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Title: Method for processing seismic data to identify anomalous absorption zones

Abstract

A method is disclosed for identifying zones anomalously absorptive of seismic energy. The method includes jointly time-frequency decomposing seismic traces, low frequency bandpass filtering the decomposed traces to determine a general trend of mean frequency and bandwidth of the seismic traces, and high frequency bandpass filtering the decomposed traces to determine local variations in the mean frequency and bandwidth of the seismic traces. Anomalous zones are determined where there is difference between the general trend and the local variations.

Inventors:
Issue Date:
Research Org.:
RDSP I, L.P., Houston, TX (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1175609
Patent Number(s):
6982927
Application Number:
10/670,110
Assignee:
RDSP I, L.P. (Houston, TX)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01V - GEOPHYSICS
DOE Contract Number:  
FC26-01BC15356
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
58 GEOSCIENCES

Citation Formats

Taner, M. Turhan. Method for processing seismic data to identify anomalous absorption zones. United States: N. p., 2006. Web.
Taner, M. Turhan. Method for processing seismic data to identify anomalous absorption zones. United States.
Taner, M. Turhan. Tue . "Method for processing seismic data to identify anomalous absorption zones". United States. https://www.osti.gov/servlets/purl/1175609.
@article{osti_1175609,
title = {Method for processing seismic data to identify anomalous absorption zones},
author = {Taner, M. Turhan},
abstractNote = {A method is disclosed for identifying zones anomalously absorptive of seismic energy. The method includes jointly time-frequency decomposing seismic traces, low frequency bandpass filtering the decomposed traces to determine a general trend of mean frequency and bandwidth of the seismic traces, and high frequency bandpass filtering the decomposed traces to determine local variations in the mean frequency and bandwidth of the seismic traces. Anomalous zones are determined where there is difference between the general trend and the local variations.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2006},
month = {1}
}

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Works referenced in this record:

Detection of gas in sandstone reservoirs using AVO analysis: A 3-D seismic case history using the Geostack technique
journal, September 1994


Decomposition of seismic signals via time‐frequency representations
conference, March 2012