DE68912603D1 - Prüfverfahren unter verwendung eines optischen faserprüfsystems. - Google Patents
Prüfverfahren unter verwendung eines optischen faserprüfsystems.Info
- Publication number
- DE68912603D1 DE68912603D1 DE89910130T DE68912603T DE68912603D1 DE 68912603 D1 DE68912603 D1 DE 68912603D1 DE 89910130 T DE89910130 T DE 89910130T DE 68912603 T DE68912603 T DE 68912603T DE 68912603 D1 DE68912603 D1 DE 68912603D1
- Authority
- DE
- Germany
- Prior art keywords
- optical fiber
- test
- procedure
- test system
- test procedure
- 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.)
- Expired - Fee Related
Links
- 239000013307 optical fiber Substances 0.000 title 1
- 238000010998 test method Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
-
- 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
- G01D5/35303—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 a reference fibre, e.g. interferometric devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8819950A GB2222247A (en) | 1988-08-23 | 1988-08-23 | Distributed fibre optic sensor system |
PCT/GB1989/001017 WO1991002946A1 (en) | 1988-08-23 | 1989-08-25 | A sensing method employing a fibre optic sensor system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68912603D1 true DE68912603D1 (de) | 1994-03-03 |
DE68912603T2 DE68912603T2 (de) | 1994-05-05 |
Family
ID=10642534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89910130T Expired - Fee Related DE68912603T2 (de) | 1988-08-23 | 1989-08-25 | Prüfverfahren unter verwendung eines optischen faserprüfsystems. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0440668B1 (de) |
DE (1) | DE68912603T2 (de) |
GB (1) | GB2222247A (de) |
WO (1) | WO1991002946A1 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2248498B (en) * | 1990-10-04 | 1994-04-13 | Marconi Gec Ltd | Variable gain optical sensing system |
FR2710150B1 (fr) * | 1993-09-17 | 1995-11-17 | Cortaillod Cables Sa | Procédé de mesure de la diffusion Brillouin dans une fibre optique et dispositif de mise en Óoeuvre de ce procédé. |
GB2317008B (en) * | 1996-09-06 | 2000-02-02 | British Aerospace | A fibre optic interferometric strain gauge assembly |
GB0521713D0 (en) | 2005-10-25 | 2005-11-30 | Qinetiq Ltd | Traffic sensing and monitoring apparatus |
GB2442745B (en) | 2006-10-13 | 2011-04-06 | At & T Corp | Method and apparatus for acoustic sensing using multiple optical pulses |
GB2442746B (en) | 2006-10-13 | 2011-04-06 | At & T Corp | Method and apparatus for acoustic sensing using multiple optical pulses |
US8770283B2 (en) | 2007-11-02 | 2014-07-08 | Schlumberger Technology Corporation | Systems and methods for distributed interferometric acoustic monitoring |
US7946341B2 (en) | 2007-11-02 | 2011-05-24 | Schlumberger Technology Corporation | Systems and methods for distributed interferometric acoustic monitoring |
US8020616B2 (en) | 2008-08-15 | 2011-09-20 | Schlumberger Technology Corporation | Determining a status in a wellbore based on acoustic events detected by an optical fiber mechanism |
EP2361393B1 (de) | 2008-11-06 | 2020-12-23 | Services Petroliers Schlumberger | Erkennung verteilter schallwellen |
US9546548B2 (en) | 2008-11-06 | 2017-01-17 | Schlumberger Technology Corporation | Methods for locating a cement sheath in a cased wellbore |
GB2476449B (en) | 2009-09-18 | 2013-12-11 | Optasense Holdings Ltd | Wide area seismic detection |
DE102009047990A1 (de) | 2009-10-01 | 2011-04-07 | Lios Technology Gmbh | Vorrichtung und Verfahren zur ortsaufgelösten Temperaturmessung |
GB0921062D0 (en) * | 2009-12-02 | 2010-01-13 | Qinetiq Ltd | Phased based sensing |
US9476760B2 (en) | 2010-06-25 | 2016-10-25 | Schlumberger Technology Corporation | Precision measurements in a fiber optic distributed sensor system |
