CO4290389A1 - Metodo para derivar la reflectividad desde el fondo del agua en inspecciones sismicas con sensor dual - Google Patents

Metodo para derivar la reflectividad desde el fondo del agua en inspecciones sismicas con sensor dual

Info

Publication number
CO4290389A1
CO4290389A1 CO94043069A CO94043069A CO4290389A1 CO 4290389 A1 CO4290389 A1 CO 4290389A1 CO 94043069 A CO94043069 A CO 94043069A CO 94043069 A CO94043069 A CO 94043069A CO 4290389 A1 CO4290389 A1 CO 4290389A1
Authority
CO
Colombia
Prior art keywords
signal
water
reflectivity
frequency band
pressure
Prior art date
Application number
CO94043069A
Other languages
English (en)
Inventor
Josef Paffenholz
Original Assignee
Western Atlas Int Inc
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 Western Atlas Int Inc filed Critical Western Atlas Int Inc
Publication of CO4290389A1 publication Critical patent/CO4290389A1/es

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H15/00—Measuring mechanical or acoustic impedance
    • 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

Landscapes

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

Abstract

REIVINDICACION NUMERO UN METODO MEJORADO PARA DETERMINAR LA REFLECTIVI- DAD R DEL FONOD DEL AGUA EN INSPECCIONES SISMICAS CON SENSOR DUAL, QUE CONSTA DE LOS SIGUIENTES PA- SOS: (a) SENTIR LA PRESION Y LA VELOCIDAD, POR MEDIO DEL USO DE UN HIDROFONO Y DE UN GEOFONO EN ESTRE- CHA CERCANIA EL UNO DEL OTRO; (b) APLICAR UNA VENTANA DE TIEMPO A LAS SENALES DE PRESION Y DE VELOCIDAD; (c) SUMAR LA SENAL DE PRESION EN LA VENTANA DE TIEMPO A LA SENAL DE VELOCIDAD EN LA VENTANA DE TIEMPO, PARA PROPORCIONAR UN RASTRO QUE CONTENGA SOLAMENTE ENERGIA EN SENTIDO HACIA ARRIBA; (d) TRANSFORMAR LA SENAL EN SENTIDO HACIA ARRIBA, DEL DOMINIO DEL TIEMPO AL DOMINIO DE LA FRECUENCIA (e) CALCULAR EL INVERSO DEL OPERADOR BACKUS (1+RZ)2, EN EL CUAL R ES LA REFLECTIVIDAD DEL FON- DO DEL AGUA Y Z ES EL TIEMPO DE DESPLAZAMIENTO EN DO SENTIDOS DE LA SENAL SISMICA EN LA CAPA DE AGUA EN UN REPRESENTACION DEL DOMINIO DE Z; (f) MULTIPLICAR LA SENAL EN SENTIDO HACIA ARRIBA POR EL INVERSO DEL OPERADOR BACKUS [(1+RX)2 EN EL CUAL R ES LA REFLECTIVIDAD DEL FONOD DEL AGUA]; (g) MEDIR LA POTENCIA CONTENIDA EN LA SENAL RESUL- TANTE, EN UNA BANDA DE FRECUENCIA DE ANCHO SELEC- CIONADO, POR MEDIO DE LA SUMA DE LA AMPLITUDES AL CUADRADO DE LA SENAL, DENTRO DE ESE ANCHO DE BANDA DE FRECUENCIA; (h) REPETIR [(d) y (e)], MEDIANTE EL USO DE DIS- TINTOS VALORES DE REFLECTIVIDAD DEL FONDO DEL AGUA (i) SELECCIONAR AQUEL VALOR DE REFLECTIVIDAD DEL FONDO DEL AGUA QUE EN LA BANDA DE FRECUENCIA DE ANCHO ESCOGIDO, PRODUZCA LA SENAL CON POTENCIA MAS BAJA". FIGURA 1
CO94043069A 1993-09-24 1994-09-22 Metodo para derivar la reflectividad desde el fondo del agua en inspecciones sismicas con sensor dual CO4290389A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/128,596 US5396472A (en) 1993-09-24 1993-09-24 Method for deriving water bottom reflectivity in dual sensor seismic surveys

Publications (1)

Publication Number Publication Date
CO4290389A1 true CO4290389A1 (es) 1996-04-17

Family

ID=22436081

Family Applications (1)

Application Number Title Priority Date Filing Date
CO94043069A CO4290389A1 (es) 1993-09-24 1994-09-22 Metodo para derivar la reflectividad desde el fondo del agua en inspecciones sismicas con sensor dual

Country Status (11)

