Patents by Inventor Jianfu Ma

Jianfu Ma 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: 10914153
    Abstract: An illustrative monitoring system for a hydraulic fracturing operation includes: a data acquisition module collecting microseismic signals from a subterranean formation undergoing a hydraulic fracturing operation; a processing module implementing a monitoring method; and a visualization module that displays an estimate or prediction of fracture extent. The monitoring method implemented by the processing module includes: deriving microseismic event locations and times from the microseismic signals; fitting at least one fracture plane to the microseismic event locations; projecting each microseismic event location onto at least one fracture plane; determining a time-dependent distribution of the projected microseismic event locations; calculating one or more envelope parameters from the time-dependent distribution; and generating an estimate or prediction of fracture extent using the or more envelope parameters.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: February 9, 2021
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jianfu Ma, Avi Lin, Baidurja Ray
  • Publication number: 20210018655
    Abstract: Disclosed are systems and methods for obtaining input data comprising properties associated with at least one parent well and a child well associated with the at least one parent well, dividing the input data into a training data subset, a validation data subset, and a test data subset, selecting at least one machine learning model using the training data subset, the validation data subset, and the test data subset based on k-fold cross validation, tuning hyper parameters for each of the at least one machine learning model, and generating a learning output using the at least one machine learning model and the hyper parameters for each of the at least one machine learning model, the learning output indicating a test root-mean-square error (RMSE) and a training RMSE.
    Type: Application
    Filed: July 18, 2019
    Publication date: January 21, 2021
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Jianlei Sun, Jianfu Ma, Dwight David Fulton, Ajish Sreeni Radhakrishnan Potty
  • Publication number: 20210010351
    Abstract: Disclosed are systems and methods for obtaining an input sequence of input data features associated with a well for at least one time stamp during a period of time including well production rates for the well and well operation constraints for the well, dividing the input data features into a training data subset, a validation data subset, and a test data subset, building a well production model for the well using machine learning based on the training data subset, the validation data subset, and the test data subset, and generating a forecast for the well for a future period of time using the well production model, the forecast comprising a future well production rate for the well including at least one of an oil rate, a gas rate, and a water rate.
    Type: Application
    Filed: July 11, 2019
    Publication date: January 14, 2021
    Applicant: HALLIBURTON ENERGY SERVICES, INC.
    Inventors: Jianlei SUN, Youli MAO, Dwight FULTON, Jianfu MA, Peng ZHANG
  • Publication number: 20200399989
    Abstract: The disclosure improves the analysis of the hydraulic fracturing (HF) break down process of a well system. The analysis can use as inputs collected HF data such as the HF fluid pressure, HF fluid flow rate, and HF fluid composition over one or more time intervals. In some aspects, the perforation parameters and stratigraphic well placement can also be used as inputs. The analysis can also use as inputs the HF model inputs that were used in collecting the HF data. The analysis can determine an effectiveness parameter of the received inputs. HF model inputs can be selected that would best fit a HF job plan goal for the current well system. In some aspects, the HF model inputs can be communicated to a well system controller of the current well system to further direct HF job plan operations.
    Type: Application
    Filed: June 21, 2019
    Publication date: December 24, 2020
    Inventors: Vladimir Nikolayevich Martysevich, Ronald Glen Dusterhoft, Jianfu Ma
  • Publication number: 20200401739
    Abstract: A method and system for modeling a fracture in a hydraulic fracturing simulator. The method may comprise simulating a well system with an information handling system, defining a closure criteria for a hydraulic fracturing operation, assembling at least one variable in a linear system, assembling at least one variable of a contact force in the linear system, solving for the contact force, and determining at least one opening or at least one closing of the fracture with the contact force. The system may comprise a processor and a memory coupled to the processor. The memory may store a program configured to simulate a well system with an information handling system, define a closure criteria for a hydraulic fracturing operation, assemble at least one variable in a linear system, and determine at least one opening or at least one closing of the fracture with the contact force.
    Type: Application
    Filed: January 16, 2018
    Publication date: December 24, 2020
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Jie Bai, Dinesh Ananda Shetty, Baidurja Ray, Jianfu Ma
  • Publication number: 20200362680
    Abstract: The disclosure is directed to a method and system that estimates the number of active fractures for a given hydraulic fracturing fluid pressure. The hydraulic fracturing pressure can be correlated to a corresponding hydraulic fracturing fluid absorption rate of downhole fractures. Using the pressure and rate correlation, an active fracture ratio can be determined and then utilized to estimate the number of active fractures at a given hydraulic fracturing fluid pressure. In other aspects, a target fluid pressure is represented by a curve or other shape corresponding to a fluid friction model so that the fluid pressure correlation to the fluid absorption rate can be utilized to compute the active fracture ratio. The disclosed system is operable to control a well site pump system to adjust the fluid pressure and fluid composition, to monitor the downhole fluid, to collect the fluid values, and to compute an estimated active fracture ratio.
