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The AAPG/Datapages Combined Publications Database
Showing 33,411 Results. Searched 196,360 documents.
Abstract: AVO and Anisotropy from Logs and Walkaways, by S. W. Leaney and W. E. Borland; #90982 (1994).
Search and Discovery.com
1994
Effects of Overburden Anisotropy and Vertically Aligned Fractures on P-Wave Azimuthal AVO Responses
Fatkhan, Yudi Yanto, Nofri Faruza Said
Indonesian Petroleum Association
... AVO response for fluid saturated fractures overlain by isotropic and anisotropic shales is modelled in Figure 2. The effect of shale anisotropy is again...
2005
Observations of Azimuthal Anisotropy in Prestack Seismic Data, #41572 (2015).
David Gray
Search and Discovery.com
... AVO can be seen on the event just below 2000 ms, as well as on many other events, after the azimuthal velocity effect has been removed. Figure 4 shows...
2015
Seismic reservoir characterization in a VTI anisotropic media: Case study in Malay Basin
Amir Abbas Babasafari, Deva Prasad Ghosh, Seyed Yaser Moussavi AlAshloo, Yasir Bashir, Chica Sambo, Ahmed M.A. Salim
Geological Society of Malaysia (GSM)
...-uniform stress also has effect on changing an isotropic reservoir to anisotropic reservoir. In clastic sediments, anisotropy can arise during and after...
2018
Abstract: Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia, by Thariq Guntoro, Intan Andriani Putri, and Dwa Desa Warnana, #90188 (2014)
Search and Discovery.com
2014
Anisotropy
Search and Discovery.com
N/A
Abstract: Pore Pressure Inversion using AVO Information. The Influence of Overburden Changes on Pore Pressure Quantification; #90211 (2015)
Petar Angelov, Rob Arts, Kees Wapenaar
Search and Discovery.com
... effect, 3) Effect of weak anisotropy in the overburden. Literature studies show that the ab solute changes in the seismic attributes are less...
2015
Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia; #41360 (2014)
Thariq Guntoro, Intan Andriani Putri1, and Dwa Desa Warnana
Search and Discovery.com
.... In this paper, the effect of clay content to the anisotropy analysis in sandstone reservoir is discussed. The case study is in G402 well...
2014
Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia
Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure
International Meeting for Applied Geoscience and Energy (IMAGE)
... option involves the use of seismic anisotropy attributes derived from azimuthal variations of seismic velocity, AVO Gradient or Vp/Vs ratio. Assuming...
2023
Abstract: Practical Applications of Seismic Anisotropy; #90187 (2014)
Philip Wild
Search and Discovery.com
... offset (AVO) signature when the wave is reflected from the top or base of an anisotropic material, and a second exploits the polarizing effect...
2014
Case Study: Can We Use Angle Gathers to Detect Fracture Distribution of Carbonate Reservoir in Rama Field?
Zha Chaoyang, Sun Pengxiao, Shen Xiaohong, Wen Shuliang, Tang Donglin, Heng Liqun
Indonesian Petroleum Association
... that it can have a large effect on the AVO response based on the study of anisotropy AVO synthetics. As for seismic data, we can consider the near offset data...
2013
Fracture-Porosity Identification from Anisotropy AVO and Fluid Substitution Modelling in Seismic 2D Data
Septian Prahastudhi, Tenny Octaviani, Ayi Syaeful Bahri, Yulia Putri Wulandari
Indonesian Petroleum Association
...Fracture-Porosity Identification from Anisotropy AVO and Fluid Substitution Modelling in Seismic 2D Data Septian Prahastudhi, Tenny Octaviani, Ayi...
2012
Azimuthal AVO Gradient Anisotropic Analysis on Prediction of Fractures on Barnett Shale
Shiguang Guo, Bo Zhang, Tengfei Lin, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
.... By co mparing the azimuthal A VO gradient variat ion, we generate the AVO gradient anisotropy for prediction of natural fractures. Strike-slip...
