Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 2,356 Results. Searched 195,364 documents.
P-S Converted Wave AVO Analysis for Reservoir Characterization
Ehsan Sadeghi, Cepi Adam, Effendy Siawira, Hilfan Khairy
Indonesian Petroleum Association
... structural images compared to the conventional P-P data below the gas clouds; the AVO (Amplitude Versus Offset) characteristics of such P-S data is also...
2017
Abstract: Fit for Purpose Seismic Reservoir Characterisation (Geophysics Poster 9)
Troy Thompson, Matthew Lamont, Carlo Bevilacqua, Natasha Hendrick
Geological Society of Malaysia (GSM)
... in intercept-gradient space, however stack rotations can also be computed using near and far (angle stack) attributes. Near and far AVA attributes have both...
2011
Seismic signatures of pore fluid mobility in heterogeneous reservoirs
Qiuzi Li, Brent Wheelock, Tuan Tran, Fadil Santosa
International Meeting for Applied Geoscience and Energy (IMAGE)
... in seismic interpretation include inverting the full set of Biot parameters; we leave inversion amplitude-versus-angle (AVA) analysis and spectral to future...
2023
Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods
Allan T. Long, R. C. Anderson
AAPG Special Volumes
... to yield an amplitude versus offset gradient section. The gradient section can then be interpreted, and AVO anomalies can be correlated to the stack...
1992
De-Risking Exploration Well in A Mature Basin, Jabung Block, South Sumatra Basin: Application of Avo Analysis in A Sub-Unconformity Play
Lucky Kriski Muhtar, Mawar Indah Nursina, Iman Suripto Suyatno, Henri Heru Prasetijo, Hendra Niko Saputra
Indonesian Petroleum Association
.... To de-risk the play, this study proposes to characterize the reservoir by Amplitude Variation with Offset/Angle (AVO/AVA) method for a better...
2022
Discriminating Gas Bearing Sands from Shale Using Rock Physics Guided Inversion, #40909 (2012)
Ahmed W. Daghistani, Aiman M. Bakhorji, Husam M. Al-Mustafa
Search and Discovery.com
... bearing sands and wet shale. Rock physics cross-plots between various elastic moduli showed that the Vp/Vs ratio versus acoustic impedance (AI) plane...
2012
3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs
Antonio C.B. Ramos, T.L. Davis
Rocky Mountain Association of Geologists
... affecting the AVO gradient in the same way (large A 0 correspond to large AVO gradients). The effect of changmg the velocity contrast 10 bin trace 40 20...
1997
Pre-Stack Calibration to Well Data: Intercept & Gradient Scaling A Case Study From the Norwegian North Sea
Nguyen Nam, Larry Fink
Indonesian Petroleum Association
... AVO crossplot shows the attributes of “intercept” and “gradient” help to separate different lithologies and/or fluids. To move from qualitative anomaly...
2007
Reservoir Characterisation Through Integrated AVO, AI and EI Inversion
Andy Furniss
Indonesian Petroleum Association
... incidence reflectivity and gradient sections. Prestack AVO inversion produces a series of AVO reflectivity volumes by separating out the P-wave...
2002
AVO Seismic Technology - Workshop Summary
Brian Russell
PTTC
... velocity and S-wave velocity. Understanding these is necessary to application of AVO technology. Density, P- and S-wave velocity data examples were used...
2003
Fluid Substitution as an AVO Calibration for Quantifying Uncertainty of Gas Presence in Late Miocene Binio Sandstone, Kampar Area, Central Sumatra Basin
Istiqlal Dalimunthe, Pamela Amelia Barus, Jhon Johannes Wood, Febrie Ekaninggarani
Indonesian Petroleum Association
... intercept versus gradient at both upper and lower zones reveals there are no AVO class III anomalies. Figure 15 - The fluid substitution result...
2008
Subsurface Surveillance in Low Permeability Oil Reservoir at Tanjung Field Barito Basin South Kalimantan
Trisakti Kurniawan, Bambang Prasetiyo, Darwin Tangkalalo
Indonesian Petroleum Association
...-layering within the layers were set as conformable to top and base. Simultaneous AVO/AVA Inversion builds on the Constrained Sparse Spike Inversion...
2010
Abstract: The Application of Extreme Attributes of PS Converted Wave; #90171 (2013)
Xiucheng. Wei, Xiang-Yang Li, Tiansheng Chen, and Lihua Jia
Search and Discovery.com
...-wave velocity, we propose converted wave reflection coefficient extreme attributes for AVO analysis and derive relations between the extreme position...
2013
Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015).
Yong Xu, Satinder Chopra
Search and Discovery.com
... is inherent in the data before NMO correction, its effect on AVO is more obvious on NMO corrected data. Studies have been carried out for an analytical...
2015
PP-PS depth-domain AVA inversion
Maud Cavalca, Robin P. Fletcher
International Meeting for Applied Geoscience and Energy (IMAGE)
...). The modelled AVA distortions match quite closely those extracted from the KDM data (Figure 3). Figure 1: P-wave velocity (𝑉 𝑃 ), S-wave velocity...
2023
Robust multichannel prestack AVA inversion based on elastic L1/2 norm
Nanying Lan
International Meeting for Applied Geoscience and Energy (IMAGE)
...Robust multichannel prestack AVA inversion based on elastic L1/2 norm Nanying Lan Robust multi-channel pre-stack AVA inversion based on elastic L1/2...
2023
AVO Analysis for Direct Hydrocarbon Detection in Field X in the Persian Gulf (Paper 5)
Mohammad Ali Riahi, Mohammad Emami Niri
Geological Society of Malaysia (GSM)
... to the attributes. In the P-wave velocity computed section, a low velocity anomaly was found that matched with AVO anomaly in other attributes, proving...
2006
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... , and is nonlinear in the three unknowns (G1 , G2, φ0). The goal here is to invert for the AVO gradient observed in amplitude data for these three unknowns...
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)
.... General AVO (Amplitude Versus Offset) Analysis at present is becoming a widely used technology in reservoir characterisation. AVO analysis work based...
1996
Effects of Overburden Anisotropy and Vertically Aligned Fractures on P-Wave Azimuthal AVO Responses
Fatkhan, Yudi Yanto, Nofri Faruza Said
Indonesian Petroleum Association
... are modeled. It is clear that the VTI overburden modified the AVO gradient in all cases since the anisotropic parameter δ has a strong effect...
2005
AVO Responses: The Good, the Bad and the Evil
Per Avseth
GEO ExPro Magazine
... is to make crossplots of the zero-offset reflectivity (R0) versus the AVO gradient (G). These attributes are estimated from pre-stack seismic gathers...
2005
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
Abstract: February Meetings: WA Branch (Feb 25th): AVO and Inversion Mapping Campbell Gas Field
M. Micenko
Petroleum Exploration Society of Australia (PESA)
... BRANCH (Feb 25th) AVO and Inversion Mapping - Campbell Gas Field by M. Micenko Amp I itude-versus-offset (AVO) analysis, in conjunction with seismic...
1993
ABSTRACT Geopressure Impact on Seismic Interpretations: Case Histories from the Gulf of Mexico , #90104 (2010)
Shaker Selim S.
Search and Discovery.com
... of subsurface geopressure on seismic velocity is significant, but not well documented. Understanding how this effect influences seismic attributes...
2010
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