Patents by Inventor Sakethraman Mahalingam

Sakethraman Mahalingam 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: 11293792
    Abstract: A device for measuring the rate of flow of a fluid comprising. The device includes a heating element, a housing, and a detector. The heating element is located in an interior of the housing, the housing defining a first thermal path from the heating element to a first region of an exterior of the housing and a second thermal path from the heating element to a second region of the exterior of the housing. The detector is configured to detect a property associated with transfer of heat from the heating element to the exterior of the housing. The first thermal path has a first thermal conductivity and the second thermal path has a second thermal conductivity. The first thermal conductivity is greater than the second thermal conductivity. The first region of the exterior of the housing is smaller than the second region of the exterior of the housing.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: April 5, 2022
    Assignee: Baker Hughes Energy Technology UK Limited
    Inventor: Sakethraman Mahalingam
  • Publication number: 20220074767
    Abstract: A flow measurement assembly that includes a production string and a flow meter fluidically coupled to the production string. The flow meter includes a variable Venturi tube attached to and configured to flow production fluid received from the production string. The variable Venturi tube includes an end fixed to the production string and at least one Venturi throat. The flow meter also includes an actuator configured to move the variable Venturi tube with respect to the fixed end. The flow meter includes a processor communicatively coupled sensors coupled to the variable Venturi tube. The processor determines, based on a first fluid parameter and the second fluid parameter received from the sensors, at least one of a mass flow rate of the production fluid, a density of the production fluid, a viscosity of the production fluid, or a coefficient of discharge of the production fluid.
    Type: Application
    Filed: September 8, 2020
    Publication date: March 10, 2022
    Inventors: Sakethraman Mahalingam, Muhammad Arsalan
  • Publication number: 20220074304
    Abstract: A method of determining a fluid parameter includes receiving, by a processor and from a plurality of sensors coupled to a flexible tube, fluid information. The flexible tube includes a throat arranged in a first position with respect to a fixed end. The fluid information includes a strain or pressure at a first portion of the flexible tube and a strain or pressure at a second portion of the flexible tube. The method also includes determining a first fluid parameter of the fluid and transmitting, from the processor to a controller operationally coupled to the throat, second position information including a second position of the throat different than the first position. The method also includes receiving, with the throat in the second position, second fluid information and determining, based on the second fluid information, a second fluid parameter of the fluid.
    Type: Application
    Filed: September 8, 2020
    Publication date: March 10, 2022
    Inventors: Sakethraman Mahalingam, Muhammad Arsalan, Jinjiang Xiao
  • Publication number: 20220065081
    Abstract: Systems and methods for producing fluids from a subterranean well include an electrical submersible pump assembly with a motor-pump unit. The motor-pump unit has a motor housing and a stator is located within the motor housing. The stator has a stator body with an interior cavity. A rotor assembly is located within the interior cavity of the stator. The rotor assembly includes a rotor shaft extending along the central axis of the stator, a rotor member, and an intermediate rotor bearing assembly. The rotor member and the intermediate rotor bearing assembly circumscribe the rotor shaft. An impeller is mounted on the rotor shaft and located within the interior cavity of the stator. A liner with a polygonal cross section is located along an interior surface of the interior cavity. The liner is secured to the motor housing and seals the stator body from a wellbore fluid.
    Type: Application
    Filed: August 25, 2020
    Publication date: March 3, 2022
    Inventors: Christopher Wrighton, Sakethraman Mahalingam, Krzysztof Karol Machocki
  • Publication number: 20220065068
    Abstract: An exemplary dissolvable assembly is provided. The dissolvable assembly includes a skeleton made from a first material, and a body made from a second material, wherein the first material and the second material dissolve at different rates.