US8924158B2 (en) | 2010-08-09 | 2014-12-30 | Schlumberger Technology Corporation | Seismic acquisition system including a distributed sensor having an optical fiber |
EP2596387B1 (de) | 2010-09-01 | 2021-10-06 | Services Pétroliers Schlumberger | Verteiltes glasfaser-sensorsystem mit verbesserter linearität |
US9200508B2 (en) * | 2011-01-06 | 2015-12-01 | Baker Hughes Incorporated | Method and apparatus for monitoring vibration using fiber optic sensors |
GB2489749B (en) | 2011-04-08 | 2016-01-20 | Optasense Holdings Ltd | Fibre optic distributed sensing |
CA2860566C (en) | 2012-01-06 | 2020-07-14 | Pierre Vigneaux | Optical fiber well deployment for seismic surveying |
US9002150B2 (en) | 2012-05-08 | 2015-04-07 | General Dynamics Advanced Information Systems, Inc. | Optical sensing system and method |
US9377551B2 (en) | 2013-05-22 | 2016-06-28 | Schlumberger Technology Corporation | Method of borehole seismic surveying using an optical fiber |
GB2529116B (en) | 2013-06-13 | 2020-08-12 | Schlumberger Holdings | Fiber optic distributed vibration sensing with wavenumber sensitivity correction |
GB2515574A (en) * | 2013-06-28 | 2014-12-31 | Tgs Geophysical Company Ltd | Distributed optical sensing |
GB201408125D0 (en) * | 2014-05-08 | 2014-06-25 | Optasense Holdings Ltd | Fibre optic distributed sensing |
WO2016112147A1 (en) | 2015-01-07 | 2016-07-14 | Schlumberger Canada Limited | Gauge length optimization in distributed vibration sensing |
GB2538282B (en) | 2015-05-14 | 2018-04-11 | Schlumberger Holdings | Fibre-optic sensing |
US10393921B2 (en) | 2015-09-16 | 2019-08-27 | Schlumberger Technology Corporation | Method and system for calibrating a distributed vibration sensing system |
WO2017095370A1 (en) | 2015-11-30 | 2017-06-08 | Halliburton Energy Services, Inc. | Optical frequency comb source for fiber sensor interferometer arrays |
US10359302B2 (en) | 2015-12-18 | 2019-07-23 | Schlumberger Technology Corporation | Non-linear interactions with backscattered light |
US11111780B2 (en) | 2017-02-21 | 2021-09-07 | Halliburton Energy Services, Inc. | Distributed acoustic sensing system with phase modulator for mitigating faded channels |
WO2018156132A1 (en) | 2017-02-23 | 2018-08-30 | Halliburton Energy Services, Inc. | Distributed acoustic sensing system with a polarization control device for improving signal-to-noise ratio |
EP3730926B1 (de) | 2019-04-26 | 2023-03-01 | Helmholtz-Zentrum Potsdam - Deutsches GeoForschungsZentrum GFZ Stiftung des Öffentlichen Rechts des Landes Brandenburg | Verfahren und system zur messung oder überwachung der viskosität fliessender materialien |
CN111157102B (zh) * | 2020-01-02 | 2022-03-08 | 河海大学常州校区 | 一种分布式光纤传感系统中消除频率干扰的定位方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2166020B (en) * | 1984-09-29 | 1988-05-18 | Plessey Co Plc | Otdr-uses multiple frequencies to detect distortions in an optical fibre |
GB2189880B (en) * | 1986-04-30 | 1989-12-28 | Plessey Co Plc | Optical sensor system |
GB2190187B (en) * | 1986-05-09 | 1990-04-25 | Stc Plc | Optical fibre sensor |
GB2214636A (en) * | 1988-01-29 | 1989-09-06 | Plessey Co Plc | Optical sensing apparatus |
-
1988
- 1988-08-23 GB GB8819950A patent/GB2222247A/en not_active Withdrawn
-
1989
- 1989-08-25 DE DE89910130T patent/DE68912603T2/de not_active Expired - Fee Related
- 1989-08-25 EP EP89910130A patent/EP0440668B1/de not_active Expired - Lifetime
- 1989-08-25 WO PCT/GB1989/001017 patent/WO1991002946A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE68912603T2 (de) | 1994-05-05 |
WO1991002946A1 (en) | 1991-03-07 |
GB2222247A (en) | 1990-02-28 |
GB8819950D0 (en) | 1988-09-21 |
EP0440668A1 (de) | 1991-08-14 |
EP0440668B1 (de) | 1994-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |