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The AAPG/Datapages Combined Publications Database
Showing 2,563 Results. Searched 200,626 documents.
Seismic Detection of Source Rocks
Ian Davison, Karyna Rodriguez, David Eastwell
GEO ExPro Magazine
... 400 4000 3985 3970 3956 200 Gradient Figure 4: AVO analysis of the source rock reflector and ‘background’ shale reflectors using the Hampson-Russell...
2018
Well-Log Conditioning and Rock Physics Modeling: A First Step in Seismic Reservoir Characterization
Mayesta O. Gunarto, Bambang Irawan
Indonesian Petroleum Association
... as sw decreases. In the intercept (A)-gradient (B) crossplot, the gradient of top sand also increases indicating a class-2/3 AVO anomaly. Figure 16...
2010
Petrophysics and Rock Physics Modeling to Improve Seismic Reservoir Characterization Case Study of Lower Hackberry Sandstone; #40774 (2011)
Robert Y. Hu, Ted Holden, and Mary Broussard
Search and Discovery.com
... in the absence of gathers Predict AVO response: reflectivity intercept and slope are not very sensitive to fluid type. 12 12 AVO Attributes in Half-Space...
2011
Seismic Interpretation Methodology for Fluvial Sandstone Reservoirs in Widuri Field, Offshore Southeast Sumatra, Indonesia
D. C. Carter, W. E. Harmony, L. Harvidya, G. Juniarto, S. Lestari, A. Purba
Indonesian Petroleum Association
... form of the Zoeppriz equation, the AVO gradient (G) and intercept (P) describe these variations. P & G combine to give a stack at a particular angle...
2002
Extended Elastic Impedance (EEI) Approach for Telisa Sandstones Reservoir Characterization Case Study: Lambda-Mu-Rho (LMR) Analysis
Antoni Bahar MH, Ari Setiawan, Syahrial Rakimi, Yudi Yanto
Indonesian Petroleum Association
... line is the best fit through these amplitudes. The line is defined by its intercept and gradient; traditional Amplitude Variation with Offset (AVO...
2007
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)
... results in the following three types of displays: Zero offset prediction or intercept (Ro) Gradient, by linear or curvature fit of amplitude versus...
1990
The Great Australian Bight From AVO Prospectivity Screening to Potentially Drillable Targets in One of the Worlds Remaining Untapped Basins
Dushyan Rajeswaran, Marcin Przywara
Australian Petroleum Production & Exploration Association (APPEA) Journal
... sections and intercept-gradient cross-plots after specific processing milestones to manage the progressive improvement of results. This included passes...
2017
Poststack Processing Steps for Preconditioning Seismic Data; #42399 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
... data analysis, such as extraction of amplitude-versus-offset (AVO) attributes (intercept/gradient analysis) or simultaneous impedance inversion...
2019
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)
.... Conclusions • • • • Plotting P-wave reflection coefficient (Rp) and Gradient (G) attributes reveals an AVO anomaly at about 635 ms TWT, which...
2006
Biogenic Gas Exploration and Development in Bentu PSC
R. W. Yuwono, B. S. Fitriana, P. S. Kirana, S. Djaelani, B. A. Sjafwan
Indonesian Petroleum Association
... intercept (A) and gradient (B). Rutherford and Williams (1989) derived the classification scheme for AVO anomalies, with further modifications by Ross...
2011
Biogenic Gas Exploration and Development in Bentu PSC, Central Sumatra Basin, Indonesia; #10454 (2012)
R. W. Yuwono, B. S. Fitriana, P. S. Kirana, S. Djaelani, and B. A. Sjafwan
Search and Discovery.com
... offset (AVO) interpretation is facilitated by cross-plotting the AVO intercept (A) and gradient (B). Rutherford and Williams (1989) derived...
2012
Rock Physics Driven Seismic Modeling of CO2 Injection in a Carbonate Reservoir from Canada, #80485 (2015).
Malleswar Yenugu, Ben Hardy, Alan Mur, Jeremy Gallop, Cristian Malaver
Search and Discovery.com
... interface and at the maximum positive reflection at the VuggyFrobisher interface • The average intercept and gradient as well as percent change (from...