    Type: Application
    Filed: August 25, 2020
    Publication date: March 3, 2022
    Inventors: Sakethraman Mahalingam, Graham Hitchcock, Daniele Colombo, Jianhui Xu
  • Publication number: 20210333136
    Abstract: An example system is configured for determining properties of a fluid in a conduit. The system includes a mass flow meter including a hollow conduit having an inlet, an outlet, and a wall. The conduit is for conducting the fluid. The system includes a driver coupled to the conduit. The driver is configured for inducing an oscillation in the conduit. The system includes two or more accelerometers coupled to the conduit. The two or more accelerometers are configured for measuring displacement of the conduit. The system includes an electrical permittivity sensor coupled to the conduit. The electrical permittivity sensor is configured for measuring electrical permittivity of the fluid.
    Type: Application
    Filed: April 22, 2020
    Publication date: October 28, 2021
    Inventors: Sakethraman Mahalingam, Muhammad Arsalan
  • Publication number: 20210293598
    Abstract: An example system is for determining properties of a fluid in a conduit. The system includes an exciter attached to the conduit for inducing one or more vibration patterns in the conduit. The system includes an isolator connected to the conduit at a first end of the isolator and to a fixed support on a second end of the isolator for preventing vibrations from being transmitted along the length of conduit beyond a predetermined measurement length. The systems includes a sensor attached to the conduit for measuring a change in one or more mechanical states of a conduit. The system includes one or more non-transitory machine-readable storage media storing instructions for determining one or more properties of the fluid. The system includes one or more processing devices to execute the instructions to perform operations including receiving data from the sensor and determining a property of the fluid.
    Type: Application
    Filed: March 17, 2020
    Publication date: September 23, 2021
    Inventors: Sakethraman Mahalingam, Muhammad Arsalan
  • Publication number: 20200248512
    Abstract: Methods and systems for sealing a lost circulation zone associated with a subterranean include determining geophysical data of the lost circulation zone. An available range of lost circulation shape data and an available range of lost circulation material data is provided. The geophysical data, the available range of lost circulation shape data, and the available range of lost circulation material data are part of a fixed data set. An initial lost circulation mix is determined from the fixed data set. An initial drill string downhole flow rate and an initial annulus uphole flow rate are determined and an initial loss volume is calculated. The initial lost circulation mix is delivered into the subterranean well. A revised drill string downhole flow rate and a revised annulus uphole flow rate are determined and a revised loss volume is calculated.
    Type: Application
    Filed: April 16, 2020
    Publication date: August 6, 2020
    Applicant: Saudi Arabian Oil Company
    Inventors: Graham HITCHCOCK, Sakethraman MAHALINGAM
  • Publication number: 20190301905
    Abstract: A device for measuring the rate of flow of a fluid comprising. The device includes a heating element, a housing, and a detector. The heating element is located in an interior of the housing, the housing defining a first thermal path from the heating element to a first region of an exterior of the housing and a second thermal path from the heating element to a second region of the exterior of the housing. The detector is configured to detect a property associated with transfer of heat from the heating element to the exterior of the housing. The first thermal path has a first thermal conductivity and the second thermal path has a second thermal conductivity. The first thermal conductivity is greater than the second thermal conductivity. The first region of the exterior of the housing is smaller than the second region of the exterior of the housing.
