PE30599A1 - Aparato para mejorar la sensibilidad en sensores intrinsecos de fibra optica y empaque de los mismos en ambientes hostiles - Google Patents
Aparato para mejorar la sensibilidad en sensores intrinsecos de fibra optica y empaque de los mismos en ambientes hostilesInfo
- Publication number
- PE30599A1 PE30599A1 PE1997001164A PE00116497A PE30599A1 PE 30599 A1 PE30599 A1 PE 30599A1 PE 1997001164 A PE1997001164 A PE 1997001164A PE 00116497 A PE00116497 A PE 00116497A PE 30599 A1 PE30599 A1 PE 30599A1
- Authority
- PE
- Peru
- Prior art keywords
- fiber optic
- capillary tube
- force
- environment
- packing
- Prior art date
Links
- 238000012856 packing Methods 0.000 title 1
- 230000035945 sensitivity Effects 0.000 title 1
- 239000012530 fluid Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
- G01L11/025—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means using a pressure-sensitive optical fibre
-
- 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
- G01D5/35306—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 an interferometer arrangement
- G01D5/35309—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 an interferometer arrangement using multiple waves interferometer
- G01D5/35316—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 an interferometer arrangement using multiple waves interferometer using a Bragg gratings
-
- 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
- G01D5/35383—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 multiple sensor devices using multiplexing techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0627—Protection against aggressive medium in general
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0627—Protection against aggressive medium in general
- G01L19/0645—Protection against aggressive medium in general using isolation membranes, specially adapted for protection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Measuring Fluid Pressure (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
UN SISTEMA SENSOR PARA DETECTAR UN CAMPO MEDIDO EN UN AMBIENTE COMPUESTO POR: UNA ESTRUCTURA DE TUBERIA CAPILAR QUE COMPRENDE POR LO MENOS UN ELEMENTO SENSOR OPTICO FORMADO EN LA FIBRA OPTICA, EL ELEMENTO SENSOR Y LA FIBRA OPTICA SE DESPLIEGAN DENTRO DE UN TUBO CAPILAR Y DICHO TUBO CAPILAR SE DESPLIEGA EN EL AMBIENTE; Y UN MATERIAL DE ALTA DENSIDAD Y BAJA COMPRENSIBILIDAD QUE LLENA COMPLETAMENTE TODOS LOS ESPACIOS VACIOS DENTRO DE LA ESTRUCTURA DE TUBERIA CAPILAR ENTRE UNA SUPERFICIE INTERNA DEL TUBO CAPILAR Y LA FIBRA OPTICA, POR LO MENOS EN UN AREA DEL TUBO CAPILAR QUE CONTIENE EL ELEMENTO SENSOR; DONDE DICHO MATERIAL RESPONDE A UNA FUERZA COMPRENSIVA EJERCIDA EN UNA SUPERFICIE EXTERNA DEL TUBO CAPILAR EN EL AMBIENTE PARA IMPARTIR UNA FUERZA DEL FLUIDO, Y DONDE DICHO ELEMENTO SENSOR RESPONDE A LA FUERZA DE FLUIDO Y UNA SENAL DE LUZ PARA EMITIR UNA SENAL LUMINOSA SENSORA QUE INDICA LA FUERZA COMPRESIVA
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/777,271 US5767411A (en) | 1996-12-31 | 1996-12-31 | Apparatus for enhancing strain in intrinsic fiber optic sensors and packaging same for harsh environments |
Publications (1)
Publication Number | Publication Date |
---|---|
PE30599A1 true PE30599A1 (es) | 1999-03-19 |
Family
ID=25109782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PE1997001164A PE30599A1 (es) | 1996-12-31 | 1997-12-24 | Aparato para mejorar la sensibilidad en sensores intrinsecos de fibra optica y empaque de los mismos en ambientes hostiles |
Country Status (10)
Country | Link |
---|---|
US (1) | US5767411A (es) |
EP (1) | EP0950170B1 (es) |
AR (1) | AR008552A1 (es) |
AU (1) | AU5722098A (es) |
CA (1) | CA2276449C (es) |
CO (1) | CO4771128A1 (es) |
DE (1) | DE69715455T2 (es) |
NO (1) | NO320490B1 (es) |
PE (1) | PE30599A1 (es) |
WO (1) | WO1998029717A1 (es) |
