Patents Assigned to LYTT LIMITED
  • Publication number: 20250237139
    Abstract: A method of identifying parameters associated with an event comprises identifying an event at a first location, correlating the event with one or more sensor outputs, identifying at least one sensor output of the one or more sensor outputs correlated with the event at the first location; and displaying the at least one sensor output along with an indication of the event. The one or more sensor outputs are obtained from a location other than the first location.
    Type: Application
    Filed: April 4, 2022
    Publication date: July 24, 2025
    Applicant: LYTT LIMITED
    Inventors: Cagri CERRAHOGLU, Alessandro DELFINO
  • Patent number: 12293742
    Abstract: A method of presenting sensor data can include receiving a request for data to be displayed on a display area of a display device, determining a data distribution per pixel within the display area for both the first axis and the second axis based on the pixel resolution, the first output range, and the second output range, fitting the data distribution per pixel for data associated with the first axis to provide first axis fitted data, fitting the data distribution per pixel for data associated with the second axis to provide second axis fitted data, and sending the first axis fitted data and the second axis fitted data. The request comprises a pixel resolution of the display area, a first output range of the data along a first axis, and a second output range of the data along a second axis.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: May 6, 2025
    Assignee: LYTT LIMITED
    Inventors: James Crofton Ramsay, Pradyumna Thiruvenkatanathan
  • Patent number: 12196074
    Abstract: A method of developing a predictive model for sand production from a wellbore includes receiving an indication of sand ingress at one or more production zones within a first wellbore using a sand monitoring system disposed within the first wellbore, detecting, using a pressure monitoring system, a pressure within the first wellbore while producing the one or more fluids and detecting the sand ingress, determining one or more geophysical properties of the one or more production zones of the first wellbore, and determining a model that correlates sand ingress at each of the one or more production zones with a plurality of variables. The sand ingress occurs while producing one or more fluids from the first wellbore.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: January 14, 2025
    Assignee: LYTT LIMITED
    Inventor: Pradyumna Thiruvenkatanathan
  • Patent number: 12188348
    Abstract: A monitoring system includes a flow line, an optical fiber coupled to the flow line, and a receiver coupled to an end of the optical fiber. The receiver is configured to detect at least one acoustic signal from the optical fiber. In addition, the monitoring system includes processor unit to detect a flow obstruction within the flow line based on the acoustic signal.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: January 7, 2025
    Assignee: LYTT LIMITED
    Inventor: Pradyumna Thiruvenkatanathan
  • Publication number: 20240353825
    Abstract: A method of workflow selection and event detection comprises: receiving, on a user interface, a plurality of selections from a user, wherein the plurality of selections identifies a plurality of time series data elements; correlating the plurality of selections with a plurality of workflows, wherein each workflow of the plurality of workflows defines a set of associated time series data elements; identifying a first workflow of the plurality of workflows associated with the plurality of selections; retrieving a first set of time series data elements associated with the first workflow; and identifying an event using the first set of time series data elements.
    Type: Application
    Filed: July 30, 2021
    Publication date: October 24, 2024
    Applicant: LYTT LIMITED
    Inventors: Pradyumna THIRUVENKATANATHAN, Tommy LANGNES
  • Publication number: 20240028019
    Abstract: A method of identifying anomalies comprises determining, using a first data set, a baseline for one or more time series data components or features, determining, using a second data set, that one or more of the time series data components or features in the second data set exceed the baseline, providing, on a user interface, an indication of the one or more time series data components or features that exceed the baseline, receiving, using the user interface, feedback on the indication, and updating the baseline based on the feedback.
    Type: Application
    Filed: September 4, 2020
    Publication date: January 25, 2024
    Applicant: LYTT LIMITED
    Inventor: Pradyumna THIRUVENKATANATHAN
  • Publication number: 20240026783
    Abstract: A method of reducing data storage volumes for event by identifying an anomaly in a first portion of a sensor data set using one or more features derived from the sensor data, wherein the sensor data set is obtained from a sensor, and wherein the sensor data set comprises a plurality of individual sensor readings through time, determining one or more signal characteristics of the first portion of the sensor data set; and storing, in a memory, the one or more signal characteristics of the first portion of the sensor data set, wherein a second portion of the sensor data does not contain the anomaly, and wherein the second portion of the sensor data is not stored in the memory.
    Type: Application
    Filed: October 14, 2020
    Publication date: January 25, 2024
    Applicant: LYTT LIMITED
    Inventor: Pradyumna THIRUVENKATANATHAN
  • Publication number: 20240029688
    Abstract: A method of presenting sensor data can include receiving a request for data to be displayed on a display area of a display device, determining a data distribution per pixel within the display area for both the first axis and the second axis based on the pixel resolution, the first output range, and the second output range, fitting the data distribution per pixel for data associated with the first axis to provide first axis fitted data, fitting the data distribution per pixel for data associated with the second axis to provide second axis fitted data, and sending the first axis fitted data and the second axis fitted data. The request comprises a pixel resolution of the display area, a first output range of the data along a first axis, and a second output range of the data along a second axis.
    Type: Application
    Filed: September 4, 2020
    Publication date: January 25, 2024
    Applicant: LYTT LIMITED
    Inventors: James Crofton RAMSAY, Pradyumna THIRUVENKATANATHAN
  • Publication number: 20230206119
    Abstract: A method of identifying events comprises obtaining a first set of measurements comprising a first signal of field data at a location; identifying one or more events at the location using the first set of measurements; obtaining a second set of measurements comprising a second signal at the location, wherein the first signal and the second signal represent at least one different physical measurements; training one or more event models using the second set of measurements and the identification of the one or more events as inputs; and using the one or more event models to identify at least one additional event at one or more locations.
    Type: Application
    Filed: June 18, 2020
    Publication date: June 29, 2023
    Applicant: LYTT LIMITED
    Inventors: Cagri CERRAHOGLU, Pradyumna THIRUVENKATANATHAN
  • Publication number: 20230169369
    Abstract: A method of identifying events within a wellbore comprises obtaining a first set of measurements of a first signal within a wellbore, identifying one or more events within the wellbore using the first set of measurements, obtaining a second set of measurements of a second signal within the wellbore, wherein the first signal and the second signal represent different physical measurements, training one or more event models using the second set of measurements and the identification of the one or more events as inputs, and using the one or more event models to identify at least one additional event within the wellbore.
    Type: Application
    Filed: January 25, 2023
    Publication date: June 1, 2023
    Applicant: Lytt Limited
    Inventors: Cagri CERRAHOGLU, Pradyumna THIRUVENKATANATHAN
  • Patent number: 11593683
    Abstract: A method of identifying events within a wellbore comprises obtaining a first set of measurements of a first signal within a wellbore, identifying one or more events within the wellbore using the first set of measurements, obtaining a second set of measurements of a second signal within the wellbore, wherein the first signal and the second signal represent different physical measurements, training one or more event models using the second set of measurements and the identification of the one or more events as inputs, and using the one or more event models to identify at least one additional event within the wellbore.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: February 28, 2023
    Assignee: LYTT LIMITED
    Inventors: Ça{hacek over (g)}ri Cerraho{hacek over (g)}lu, Pradyumna Thiruvenkatanathan
  • Publication number: 20230052691
    Abstract: A method for capturing user workflows can include tracking user queries for a plurality of users, correlating the user queries between two or more users of the plurality of users, determining that the user queries of the two or more users of the plurality of users are correlated, and classifying the user queries of the at least two users as a workflow neighbor. The workflow neighbor defines a set of time series data or features.
    Type: Application
    Filed: June 18, 2020
    Publication date: February 16, 2023
    Applicant: LYTT LIMITED
    Inventor: Pradyumna THIRUVENKATANATHAN
  • Publication number: 20230043381
    Abstract: A monitoring system includes a flow line, an optical fiber coupled to the flow line, and a receiver coupled to an end of the optical fiber. The receiver is configured to detect at least one acoustic signal from the optical fiber. In addition, the monitoring system includes processor unit to detect a flow obstruction within the flow line based on the acoustic signal.
    Type: Application
    Filed: January 24, 2020
    Publication date: February 9, 2023
    Applicant: LYTT LIMITED
    Inventor: Pradyumna THIRUVENKATANATHAN
  • Publication number: 20220414301
    Abstract: A method of identifying events includes obtaining an acoustic signal from a sensor, determining one or more frequency domain features from the acoustic signal, providing the one or more frequency domain features as inputs to a plurality of event detection models, and determining the presence of one or more events using the plurality of event detection models. The one or more frequency domain features are obtained across a frequency range of the acoustic signal, and at least two of the plurality of event detection models are different.
