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The AAPG/Datapages Combined Publications Database

Showing 27,161 Results. Searched 195,354 documents.

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Abstract: Physical Testing of the Effect of Tilting on the Reflection Coefficient in an Anisotropic Material; #90172 (2014)

Miryam Ortiz-Osornio, Douglas R. Schmitt

Search and Discovery.com

..., the reflectivity curves for the tilted media with the dipping angle of 45° show strong dependence on the azimuth. One can clearly observe that the larger...

2014

Perceiving the Unseen Hydrocarbon Play Potential Grounded by Seismic Reservoir Characterization and Well Data in the Gumai Formation, South Sumatera, Indonesia

Haryono Haryanto, Wahyudin Bahri Nasifi, Indah Edria Amorita, I Wayan Ardana Darma, Trisakti Kurniawan, Fithra H. Darmawan, Azli B. Abu Bakar, Randy Condronegoro, Andri Syafriya

Indonesian Petroleum Association

... in reflectivity coefficient character as a function of offset/angle. However, this attribute is not used in this study due to the unavailability of angle...

2017

Recent Advances in the Characterization of Unconventional Reservoirs with Wide-Azimuth Seismic Data

Ran Bachrach, Colin M. Sayers, Sagnik Dasgupta, Josimar Silva, Stefano Volterrani

Unconventional Resources Technology Conference (URTEC)

..., similar to the conventional isotropic Amplitude Versus Angle (AVA) where shear information is known to be better resolved than is density. Figure 2...

2013

Machine Learning Technology to Improve Precision and Accelerate Screening Shallow Gas Potentials in Tunu Shallow Gas Zone, PT Pertamina Hulu Mahakam

Ronald Herbet, Debrina Sugiharto, Cepi M-Adam, Andrean Satria, Khairul Ummah

Indonesian Petroleum Association

... that the most important features are far sweetness and Amplitude Variation with Angle (AVA) 450. SHAP shows an increasing gas trend correlate...

2021

Abstract: Q Effects on Thin-bed AVO/AVF Analysis; #90224 (2015)

Wenyong Pan and Kris Innanen

Search and Discovery.com

... the imaginary parts of and , but these effects are weaker. Introduction In amplitude-variation-with-offset (AVO) techniques, seismic reflection amplitudes...

2015

Fracture Characterization of the Montney Formation Using Amplitude Inversion of Converted Wave Seismic

Tyler L. MacFarlane, Thomas Davis

Unconventional Resources Technology Conference (URTEC)

... to the formations crack density, and produces an azimuthal signature in converted wave seismic amplitudes. Amplitude variation with angle (AVA...

2015

Uncovering Seismic HTI Anisotropy of the Cooper Basin

Stephanie Tyiasning, Dennis Cooke

Petroleum Exploration Society of Australia (PESA)

... in Anisotropic Media: Society of Exploration Geophysicists. Rüger, A., 1998, Variation of P-Wave Reflectivity with Offset and Azimuth in Anisotropic Media...

2016

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... to an equation that relates the reflectivity at a given angle (offset) to P-wave and S-wave reflectivities. The gathers, as delivered by the processor...

2013

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... to an equation that relates the reflectivity at a given angle (offset) to P-wave and S-wave reflectivities. The gathers, as delivered by the processor...

2013

High resolution imaging by dynamic matching FWI in the presence of AVO effects

Fuchun Gao, Shuqian Dong, Yang He, James Sheng, Faqi Liu, Bin Wang, Carlos Calderon, Yuriy Ivanov, Fanny D. Marcy, Ole E. Aaker

International Meeting for Applied Geoscience and Energy (IMAGE)

... that it is possible to extract full elastic AVA using acoustic FWI in simple cases. By proper data decomposition and selection in angle domain...

2023

AVO Response for Gas Sands of the Monserrate Formation, Upper Magdalena Valley of Colombia

C.J. Dueñas, M. G. de Freitas, A. Mantilla

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...’s fluid substitution equations; and the Zoeppritz’s approximation for modeling the angledependent reflectivity. We also used Han’s shaly sandstones...

2006

Abstract: Azimuthal Fourier Coefficient Elastic Inversion; #90174 (2014)

Benjamin Roure and Jon Downton

Search and Discovery.com

... angle of incidence, the amplitude variation with azimuth can be decomposed into four FCs by keeping only nd th the 2 and 4 order terms. For each...

2014

Estimation of Gas Reservoir Boundary by AVO Analysis

Alfian D. Santoso, L. Hendrajaya, F. Makhruf, Purwoko, S. Ardisasmita

Southeast Asia Petroleum Exploration Society (SEAPEX)

... at the insident angle θ, NI = P wave normal incident reflectivity, α = average of the P wave velocities across an interface, β = average of the S wave...

1996

ABSTRACT 3-D Interpretation of a Meteorite Impact Field, Red Wing Creek Field, Williston Basin, Western North Dakota, #90125 (2011)

Herber Ben, Weimer Paul, Bouroullec Renaud, Barton Roger, Hammon William, Dorn Geoff, Huang Chunju, Jiang Shu

Search and Discovery.com

... entirely of the Mississippian Madison Group strata, and flanking annular rim. The seismic reflectivity within the central core is poor, but well log...

2011

ABSTRACT 3-D Interpretation of a Meteorite Impact Field, Red Wing Creek Field, Williston Basin, Western North Dakota, #90126 (2011)

Herber Ben, Weimer Paul, Bouroullec Renaud, Barton Roger, Hammon William, Dorn Geoff, Huang Chunju, Jiang Shu

Search and Discovery.com

... entirely of the Mississippian Madison Group strata, and flanking annular rim. The seismic reflectivity within the central core is poor, but well log...

2011

Abstracts: AVO Analysis of 3-D/3-C Datasets from Weyburn CO2 Storage and Monitoring Project; #90173 (2015)

Le Gao and Igor Morozov

Search and Discovery.com

... Storage and Monitoring Project Le Gao* and Igor Morozov University of Saskatchewan, Saskatoon, SK [email protected] Summary Amplitude variation...

2015

Implications for the Hydrocarbon Presence: An Example from Lower Indus Basin, #10808 (2015).

Syed Ali Asghar

Search and Discovery.com

... position as the Poisson’s ratio map. • The values of reflectivity were found increasing as the angle is increased in the analysis. • This could...

2015

Abstract: Regional Rock Physics Application for Improved Understanding of Thief Sands in Offshore Sarawak Basin (Geophysics Paper 11)

Yeshpal Singh

Geological Society of Malaysia (GSM)

... responses of sand tops are represented with positive reflectivity contrast and with dimming amplitudes of angle/offsets. The rock physics modelling...

2011

Maximizing imaging resolution and amplitude fidelity of low-dip stratigraphic traps through continued optimization of seismic acquisition and processing: A case study from the Guyana South East Stabroek Block

Yaxun Tang, Fuxian Song, Lorie Bear, Mark Widmer, Luke Wilson, Vikas Gudipati, Rishi Bansal, Steve Knapp, Chunshou Xia, Wei Zhao, Yu Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to reduce undulation and flatten image gathers, particularly at far and ultra-far offsets to maximize usable angles for amplitude versus angle (AVA...

2023

GeoStreamer X Delivers Near-Field Multi-Azimuth Dataset for Accurate Lead Characterisation, South Viking Graben, Norway

Cyrille Reiser, Eric Mueller, PGS

GEO ExPro Magazine

..., enabling a rapid assessment of the elastic property variation as well as the prestack seismic response to changes in reservoir properties...

2021

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