Country Link
US (2) US5396472A (es)
EP (1) EP0680616B1 (es)
JP (1) JP2803907B2 (es)
AU (1) AU671042B2 (es)
CA (1) CA2149405C (es)
CO (1) CO4290389A1 (es)
DE (1) DE69418453T2 (es)
NO (1) NO308087B1 (es)
NZ (1) NZ271924A (es)
OA (1) OA10160A (es)
WO (1) WO1995008782A1 (es)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5396472A (en) * 1993-09-24 1995-03-07 Western Atlas International Method for deriving water bottom reflectivity in dual sensor seismic surveys
US5774416A (en) * 1995-04-07 1998-06-30 Pgs, Tensor, Inc. Method and device for attenuating water column reverberations using co-located hydrophones and geophones in ocean bottom seismic processing
US5621699A (en) * 1995-07-07 1997-04-15 Pgs Ocean Bottom Seismic, Inc. Apparatus and method of calibrating vertical particle velocity detector and pressure detector in a sea-floor cable with in-situ passive monitoring
US5745392A (en) * 1995-10-05 1998-04-28 Chevron U.S.A. Inc. Method for reducing data storage and transmission requirements for seismic data
FR2743896B1 (fr) * 1996-01-23 1998-04-10 Geophysique Cie Gle Procede de traitement de calibration d'une paire de capteurs hydrophone/geophone et procede de prospection sismique mettant en oeuvre ce traitement
FR2743897B1 (fr) * 1996-01-23 1998-04-10 Geophysique Cie Gle Procede de prospection sismique marine au moyen d'un couple de capteurs hydrophone et geophone
US5754492A (en) * 1996-02-12 1998-05-19 Pgs Tensor, Inc. Method of reverberation removal from seismic data and removal of dual sensor coupling errors
US5587965A (en) * 1996-04-26 1996-12-24 Western Atlas International, Inc. Surface multiple attenuation via eigenvalue decomposition
US5696734A (en) * 1996-04-30 1997-12-09 Atlantic Richfield Company Method and system for eliminating ghost reflections from ocean bottom cable seismic survey signals
US5621700A (en) * 1996-05-20 1997-04-15 Schlumberger Technology Corporation, Geco-Prakla Div. Method for attenuation of reverberations using a pressure-velocity bottom cable
US5793702A (en) * 1996-05-21 1998-08-11 Western Atlas International, Inc. Method for measuring the water bottom reflectivity
US6021092A (en) * 1997-06-09 2000-02-01 Western Atlas International, Inc. Method for deriving surface consistent reflectivity map from dual sensor seismic data
US6021090A (en) * 1997-10-22 2000-02-01 Western Atlas International, Inc. Horizontal and vertical receiver-consistent deconvolution for an ocean bottom cable
US5963507A (en) * 1998-05-13 1999-10-05 Western Atlas International, Inc. Method for improving the accuracy of ocean bottom reflectivity estimations using the inverse backus filter
GB9812006D0 (en) * 1998-06-05 1998-07-29 Concept Systems Limited Sensor apparatus
US5991238A (en) * 1998-06-09 1999-11-23 Western Atlas International, Inc. Weighted backus filter method of combining dual sensor traces
US6246637B1 (en) 1998-09-28 2001-06-12 Pgs Tensor, Inc. Method and system for combining three component seismic data
GB9906456D0 (en) * 1999-03-22 1999-05-12 Geco Prakla Uk Ltd Method and system for reducing effects of sea surface ghost contamination in seismic data
US6141623A (en) * 1999-05-06 2000-10-31 Baker Hughes Incorporated Method of deriving water bottom reflectivities in the presence of geologic interference
GB0015810D0 (en) * 2000-06-29 2000-08-23 Geco As A method of processing seismic data
DE60123111D1 (de) * 2000-12-07 2006-10-26 Westerngeco Seismic Holdings Verfahren und vorrichtung zum bearbeiten seismischer daten
US20020118602A1 (en) 2001-02-27 2002-08-29 Sen Mrinal K. Angle dependent surface multiple attenuation for two-component marine bottom sensor data
WO2002097472A2 (en) 2001-05-25 2002-12-05 Exxonmobil Upstream Research Company Multiple suppression for ocean bottom seismic data
JP2003019999A (ja) * 2001-07-09 2003-01-21 Mitsui Eng & Shipbuild Co Ltd 海底地層探査システム
US20030088372A1 (en) * 2001-11-02 2003-05-08 Caulfield David D Array calibration and quality assurance
GB2384068B (en) * 2002-01-11 2005-04-13 Westerngeco Ltd A method of and apparatus for processing seismic data
GB2384053B (en) * 2002-01-11 2005-09-14 Westerngeco Ltd A method of and apparatus for processing seismic data
GB2389183B (en) * 2002-05-28 2006-07-26 Westerngeco Ltd Processing seismic data
CN1672428B (zh) 2002-07-26 2010-11-03 奥林巴斯株式会社 图像处理系统
AU2003278901B2 (en) * 2002-09-23 2009-12-03 Ion Geophysical Corporation Seafloor seismic recording using MEMS
US7321526B2 (en) * 2003-05-30 2008-01-22 Westerngeco, L.L.C. Method and apparatus for water velocity decomposition
US7359283B2 (en) * 2004-03-03 2008-04-15 Pgs Americas, Inc. System for combining signals of pressure sensors and particle motion sensors in marine seismic streamers
GB2420881B (en) * 2004-12-01 2008-01-16 Westerngeco Ltd Processing seismic data
US7447115B2 (en) * 2006-12-05 2008-11-04 Westerngeco L.L.C. Processing seismic data using interferometry techniques
US7596055B2 (en) * 2006-12-05 2009-09-29 Westerngeco L.L.C. Attenuating unwanted signal using interferometry techniques
US8593907B2 (en) * 2007-03-08 2013-11-26 Westerngeco L.L.C. Technique and system to cancel noise from measurements obtained from a multi-component streamer
US20080270035A1 (en) * 2007-04-26 2008-10-30 Ahmet Kemal Ozdemir System and Technique to Remove Perturbation Noise from Seismic Sensor Data
US8902699B2 (en) * 2010-03-30 2014-12-02 Pgs Geophysical As Method for separating up and down propagating pressure and vertical velocity fields from pressure and three-axial motion sensors in towed streamers
CN102183435B (zh) * 2011-01-25 2013-02-06 中国船舶重工集团公司第七一五研究所 一种基于多路径反射理论的海底密度和声速测量方法
US20120213032A1 (en) * 2011-02-22 2012-08-23 Cggveritas Services Sa Method for pz summation of 3-dimensional wide azimuth receiver gathers and device
CN102508247B (zh) * 2011-10-20 2013-07-31 哈尔滨工程大学 基于射线声学的三维倾斜海底参数快速测量方法
AU2014201497A1 (en) * 2013-03-20 2014-10-09 Cgg Services Sa A system and method for modelling three dimensional shallow water multiples using predictive sea floor reconstruction
CN104181586B (zh) * 2014-08-04 2016-07-13 中国石油集团东方地球物理勘探有限责任公司 一种水陆检波器数据海底反射系数反演的方法
CN104483702B (zh) * 2014-12-30 2017-01-04 中国科学院地质与地球物理研究所 一种适用于非均匀运动水体的地震正演模拟方法
US10274624B2 (en) * 2015-09-24 2019-04-30 Magseis Ff Llc Determining node depth and water column transit velocity
US11249214B2 (en) * 2018-05-30 2022-02-15 Saudi Arabian Oil Company Noise suppression of seafloor geophone seismic data

