Patents by Inventor Bai Zhou

Bai Zhou 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).

  • Temperature sensor using an optical fiber
    Patent number: 8811776
    Abstract: A method for measuring a physical parameter at a plurality of spaced locations in a subterranean formation using a temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20° C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the elongated sensing element has an average temperature error of less than 2° C.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: August 19, 2014
    Assignee: Weatherford Canada Partnership
    Inventors: Bai Zhou, Sebastien Miville, Andre R Vincelette
  • Temperature sensor using an optical fiber
    Patent number: 8611703
    Abstract: A temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20° C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the elongated sensing element has an average temperature error of less than 2° C.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: December 17, 2013
    Assignee: Lxdata Inc.
    Inventors: Bai Zhou, Sébastien Miville, André R Vincelette
  • TEMPERATURE SENSOR USING AN OPTICAL FIBER
    Publication number: 20130308680
    Abstract: A method for measuring a physical parameter at a plurality of spaced locations in a subterranean formation using a temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20° C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the elongated sensing element has an average temperature error of less than 2° C.
    Type: Application
    Filed: July 23, 2013
    Publication date: November 21, 2013
    Applicant: LxData Inc.
    Inventors: Bai Zhou, Sebastien Miville, Andre R. Vincelette
  • Temperature sensor using an optical fiber
    Patent number: 8335406
    Abstract: A temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20° C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the elongated sensing element has an average temperature error of less than 2° C.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: December 18, 2012
    Assignee: Lxdata Inc.
    Inventors: Bai Zhou, Sébastien Miville, André R. Vincelette
  • TEMPERATURE SENSOR USING AN OPTICAL FIBER
    Publication number: 20120170615
    Abstract: A temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20° C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the elongated sensing element has an average temperature error of less than 2° C.
    Type: Application
    Filed: March 14, 2012
    Publication date: July 5, 2012
    Applicant: LXDATA INC
    Inventors: Bai ZHOU, Sébastien MIVILLE, André R. VINCELETTE
  • TEMPERATURE SENSOR USING AN OPTICAL FIBER
    Publication number: 20120120985
    Abstract: A temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20° C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the elongated sensing element has an average temperature error of less than 2° C.
    Type: Application
    Filed: January 3, 2012
    Publication date: May 17, 2012
    Applicant: LXDATA INC
    Inventors: Bai ZHOU, Sébastien MIVILLE, André R. VINCELETTE
  • TEMPERATURE SENSOR USING AN OPTICAL FIBER
    Publication number: 20090123109
    Abstract: A temperature sensor that has an elongated sensing element having a length of at least 10 m, measured at a temperature of 20° C. The elongated sensing element includes an elongated jacket and an optical fiber mounted in the jacket and having an EFL of at least 0.35%, wherein the elongated sensing element has an average temperature error of less than 2° C.
    Type: Application
    Filed: October 24, 2008
    Publication date: May 14, 2009
    Applicant: LXDATA INC
    Inventors: Bai ZHOU, Sebastien MIVILLE, Andre R. VINCELETTE