Integrated inversion of seismic and mCSEM data for the estimation of petro-physical parameters

Soocheol Jeong, Joongmoo Byun, Soon Jee Seol, Myeong Jong Yi, Gyesoon Park

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

Petro-physical parameters, such as porosity and fluid (water, oil, and/or gas) saturation, which provide useful information for reservoir characterization, can be estimated by a rock physics model (RPM) using seismic velocity and electrical resistivity from geophysical surveys. In this study, we have developed an effective integrated inversion of seismic and marine controlled-source electromagnetic (mCSEM) data for the accurate estimation of petro-physical parameters. First, to improve the resolution of the resistivity images from mCSEM inversion, we introduce a seismic-constrained mCSEM inversion using a cross-gradient constraint between seismic velocity obtained by seismic full-waveform inversion (FWI) and resistivity. Next, to reliably estimate the petro-physical parameters from the seismic and mCSEM inversion results, we suggest an integrated estimation approach which applies the grid-search method to the RPM. In numerical experiments with SEAM phase I model containing a salt-dome and several oil reservoirs, we can reliably estimate porosity and fluid saturation of upper reservoirs.

Original languageEnglish
Pages (from-to)912-916
Number of pages5
JournalSEG Technical Program Expanded Abstracts
Volume35
DOIs
StatePublished - 2016 Jan 1
EventSEG International Exposition and 86th Annual Meeting, SEG 2016 - Dallas, United States
Duration: 2011 Oct 162011 Oct 21

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inversions
electromagnetism
Physics
electrical resistivity
Porosity
Rocks
seismic velocity
Fluids
Domes
physics
oils
porosity
saturation
rocks
salt dome
fluid
Salts
oil
fluids
reservoir characterization

Cite this

Jeong, Soocheol ; Byun, Joongmoo ; Seol, Soon Jee ; Yi, Myeong Jong ; Park, Gyesoon. / Integrated inversion of seismic and mCSEM data for the estimation of petro-physical parameters. In: SEG Technical Program Expanded Abstracts. 2016 ; Vol. 35. pp. 912-916.
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abstract = "Petro-physical parameters, such as porosity and fluid (water, oil, and/or gas) saturation, which provide useful information for reservoir characterization, can be estimated by a rock physics model (RPM) using seismic velocity and electrical resistivity from geophysical surveys. In this study, we have developed an effective integrated inversion of seismic and marine controlled-source electromagnetic (mCSEM) data for the accurate estimation of petro-physical parameters. First, to improve the resolution of the resistivity images from mCSEM inversion, we introduce a seismic-constrained mCSEM inversion using a cross-gradient constraint between seismic velocity obtained by seismic full-waveform inversion (FWI) and resistivity. Next, to reliably estimate the petro-physical parameters from the seismic and mCSEM inversion results, we suggest an integrated estimation approach which applies the grid-search method to the RPM. In numerical experiments with SEAM phase I model containing a salt-dome and several oil reservoirs, we can reliably estimate porosity and fluid saturation of upper reservoirs.",
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Integrated inversion of seismic and mCSEM data for the estimation of petro-physical parameters. / Jeong, Soocheol; Byun, Joongmoo; Seol, Soon Jee; Yi, Myeong Jong; Park, Gyesoon.

In: SEG Technical Program Expanded Abstracts, Vol. 35, 01.01.2016, p. 912-916.

Research output: Contribution to journalConference article

TY - JOUR

T1 - Integrated inversion of seismic and mCSEM data for the estimation of petro-physical parameters

AU - Jeong, Soocheol

AU - Byun, Joongmoo

AU - Seol, Soon Jee

AU - Yi, Myeong Jong

AU - Park, Gyesoon

PY - 2016/1/1

Y1 - 2016/1/1

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AB - Petro-physical parameters, such as porosity and fluid (water, oil, and/or gas) saturation, which provide useful information for reservoir characterization, can be estimated by a rock physics model (RPM) using seismic velocity and electrical resistivity from geophysical surveys. In this study, we have developed an effective integrated inversion of seismic and marine controlled-source electromagnetic (mCSEM) data for the accurate estimation of petro-physical parameters. First, to improve the resolution of the resistivity images from mCSEM inversion, we introduce a seismic-constrained mCSEM inversion using a cross-gradient constraint between seismic velocity obtained by seismic full-waveform inversion (FWI) and resistivity. Next, to reliably estimate the petro-physical parameters from the seismic and mCSEM inversion results, we suggest an integrated estimation approach which applies the grid-search method to the RPM. In numerical experiments with SEAM phase I model containing a salt-dome and several oil reservoirs, we can reliably estimate porosity and fluid saturation of upper reservoirs.

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JO - SEG Technical Program Expanded Abstracts

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SN - 1052-3812

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