    Type: Application
    Filed: June 7, 2017
    Publication date: October 3, 2019
    Inventor: Sakethraman MAHALINGAM
  • Patent number: 9249657
    Abstract: A system for monitoring a subsea well is presented. The system includes the subsea well, where the subsea well includes a production tube, an annulus A co-axial to the production tube and positioned exterior to the production tube, an annulus B co-axial to the annulus A and positioned exterior to the annulus A, and a casing wall disposed between the annulus A and annulus B. Furthermore, the system includes a first sensor disposed on or about the production tube, the annulus A, the casing wall, or combinations thereof and configured to measure a first parameter. The system also includes a controller coupled to the subsea well and configured to analyze the first parameter measured by the first sensor and detect an anomaly in one or more components of the subsea well. Methods and non-transitory computer readable medium configured to perform the method for monitoring a subsea well are also presented.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: February 2, 2016
    Assignee: General Electric Company
    Inventors: Pekka Tapani Sipilä{umlaut over ( )}, Nicholas Josep Ellson, David John Buttle, John Charles McCarthy, Sakethraman Mahalingam
  • Patent number: 8963562
    Abstract: Transducer configurations and methods for transducer positioning in electrical impedance tomography are provided. A plurality of transducers for one electrical impedance tomography arrangement are configured for positioning proximate a surface of an object and spaced apart along the object, wherein the transducers are one or more conductive rings and have at least one non-conductive portion. The arrangement further includes one or more excitation drivers coupled to the plurality of transducers and configured to generate excitation signals for the plurality of transducers. The arrangement also includes one or more response detectors coupled to the plurality of transducers and configured to measure a response of the object at the plurality of transducers to the excitation applied by the plurality of transducers based on the excitation signals.
    Type: Grant
    Filed: August 31, 2011
    Date of Patent: February 24, 2015
    Assignee: General Electric Company
    Inventors: Wrichik Basu, Manoj Kumar Koyithitta Meethal, Sakethraman Mahalingam, Rajesh Veera Venkata Lakshmi Langoju, Parama Ghoshal
  • Patent number: 8892379
    Abstract: A system and method for soft-field reconstruction are provided. One method includes obtaining applied input and measured output information for an excited object using a plurality of transducers and forming an admittance matrix based on the applied input and measured output information. The method also includes determining a plurality of moments using the admittance matrix and calculating a property distribution of the excited object using the plurality of moments.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: November 18, 2014
    Assignee: General Electric Company
    Inventors: Rajesh V. V. L. Langoju, Wrichik Basu, Manoj Kumar Koyithitta Meethal, Sakethraman Mahalingam
  • Patent number: 8765275
    Abstract: An energy storage device is provided that includes a separator having a first surface and a second surface. The first surface defines at least a portion of a cathodic chamber, and the second surface defines an anodic chamber. The cathodic chamber includes an alkali metal halide that forms an ion that is capable of conducting through the separator. The anodic chamber has a volume that is filled with a consumable fluid. The amount of the consumable fluid is greater than 90 percent by volume of the anodic chamber volume. Furthermore, the consumable fluid is reactive with an ionic species of the alkali metal halide. A method of sealing the energy storage device is also provided.
    Type: Grant
    Filed: October 7, 2008
    Date of Patent: July 1, 2014
    Assignee: General Electric Company
    Inventors: Sakethraman Mahalingam, Lembit Salasoo, Kenneth Walter Browall, Ajit Wasant Kane, Ashalatha Devarajan
  • Publication number: 20140116715
    Abstract: A system for monitoring a subsea well is presented. The system includes the subsea well, where the subsea well includes a production tube, an annulus A co-axial to the production tube and positioned exterior to the production tube, an annulus B co-axial to the annulus A and positioned exterior to the annulus A, and a casing wall disposed between the annulus A and annulus B. Furthermore, the system includes a first sensor disposed on or about the production tube, the annulus A, the casing wall, or combinations thereof and configured to measure a first parameter. The system also includes a controller coupled to the subsea well and configured to analyze the first parameter measured by the first sensor and detect an anomaly in one or more components of the subsea well. Methods and non-transitory computer readable medium configured to perform the method for monitoring a subsea well are also presented.
    Type: Application
    Filed: October 31, 2012
    Publication date: May 1, 2014
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Pekka Tapani Sipilä, Nicholas Josep Ellson, David John Buttle, John Charles McCarthy, Sakethraman Mahalingam
  • Patent number: 8508238
    Abstract: An electrode array, a system and a method for reconstructing the distribution of electrical properties within a multi-material object. One embodiment includes electrodes arranged along a three-dimensional helical path to provide one or more helical arrays and circuitry to measure signals for calculating a conductivity or admittivity distribution representative of the interior of the structure. Image data may be obtained which is representative of the multi-material region.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: August 13, 2013
    Assignee: General Electric Company
    Inventors: Sakethraman Mahalingam, Manoj Kumar Koyithitta Meethal, Prafull Sharma, Rajesh Veera Venkata Lakshmi Langoju, Wrichik Basu, Parama Ghoshal
  • Publication number: 20130096853
    Abstract: Systems and methods for monitoring electrical contacts are provided. One method includes calculating an impedance of an electrical contact based on an electrical signal applied to the electrical contact and a measured electrical signal after passing through the electrical contact. The method also includes determining a condition of the electrical contact using the calculated impedance.
    Type: Application
    Filed: October 14, 2011
    Publication date: April 18, 2013
    Applicant: General Electric Company
    Inventors: Sakethraman Mahalingam, Marcelo Valdes, Thangavelu Asokan, Andrzej Michal May
  • Publication number: 20130049770
    Abstract: Transducer configurations and methods for transducer positioning in electrical impedance tomography are provided. A plurality of transducers for one electrical impedance tomography arrangement are configured for positioning proximate a surface of an object and spaced apart along the object, wherein the transducers are one or more conductive rings and have at least one non-conductive portion. The arrangement further includes one or more excitation drivers coupled to the plurality of transducers and configured to generate excitation signals for the plurality of transducers. The arrangement also includes one or more response detectors coupled to the plurality of transducers and configured to measure a response of the object at the plurality of transducers to the excitation applied by the plurality of transducers based on the excitation signals.
    Type: Application
    Filed: August 31, 2011
    Publication date: February 28, 2013
    Applicant: General Electric Company
    Inventors: Wrichik Basu, Manoj Kumar Koyithitta Meethal, Sakethraman Mahalingam, Rajesh Veera Venkata Lakshmi Langoju, Parama Ghoshal
  • Publication number: 20130013239
    Abstract: A system and method for excitation generation in soft-field tomography are provided. One method includes applying a plurality of phase modulated (or phase and amplitude modulated) excitations to a plurality of transducers of a data acquisition system positioned proximate a surface of an object and measuring a response to the applied phase modulated (or phase and amplitude modulated) excitations at the plurality of transducers. The method also includes determining a property of the object based on the measured responses.
    Type: Application
    Filed: July 8, 2011
    Publication date: January 10, 2013
    Applicant: General Electric Company
    Inventors: Alexander Seth Ross, Sakethraman Mahalingam, Arvind Tiwari, Somakumar Ramachandra Panicker, Manoj Kumar Koyithitta Meethal
  • Publication number: 20130006558
    Abstract: A system and method for soft-field reconstruction are provided. One method includes obtaining applied input and measured output information for an excited object using a plurality of transducers and forming an admittance matrix based on the applied input and measured output information. The method also includes determining a plurality of moments using the admittance matrix and calculating a property distribution of the excited object using the plurality of moments.
    Type: Application
    Filed: June 30, 2011
    Publication date: January 3, 2013
    Applicant: General Electric Company
    Inventors: Rajesh V.V.L. Langoju, Wrichik Basu, Manoj Kumar Koyithitta Meethal, Sakethraman Mahalingam
  • Patent number: 8264246
    Abstract: A method for determining characteristics of a multi-material object is provided. The method includes producing a rotating electric field by providing an applied electrical signal set of individual electrical signal patterns to electrodes surrounding the multi-material object. The method also includes obtaining a measured electrical signal of electrical signals from the electrodes corresponding to each electrical signal pattern applied. An electrical network is determined based on the applied electrical signal set, the measured electrical signal set and an inverse of the applied electrical signal set. The method further includes determining the characteristics of the multi-material object by analyzing the electrical network.
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: September 11, 2012
    Assignee: General Electric Company
    Inventors: Sakethraman Mahalingam, Manoj Kumar Koyithitta Meethal, Arijit Banerjee, Wrichik Basu, Harish Kumar Pillai