2015
Abstract: 4D Seismic Analysis of Reservoir Sands Overlying a Salt Structure (Geophysics Paper 22)
Haziqah Othman, Shuhadah Basaharudin, Salbiah M Sahad, Salbiah Isa, MK Sengupta, M Firdaus A Halim
Geological Society of Malaysia (GSM)
.... Geophysics. pp. 1655-1658. LANDRO, 2001. Time-lapse AVO Intercept and gradient method. Geophysics. pp 66, 836-844. FLORICICH, MACBETH and STAPLES, 2005...
2011
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
... were integrated with the available well control. Intercept and gradient volumes were used to generate various relative attribute volumes. Chi angle...
2022
Abstract: Risk Assessment in Seismic Direct Hydrocarbon Detection, by S. G. Truxillo; #90933 (1998).
Search and Discovery.com
1998
An Empirical Study of the Generalized Fluid Method for Hydrocarbon Discrimination
Search and Discovery.com
... parameters are called intercept, gradient, and curvature. Fatti et al. (1994) give us the weighted zero-offset P-wave and S-wave reflectivities...
2013
Seismic amplitude variation with angle response of hydrogen-saturated rock: Implications on subsurface monitoring
Chao Li, Shuvajit Bhattacharya
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Swan, and D. J. Foster, 1998, Framework for AVO gradient and intercept interpretation: Geophysics, 63, 948–956, doi: https:// doi.org...
2024
GeoStreamer X Delivers Near-Field Multi-Azimuth Dataset for Accurate Lead Characterisation, South Viking Graben, Norway
Cyrille Reiser, Eric Mueller, PGS
GEO ExPro Magazine
... scale) a relative Vp/Vs section is overlaid. This attribute has been extracted from all azimuths and from the isotropic gradient and intercept...
2021
Seismic Amplitude Versus Offset (AVO) Character of Geopressured Transition Zones
John N. Louie and Abu M. Asad
AAPG Special Volumes
...Seismic Amplitude Versus Offset (AVO) Character of Geopressured Transition Zones John N. Louie and Abu M. Asad 1994 131 137 M 61: Basin Compartments...
1994
Case History: Rulison Field, Colorado, Fracture Detection, Mapping, and Analysis of a Naturally Fractured Gas Reservoir Using P-wave Reflection Seismic
Heloise B. Lynn, K. Michele Simon, Vello Kuuskraa, Dave Decker
Four Corners Geological Society
... best correlated with commercial gas pay were: the interval velocity ratio (N60E/N30W) and the sum of the interval AVO gradient (N60E + N30W...
1999
Abstract: Practical Examples of the Use of Seismic Amplitudes for Predicting Lithology, by A. C. Kemp, J. W. Gallagher, and A. K. Jorstad; #90951 (1996).
Search and Discovery.com
1996
Seismic Anisotropic Fracture Characterization using Azimuthal Amplitude versus Angle (AVAZ) Combined with Azimuthal Frequency versus Angle (FVAZ)
Salah El Din R Mahmoud, Hassan Al-Marzooqi, Maryam Alqaydi, Amna Alharthi, Muhammad Z. Baig, Abdulla A. Al-Hashmi
Unconventional Resources Technology Conference (URTEC)
... (frequency versus Angle) volumes at the partial near and far angle stack volumes. AVAZ and FVAZ gradient and intercept volumes were calculated from the near...
2022
Fracture Detection Interpretation Beyond Conventional Seismic Approaches, #41035 (2012)
Gary Jones, Rocky Roden
Search and Discovery.com
... extracted and cross plotted. Shown here are the Shuey 2 Term • RC= A + B*Sin2(θ) A = Intercept B = Gradient θ = Angle of Incidence The cross plot is based...
2012
Polynomial Amplitude versus Azimuth Inversion in Horizontally Transverse Isotropic Media, as Tested on Fractured Coal Seams in the Surat Basin
Joseph Kremor, Randall Taylor, Khalid Amrouch
Australian Petroleum Production & Exploration Association (APPEA) Journal
... (AVO) gradient equations in HTI media are presented herein and the amount of error associated with previous approximations is also defined under...
2017
Onshore/Fort Bend Co., TX #1
Keith Potter
Houston Geological Society
... seismic amplitudes, AVO, product gradient and fluid factor information. Well control provided AVO and amplitude qualification and calibration to both wet...
2003