BRPI0514064A - método de estudar uma superfìcie utilizando um interferÈmetro, e, interferÈmetro - Google Patents

método de estudar uma superfìcie utilizando um interferÈmetro, e, interferÈmetro

Info

Publication number
BRPI0514064A
BRPI0514064A BRPI0514064-1A BRPI0514064A BRPI0514064A BR PI0514064 A BRPI0514064 A BR PI0514064A BR PI0514064 A BRPI0514064 A BR PI0514064A BR PI0514064 A BRPI0514064 A BR PI0514064A
Authority
BR
Brazil
Prior art keywords
interferometer
tot
sensitivity
detectors
detector
Prior art date
Application number
BRPI0514064-1A
Other languages
English (en)
Inventor
Paul Meldahl
Eiolf Vikhangen
Original Assignee
Statoil Asa
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
Application filed by Statoil Asa filed Critical Statoil Asa
Publication of BRPI0514064A publication Critical patent/BRPI0514064A/pt

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/20Arrangements of receiving elements, e.g. geophone pattern
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/38Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
    • G01V1/3808Seismic data acquisition, e.g. survey design

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Oceanography (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

MéTODO DE ESTUDAR UMA SUPERFìCIE UTILIZANDO UM INTERFERÈMETRO, E, INTERFERÈMETRO Método de estudar uma superfície utilizando um interferómetro, em que há movimento relativo entre a superfície e o interferómetro, o movimento tendo uma velocidade total V~ tot~ que inclui um componente transversal ou atravessante V~ t~e um componente longitudinal V~ 1~. O método compreende: direcionar um feixe de objeto de luz coerente para uma posição de medição na superfície, por meio do que há movimento relativo entre a superfície e a posição de medição; dispor um sistema de detectores no interferómetro, em uma linha estendendo-se genericamente na direção transversal, os detectores sendo dispostos para detectar raios de luz com diferentes direções angulares, representando diferentes direções de sensibilidade; produzir um feixe de referência de luz coerente, que seja coerente com o feixe de objeto; combinar o feixe de referência com o feixe de objeto refletido da superfície, para produzir uma interferência cruzada no padrão de salpicos, provendo informação acerca do movimento relativo da superfície e do interferómetro; detectar o padrão de salpicos e o padrão de interferência cruzada com os detectores; determinar que detector do sistema tem sensibilidade zero ou mínima para a velocidade total V~ tot~ do movimento, desse modo identificando o detector com uma linha de direção de sensibilidade, que é perpendicular a V~ tot~;monitorar a mudança temporal em que os detectores têm sensibilidade zero ou mínima, desse modo verificando a mudança de direção de V~ tot~ durante o tempo, realizada pelas mudanças de V~ 1~ e determinar as mudanças temporais de V~ 1~.
BRPI0514064-1A 2004-08-04 2005-08-03 método de estudar uma superfìcie utilizando um interferÈmetro, e, interferÈmetro BRPI0514064A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0417370A GB2416835C (en) 2004-08-04 2004-08-04 Method and apparatus for studying surfaces
PCT/GB2005/003038 WO2006013358A1 (en) 2004-08-04 2005-08-03 Method and apparatus for studying surface vibrations by moving speckle interferometer

Publications (1)

Publication Number Publication Date
BRPI0514064A true BRPI0514064A (pt) 2008-05-27

Family

ID=32982515

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0514064-1A BRPI0514064A (pt) 2004-08-04 2005-08-03 método de estudar uma superfìcie utilizando um interferÈmetro, e, interferÈmetro

Country Status (10)

Country Link
US (1) US7933003B2 (pt)
CN (1) CN101023377B (pt)
AU (1) AU2005268667B2 (pt)
BR (1) BRPI0514064A (pt)
CA (1) CA2575951C (pt)
GB (1) GB2416835C (pt)
MX (1) MX2007001552A (pt)
NO (1) NO20071173L (pt)
RU (1) RU2363019C2 (pt)
WO (1) WO2006013358A1 (pt)

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GB0803701D0 (en) 2008-02-28 2008-04-09 Statoilhydro Asa Improved interferometric methods and apparatus for seismic exploration
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Also Published As

Publication number Publication date
GB0417370D0 (en) 2004-09-08
GB2416835B (en) 2008-08-27
GB2416835C (en) 2013-11-06
US7933003B2 (en) 2011-04-26
AU2005268667A1 (en) 2006-02-09
CA2575951C (en) 2013-04-09
AU2005268667B2 (en) 2010-06-10
CN101023377A (zh) 2007-08-22
RU2007107922A (ru) 2008-09-10
GB2416835A (en) 2006-02-08
US20080316496A1 (en) 2008-12-25
CN101023377B (zh) 2010-10-06
MX2007001552A (es) 2007-04-18
WO2006013358A1 (en) 2006-02-09
RU2363019C2 (ru) 2009-07-27
NO20071173L (no) 2007-05-03
CA2575951A1 (en) 2006-02-09

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: STATOILHYDRO ASA (NO)

B25D Requested change of name of applicant approved

Owner name: STATOIL ASA (NO)

B25A Requested transfer of rights approved

Owner name: STATOIL PETROLEUM AS (NO)

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]