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The AAPG/Datapages Combined Publications Database
Showing 28,166 Results. Searched 200,357 documents.
Sparse Layer Inversion for Prestack Seismic Reservoir Characterization
Raisya Noor Pertiwi, Muhammad Alwi, Herlan Setiadi, Khairul Ummah
Indonesian Petroleum Association
... preserves the reliability of AVO/AVA and inversion response. METHODOLOGY Sparse Layer Inversion (SLI) produces sparse reflectivity based on basis pursuit...
2016
Full-elastic AVA extraction using acoustic FWI
Michael Warner, John Armitage, Adrian Umpleby, Nikhil Shah, Henry Debens, Fabio Mancini
International Meeting for Applied Geoscience and Energy (IMAGE)
... differences between these volumes in terms of rock-physics. The first stage is concerned only to extract the true variation of amplitude with angle...
2022
Benefits and uplift of focused post-migration gather conditioning over prospect specific areas - An Indonesian case study
David Jessup, Dave Goulding, Andy Kalil
Southeast Asia Petroleum Exploration Society (SEAPEX)
.... Intercept and gradient volumes were used to generate various attribute data sets. Cross plotting of the intercept /gradient and Chi angle reflectivity...
2022
Benefits and Uplift of Focused Post-Migration Gather Conditioning Over Prospect Specific Areas - An Indonesian Case Study
David Jessup, Dave Goulding, Andy Kalil
Indonesian Petroleum Association
... model response can be compared and compliance measured. In order to measure AVA compliance, an optimum angle range for input had to be determined...
2022
PP-PS depth-domain AVA inversion
Maud Cavalca, Robin P. Fletcher
International Meeting for Applied Geoscience and Energy (IMAGE)
... non-linear) PS plane-wave reflectivity operator, 𝑹 𝑷𝑺 , characteristic of the angle-dependent reflectivity at the conversion / reflection point...
2023
Impact of Velocity Field on AVA Analysis; #42363 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
...-to-noise ratio and thereafter put through amplitude-variation-with angle (AVA) analysis. As all mathematical formulation for AVA analysis is carried...
2019
Abstract: Seismic Technologies for Independents, by Bob A. Hardage; #90067 (2007)
Search and Discovery.com
2007
Predicting Reservoir Property Uncertainty Through AVA Monte Carlo Modeling at Kerisi and Hiu Fields, Natuna Sea
Riki Tasrianto, Yasril Kahar, John Hughes
Indonesian Petroleum Association
... between 3500 ft and 5500 ft sub-sea. The reservoir sandstones typically exhibit an anomalous seismic AVA (amplitude verses angle) response. We present...
2011
EXTENDED ABSTRACT: Applications of Wave Imaging Technologies to Improve Deep Gulf Prospecting
Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez
GCAGS Transactions
.... Because of this, there is a good reason to use WEM for amplitude-versus-angle (AVA) analysis, but until recently, it was not known how to decompose...
2010
Prestack Depth Migration for "Easy" Unconventional Plays?, #41056 (2012)
Morgan Brown
Search and Discovery.com
..., reflector dip and/or velocity variation render the conversion of surface offset or surface source/receiver azimuth to true reflection angle ambiguous...
2012
Effective Delivery of Reservoir Compliant Seismic Data Processing; #42158 (2017)
Arash JafarGandomi, Henning Hoeber, Celine Lacombe, Vimol Souvannavong
Search and Discovery.com
... with long offsets also deliver high-quality pre-stack data, which in principle allow for the inversion of amplitude variation with angle (AVA) for reservoir...
2017
Robust multichannel prestack AVA inversion based on elastic L1/2 norm
Nanying Lan
International Meeting for Applied Geoscience and Energy (IMAGE)
... denotes the reflectivity of P-wave impedance, S-wave impedance and density, is the incident angle, and 0.5 is the ratio of S-wave velocity to P-wave...
2023
Application of Frequency-Dependent Attributes for Gas Prospect Identification
Vittorio De Tomasi, Alfonso Junio Marini, Maurizio Ferla, Francesca de Finis
International Meeting for Applied Geoscience and Energy (IMAGE)
... prospects are usually identified because of the amplitude versus angle (AVA) anomaly caused by gas presence in the pore space. However, AVA response...
