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Estimation of interval velocity and attenuation anisotropy from reflection data at Coronation Field
Jyoti Behura, Ilya Tsvankin, Edward Jenner and Alex Calvert
Estimation of interval velocity and attenuation anisotropy from reflection data at Coronation Field (in Seismic inversion for reservoir properties, Reinaldo J. Michelena (prefacer), William N. Goodway (prefacer) and Tad M. Smith (prefacer))
Leading Edge (Tulsa, OK) (May 2012) 31 (5): 580-587
Estimation of interval velocity and attenuation anisotropy from reflection data at Coronation Field (in Seismic inversion for reservoir properties, Reinaldo J. Michelena (prefacer), William N. Goodway (prefacer) and Tad M. Smith (prefacer))
Leading Edge (Tulsa, OK) (May 2012) 31 (5): 580-587
Index Terms/Descriptors
- Alberta
- anisotropy
- attenuation
- Canada
- clastic rocks
- Cretaceous
- geophysical methods
- geophysical surveys
- Lower Cretaceous
- Mannville Group
- Mesozoic
- North America
- oil and gas fields
- petroleum
- petroleum exploration
- reflection methods
- reservoir rocks
- sandstone
- sedimentary rocks
- seismic methods
- surveys
- velocity
- Western Canada
- Western Canada Sedimentary Basin
- southeastern Alberta
- Coronation Field
Latitude & Longitude
Abstract
Attenuation can be extremely valuable in characterizing gas accumulations in shales and sandstones. Laboratory studies clearly indicate that attenuation is closely related to fluid saturation and mobility. Well-log analysis shows that P-wave attenuation is higher in gas-bearing rocks than in those saturated with oil or water. Extremely low P-wave quality factors (Q), ranging between 5 and 10, have been observed in some gas reservoirs. For example, such low Q values in gas sands are reported by Mavko and Dvorkin (2005) in well logs from the Gulf Coast.
ISSN: 1070-485X
EISSN: 1938-3789
Serial Title: Leading Edge (Tulsa, OK)
Serial Volume: 31
Serial Issue: 5
Title: Estimation of interval velocity and attenuation anisotropy from reflection data at Coronation Field
Title: Seismic inversion for reservoir properties
Author(s): Behura, JyotiTsvankin, IlyaJenner, EdwardCalvert, Alex
Author(s): Michelena, Reinaldo J.prefacer
Author(s): Goodway, William N.prefacer
Author(s): Smith, Tad M.prefacer
Affiliation: Colorado School of Mines,
United States
Pages: 580-587
Published: 201205
Text Language: English
Publisher: Society of Exploration Geophysicists,
Tulsa, OK,
United States
References: 11
Accession Number: 2012-056759
Categories: Economic geology, geology of energy sourcesApplied geophysics
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 1 table, strat. col.
N49°00'00" - N60°00'00", W120°00'00" - W110°00'00"
Secondary Affiliation: ION Geophysical,
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: 201229