Families Citing this family (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6072567A (en) * | 1997-02-12 | 2000-06-06 | Cidra Corporation | Vertical seismic profiling system having vertical seismic profiling optical signal processing equipment and fiber Bragg grafting optical sensors |
US6074503A (en) | 1997-04-22 | 2000-06-13 | Cable Design Technologies, Inc. | Making enhanced data cable with cross-twist cabled core profile |
US6787758B2 (en) * | 2001-02-06 | 2004-09-07 | Baker Hughes Incorporated | Wellbores utilizing fiber optic-based sensors and operating devices |
US6016702A (en) * | 1997-09-08 | 2000-01-25 | Cidra Corporation | High sensitivity fiber optic pressure sensor for use in harsh environments |
US6058226A (en) * | 1997-10-24 | 2000-05-02 | D-Star Technologies Llc | Optical fiber sensors, tunable filters and modulators using long-period gratings |
US6522797B1 (en) | 1998-09-01 | 2003-02-18 | Input/Output, Inc. | Seismic optical acoustic recursive sensor system |
US6422084B1 (en) | 1998-12-04 | 2002-07-23 | Weatherford/Lamb, Inc. | Bragg grating pressure sensor |
BR9915956B1 (pt) | 1998-12-04 | 2011-10-18 | sensor de pressão, e, método para sensoriar pressão. | |
US6528239B1 (en) * | 1999-01-15 | 2003-03-04 | Sabeus Photonics, Inc. | Method of forming a grating in a waveguide |
US6222973B1 (en) | 1999-01-15 | 2001-04-24 | D-Star Technologies, Inc. | Fabrication of refractive index patterns in optical fibers having protective optical coatings |
US6148925A (en) | 1999-02-12 | 2000-11-21 | Moore; Boyd B. | Method of making a conductive downhole wire line system |
US6233746B1 (en) | 1999-03-22 | 2001-05-22 | Halliburton Energy Services, Inc. | Multiplexed fiber optic transducer for use in a well and method |
FR2791768B1 (fr) * | 1999-04-01 | 2001-04-20 | Commissariat Energie Atomique | Extensometre a reseau de bragg et procede de fabrication de cet extensometre |
DE19938978A1 (de) * | 1999-08-19 | 2001-02-22 | Abb Research Ltd | Faseroptischer Drucksensor |
US6439055B1 (en) | 1999-11-15 | 2002-08-27 | Weatherford/Lamb, Inc. | Pressure sensor assembly structure to insulate a pressure sensing device from harsh environments |
AU782553B2 (en) * | 2000-01-05 | 2005-08-11 | Baker Hughes Incorporated | Method of providing hydraulic/fiber conduits adjacent bottom hole assemblies for multi-step completions |
US6626043B1 (en) * | 2000-01-31 | 2003-09-30 | Weatherford/Lamb, Inc. | Fluid diffusion resistant glass-encased fiber optic sensor |
KR100368122B1 (ko) * | 2000-05-04 | 2003-01-15 | 병 호 이 | 반사대역폭이 외부 인가 스트레인에 따라 변하는 처핑된 광섬유 격자 센서 및 이를 이용한 스트레인 측정 장치 |
US6601671B1 (en) | 2000-07-10 | 2003-08-05 | Weatherford/Lamb, Inc. | Method and apparatus for seismically surveying an earth formation in relation to a borehole |
GB0021976D0 (en) * | 2000-09-07 | 2000-10-25 | Optomed As | Multi-parameter fiber optic probes |
NO315762B1 (no) * | 2000-09-12 | 2003-10-20 | Optoplan As | Sand-detektor |
US20040042703A1 (en) * | 2002-08-28 | 2004-03-04 | Deaton Thomas M. | Method and apparatus for sensing an environmental parameter in a wellbore |
US6978832B2 (en) | 2002-09-09 | 2005-12-27 | Halliburton Energy Services, Inc. | Downhole sensing with fiber in the formation |
US6847034B2 (en) * | 2002-09-09 | 2005-01-25 | Halliburton Energy Services, Inc. | Downhole sensing with fiber in exterior annulus |
US20040065437A1 (en) * | 2002-10-06 | 2004-04-08 | Weatherford/Lamb Inc. | In-well seismic sensor casing coupling using natural forces in wells |
US7036601B2 (en) | 2002-10-06 | 2006-05-02 | Weatherford/Lamb, Inc. | Apparatus and method for transporting, deploying, and retrieving arrays having nodes interconnected by sections of cable |
GB2396211B (en) | 2002-10-06 | 2006-02-22 | Weatherford Lamb | Multiple component sensor mechanism |