    Type: Application
    Filed: November 27, 2019
    Publication date: December 29, 2022
    Applicants: BP Exploration Operating Company Limited, Lytt Limited
    Inventor: Pradyumna THIRUVENKATANATHAN
  • Publication number: 20220389810
    Abstract: A method of monitoring fluid outflow along a wellbore includes obtaining an acoustic signal from a sensor within the wellbore. The acoustic signal includes acoustic samples across a portion of a depth of the wellbore. In addition, the method includes determining one or more frequency domain features from the acoustic signal. Further, the method includes identifying one or more fluid outflow locations along the portion of the depth of the wellbore using the one or more frequency domain features.
    Type: Application
    Filed: August 19, 2022
    Publication date: December 8, 2022
    Applicant: Lytt Limited
    Inventors: Cagri CERRAHOGLU, Pradyumna THIRUVENKATANATHAN
  • Patent number: 11473424
    Abstract: A method of determining fluid inflow rates within a wellbore comprises determining a plurality of temperature features from a distributed temperature sensing signal originating in a wellbore, determining one or more frequency domain features from an acoustic signal originating the wellbore, and using at least one temperature feature of the plurality of temperature features and at least one frequency domain feature of the one or more frequency domain features to determine a fluid inflow rate at one or more locations along the wellbore.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: October 18, 2022
    Assignee: LYTT LIMITED
    Inventors: Cagri Cerrahoglu, James Crofton Ramsay, Pradyumna Thiruvenkatanathan
  • Patent number: 11466563
    Abstract: A method of monitoring fluid outflow along a wellbore includes obtaining an acoustic signal from a sensor within the wellbore, determining one or more frequency domain features from the acoustic signal, and identifying one or more fluid outflow locations along the portion of the depth of the wellbore using the one or more frequency domain features. The acoustic signal includes acoustic samples across a portion of a depth of the wellbore.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: October 11, 2022
    Assignee: LYTT LIMITED
    Inventors: Ça{hacek over (g)}ri Cerraho{hacek over (g)}lu, Pradyumna Thiruvenkatanathan
  • Publication number: 20220251943
    Abstract: A method of abandoning a wellbore can include obtaining a first sample data set within a wellbore, wherein the first sample data set is a sample of an acoustic signal originating within the wellbore; determining a plurality of frequency domain features of the first sample data set; identifying a fluid flow location within the wellbore using the first plurality of frequency domain features; setting a barrier at or above the fluid flow location; obtaining a second sample data set above the barrier, wherein the second sample data set is a sample of an acoustic signal originating within the wellbore above the barrier; determining a second plurality of frequency domain features of the second sample data set; and identifying that a fluid flow rate or flow mechanism at the fluid flow location has been reduced or eliminated and/or identifying another fluid flow location using the second plurality of frequency domain features.
    Type: Application
    Filed: June 25, 2019
    Publication date: August 11, 2022
    Applicants: BP Exploration Operating Company Limited, Lytt Limited
    Inventors: Pradyumna THIRUVENKATANATHAN, Tommy LANGNES
  • Publication number: 20210397994
    Abstract: A method of identifying events within a wellbore comprises obtaining a first set of measurements of a first signal within a wellbore, identifying one or more events within the wellbore using the first set of measurements, obtaining a second set of measurements of a second signal within the wellbore, wherein the first signal and the second signal represent different physical measurements, training one or more event models using the second set of measurements and the identification of the one or more events as inputs, and using the one or more event models to identify at least one additional event within the wellbore.
    Type: Application
    Filed: June 17, 2021
    Publication date: December 23, 2021
    Applicant: Lytt Limited
    Inventors: Çagri CERRAHOGLU, Pradyumna THIRUVENKATANATHAN
  • Patent number: 11162353
    Abstract: A method for determining an operating envelope for a wellbore can include receiving an indication of a hydrocarbon production rate of a hydrocarbon fluid into the wellbore from at least one production zone, receiving an indication of a fluid production rate of a fluid into the wellbore from the at least one production zone, receiving an indication of a pressure within the wellbore while producing the one or more fluids from the wellbore from the at least one production zone, correlating the indication of the pressure with the hydrocarbon production rate and the fluid production rate, and determining an operating envelope based on the correlating. The fluid production rate comprises at least one of: an aqueous fluid production rate or a gas production rate. The operating envelope defines a boundary for the indication of the pressure, the fluid production rate, and the hydrocarbon production rate.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: November 2, 2021
    Assignee: LYTT LIMITED
    Inventor: Pradyumna Thiruvenkatanathan