2023
Abstract: Application of 3D AVA to Successfully Delineate Seismic Interfaces Related to Lithology and Fluid Variation a Case Study from the Bongkot Field, Gulf of Thailand; #90253 (2016)
Phansakorn Kaewprain, Kanin Matangkapong, Araya Chansane, Vitoon Chaisomboonpan, Ak-amphol Thiamklang, Puchong Intasalo, Renaud Lemaire, Jean-Pierre Bancelin, Suwit Pabchanda, Thipruethai Kulprasoot, Sirichai Mahamat, Helge Ivar Sognnes
Search and Discovery.com
...Abstract: Application of 3D AVA to Successfully Delineate Seismic Interfaces Related to Lithology and Fluid Variation a Case Study from the Bongkot...
2016
Monitoring CO2 Injection at Weyburn Reservoir Using 3-D/3-C Seismic Datasets; #20290 (2015)
Le Gao, Igor Morozov
Search and Discovery.com
... and enhanced oil recovery in Weyburn oil field in Saskatchewan, Canada, we applied the time-lapse AVO (amplitude variation with offset) method to time-lapse...
2015
Abstract: Fit for Purpose Seismic Reservoir Characterisation (Geophysics Poster 9)
Troy Thompson, Matthew Lamont, Carlo Bevilacqua, Natasha Hendrick
Geological Society of Malaysia (GSM)
... with incident angle (AVA) attributes can be used to identify exploration targets. AVA stack rotations are one powerful attribute to highlight potential...
2011
Next-generation resolution through multiparameter FWI imaging
Tom Rayment, James McLeman, Karen Dancer, Tim Burgess
International Meeting for Applied Geoscience and Energy (IMAGE)
...). This approach uses an augmented acoustic wave equation to update velocity and an AVA-related reflectivity simultaneously. The separation of the migration...
2022
Abstract: Effective Delivery of Reservoir Compliant Seismic Data Processing; #90310 (2017)
Arash Jafargandomi, Celine Lacombe, Vimol Souvannavong, Henning Hoeber
Search and Discovery.com
... with angle (AVA) effects with much higher accuracy than just a decade ago. However, data processing and imaging prior to inversion also face new...
2017
Abstracts: A Decomposition of RP into Contributions from single-parameter Reflectivities; #90173 (2015)
Kristopher A. Innanen
Search and Discovery.com
... reflectivity: theory and practice of AVO analysis: SEG. Downton, J. E. and C. Ursenbach, 2006, Linearized amplitude variation with offset (AVO) inversion...
2015
Abstract: AVA Seismic Inversion as a Tool for Prospect Evaluation; #90255 (2017)
Lukumon Adeoti, Oluwakemi Adesanya, Kayode Oyedele, Ayorinde Adekanle, Peter Afinotan
Search and Discovery.com
... Afinotan2 1 University of Lagos Chevron Nigeria Limited 2 Abstract Amplitude-versus-angle (AVA) seismic inversion techniques were used to predict...
2017
Frequency-dependent reflection characteristics of single thin layer and waveform inversion
Zhengyang Kuai, Danping Cao, Chao Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... to be transformed between domains to obtain synthetic seismic records in the time-angle domain for subsequent inversion work. The reflectivity method...
2023
Modeling-based amplitude recovery (MBAR)
Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church
International Meeting for Applied Geoscience and Energy (IMAGE)
... of seismic amplitude-versus-angle (AVA) is a primary technique for deriving hydrocarbon indicators. Many seismic processing algorithms distort amplitudes. We...
2022
Abstract: AVAZ Inversion for Anisotropy Parameters of a Fractured Medium; #90174 (2014)
Faranak Mahmoudian, Gary F. Margrave, and Joe Wong
Search and Discovery.com
... there is also little AVA variation for the incident angle less than 30⁰. 0.8 Azimuth 90 (fracture plane) 0.7 0.6 Azimuth 45 Azimuth 0...
2014
Subsurface Surveillance in Low Permeability Oil Reservoir at Tanjung Field Barito Basin South Kalimantan
Trisakti Kurniawan, Bambang Prasetiyo, Darwin Tangkalalo
Indonesian Petroleum Association
... from seismic to localize the lithology distribution The seismic gather data was used in assessing the quality and suitability of the three angle stacks...
2010
Pre-Injection Reservoir Characterization for CO2 Storage in the Near Offshore Areas of the Texas Gulf of Mexico
Search and Discovery.com
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