BR112012010789A2 - fibra óptica de núcleo único ou de múltiplos núclos em rotação - Google Patents
fibra óptica de núcleo único ou de múltiplos núclos em rotaçãoInfo
- Publication number
- BR112012010789A2 BR112012010789A2 BR112012010789A BR112012010789A BR112012010789A2 BR 112012010789 A2 BR112012010789 A2 BR 112012010789A2 BR 112012010789 A BR112012010789 A BR 112012010789A BR 112012010789 A BR112012010789 A BR 112012010789A BR 112012010789 A2 BR112012010789 A2 BR 112012010789A2
- Authority
- BR
- Brazil
- Prior art keywords
- optical fiber
- core
- shape
- rotating single
- change
- Prior art date
Links
- 239000013307 optical fiber Substances 0.000 title abstract 4
- 230000003287 optical effect Effects 0.000 abstract 2
- 239000000835 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
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
- G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
-
- 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
- E21B47/007—Measuring stresses in a pipe string or casing
-
- 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
- E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02195—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating
- G02B6/022—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating using mechanical stress, e.g. tuning by compression or elongation, special geometrical shapes such as "dog-bone" or taper
Landscapes
- Physics & Mathematics (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Electric Cable Installation (AREA)
- Optical Transform (AREA)
Abstract
patente de invenção: fibra óptica de núcleo único ou de múltiplos núcleos em rotação. a presente invenção refere-se a um aparelho para a estimativa de uma forma, o aparelho incluindo: uma fibra óptia configurada de modo a se conformar à forma e tendo um primeiro núcleo desviado de uma linha de centro da fibra óptica, o primeiro núcleo tendo uma característica óptica configurada de modo a se modificar devido a uma mudança na forma da fibra óptica, em que uma mudança na característica óptica é usada para estimar a forma. um método para estimar uma forma é também apresentado.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/613,881 US8265431B2 (en) | 2009-11-06 | 2009-11-06 | Rotated single or multicore optical fiber |
PCT/US2010/055288 WO2011056862A2 (en) | 2009-11-06 | 2010-11-03 | Rotated single or multicore optical fiber |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112012010789A2 true BR112012010789A2 (pt) | 2016-03-29 |
Family
ID=43970718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112012010789A BR112012010789A2 (pt) | 2009-11-06 | 2010-11-03 | fibra óptica de núcleo único ou de múltiplos núclos em rotação |
Country Status (7)
Country | Link |
---|---|
US (2) | US8265431B2 (pt) |
AU (1) | AU2010315302A1 (pt) |
BR (1) | BR112012010789A2 (pt) |
CA (1) | CA2779003A1 (pt) |
GB (1) | GB2487163A (pt) |
NO (1) | NO20120427A1 (pt) |
WO (1) | WO2011056862A2 (pt) |
Families Citing this family (22)
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US8773650B2 (en) * | 2009-09-18 | 2014-07-08 | Intuitive Surgical Operations, Inc. | Optical position and/or shape sensing |
US8208767B2 (en) * | 2009-11-10 | 2012-06-26 | Baker Hughes Incorporated | Sensor array configuration for extending useful sensing length of a swept-wavelength interferometry based system |
WO2012037319A2 (en) * | 2010-09-17 | 2012-03-22 | Luna Innovations Incorporated | Compensating for non-ideal multi-core optical fiber structure |
US8614795B2 (en) * | 2011-07-21 | 2013-12-24 | Baker Hughes Incorporated | System and method of distributed fiber optic sensing including integrated reference path |