US6888972B2 (en) * | 2002-10-06 | 2005-05-03 | Weatherford/Lamb, Inc. | Multiple component sensor mechanism |
US7219729B2 (en) * | 2002-11-05 | 2007-05-22 | Weatherford/Lamb, Inc. | Permanent downhole deployment of optical sensors |
US6915686B2 (en) | 2003-02-11 | 2005-07-12 | Optoplan A.S. | Downhole sub for instrumentation |
US7159653B2 (en) | 2003-02-27 | 2007-01-09 | Weatherford/Lamb, Inc. | Spacer sub |
US6957574B2 (en) * | 2003-05-19 | 2005-10-25 | Weatherford/Lamb, Inc. | Well integrity monitoring system |
US6840114B2 (en) * | 2003-05-19 | 2005-01-11 | Weatherford/Lamb, Inc. | Housing on the exterior of a well casing for optical fiber sensors |
US7490664B2 (en) | 2004-11-12 | 2009-02-17 | Halliburton Energy Services, Inc. | Drilling, perforating and formation analysis |
US7397976B2 (en) * | 2005-01-25 | 2008-07-08 | Vetco Gray Controls Limited | Fiber optic sensor and sensing system for hydrocarbon flow |
US8186428B2 (en) * | 2007-04-03 | 2012-05-29 | Baker Hughes Incorporated | Fiber support arrangement for a downhole tool and method |
US7912334B2 (en) * | 2007-09-19 | 2011-03-22 | General Electric Company | Harsh environment temperature sensing system and method |
US9138786B2 (en) | 2008-10-17 | 2015-09-22 | Foro Energy, Inc. | High power laser pipeline tool and methods of use |
US9080425B2 (en) | 2008-10-17 | 2015-07-14 | Foro Energy, Inc. | High power laser photo-conversion assemblies, apparatuses and methods of use |
US9244235B2 (en) | 2008-10-17 | 2016-01-26 | Foro Energy, Inc. | Systems and assemblies for transferring high power laser energy through a rotating junction |
AU2009340454A1 (en) | 2008-08-20 | 2010-08-26 | Foro Energy Inc. | Method and system for advancement of a borehole using a high power laser |
US9664012B2 (en) | 2008-08-20 | 2017-05-30 | Foro Energy, Inc. | High power laser decomissioning of multistring and damaged wells |
US9669492B2 (en) | 2008-08-20 | 2017-06-06 | Foro Energy, Inc. | High power laser offshore decommissioning tool, system and methods of use |
US8627901B1 (en) | 2009-10-01 | 2014-01-14 | Foro Energy, Inc. | Laser bottom hole assembly |
US9027668B2 (en) | 2008-08-20 | 2015-05-12 | Foro Energy, Inc. | Control system for high power laser drilling workover and completion unit |
US9347271B2 (en) | 2008-10-17 | 2016-05-24 | Foro Energy, Inc. | Optical fiber cable for transmission of high power laser energy over great distances |
US8571368B2 (en) | 2010-07-21 | 2013-10-29 | Foro Energy, Inc. | Optical fiber configurations for transmission of laser energy over great distances |
US9242309B2 (en) | 2012-03-01 | 2016-01-26 | Foro Energy Inc. | Total internal reflection laser tools and methods |
US9089928B2 (en) | 2008-08-20 | 2015-07-28 | Foro Energy, Inc. | Laser systems and methods for the removal of structures |
US9267330B2 (en) | 2008-08-20 | 2016-02-23 | Foro Energy, Inc. | Long distance high power optical laser fiber break detection and continuity monitoring systems and methods |
US9719302B2 (en) | 2008-08-20 | 2017-08-01 | Foro Energy, Inc. | High power laser perforating and laser fracturing tools and methods of use |
US8662160B2 (en) | 2008-08-20 | 2014-03-04 | Foro Energy Inc. | Systems and conveyance structures for high power long distance laser transmission |
US9360631B2 (en) | 2008-08-20 | 2016-06-07 | Foro Energy, Inc. | Optics assembly for high power laser tools |
MX2012000227A (es) | 2009-06-29 | 2012-01-25 | Halliburton Energy Serv Inc | Operaciones de sondeo con laser. |
WO2011012406A1 (de) * | 2009-07-30 | 2011-02-03 | Hottinger Baldwin Messtechnik Gmbh | Vorrichtung und verfahren zum ortsaufgelösten erfassen von bodenbewegungen |
US8720584B2 (en) | 2011-02-24 | 2014-05-13 | Foro Energy, Inc. | Laser assisted system for controlling deep water drilling emergency situations |
