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The AAPG/Datapages Combined Publications Database
Showing 15,811 Results. Searched 195,387 documents.
Quantitative Petrophysical AVO Error Analysis in a Layered Model
Search and Discovery.com
...) Here, angle is the incidence angle, RZoeppritz denotes the Zoeppritz solution for P-wave reflection coefficient, and Rcompared represents some other...
2013
Application of Seismic Surveying to Direct Exploration for Oil and Gas
A. M. Ivanchuk, L. F. Tarkhova
Petroleum Geology: A Digest of Russian Literature
... of these waves is shifted toward lower frequencies. There is also a change in the coefficient of reflection at gas-oil-water interfaces. This is marked...
1974
Imaging in Complex Environments Common Reflection Angle Migration
Graham A. Winbow
Indonesian Petroleum Association
... between hard and soft rocks. In this situation, the reflected ray is nearly tangential to the interface, and therefore has a reflection coefficient...
2007
Elastic impedance parameterization and inversion for fracture quasi-weaknesses and quasi-Thomsen parameters in fractured reservoirs with monoclinic symmetry
Wei Xiang, Xingyao Yin, Kun Li, Zhengqian Ma
International Meeting for Applied Geoscience and Energy (IMAGE)
... of weak anisotropy, the PP wave reflection coefficient equation of monoclinic medium, formed by a single group of vertical fractures distributed...
2023
Structure of Albertite from New Brunswick, Canada
Ganjavar Khavari-Khorasani
CSPG Bulletin
...). The substantial rise of the absorption coefficient indicates a pronounced increase in aromaticity, and the appearance of a distinct 10 reflection (Fig. 7a...
1983
Abstract: AVAZ Inversion for Anisotropy Parameters of a Fractured Medium; #90174 (2014)
Faranak Mahmoudian, Gary F. Margrave, and Joe Wong
Search and Discovery.com
... for several azimuths were used as the input data for the inversion. A linearized PP reflection coefficient approximation for a HTI (horizontal...
2014
Seismic Applications of the Velocity Log
W. G. Rimmer
CSPG Bulletin
... of the instantaneous velocity. This means that the film strip produced (Figure 1) is equivalent to a plot of the instantaneous reflection coefficient versus linear...
1960
AVAZ inversion for brittleness indicator and fracture parameters of gas-bearing reservoirs with tilted transverse isotropy
Yuanyuan Tan, Guangzhi Zhang, Zhengqian Ma, Ying Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the amplitude variation with the angle and azimuth (AVAZ) inversion. First, we derive a linearized PP-wave reflection coefficient of the TTI medium...
2023
Abstract: Quantitative Estimation of Oil-Water Contact in a Jurassic Clastic Reservoir Using Elastic Wave Propagation, by Zhao Zhang and Yuefeng Sun; #90182 (2013)
Search and Discovery.com
2013
Abstract: Investigation of Seismic Imaging Capabilities for Small, Shallow Carbonate-Hosted Massive Sulphide Deposits; #90187 (2014)
Laura Quigley and Bernd Milkereit
Search and Discovery.com
... a minimum reflection coefficient of 0.06, for two adjacent rock types, is needed to generate a detectable reflection on a seismic record (Salisbury et...
2014
Chapter 5: Seismic Trace Inversion
Tom Wittick
North Texas Geological Society
.... In our case the wavelet is zero phase. The reflection coefficient at a boundary between two rocks or any change in acoustic impedance is Figure 5-1...
1992
Seismic Trace Inversion
Abilene Geological Society
... is zero phase. The reflection coefficient at a boundary between two rocks or any change in acoustic impedance is R = [V2*D2-V1*D1]/[V2*D2+V1*D1] Figure 1...
1993
Designing Coal-Bed Methane Seismic Acquisition Survey Parameters Using Finite Difference Modeling
Abdul Haris, Befriko Murdianto, Adriansyah
Indonesian Petroleum Association
... approximations for P-wave reflection coefficient for isotropic media started with the work of Knott (1899) and Zoeppritz (1919), which described the relationship...
2009
Simultaneous inversion of tight sandstone reservoir fluid and brittleness index based on frequency-dependent AVO
Tianjun Lan, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
.... In order to reduce the reservoir prediction error and improve the calculation efficiency, the PP-wave reflection coefficient equation characterized...
2023
A Critique of the Magnolia Field (Columbia County) Case History
E. E. Rosaire , James M. Forgotson
GCAGS Transactions
...) and raised the correlation coefficient (r) from 0.79 to 0.91. Figure 7 A shows the top of the Smackover reflection structure after the areal adjustment...
1953
Experience in Plotting the Relief of the Base of the Platform Cover of the Middle Ob Area
V. K. Burakov, P. A. Besprozvannyy, V. S. Slavkin
Petroleum Geology: A Digest of Russian Literature
... Ob region with a high coefficient of correlation (0.95). The equation of regression (1) determined for 260 points has the form: (2) H A = - 0.98...
1980
Abstract: Geophysical Modeling of Reservoirs in Offshore Niger Delta, by A. O. Idowu; #91012 (1992).
Search and Discovery.com
1992
2004
Abstract: Fracturing is Distinctly Revealed by Duplex Wave Migration; #90171 (2013)
Alexander Kostyukevych, I.U. Khromova, N. Marmalevskyi, and Y. Roganov
Search and Discovery.com
... in comparison with the adjacent undisturbed rocks. The impedance difference at the edge of the fracture zone affects the reflection coefficient value...
2013
Seismic Expression of the Stratigraphic Succession: Chapter 12: Part I. Illinois Basin: Stratigraphy
Paul C. Heigold, Donald F. Oltz
AAPG Special Volumes
... with underlying interbedded clastics. The fourth interface may have an associated negativ reflection coefficient and, therefore, a phase inversion; nevertheless...
1990
Seismic Reflection Imaging with Active Sources and Microseismic Events Recorded on Horizontal DAS Cables
David Langton, Dan Kahn, Brian Fuller
Unconventional Resources Technology Conference (URTEC)
.... The wavefront clearly travels along the cable. Near channel 742 it is clear that the S-wave was reflected from an interface with a large reflection coefficient...
2019
ABSTRACT: Seismic Expression of Red Fork Channels in Major and Kay Counties, Oklahoma, by Cliff A. Hanoch; #91039 (2010)
Search and Discovery.com
2010
Abstract: AVO, Rock Properties and Pitfalls (Paper 23)
Deva P. Ghosh, Liau Min Hoe
Geological Society of Malaysia (GSM)
... AND LIAU MIN HOE PETRONAS Carigali Sdn. Bhd. In recent years Angle Dependent Reflection Coefficient or in short "AVO" has had considerable success...
2002
Regional and Fine-Scale Strata Formation in a Major Accretionary Environment: Amazon Continental Shelf: ABSTRACT
Steven A. Kuehl, Charles A. Nittrouer, David J. Demaster
AAPG Bulletin
.... Seismic reflection records (3.5 kHz) reveal regions of topset, foreset, and bottomset stratigraphy. The formation of fine-scale (< 50 cm) strata...
1982