US20130094798A1 (en) * | 2011-10-12 | 2013-04-18 | Baker Hughes Incorporated | Monitoring Structural Shape or Deformations with Helical-Core Optical Fiber |
CN103957792B (zh) * | 2011-10-20 | 2017-05-03 | 皇家飞利浦有限公司 | 用于内脏器官的实时机械功能评估的形状感测装置 |
US20130188168A1 (en) * | 2012-01-20 | 2013-07-25 | Arthur H. Hartog | Fiber optic formation dimensional change monitoring |
US9857249B2 (en) * | 2013-03-15 | 2018-01-02 | Transocean Sedco Forex Ventures Limited | Tensioner load measurement system |
DE112013007353T5 (de) | 2013-08-20 | 2016-04-28 | Halliburton Energy Services, Inc. | Bohrlochbohroptimierungskragen mit Glasfasern |
FR3017155B1 (fr) * | 2014-02-05 | 2016-02-26 | Total Sa | Procede de suivi d'une intervention dans un puits d'exploitation de fluide menage dans le sous-sol, et dispositif d'intervention associe |
US9927286B2 (en) | 2014-12-15 | 2018-03-27 | Schlumberger Technology Corporation | Seismic sensing with optical fiber |
US10072497B2 (en) | 2014-12-15 | 2018-09-11 | Schlumberger Technology Corporation | Downhole acoustic wave sensing with optical fiber |
US9448312B1 (en) * | 2015-03-11 | 2016-09-20 | Baker Hughes Incorporated | Downhole fiber optic sensors with downhole optical interrogator |
WO2016202857A1 (de) | 2015-06-16 | 2016-12-22 | Karlsruher Institut für Technologie | Vorrichtung und verfahren zur bestimmung einer deformation einer dreidimensionalen flexiblen struktur |
US10145681B2 (en) | 2016-07-19 | 2018-12-04 | Corning Incorporated | Brillouin-based distributed bend fiber sensor and method for using same |
JP6360929B1 (ja) | 2017-02-15 | 2018-07-18 | 株式会社フジクラ | 光ファイバセンサ |
US10162107B2 (en) | 2017-02-16 | 2018-12-25 | Institut National D'optique | Multicore optical fiber for multipoint distributed sensing and probing |
US10337918B1 (en) * | 2018-02-20 | 2019-07-02 | Baker Hughes, A Ge Company, Llc | Spectrometer with fiber bragg grating |
WO2020017565A1 (ja) | 2018-07-17 | 2020-01-23 | 株式会社フジクラ | マルチコア光ファイバ、及び、マルチコア光ファイバの製造方法 |
WO2020117457A1 (en) * | 2018-12-04 | 2020-06-11 | Ofs Fitel, Llc | High resolution distributed sensor utilizing offset core optical fiber |
WO2021154794A1 (en) | 2020-01-28 | 2021-08-05 | Mason Bettenga | Systems and methods for aligning surgical devices |
CN111610628A (zh) * | 2020-06-04 | 2020-09-01 | 杭州菲柏斯科技有限公司 | 单光纤扫描器 |
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US20130094798A1 (en) * | 2011-10-12 | 2013-04-18 | Baker Hughes Incorporated | Monitoring Structural Shape or Deformations with Helical-Core Optical Fiber |
-
2009
- 2009-11-06 US US12/613,881 patent/US8265431B2/en active Active
-
2010
- 2010-11-03 WO PCT/US2010/055288 patent/WO2011056862A2/en active Application Filing
- 2010-11-03 BR BR112012010789A patent/BR112012010789A2/pt not_active Application Discontinuation
- 2010-11-03 CA CA2779003A patent/CA2779003A1/en not_active Abandoned
- 2010-11-03 AU AU2010315302A patent/AU2010315302A1/en not_active Abandoned
- 2010-11-03 GB GB1206727.8A patent/GB2487163A/en not_active Withdrawn
-
2012
- 2012-04-11 NO NO20120427A patent/NO20120427A1/no not_active Application Discontinuation
- 2012-08-20 US US13/589,653 patent/US8630515B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20120314988A1 (en) | 2012-12-13 |
AU2010315302A1 (en) | 2012-05-03 |
CA2779003A1 (en) | 2011-05-12 |
WO2011056862A2 (en) | 2011-05-12 |
WO2011056862A3 (en) | 2011-10-20 |
US20110110620A1 (en) | 2011-05-12 |
US8630515B2 (en) | 2014-01-14 |
GB2487163A (en) | 2012-07-11 |
US8265431B2 (en) | 2012-09-11 |
NO20120427A1 (no) | 2012-05-31 |
GB201206727D0 (en) | 2012-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
B11Y | Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette] |