GB2547520B - Non-linear interactions with backscattered light - Google Patents
Non-linear interactions with backscattered light Download PDFInfo
- 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
Links
- 230000003993 interaction Effects 0.000 title 1
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)
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)
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)
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 |
-
2016
- 2016-12-16 GB GB1621510.5A patent/GB2547520B/en active Active
Patent Citations (9)
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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