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MX2008002215A - Exploracion sismica. - Google Patents

Exploracion sismica.

Info

Publication number
MX2008002215A
MX2008002215A MX2008002215A MX2008002215A MX2008002215A MX 2008002215 A MX2008002215 A MX 2008002215A MX 2008002215 A MX2008002215 A MX 2008002215A MX 2008002215 A MX2008002215 A MX 2008002215A MX 2008002215 A MX2008002215 A MX 2008002215A
Authority
MX
Mexico
Prior art keywords
sub
earth
response
interferometer
tot
Prior art date
Application number
MX2008002215A
Other languages
English (en)
Inventor
Paul Meldahl
Eiolf Vikhagen
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 MX2008002215A publication Critical patent/MX2008002215A/es

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/20—Arrangements of receiving elements, e.g. geophone pattern
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
    • G01V1/3808—Seismic data acquisition, e.g. survey design
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00

Landscapes

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

Abstract

Un metodo y aparato para llevar a cabo una exploracion sismica la cual comprende generar un evento sismico; aplicar el evento sismico a la superficie de la tierra; detectar una respuesta al evento utilizando un interferometro en el cual existe un movimiento relativo entre la superficie de la tierra y el interferometro, la respuesta detectada incluye ondas P y ondas S en la superficie de la tierra; y analizar la respuesta detectada y en la cual: el paso de deteccion comprende monitorear y registrar la respuesta al evento sismico en la forma de movimientos de particulas en la superficie de la tierra a partir de una posicion separada de la superficie de la tierra, el paso de deteccion se lleva a cabo sobre un periodo de respuesta, el periodo de respuesta es un periodo predeterminado de tiempo despues del evento sismico; y el paso de analisis comprende analizar los movimientos de particulas en la superficie de la tierra en la respuesta registrada al evento sismico durante el periodo de respuesta; dicho movimiento relativo tiene una velocidad total V0 la cual incluye un componente V transversal o de direccion y un componente V1 longitudinal; la operacion del interferometro incluye: dirigir un rayo del objeto de luz coherente a una posicion de medicion en la superficie de la tierra, con la cual existe movimiento relativo entre la superficie y la posicion de medicion; colocar un sistema de detectores en el interferometro en una linea que se extiende generalmente en la direccion transversal, los detectores estan colocados para detectar los rayos de luz con diferentes direcciones angulares, representar diferentes direcciones de sensibilidad; producir un rayo de referencia de luz coherente la cual es al menos parcialmente coherente con el rayo del objeto; combinar el rayo de referencia con el rayo del objeto reflejado desde la superficie para producir una interferencia cruzada en el patron de particula y el patron de interferencia cruzada con los detectores; determinar cual detector en el sistema tiene sensibilidad cero o minima a la velocidad total V101 de movimiento con el cual se identifica el detector con una linea de direccion de sensibilidad que es normal a V0 monitorear el cambio temporal en el cual los detectores tienen sensibilidad cero o minima con lo cual se determina el cambio en la direccion V0 con el tiempo ocasionado con los cambios en y1, y determinar los cambios temporales en V1.
MX2008002215A 2005-08-15 2006-08-11 Exploracion sismica. MX2008002215A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0516720A GB2429278B (en) 2005-08-15 2005-08-15 Seismic exploration
PCT/GB2006/003000 WO2007020396A1 (en) 2005-08-15 2006-08-11 Seismic exploration

Publications (1)

Publication Number Publication Date
MX2008002215A true MX2008002215A (es) 2008-04-22

Family

ID=35098328

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2008002215A MX2008002215A (es) 2005-08-15 2006-08-11 Exploracion sismica.

Country Status (10)

Country Link
US (1) US8498176B2 (es)
CN (1) CN101273284B (es)
AU (1) AU2006281308B2 (es)
BR (1) BRPI0615210A2 (es)
CA (1) CA2619484C (es)
GB (1) GB2429278B (es)
MX (1) MX2008002215A (es)
NO (1) NO20081361L (es)
RU (1) RU2396578C2 (es)
WO (1) WO2007020396A1 (es)

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Also Published As

Publication number Publication date
US20090128800A1 (en) 2009-05-21
AU2006281308A1 (en) 2007-02-22
RU2008110041A (ru) 2009-09-27
WO2007020396A1 (en) 2007-02-22
CN101273284B (zh) 2012-11-07
GB0516720D0 (en) 2005-09-21
CA2619484A1 (en) 2007-02-22
US8498176B2 (en) 2013-07-30
AU2006281308B2 (en) 2009-12-10
GB2429278A (en) 2007-02-21
CA2619484C (en) 2013-06-11
RU2396578C2 (ru) 2010-08-10
CN101273284A (zh) 2008-09-24
BRPI0615210A2 (pt) 2013-01-08
NO20081361L (no) 2008-04-16
GB2429278B (en) 2010-08-11

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