2013
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
... between the sandstone and coal increases as the degree of fracturing in the later increases. Therefore, this effect should impact the measures of AVO...
1997
Improved TOC and Lithology Prediction for Wolfcamp Shales Using AVO Attribute Analysis
Jaewook Lee, Un Young Lim, David Lumley
Unconventional Resources Technology Conference (URTEC)
... approximations because the latter are limited to weak impedance contrasts and weak anisotropy. The modeled AVO responses show that the seismic velocities...
2020
Abstract: Value Addition by Walkaway VSP, Offshore India, by Nidhi Jindal, Prativadi Jyothi, Sanjay Tiwari, Ajoy Biswal, Pranaya Sangvai, and Ravi Bastia; #90081 (2008)
Search and Discovery.com
2008
P-Wave Azimuthal Anisotropy and Its Application in Sandstone-Conglomeratic in Yani Oil Field
Zha Chaoyang, Shen Shuirong, Hairunnisa, Xia Tianfang
Indonesian Petroleum Association
... seismic anisotropy analysis and by geo-mechanical modeling. To identify the effects of fracture density and fluid contents on azimuthal AVO responses...
2008
Correcting and Exploiting Shale Anisotropy Effect on LWD 2 MHz Resistivity Devices in Horizontal Drilling/Logging
C. Jackson, T. Hagiwara
CSPG Special Publications
...Correcting and Exploiting Shale Anisotropy Effect on LWD 2 MHz Resistivity Devices in Horizontal Drilling/Logging C. Jackson, T. Hagiwara 1995 81 81...
1995
Estimation of Total Organic Carbon (TOC) Content of Shale from AVO Inversion: A New Crossplot Approach Based on Zoeppritz Equations
Un Young Lim, Richard Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
... an accurate solution based on the assumption of weak contrast and weak anisotropy. For this reason, AVO inversion based on above equations does...
2019
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... the anisotropy parameters from the nonhyperbolic moveout effect on the offset gathers and azimuthal amplitude variances on azimuth gathers. Figure 2 illustrates...
2016
Rock Physics Study of Coal Bed Methane Reservoir Rock: Case Study of Muaraenim Coal
Bagus Endar B. Nurhandoko, Susilowati, Usep M. Ishaq, Hussein Rudiyanto, Y. Wiyanto, Budi Sulistyanto, Mahatman L. Budi, Kaswandhi Triyoso, KiskoRiondo Siahaan, Wahyu E. Abdillah, Danang Kusudiharjo
Indonesian Petroleum Association
... characterization methodology, from the pore structure, fracture and their effect of fluid saturation in seismic wave parameters including AVO modeling using...
2012
Abstract: Studying the Tuning Effect from AVO Intercept and Gradient Cross-Plots, Using Pre-Stack Wedge Models, by Sbonelo N. Ngcongo; #90082 (2008)
Search and Discovery.com
2008
Eye-Openers from Re-Processing of Oil Sands Seismic Data; #41290 (2014)
David Gray, Seann Day, and Scott Shapper
Search and Discovery.com
... amplitude versus offset (AVO) techniques applied to wide-angle seismic data. Modern 3D seismic data acquired over oil sands plays typically has sufficient...
2014
Seismic Detection of Gas in Cretaceous Sandstones and Fractured Sandstones
Walter E. Johnson, William T. Brown Jr., James B. Peterson
Rocky Mountain Association of Geologists
... of seismic data, knowledge of petrophysics, seismic modeling, and the advent of AVO technology have all combined to make it possible to observe...
1995
Abstract: A New Method of Multiple Attenuation: Multiple Identification and Subtraction (II); #90171 (2013)
Wen-Jing Wu
Search and Discovery.com
... on pattern identification, does not. A simple synthetic model was created to investigate the effect of multipleattenuation on AVO signal (Figure 2a...
2013