Patents by Inventor Robert W. Tennent

Robert W. Tennent 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: 10844709
    Abstract: A method for configuring transmission signals is disclosed. The method includes receiving a signal from a downhole tool in a wellbore. The signal may include a telemetry portion and a noise portion. The method also includes reproducing the telemetry portion based at least partially on the signal. Further, the method includes subtracting the telemetry portion from the signal. The method includes estimating, based at least partially on the subtraction, the noise portion of the signal. The method also includes altering a transmission configuration of the downhole tool based at least partially on the noise portion of the signal.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: November 24, 2020
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Julius Kusuma, Arnaud Jarrot, Adeel Mukhtar, Liang Sun, Robert W. Tennent, David Kirk Conn, Luis Eduardo DePavia
  • Publication number: 20190376384
    Abstract: A method for configuring transmission signals is disclosed. The method includes receiving a signal from a downhole tool in a wellbore. The signal may include a telemetry portion and a noise portion. The method also includes reproducing the telemetry portion based at least partially on the signal. Further, the method includes subtracting the telemetry portion from the signal. The method includes estimating, based at least partially on the subtraction, the noise portion of the signal. The method also includes altering a transmission configuration of the downhole tool based at least partially on the noise portion of the signal.
    Type: Application
    Filed: August 19, 2019
    Publication date: December 12, 2019
    Inventors: Julius Kusuma, Arnaud Jarrot, Adeel Mukhtar, Liang Sun, Robert W. Tennent, David Kirk Conn, Luis Eduardo DePavia
  • Patent number: 10422218
    Abstract: A method for configuring transmission signals is disclosed. The method includes receiving a signal from a downhole tool in a wellbore. The signal may include a telemetry portion and a noise portion. The method also includes reproducing the telemetry portion based at least partially on the signal. Further, the method includes subtracting the telemetry portion from the signal. The method includes estimating, based at least partially on the subtraction, the noise portion of the signal. The method also includes altering a transmission configuration of the downhole tool based at least partially on the noise portion of the signal.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: September 24, 2019
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Julius Kusuma, Arnaud Jarrot, Adeel Mukhtar, Liang Sun, Robert W. Tennent, David Kirk Conn, Luis Eduardo DePavia
  • Publication number: 20190048714
    Abstract: A method for configuring transmission signals is disclosed. The method includes receiving a signal from a downhole tool in a wellbore. The signal may include a telemetry portion and a noise portion. The method also includes reproducing the telemetry portion based at least partially on the signal. Further, the method includes subtracting the telemetry portion from the signal. The method includes estimating, based at least partially on the subtraction, the noise portion of the signal. The method also includes altering a transmission configuration of the downhole tool based at least partially on the noise portion of the signal.
    Type: Application
    Filed: October 18, 2018
    Publication date: February 14, 2019
    Inventors: Julius Kusuma, Arnaud Jarrot, Adeel Mukhtar, Liang Sun, Robert W. Tennent, David Kirk Conn, Luis Eduardo DePavia
  • Patent number: 10113418
    Abstract: A method for configuring transmission signals is disclosed. The method includes receiving a signal from a downhole tool in a wellbore. The signal may include a telemetry portion and a noise portion. The method also includes reproducing the telemetry portion based at least partially on the signal. Further, the method includes subtracting the telemetry portion from the signal. The method includes estimating, based at least partially on the subtraction, the noise portion of the signal. The method also includes altering a transmission configuration of the downhole tool based at least partially on the noise portion of the signal.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: October 30, 2018
    Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
    Inventors: Julius Kusuma, Arnaud Jarrot, Adeel Mukhtar, Liang Sun, Robert W. Tennent, David Kirk Conn, Luis Eduardo DePavia
  • Publication number: 20180003044
    Abstract: A method for configuring transmission signals is disclosed. The method includes receiving a signal from a downhole tool in a wellbore. The signal may include a telemetry portion and a noise portion. The method also includes reproducing the telemetry portion based at least partially on the signal. Further, the method includes subtracting the telemetry portion from the signal. The method includes estimating, based at least partially on the subtraction, the noise portion of the signal. The method also includes altering a transmission configuration of the downhole tool based at least partially on the noise portion of the signal.
    Type: Application
    Filed: June 15, 2017
    Publication date: January 4, 2018
    Inventors: Julius Kusuma, Arnaud Jarrot, Adeel Mukhtar, Liang Sun, Robert W. Tennent, David Kirk Conn, Luis Eduardo DePavia
  • Publication number: 20160032714
    Abstract: Methods and related apparatus pertaining to downhole and surface telemetry, such as a method in which a telemetry system is provided with a communication path formed with an electrically conductive transport medium coupled across a plurality of downhole nodes. Such method includes operating on the communication path with a multi-drop system that provides telemetry to the downhole nodes in a wellbore, including employing modulation in a master-slave arrangement using binary differential phase shift keying or differential quadrature phase shift keying.
    Type: Application
    Filed: July 30, 2015
    Publication date: February 4, 2016
    Inventors: Sira Rao, Bao Mi, Adolfo Recio, Ryan Parasram, Hugues Bouvier, Scott Cook, Tamim Sawaf, Robert W. Tennent
  • Patent number: 8302685
    Abstract: A technique for communicating data within a wellbore is provided. In one embodiment, a method includes receiving digital data and encoding the digital data into symbols each representative of one or more data bits of the digital data. In this embodiment, the method also includes modulating the phase of an acoustic wave within the wellbore to represent the plurality of symbols, wherein modulating the phase of an acoustic wave includes changing the phase of the acoustic wave such that the acoustic wave includes smooth phase transitions between successive phases representative of the plurality of symbols. Various additional methods, systems, and devices are also provided.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: November 6, 2012
    Assignee: Schlumberger Technology Corporation
    Inventors: Sandra Reyes, Remi Hutin, Robert W. Tennent, Christopher Paul Reed
  • Publication number: 20100195442
    Abstract: A technique for communicating data within a wellbore is provided. In one embodiment, a method includes receiving digital data and encoding the digital data into symbols each representative of one or more data bits of the digital data In this embodiment, the method also includes modulating the phase of an acoustic wave within the wellbore to represent the plurality of symbols, wherein modulating the phase of an acoustic wave includes changing the phase of the acoustic wave such that the acoustic wave includes smooth phase transitions between successive phases representative of the plurality of symbols. Various additional methods, systems, and devices are also provided.
    Type: Application
    Filed: January 30, 2009
    Publication date: August 5, 2010
    Inventors: SANDRA REYES, REMI HUTIN, ROBERT W. TENNENT, CHRISTOPHER PAUL REED
  • Patent number: 7348893
    Abstract: A technique that is usable with a well includes using at least one downhole sensor to establish telemetry within the well. The sensor(s) are used as a permanent sensing device.
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: March 25, 2008
    Assignee: Schlumberger Technology Corporation
    Inventors: Songming Huang, Franck Bruno Jean Monmont, Robert W. Tennent, Randolph J. Sheffield