    Type: Application
    Filed: May 17, 2019
    Publication date: November 19, 2020
    Inventors: Dinesh Ananda Shetty, Vladimir Nikolayevich Martysevich, Tirumani N. Swaminathan, Jianfu Ma
  • Patent number: 10527744
    Abstract: A method for improved data-driven estimation of a stimulated reservoir volume may generate an optimized surface that encloses a set of data points including microseismic event data corresponding to a treatment of a subterranean formation. A Delaunay triangulation may be performed on the set of data points to generate a set of polytopes. A Voronoi polygon may be generated about each data point and used to obtain a local density measure that is locally and adaptively determined for each data point. Based on the local density measure, polytopes in the set of polytopes may be discriminated for inclusion in the optimized surface.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: January 7, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Baidurja Ray, Avi Lin, Jianfu Ma
  • Patent number: 10408957
    Abstract: In accordance with some embodiments of the present disclosure, a method of modeling a downhole drilling tool is disclosed. The method may include obtaining microseismic data corresponding to a treatment of a subterranean region, the microseismic data including a microseismic event time for each of a plurality of microseismic events, and a microseismic event location for each of the plurality of microseismic events. The method may additionally include calculating a plurality of fracture planes based upon the microseismic event times, and calculating a closed boundary enclosing a first subset of the plurality of fracture planes. The method may further include identifying a microseismic supported stimulated reservoir volume (?SRN) for the treatment based on the closed boundary.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: September 10, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jianfu Ma, Avi Lin, Baidurja Ray
  • Patent number: 10310114
    Abstract: In some aspects, a closed boundary is computed based on locations and location-uncertainty domains of microseismic events associated with a stimulation treatment of a subterranean region. The closed boundary encloses the locations and respective location-uncertainty domains of multiple microseismic event data points. An error bound of a stimulated reservoir volume (SRV) for the stimulation treatment is identified based on the closed boundary.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: June 4, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Baidurja Ray, Avi Lin, Jianfu Ma
  • Patent number: 10302791
    Abstract: In some aspects, reservoir characterizations of subterranean regions can be enhanced by using realtime fracture matching techniques for capturing the time dependent evolution of fracture parameters based on the occurrence of the time microseismic events generated by stimulation treatments. These microseismic events may further be used to determine hydraulic fracture planes, identify areas of concentration of high density microseismic events, identify and analyze complex fracture networks, and use these and other techniques to enhance the reservoir characterization.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: May 28, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jianfu Ma, Avi Lin
  • Patent number: 10120089
    Abstract: In some aspects, a stimulated reservoir volume (SRV) parameter for a stimulation treatment applied to a subterranean region is identified. A parameter of a fracture-plane network generated by application of the stimulation treatment is identified. A correlation between the SRV parameter and the fracture-plane network parameter is identified. In some implementations, the SRV and the fracture-plane network are computed based on microseismic event data associated with the stimulation treatment.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: November 6, 2018
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jianfu Ma, Avi Lin, Baidurja Ray
  • Publication number: 20180275301
    Abstract: An illustrative hydraulic fracture mapping method includes: collecting microseismic signals during a multistage hydraulic fracturing operation; deriving microseismic event locations from the microseismic signals to create a microseismic event map for each stage of the operation; fitting a set of fracture planes to the microseismic event maps; determining a stimulated reservoir volume (“SRV”) region for each said stage; identifying where SRV regions overlap to form an overlap region; partitioning the overlap region to eliminate any overlap between the SRV regions; truncating the set of fracture planes for the SRV regions to discard any portion outside the revised SRV regions; and storing or displaying the truncated set of fracture planes for the first revised SRV region.
    Type: Application
    Filed: November 19, 2015
    Publication date: September 27, 2018
    Inventors: Jianfu Ma, Jie Bai, Ken Huang
  • Publication number: 20180245442
    Abstract: An illustrative monitoring system for a hydraulic fracturing operation includes: a data acquisition module collecting microseismic signals from a subterranean formation undergoing a hydraulic fracturing operation; a processing module implementing a monitoring method; and a visualization module that displays an estimate or prediction of fracture extent. The monitoring method implemented by the processing module includes: deriving microseismic event locations and times from the microseismic signals; fitting at least one fracture plane to the microseismic event locations; projecting each microseismic event location onto at least one fracture plane; determining a time-dependent distribution of the projected microseismic event locations; calculating one or more envelope parameters from the time-dependent distribution; and generating an estimate or prediction of fracture extent using the or more envelope parameters.
