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The AAPG/Datapages Combined Publications Database

Showing 15,811 Results. Searched 195,405 documents.

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Practical Use of Inverted Seismic Data: ABSTRACT

Gary Hamill

AAPG Bulletin

... on the reflection coefficient that corresponds to the target beds. The useful spectrum of the data must be as broad as possible to define the geologic...

1985

Abstract: Separation of Geometric Spreading, Scattering and Intrinsic Attenuation in VSP data; #90187 (2014)

Amin Baharvand Ahmadi and Igor Morozov

Search and Discovery.com

.... Figure 2 shows the power spectrum of reflection coefficient to ~1390 m depth (top of reservoir caprock). The reflection coefficient generally continuously...

2014

I. Relating Seismic Data to Stratigraphy

Norman S. Neidell

AAPG Special Volumes

...-------------------------- The product of the velocity and density of a material is known as the acoustic impedance, and the reflection coefficient...

1979

Peusangan–C1 Reef Interpretation with Top Reef Transparent to Seismic

L. B. Hinton, W. S. Atmadja, Suryo Suwito P.

Indonesian Petroleum Association

... 7. Peusangan–C1 Synthetic Seismogram and VSP A synthetic seismogram based on the sonic alone is shown in Figure 8. The reflection coefficient series...

1987

Abstract: Joint PP and PS AVO Inversion Based on Zeopprtiz Equations; #90171 (2013)

Tiansheng Chen and Xiucheng Wei

Search and Discovery.com

... (the model parameters vector) are chosen P = [α1 , α 2 , β1 , β 2 , ρ1 , ρ 2 ] (Larsen,1999).As we all know, reflection coefficient of PP and PS...

2013

Abstract: Joint PP and PS AVO Inversion Based on Zeopprtiz Equations; #90171 (2013)

Tiansheng Chen and Xiucheng Wei

Search and Discovery.com

... (the model parameters vector) are chosen P = [α1 , α 2 , β1 , β 2 , ρ1 , ρ 2 ] (Larsen,1999).As we all know, reflection coefficient of PP and PS...

2013

Seismic Activity in the Central Gulf Coast Basin

Eugene R. Brumbaugh

New Orleans Geological Society

... is present in the sand the velocity and density is further reduced resulting in a very strong (15-35%) reflection coefficient at the sand/shale interface...

1991

Fracture Characterization Based on Attenuation Estimation From Seismic Reflection Data Using Well-Log-Based Localized Spectral Correction

Fangyu Li, Tao Zhao, Tengfei Lin, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

... the reflection coefficient effects. The reasons are: reflectivity coefficient is usually viewed as random, so its spectrum is white; the Constant Q...

2015

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... panel), and the case of overburden (right panel, large reflection coefficient R). Method and Results The forward scattered energy can be viewed...

2013

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... panel), and the case of overburden (right panel, large reflection coefficient R). Method and Results The forward scattered energy can be viewed...

2013

AVO Inversion in Marine Gas Hydrate Studies; #41603 (2015)

Marc-André Chen, Stan Dosso, George Spence, Michael Riedel, Roy Hyndman

Search and Discovery.com

... saturation in the upper media, and partial free-gas saturation in the lower media. Using Zoeppritz’ equations, synthetic reflection coefficient vs. incidence...

2015

Application of Seismography to Geological Problems

Eugene McDermott

AAPG Bulletin

... and reflection of elastic waves and the conditions governing these are considered. These two phenomena are closely related. The application of the seismic...

1931

Abstract: A Framework for Time-Lapse AVO when Contrasts are Large; #90187 (2014)

Shahin Jabbari and Kris Innanen

Search and Discovery.com

... the difference reflection coefficient and perturbations in both the baseline medium and the time-lapse changes may be significant and non-negligible...

2014

Geophysical Study of a Magma Chamber Near Mussau Island, Papua New Guinea

S. V. Dadisman, M. S. Marlow

Circum Pacific Council Publications

... of a reflection is significant because reflections from a boundary underlain by a low-velocity medium has a negative reflection coefficient...

1988

Estimation of Dispersion in Orientations of Natural Fractures from Seismic Data: Application to Discrete Fracture Network Modeling

Reinaldo J Michelena, Kevin S. Godbey, Huabing Wang, James R. Gilman, Chris K. Zahm

Unconventional Resources Technology Conference (URTEC)

... variance, can be easily associated with the Fisher coefficient, a key parameter in the probability density function used in discrete fracture network...

2013

Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2

B. A. Hardage

AAPG Special Volumes

... the reflection coefficient for a downgoing particle velocity pulse is negative. Event R2 is generated at an interface where the reflection coefficient...

1985

Utilizing Variably Integrated Spectral Frequency to Extract Entire Fluvial Systems

Pongthep Thongsang, Mirza Naseer Ahmad

Indonesian Petroleum Association

... and these returns are normally interpreted as a target reservoir. However, strong reflection does not always refer as reservoir rock, weak amplitude responses...

2013

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

...-free shear wave propagation. In this paper we propose a new acoustic wave equation, derived using linearized plane-wave reflection coefficient theory...

2023

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