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Resolving subtle stratigraphic features using spectral ridges and phase residues

Oswaldo Davogustto, Marcilio Castro de Matos, Carlos Cabarcas, Toan Dao and Kurt J. Marfurt
Resolving subtle stratigraphic features using spectral ridges and phase residues (in Interpreting stratigraphy from geophysical data, Hongliu Zeng (prefacer), Bruce S. Hart (prefacer) and Lesli J. Wood (prefacer))
Interpretation (Tulsa) (August 2013) 1 (1): SA93-SA108

Abstract

Seismic interpretation is dependent on the quality and resolution of seismic data. Unfortunately, seismic amplitude data are often insufficient for detailed sequence stratigraphy interpretation. We reviewed a method to derive high-resolution seismic attributes based upon complex continuous wavelet transform pseudodeconvolution (PD) and phase-residue techniques. The PD method is based upon an assumption of a blocky earth model that allowed us to increase the frequency content of seismic data that, for our data, better matched the well log control. The phase-residue technique allowed us to extract information not only from thin layers but also from interference patterns such as unconformities from the seismic amplitude data. Using data from a West Texas carbonate environment, we found out how PD can be used not only to improve the seismic well ties but also to provide sharper sequence terminations. Using data from an Anadarko Basin clastic environment, we discovered how phase residues delineate incised valleys seen on the well logs that are difficult to see on vertical slices through the original seismic amplitude.


ISSN: 2324-8858
EISSN: 2324-8866
Serial Title: Interpretation (Tulsa)
Serial Volume: 1
Serial Issue: 1
Title: Resolving subtle stratigraphic features using spectral ridges and phase residues
Title: Interpreting stratigraphy from geophysical data
Author(s): Davogustto, OswaldoCastro de Matos, MarcilioCabarcas, CarlosDao, ToanMarfurt, Kurt J.
Author(s): Zeng, Hongliuprefacer
Author(s): Hart, Bruce S.prefacer
Author(s): Wood, Lesli J.prefacer
Affiliation: University of Oklahoma, ConocoPhillips School of Geology and Geophysics, Norman, OK, United States
Pages: SA93-SA108
Published: 201308
Text Language: English
Publisher: Society of Exploration Geophysicists, Tulsa, OK, United States
References: 23
Accession Number: 2013-088688
Categories: Applied geophysics
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. sects., block diag.
N32°30'00" - N32°55'00", W101°10'00" - W100°34'60"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute.
Update Code: 201352
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