    Type: Application
    Filed: October 6, 2015
    Publication date: August 30, 2018
    Inventors: Jianfu Ma, Avi Lin, Baidurja Ray
  • Publication number: 20180119532
    Abstract: An example method may include receiving data corresponding to microseismic events within a subterranean formation generated by a stimulation operation and correlating at least two microseismic events based, at least in part, on the data corresponding to the at least two microseismic events. Characteristics of at least one fracture within the formation may be determined based, at least in part, on the correlation. A subsequent stimulation operation may be performed based, at least in part, on the determined characteristics.
    Type: Application
    Filed: July 8, 2015
    Publication date: May 3, 2018
    Inventors: Jianfu Ma, Avi Lin
  • Patent number: 9903189
    Abstract: In some aspects, data for a new microseismic event associated with a stimulation treatment of a subterranean region is received. A boundary that was previously computed to enclose locations of prior microseismic events associated with the stimulation treatment is identified. The boundary is modified based on the data for the new microseismic event.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: February 27, 2018
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jianfu Ma, Avi Lin, Harold Grayson Walters
  • Publication number: 20170299742
    Abstract: A method for improved data-driven estimation of a stimulated reservoir volume may generate an optimized surface that encloses a set of data points including microseismic event data corresponding to a treatment of a subterranean formation. A Delaunay triangulation may be performed on the set of data points to generate a set of polytopes. A Voronoi polygon may be generated about each data point and used to obtain a local density measure that is locally and adaptively determined for each data point. Based on the local density measure, polytopes in the set of polytopes may be discriminated for inclusion in the optimized surface.
    Type: Application
    Filed: October 13, 2014
    Publication date: October 19, 2017
    Inventors: Baidurja Ray, Avi Lin, Jianfu Ma
  • Publication number: 20170227663
    Abstract: In accordance with some embodiments of the present disclosure, a method of modeling a downhole drilling tool is disclosed. The method may include obtaining microseismic data corresponding to a treatment of a subterranean region, the microseismic data including a microseismic event time for each of a plurality of microseismic events, and a microseismic event location for each of the plurality of microseismic events. The method may additionally include calculating a plurality of fracture planes based upon the microseismic event times, and calculating a closed boundary enclosing a first subset of the plurality of fracture planes. The method may further include identifying a microseismic supported stimulated reservoir volume (?SRN) for the treatment based on the closed boundary.
    Type: Application
    Filed: September 12, 2014
    Publication date: August 10, 2017
    Inventors: Jianfu MA, Avi LIN, Baidurja RAY
  • Publication number: 20170139066
    Abstract: In some aspects, a closed boundary is computed based on locations and location-uncertainty domains of microseismic events associated with a stimulation treatment of a subterranean region. The closed boundary encloses the locations and respective location-uncertainty domains of multiple microseismic event data points. An error bound of a stimulated reservoir volume (SRV) for the stimulation treatment is identified based on the closed boundary.
    Type: Application
    Filed: May 19, 2014
    Publication date: May 18, 2017
    Inventors: Baidurja Ray, Avi Lin, Jianfu Ma
  • Publication number: 20170131419
    Abstract: In some aspects, a stimulated reservoir volume (SRV) parameter for a stimulation treatment applied to a subterranean region is identified. A parameter of a fracture-plane network generated by application of the stimulation treatment is identified. A correlation between the SRV parameter and the fracture-plane network parameter is identified. In some implementations, the SRV and the fracture-plane network are computed based on microseismic event data associated with the stimulation treatment.
    Type: Application
    Filed: April 30, 2014
    Publication date: May 11, 2017
    Inventors: Jianfu Ma, Avi Lin, Baidurja Ray
  • Publication number: 20170045636
    Abstract: In some aspects, reservoir characterizations of subterranean regions can be enhanced by using realtime fracture matching techniques for capturing the time dependent evolution of fracture parameters based on the occurrence of the time microseismic events generated by stimulation treatments. These microseismic events may further be used to determine hydraulic fracture planes, identify areas of concentration of high density microseismic events, identify and analyze complex fracture networks, and use these and other techniques to enhance the reservoir characterization.
    Type: Application
    Filed: May 23, 2014
    Publication date: February 16, 2017
    Inventors: Jianfu Ma, Avi Lin