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GEOREF RECORD

3D Alford rotation analysis for the Diamond M Field, Midland Basin, Texas

Oswaldo E. Davogustto Cataldo, Timothy J. Kwiatkowski, Kurt J. Marfurt, Steven L. Roche and James W. Thomas
3D Alford rotation analysis for the Diamond M Field, Midland Basin, Texas (in Multicomponent seismic interpretation, Bob A. Hardage (prefacer), Michael V. DeAngelo (prefacer), Diana Sava (prefacer), Donald Wagner (prefacer), Paul Murray (prefacer), Charlotte Sullivan (prefacer), James Simmons (prefacer), Dan Ebrom (prefacer), Dan Roche (prefacer) and Ran Zhou (prefacer))
Interpretation (Tulsa) (May 2014) 2 (2): SE63-SE75

Abstract

The 2C by 2C S-wave survey generated significant excitement in the mid-1980s, but then it fell out of favor when S-wave splitting initially attributed to fractures was also found to be associated with an anisotropic stress regime. In general, 2C by 2C data require more expensive acquisition and more processing effort to obtain images comparable to 1C "compressional wave" data acquired with vertical component sources and receivers. Because S-waves are insensitive to fluids, and hence the water table, the effective S-wave weathering zone is greater than that for compressional waves, making statics more difficult. S-wave splitting due to anisotropy complicates residual statics and velocity analysis as well as the final image. S-wave frequencies and S-wave moveout are closer to those of contaminating ground roll than compressional waves. Since Alford's introduction of S-wave rotation from survey coordinates to the principal axes in 1986, geoscientist and engineers retain their interest in fractures but are also keenly interested in the direction and magnitude of maximum horizontal stress. Simultaneous sweep and improved recording technology have reduced the acquisition cost to approximate that of 1C data. Alford's work was applied to 2C by 2C poststack data. We extended the Alford rotation to prestack data using a modern high-fold 2C by 2C survey acquired over a fractured carbonate reservoir in the Diamond M Field, Texas. Through careful processing, the resulting images were comparable and in many places superior to that of the contemporaneously acquired 1C data. More importantly, we found a good correlation between our derived fracture azimuth map and the fracture azimuth log data from wells present in the field.


ISSN: 2324-8858
EISSN: 2324-8866
Serial Title: Interpretation (Tulsa)
Serial Volume: 2
Serial Issue: 2
Title: 3D Alford rotation analysis for the Diamond M Field, Midland Basin, Texas
Title: Multicomponent seismic interpretation
Author(s): Davogustto Cataldo, Oswaldo E.Kwiatkowski, Timothy J.Marfurt, Kurt J.Roche, Steven L.Thomas, James W.
Author(s): Hardage, Bob A.prefacer
Author(s): DeAngelo, Michael V.prefacer
Author(s): Sava, Dianaprefacer
Author(s): Wagner, Donaldprefacer
Author(s): Murray, Paulprefacer
Author(s): Sullivan, Charlotteprefacer
Author(s): Simmons, Jamesprefacer
Author(s): Ebrom, Danprefacer
Author(s): Roche, Danprefacer
Author(s): Zhou, Ranprefacer
Affiliation: University of Oklahoma, School of Geology and Geophysics, Norman, OK, United States
Affiliation: Bureau of Economic Geology, Austin, TX, United States
Pages: SE63-SE75
Published: 201405
Text Language: English
Publisher: Society of Exploration Geophysicists, Tulsa, OK, United States
References: 12
Accession Number: 2015-006991
Categories: Economic geology, geology of energy sourcesApplied geophysics
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. sects., sketch maps
N32°30'00" - N32°55'00", W101°10'00" - W100°34'60"
Secondary Affiliation: PGS Americas, USA, United StatesPacific Northwest National Laboratory, USA, United StatesION, USA, United StatesStatoil, USA, United StatesCimarex, USA, United StatesHalliburton, USA, United StatesCimarex Energy, USA, United StatesDawson Geophysical Company, USA, United States
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States. Reference includes data supplied by Society of Exploration Geophysicists, Tulsa, OK, United States
Update Code: 201504
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