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The AAPG/Datapages Combined Publications Database
Showing 28,162 Results. Searched 200,293 documents.
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
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-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration
Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen
AAPG Bulletin
... the stacked gradient during iterations, the proposed method updates the reflectivity model in the subsurface half-opening angle domain and then applies...
2024
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
Integrate sweet spot seismic prediction with microseismic monitoring to apply to lacustrine shale in Sichuan Basin of China
Kai Xu, Zhentao Sun, Shixing Wang, Yu Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
...-mechanics, we use the pre-stack AVA inversion and AVAZ inversion to get the key engineering “sweet spot” parameters in 3D space based on high-quality...
2022
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
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
Abstract: Fractured Tight Gas Reservoir Seismic Exploration Optimization, by R. Grimm, H. Lynn, and W. Beckham; #90937 (1998)
Search and Discovery.com
1998
Abstract: Fractured Tight Gas Reservoir Seismic Exploration Optimization, by R. Grimm, H. Lynn, and W. Beckham; #90928 (1999).
Search and Discovery.com
1999
Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014)
Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit
Search and Discovery.com
... of the reflecting boundary as well as the constituents of the boundary. Therefore it is also referred to as Amplitude Variation with Angle (AVA), as the angle...
2014
Statistical rock physics analysis and modelling in the Browse Basin
Shuichi Desaki, Yuki Kobayashi, Peter Miklavs
Petroleum Exploration Society of Australia (PESA)
... Zoeppritz equation, gives sufficiently accurate angle-dependent reflectivity of incident plane P-wave at an interface of two half-space, homogeneous...
2019
An Integrated Multi-Analysis Procedure That Qualifies DHI’s: A Case History in the Louisiana Hackberry Trend
Russell Hoopes, W. M. Aber, Jr.
Bulletin of South Texas Geological Society
..., aerial extent and reflectivity pattern of the pay. Reflection Coefficient vs. Offset (RVO) (Figure 2), utilizes a transform derived from local...
1990
PS-wave seismic data: A game changer in exploration and monitoring
Ali Tura, James Simmons, Sima Daneshvar, Matthew Copley, Joseph Stitt
International Meeting for Applied Geoscience and Energy (IMAGE)
...-wave data in conventional PP-wave amplitude variation with angle (AVA) inversion. For exploration improvement in S-impedance or the second AVA...
2022
Understanding Seismic Amplitudes, by Steve Henry, #40135 (2004).
Search and Discovery.com
2004
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... variation with the angle and azimuth (AVAZ) method. Jenner (2002) reformulated the Rüger (2001) equation for P-wave reflection coefficient from a boundary...
2014
Rock Physics Model of the Eagle Ford Shale
Colin M. Sayers, John J. Walsh, Kevin Fisher, Sagnik Dasgupta
Unconventional Resources Technology Conference (URTEC)
... are required to optimally locate wells in these low-permeability reservoirs. The variation of seismic reflection amplitude with angle of incidence (AVA...
2015
Abstract: AVO Crossplotting I: Processing and Calibration Considerations; #90171 (2013)
Heath Pelletier
Search and Discovery.com
... and Calibration Considerations Heath Pelletier* Talisman Energy, Calgary, AB [email protected] Introduction Amplitude Variation with Offset (AVO...
2013