GB2547520B - Non-linear interactions with backscattered light - Google Patents

Non-linear interactions with backscattered light Download PDF

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Publication number
GB2547520B
GB2547520B GB1621510.5A GB201621510A GB2547520B GB 2547520 B GB2547520 B GB 2547520B GB 201621510 A GB201621510 A GB 201621510A GB 2547520 B GB2547520 B GB 2547520B
Authority
GB
United Kingdom
Prior art keywords
backscattered light
linear interactions
interactions
linear
backscattered
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1621510.5A
Other versions
GB2547520A (en
GB201621510D0 (en
Inventor
H Hartog Arthur
Englich Florian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Technology BV
Original Assignee
Schlumberger Technology BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/380,382 external-priority patent/US10359302B2/en
Application filed by Schlumberger Technology BV filed Critical Schlumberger Technology BV
Publication of GB201621510D0 publication Critical patent/GB201621510D0/en
Publication of GB2547520A publication Critical patent/GB2547520A/en
Application granted granted Critical
Publication of GB2547520B publication Critical patent/GB2547520B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
    • E21B47/135—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency using light waves, e.g. infrared or ultraviolet waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
    • G01D5/35354—Sensor working in reflection
    • G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Optical Transform (AREA)
GB1621510.5A 2015-12-18 2016-12-16 Non-linear interactions with backscattered light Active GB2547520B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562269476P 2015-12-18 2015-12-18
US15/380,382 US10359302B2 (en) 2015-12-18 2016-12-15 Non-linear interactions with backscattered light

Publications (3)

Publication Number Publication Date
GB201621510D0 GB201621510D0 (en) 2017-02-01
GB2547520A GB2547520A (en) 2017-08-23
GB2547520B true GB2547520B (en) 2020-04-29

Family

ID=58284520

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1621510.5A Active GB2547520B (en) 2015-12-18 2016-12-16 Non-linear interactions with backscattered light

Country Status (1)

Country Link
GB (1) GB2547520B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111473952B (en) * 2020-04-08 2022-03-11 武汉光迅信息技术有限公司 Optical fiber sensing device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0178814A2 (en) * 1984-09-29 1986-04-23 Plessey Overseas Limited Optical sensing systems
WO2008012498A1 (en) * 2006-07-28 2008-01-31 Schlumberger Holdings Limited Raman amplification in distributed optical fiber sensing systems
EP1912050A1 (en) * 2006-10-13 2008-04-16 AT&T Corp. Method and apparatus for acoustic sensing using multiple optical pulses
US20110320147A1 (en) * 2010-06-25 2011-12-29 Schlumberger Technology Corporation Precision measurements in a fiber optic distributed sensor system
WO2012063066A2 (en) * 2010-11-11 2012-05-18 Fotech Solutions Limited Distributed optical fibre sensor
WO2012068558A1 (en) * 2010-11-18 2012-05-24 Redfen Integrated Optics, Inc. Pulse labeling for high-bandwidth fiber-optic distributed acoustic sensing with reduced cross-talk
CN102589593A (en) * 2012-03-07 2012-07-18 杭州安远科技有限公司 Phase sensitive type optical time domain reflection sensing system and method
CN203103754U (en) * 2013-03-19 2013-07-31 中铁西北科学研究院有限公司 Stimulated Raman amplifier for distributed optical fiber vibration sensing system
GB2515574A (en) * 2013-06-28 2014-12-31 Tgs Geophysical Company Ltd Distributed optical sensing

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0178814A2 (en) * 1984-09-29 1986-04-23 Plessey Overseas Limited Optical sensing systems
WO2008012498A1 (en) * 2006-07-28 2008-01-31 Schlumberger Holdings Limited Raman amplification in distributed optical fiber sensing systems
EP1912050A1 (en) * 2006-10-13 2008-04-16 AT&T Corp. Method and apparatus for acoustic sensing using multiple optical pulses
US20110320147A1 (en) * 2010-06-25 2011-12-29 Schlumberger Technology Corporation Precision measurements in a fiber optic distributed sensor system
WO2012063066A2 (en) * 2010-11-11 2012-05-18 Fotech Solutions Limited Distributed optical fibre sensor
WO2012068558A1 (en) * 2010-11-18 2012-05-24 Redfen Integrated Optics, Inc. Pulse labeling for high-bandwidth fiber-optic distributed acoustic sensing with reduced cross-talk
CN102589593A (en) * 2012-03-07 2012-07-18 杭州安远科技有限公司 Phase sensitive type optical time domain reflection sensing system and method
CN203103754U (en) * 2013-03-19 2013-07-31 中铁西北科学研究院有限公司 Stimulated Raman amplifier for distributed optical fiber vibration sensing system
GB2515574A (en) * 2013-06-28 2014-12-31 Tgs Geophysical Company Ltd Distributed optical sensing

Also Published As

Publication number Publication date
GB2547520A (en) 2017-08-23
GB201621510D0 (en) 2017-02-01

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