement, a density requirement, a storage time requirement, and a thickening time requirement; selecting, based at least in part on a model of compressive strength, a model of storage time, and the density requirement, at least a cement and mass fraction thereof, at least one supplementary cementitious material and mass fraction thereof, and a water and mass fraction thereof, such that a cement slurry formed from the cement, the at least one supplementary cementitious material, and the water meets the compressive strength requirement and the density requirement; selecting, based at least in part on a model of thickening time, an accelerator and mass fraction thereof; selecting, based at least in part on a model of activator thickening time, an activator and mass fraction thereof; and preparing a cement slurry comprising the cement and mass fraction thereofType: ApplicationFiled: July 8, 2020Publication date: January 13, 2022Applicant: Halliburton Energy Services, Inc.Inventors: John Paul Bir Singh, Siva Rama Krishna Jandhyala, Thomas Jason Pisklak, Claudia Carmen Pineda
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Publication number: 20220009845Abstract: A method of designing a cement slurry may include: (a) selecting at least a cement and concentration thereof, water and concentration thereof, and, optionally, at least one supplementary cementitious material and a concentration thereof, such that a cement slurry comprising the cement, the water, and, if present, the at least one supplementary cementitious material, meet a density requirement; (b) calculating a thickening time of the cement slurry using a thickening time model; (c) comparing the thickening time of the cement slurry to a thickening time requirement, wherein steps (a)-(c) are repeated if the thickening time of the cement slurry does not meet or exceed the thickening time requirement, wherein the selecting comprises selecting different concentrations and/or different chemical identities for the cement and/or the supplementary cementitious material than previously selected, or step (d) is performed if the thickening time of the cement slurry meets or exceeds the thickening time requirement; and pType: ApplicationFiled: July 8, 2020Publication date: January 13, 2022Applicant: Halliburton Energy Services, Inc.Inventors: Siva Rama Krishna Jandhyala, John Paul Bir Singh, Thomas Jason Pisklak
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Publication number: 20220010190Abstract: A method of cementing may include: measuring a feeding rate of water and a feeding rate of cement blend into a cement blender; calculating a cement retarder feeding rate and/or an accelerator feeding rate using a thickening time model, wherein the thickening time model uses at least a thickening time requirement, the feeding rate of water, and the feeding rate of cement blend, to calculate the cement retarder feeding rate and/or the accelerator feeding rate; introducing a cement retarder at the cement retarder feeding rate and/or an accelerator at the accelerator feeding rate into the cement blender; mixing at least the water, cement blend, and at least one of the cement retarder and/or the accelerator in the cement blender to provide a cement slurry; and placing the cement slurry in a wellbore.Type: ApplicationFiled: July 8, 2020Publication date: January 13, 2022Applicant: Halliburton Energy Services, Inc.Inventors: John Paul Bir Singh, Siva Rama Krishna Jandhyala, Keith Edward Blaschke
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Publication number: 20220009835Abstract: A method may include comprising: defining engineering parameters of a proposed cement slurry, the engineering parameters comprising at least a compressive strength requirement, a density requirement, a storage time requirement, and a thickening time requirement; selecting, based at least in part on a model of compressive strength, a model of storage time, and the density requirement, at least a cement and mass fraction thereof, at least one supplementary cementitious material and mass fraction thereof, and a water and mass fraction thereof, such that a set cement formed from the cement, the at least one supplementary cementitious material, and the water meets or exceeds the compressive strength requirement and the density requirement; selecting, based at least in part on a model of thickening time, an accelerator and mass fraction thereof; and preparing a cement slurry comprising the cement and mass fraction thereof, the at least one supplementary cementitious material and mass fraction thereof, the water andType: ApplicationFiled: July 8, 2020Publication date: January 13, 2022Applicant: Halliburton Energy Services, Inc.Inventors: Siva Rama Krishna Jandhyala, John Paul Bir Singh, Thomas Jason Pisklak, Claudia Carmen Pineda
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Publication number: 20220009844Abstract: A method of designing a cement slurry may include: (a) selecting at least a cement and concentration thereof, a water and concentration thereof, and one or more chemical additives and a concentration thereof such that a cement slurry formed from the cement, water, and the one or more chemical additives meet a density requirement; (b) calculating a thickening time of the cement slurry using a thickening time model; (c) comparing the thickening time of the cement slurry to a thickening time requirement, wherein steps (a)-(c) are repeated if the thickening time of the cement slurry does not meet or exceed the thickening time requirement, wherein the step of selecting comprises selecting concentrations and/or different chemical identities for the one or more chemical additives, cement, or water, or step (d) is performed if the thickening time of the cement slurry meets or exceeds the thickening time requirement; and (d) preparing the cement slurry.Type: ApplicationFiled: July 8, 2020Publication date: January 13, 2022Applicant: Halliburton Energy Services, Inc.Inventors: Siva Rama Krishna Jandhyala, John Paul Bir Singh
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Publication number: 20220009846Abstract: A method of designing a cement slurry comprising: (a) selecting at least a cement and concentration thereof, a water and concentration thereof, and one or more chemical additives concentration thereof such that a cement slurry formed from the cement, one or more chemical additives, and the water meet a density requirement; (b) calculating a thickening time of the cement slurry at the wellbore temperature using a thickening time model; (c) comparing the thickening time of the cement slurry to a thickening time requirement and performing steps (a)-(c) if the thickening time of the cement slurry does not meet or exceed the thickening time requirement, wherein the step of selecting comprises selecting different concentrations and/or different chemical identities for the cement and/or one or the more chemical additives than previously selected, or performing step (d) if the thickening time of the cement slurry meets or exceeds the thickening time requirement; and (d) preparing the cement slurry.Type: ApplicationFiled: July 8, 2020Publication date: January 13, 2022Applicant: Halliburton Energy Services, Inc.Inventors: Siva Rama Krishna Jandhyala, John Paul Bir Singh
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Publication number: 20210363836Abstract: Methods and systems are directed to the uniform distribution of a fluid through an annulus between a pipe and a wellbore wall, primarily when there is a preferential flow in one side of the annulus relative to another side of the annulus. Generally, the methods and systems involve introducing a first agent into the annulus, wherein the first agent is configured to cause swelling of a cladding on the exterior of the section of the pipe. The swelling reduces flow in the annulus on the side of the pipe with preferential flow so as to reduce the preferential flow on that side of the pipe.Type: ApplicationFiled: January 7, 2019Publication date: November 25, 2021Inventors: Siva Rama Krishna JANDHYALA, Sunita KADAM, Rahul Chandrakant PATIL, Wiliam SHUMWAY
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Publication number: 20210334430Abstract: A system and method comprising utilizing numerical analysis to determine the dependability of plug formulations and locations in wells. The plugs are typically used for abandonment or kick-off purposes. The system and method rely on defining initial physical and material properties, generating a geometric model, and applying loads and boundary conditions to the model. The numerical analysis is preformed to determine stress or deformation for the components of the well, thus providing a basis for selecting a suitable well plug formulation and location.Type: ApplicationFiled: November 6, 2018Publication date: October 28, 2021Inventor: Siva Rama Krishna JANDHYALA