US8783361B2 (en) | 2011-02-24 | 2014-07-22 | Foro Energy, Inc. | Laser assisted blowout preventer and methods of use |
US8783360B2 (en) | 2011-02-24 | 2014-07-22 | Foro Energy, Inc. | Laser assisted riser disconnect and method of use |
US8684088B2 (en) | 2011-02-24 | 2014-04-01 | Foro Energy, Inc. | Shear laser module and method of retrofitting and use |
US8662165B2 (en) | 2010-07-06 | 2014-03-04 | Baker Hughes Incorporated | Fiber support arrangement and method |
US8542955B2 (en) * | 2010-10-28 | 2013-09-24 | General Electric Company | Gas detection system incorporating fiber gas sensors having fiber bragg gratings |
WO2012116155A1 (en) | 2011-02-24 | 2012-08-30 | Foro Energy, Inc. | Electric motor for laser-mechanical drilling |
WO2012116148A1 (en) | 2011-02-24 | 2012-08-30 | Foro Energy, Inc. | Method of high power laser-mechanical drilling |
WO2012167102A1 (en) | 2011-06-03 | 2012-12-06 | Foro Energy Inc. | Rugged passively cooled high power laser fiber optic connectors and methods of use |
EP2890859A4 (en) | 2012-09-01 | 2016-11-02 | Foro Energy Inc | REDUCED MECHANICAL ENERGY WELL CONTROL SYSTEMS AND METHODS OF USE |
US20140327919A1 (en) * | 2013-05-06 | 2014-11-06 | Halliburton Energy Services. Inc. | Remote Seal for Pressure Sensor |
CN103953330B (zh) * | 2014-04-02 | 2016-09-14 | 北京博简复才技术咨询有限公司 | 深井油气层温度与压力在线集成监测装置及方法 |
US9624763B2 (en) | 2014-09-29 | 2017-04-18 | Baker Hughes Incorporated | Downhole health monitoring system and method |
US9448312B1 (en) | 2015-03-11 | 2016-09-20 | Baker Hughes Incorporated | Downhole fiber optic sensors with downhole optical interrogator |
NL2015952B1 (en) * | 2015-12-11 | 2017-07-03 | Fugro Tech Bv | Pressure sensor and sensor system comprising one or more pressure sensors. |
CN105725982A (zh) * | 2016-01-25 | 2016-07-06 | 东华大学 | 一种基于光纤传感技术的鞋底温度、压力测试鞋垫 |
CN108917830A (zh) * | 2018-06-19 | 2018-11-30 | 杭州市质量技术监督检测院 | 一种具有自感应功能的智能墙体 |
US20200152354A1 (en) * | 2018-11-14 | 2020-05-14 | Minnesota Wire | Integrated circuits in cable |
CN114252649B (zh) * | 2021-12-30 | 2024-08-23 | 中北大学 | 一种光纤流体流速探测装置 |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4235113A (en) * | 1978-08-21 | 1980-11-25 | Carome Edward F | Optical fiber acoustical sensors |
EP0066493A1 (en) * | 1981-05-15 | 1982-12-08 | Schlumberger Limited | Pressure wave fiber optic transducer cable |
US5363463A (en) * | 1982-08-06 | 1994-11-08 | Kleinerman Marcos Y | Remote sensing of physical variables with fiber optic systems |
US4547869A (en) * | 1983-04-04 | 1985-10-15 | Western Geophysical Company Of America | Marine seismic sensor |
US5625605A (en) * | 1983-09-13 | 1997-04-29 | The United States Of America As Represented By The Secretary Of The Navy | Optic bundle towed array |
US5574699A (en) * | 1983-10-31 | 1996-11-12 | Cuomo; Frank W. | Fiber optic lever towed array |
US4761073A (en) * | 1984-08-13 | 1988-08-02 | United Technologies Corporation | Distributed, spatially resolving optical fiber strain gauge |
US4589285A (en) * | 1984-11-05 | 1986-05-20 | Western Geophysical Co. Of America | Wavelength-division-multiplexed receiver array for vertical seismic profiling |
DE3670907D1 (de) * | 1985-10-21 | 1990-06-07 | Plessey Overseas | Detektorsystem mit lichtleiteroptiksensoren. |
US4649529A (en) * | 1985-12-02 | 1987-03-10 | Exxon Production Research Co. | Multi-channel fiber optic sensor system |
US4722603A (en) * | 1986-06-27 | 1988-02-02 | Chevron Research Company | Interferometric means and method for accurate determination of fiber-optic well logging cable length |
US5163321A (en) * | 1989-10-17 | 1992-11-17 | Baroid Technology, Inc. | Borehole pressure and temperature measurement system |
US4996419A (en) * | 1989-12-26 | 1991-02-26 | United Technologies Corporation | Distributed multiplexed optical fiber Bragg grating sensor arrangeement |