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146871A (en) * 1975-02-28 1979-03-27 Mobil Oil Corporation Determination of reflectivity and water depth for firing marine sources as an inverse distortion operator
US4234938A (en) * 1977-10-25 1980-11-18 Mobil Oil Corporation Determination of reflectivity and water depth for marine seismic exploration
US4486865A (en) * 1980-09-02 1984-12-04 Mobil Oil Corporation Pressure and velocity detectors for seismic exploration
US4935903A (en) * 1989-05-30 1990-06-19 Halliburton Geophysical Services, Inc. Reinforcement of surface seismic wavefields
EG19158A (en) * 1989-08-25 1996-02-29 Halliburton Geophys Service System for attenuation of water-column reverberation
US5163028A (en) * 1991-09-27 1992-11-10 Halliburton Geophysical Services, Inc. Method for correcting impulse response differences of hydrophones and geophones as well as geophone coupling to the water-bottom in dual-sensor, bottom-cable seismic operations
US5396472A (en) * 1993-09-24 1995-03-07 Western Atlas International Method for deriving water bottom reflectivity in dual sensor seismic surveys

Also Published As

Publication number Publication date
EP0680616A4 (en) 1996-08-28
OA10160A (en) 1996-12-18
NO952053D0 (no) 1995-05-24
EP0680616A1 (en) 1995-11-08
NO308087B1 (no) 2000-07-17
DE69418453D1 (de) 1999-06-17
AU7604394A (en) 1995-04-10
US5524100A (en) 1996-06-04
EP0680616B1 (en) 1999-05-12
JP2803907B2 (ja) 1998-09-24
DE69418453T2 (de) 1999-10-14
NZ271924A (en) 1997-04-24
WO1995008782A1 (en) 1995-03-30
JPH08503784A (ja) 1996-04-23
AU671042B2 (en) 1996-08-08
NO952053L (no) 1995-05-24
CA2149405C (en) 1998-08-11
CA2149405A1 (en) 1995-03-30
US5396472A (en) 1995-03-07

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