Method for measuring and calibrating measurements using...

Optics: measuring and testing – For optical fiber or waveguide inspection

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07126680

ABSTRACT:
Methods for calibrating and making measurements using fiber optic sensors are disclosed using backscattered wavelengths and independent sensors. The disclosure sets outs methods applicable with fiber optic sensors either in a deployed in a loop and in a linear configuration and useful for measurements including temperature.

REFERENCES:
patent: 4823166 (1989-04-01), Hartog et al.
patent: 5054935 (1991-10-01), Tanabe et al.
patent: 5102232 (1992-04-01), Tanabe et al.
patent: 5113277 (1992-05-01), Kunugiyama et al.
patent: 5272334 (1993-12-01), Sai
patent: 5380995 (1995-01-01), Udd et al.
patent: 5401956 (1995-03-01), Dunphy et al.
patent: 5592282 (1997-01-01), Hartog
patent: 5765948 (1998-06-01), Sai
patent: 5825804 (1998-10-01), Sai
patent: 5841131 (1998-11-01), Schroeder et al.
patent: 6218661 (2001-04-01), Schroeder et al.
patent: 6246048 (2001-06-01), Ramos et al.
patent: 6268911 (2001-07-01), Tubel et al.
patent: 6271766 (2001-08-01), Didden et al.
patent: 6304686 (2001-10-01), Yamate et al.
patent: 6305227 (2001-10-01), Wu et al.
patent: 6524001 (2003-02-01), Fredin et al.
patent: 6542228 (2003-04-01), Hartog
patent: 6807324 (2004-10-01), Pruett
patent: 0 457 941 (1991-11-01), None
patent: 2 210 451 (1989-06-01), None
patent: WO 00/39548 (2000-07-01), None
patent: WO 02/39068 (2002-05-01), None
Real-Time Monitoring and Control of Water Influx to a Horizontal Well Using Advanced Completion Equipped with Permanent Sensors, I.D. Bryant, et al., SPE 77522.
Hartog A.H., “Distributed fiber-optic sensors”. XP 002260434, Grattan K.T.V., Meggitt B.T., “Optical Fiber Sensor Technology”. Chapman & Hall, London.
Iida O. et al., “Expansion of measuring range for fiber-optic distributed temperature sensor and applications to commercial plants”, Instrumentation and Measurement Technology Conference, 1994, IMTC/94, Conference Proceedings, 10th Anniversary, Advanced Technologies in I&M., 1994 IEEE, Hamamatsu, Japan May 10-12, 1994, New York, NY, USA, IEEE, May 10, 1994, pp. 265-268, XP010122109.
T. Wakami, M. Nishimura, S. Tanaka, R. Hata and H. Nishima, “Development of an Optical Fiber Distributed Temperature Sensor for Long Distances”. Sumitomo Electric Technical Review No. 43, pp. 40-44, 1997.
Opotek Tunable Laser System, www.opotek.com.
Specification for fiber-optics distributed temperature sensing system Sumi-Thermo, Spec. No. :PLS00-019, Sumitomo Electronic Industries, LTD.
Y-J. Rao, “In-fiber Bragg grating sensors”. Meas, Sci. Technol. 8, pp. 355-375, 1997.
Spectral attenuation for 50/125 Multi Mode Graded-Index Fiber BF0443, SpecTran catalog. Doc. #0019-9711.
WA-7000 Multi-Line Wavemeter Operating Manual, Burleigh, Aug. 1999.
As discussed with Examiner Gregory Toatley, Jr., references in boldface are not submitted herewith, but are available in the file of patent U.S. Appl. No. 10/176,858.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method for measuring and calibrating measurements using... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for measuring and calibrating measurements using..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for measuring and calibrating measurements using... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3709849

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.