US5227857A (en) * | 1991-04-24 | 1993-07-13 | The United States Of America As Represented By The Secretary Of The Navy | System for cancelling phase noise in an interferometric fiber optic sensor arrangement |
US5485745A (en) * | 1991-05-20 | 1996-01-23 | Halliburton Company | Modular downhole inspection system for coiled tubing |
US5275038A (en) * | 1991-05-20 | 1994-01-04 | Otis Engineering Corporation | Downhole reeled tubing inspection system with fiberoptic cable |
US5397891A (en) * | 1992-10-20 | 1995-03-14 | Mcdonnell Douglas Corporation | Sensor systems employing optical fiber gratings |
US5380995A (en) * | 1992-10-20 | 1995-01-10 | Mcdonnell Douglas Corporation | Fiber optic grating sensor systems for sensing environmental effects |
US5361130A (en) * | 1992-11-04 | 1994-11-01 | The United States Of America As Represented By The Secretary Of The Navy | Fiber grating-based sensing system with interferometric wavelength-shift detection |
ATE158844T1 (de) * | 1992-12-07 | 1997-10-15 | Akishima Lab Mitsui Zosen Inc | System für messungen während des bohrens mit druckpuls-ventil zur datenübertragung |
KR960007884B1 (ko) * | 1993-04-24 | 1996-06-15 | 국방과학연구소 | 광섬유 격자를 이용한 광섬유소자 |
IT1262407B (it) * | 1993-09-06 | 1996-06-19 | Finmeccanica Spa | Strumentazione utilizzante componenti in ottica integrata per la diagnostica di parti con sensori a fibra ottica inclusi o fissati sulla superficie. |
US5426297A (en) * | 1993-09-27 | 1995-06-20 | United Technologies Corporation | Multiplexed Bragg grating sensors |
US5401956A (en) * | 1993-09-29 | 1995-03-28 | United Technologies Corporation | Diagnostic system for fiber grating sensors |
US5400427A (en) * | 1993-10-18 | 1995-03-21 | Mobil Oil Corporation | Fiber optic cable and viscous filler material |
DE4337402A1 (de) * | 1993-10-26 | 1995-04-27 | Mannesmann Ag | Sonde zur Messung von Druck- und Temperaturprofilen |
US5410404A (en) * | 1993-11-30 | 1995-04-25 | The United States Of America As Represented By The Secretary Of The Navy | Fiber grating-based detection system for wavelength encoded fiber sensors |
US5451772A (en) * | 1994-01-13 | 1995-09-19 | Mechanical Technology Incorporated | Distributed fiber optic sensor |
US5493113A (en) * | 1994-11-29 | 1996-02-20 | United Technologies Corporation | Highly sensitive optical fiber cavity coating removal detection |
US5675674A (en) * | 1995-08-24 | 1997-10-07 | Rockbit International | Optical fiber modulation and demodulation system |
-
1996
- 1996-12-31 US US08/777,271 patent/US5767411A/en not_active Expired - Lifetime
-
1997
- 1997-12-19 CA CA002276449A patent/CA2276449C/en not_active Expired - Fee Related
- 1997-12-19 EP EP97953481A patent/EP0950170B1/en not_active Expired - Lifetime
- 1997-12-19 WO PCT/US1997/023980 patent/WO1998029717A1/en active IP Right Grant
- 1997-12-19 DE DE69715455T patent/DE69715455T2/de not_active Expired - Lifetime
- 1997-12-19 AU AU57220/98A patent/AU5722098A/en not_active Abandoned
- 1997-12-23 CO CO97074671A patent/CO4771128A1/es unknown
- 1997-12-24 PE PE1997001164A patent/PE30599A1/es not_active Application Discontinuation
- 1997-12-30 AR ARP970106278A patent/AR008552A1/es unknown
-
1999
- 1999-06-29 NO NO993222A patent/NO320490B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0950170B1 (en) | 2002-09-11 |
CO4771128A1 (es) | 1999-04-30 |
NO993222D0 (no) | 1999-06-29 |
NO320490B1 (no) | 2005-12-12 |
WO1998029717A1 (en) | 1998-07-09 |
EP0950170A1 (en) | 1999-10-20 |
CA2276449C (en) | 2007-07-03 |
DE69715455D1 (de) | 2002-10-17 |
CA2276449A1 (en) | 1998-07-09 |
US5767411A (en) | 1998-06-16 |
NO993222L (no) | 1999-06-29 |
AR008552A1 (es) | 2000-01-19 |
AU5722098A (en) | 1998-07-31 |
DE69715455T2 (de) | 2003-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant, registration | ||
FD | Application declared void or lapsed |