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The AAPG/Datapages Combined Publications Database
Showing 2,356 Results. Searched 195,364 documents.
AVO Attributes of a Deep Coal Seam
Search and Discovery.com
... of AVO for coal-bed methane: Geophysics, 71, C49–C56. Figure1: Modeled brine saturated shaly sand P- and S-wave velocity and density versus clay...
2013
The Effects of Seismic Data Conditioning on Pre-Stack Simultaneous Impedance Inversion
Scott W. Singleton
GCAGS Transactions
... and in the inversion. Specifically, the gathers were measured for amplitude versus offset (AVO) fit using a two-term Shuey equation and found to be improved by 20...
2008
AVO Analysis of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma
Eric Kubera
Oklahoma City Geological Society
...AVO Analysis of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma Eric Kubera 1997 7 14 Vol. 48 (1997) No. 1. (July/August...
1997
PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study
Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang
Unconventional Resources Technology Conference (URTEC)
... is believed to be caused by a thickening alluvial wedge. Figure 2: Starting velocity model (left), derived from time migration velocity analysis, versus final...
2013
PSDM for unconventional reservoirs? A Niobrara Shale case study; #80405 (2014)
Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez, Dave List, Chris Lang
Search and Discovery.com
... a bulk overburden effect. Amplitude versus azimuth (AVAZ) methods may prove more fruitful because they vary contrasts in HTI parameters. Ruger (1997...
2014
Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).
Samuel Gray
Search and Discovery.com
... as a function of opening angle rather than offset (AVA vs. AVO). Another type of CIG, occurring naturally in migrations that use a synthesized linear...
2015
Time Lapse Feasibility Seismic Study of Gas Carbonates Reservoir in Tetra Field, Indonesia
Helmi Indrajaya, Boris Gurevich, Maxim Lebedev, Sigit Sukmono
Indonesian Petroleum Association
... condition will increase in water saturation and the effect on seismic properties will in increase velocity and density. * PT. Pertamina EP...
2014
Abstract: AVO Analysis of Long Offset Seismic Data Using 3-D Graphical Analysis
Fuping Zhu, Richard L. Gibson
GCAGS Transactions
... AVO intercept (A) and gradient (B) crossplotting is widely used for detecting anomalous elastic properties that may be indicative of hydrocarbons...
2001
Abstract: Reconnaissance Amplitude Versus Offset Techniques in the Niger Delta, by J. Barton and K. Gullette; #90951 (1996).
Search and Discovery.com
1996
ABSTRACT: AVO Analysis of High-Impedance Sandstone Reservoirs, by Carolyn P. Peddy and Mrinal K. Sengupta; #91019 (1996)
Search and Discovery.com
1996
Abstract: Seismic AVA as an Exploration Tool in the Magdalena Basin Offshore Colombia, by Fasnacht, Timothy and Frost, Brian R.; #90166 (2013)
Search and Discovery.com
2013
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
... characteristics. Then, anisotropic AVO (Amplitude Versus Offset) equation is used to extract synthetics seismogram from isotropy and anisotropy model...
2014
Abstract: Maximize the Potential of Seismic Data in Shale Exploration and Production Examples from the Barnett Shale and the Eagle Ford Shale; #90187 (2014)
Joanne Wang and Duane Dopkin
Search and Discovery.com
... orientation through anisotropic velocity analysis and azimuthal AVO technique. Geomechanical property generation requires input of reflection angle data...
2014
P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta
Faranak Mahmoudian
Search and Discovery.com
... for the third parameter; also the estimates plots confirm this. To examine the damping factor effect on the AVO inversion estimates, a damping factor, İ...
Unknown
P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta
Faranak Mahmoudian
Search and Discovery.com
... for the third parameter; also the estimates plots confirm this. To examine the damping factor effect on the AVO inversion estimates, a damping factor, İ...
Unknown
An Example of 3-D AVO for Lithology Discrimination in Widuri Field, Asri Basin, Indonesia
Steven W. Smith, Larry Danahey, Romina Himawan, William E. Harmony, H. Lee Gilmore, John W. Armon, Tony L. Bowman, Wayne Smith
Indonesian Petroleum Association
... decreasing AVO while sand has flat AVO response (no change in amplitude with offset). AVO attributes P and G or intercept and gradient inverted from 3-D...
1995
Abstracts: Time-Lapse VSP Data Analysis from Weyburn CO2 Project; #90173 (2015)
Amin Baharvand Ahmadi, Igor Morozov
Search and Discovery.com
... VSP data We used the two-term approximation to calculate the AVO intercept (Rp) and gradient (G) (Aki and Richards, 1980): R R p GSin 2 , (1...
2015
Abstract: A New Method of Multiple Attenuation: Multiple Identification and Subtraction (II); #90171 (2013)
Wen-Jing Wu
Search and Discovery.com
... at offset x=0 and v is velocity. It is not a function of offset. The AVO signal would not be preserved as a primary and be treated as coherent noise...
2013
ABSTRACT: Low Gas-Saturation Effect on AVO Response; #90120 (2011)
Perveiz Khalid, Farrukh Qayyum, and Daniel Broseta
Search and Discovery.com
... in fluid properties. The results show that a velocity push down effect appears, as the free gas saturation generates stronger AVO response than obtained...
2011
Abstract: Amplitude Variation with Offset and Sandstone Reservoir Characterization, Shallow Offshore Niger Delta; #90255 (2017)
Olawale Allo, Elijah Ayolabi
Search and Discovery.com
... and conceptual illustrations of the log and seismic based Lambda-Mu-Rho showing the changes in gradient and intercept in the plots of Lambda-Rho versus Mu-Rho...
2017
Advances in Geophysical Techniques for the Detection of Drilling Hazards and Their Application to Seismic Exploration
D. C. N. Pratt, Tong Pow Mun
Southeast Asia Petroleum Exploration Society (SEAPEX)
... it allows interpretive techniques such as “Direct Hydrocarbon Indicators” (DHI) and Amplitude Versus Offset (AVO) to be more successfully applied...
1990
Developing a New Technique Through Partnering with Contractors: Reservoir Prediction Utilizing AVO Walkaway VSP Data to Calibrate Surface Seismic Gathers, a Case Study in Indonesia
Patricia L. C. Henderson, Dan Hampson, Scott Leaney, Nigel Smith, John Rice, Dave Boreham
Indonesian Petroleum Association
... gathers and assessed the validity of the 3D data versus 2D data for AVO analysis. Many points of the processing sequence are under further development...
1994
Interpretation and De-Risking of Ultra-Deep Water Prospects in the SEAL Basin, Brazil, Using a Cognitive Interpretation Approach and High Integrity AVO Information
Search and Discovery.com
N/A
Abstract: Quantitative Predication for Reservior Porosity via AVO; #90187 (2014)
Li Ang, Chen Shumin, Zhang Erhua, and Ju Linbo
Search and Discovery.com
... the variation of seismic amplitude versus offset offsets. The AVO type of fuyu pay is Class I, there is almost no difference between oil sand and non-oil sand...
2014
Seismic Anisotropy VTI Modeling and Mechanical Properties of Kerogen in Gas Shale, #42486 (2020).
Anggoro S. Dradjat, Agus Djamil, M. Firwan Aprizal
Search and Discovery.com
... (1993) showed that VTI response could be added the AVO (Amplitude Versus Offset) response of Aki-Richards equation and the modified by using parameter...
2020