Statistical rock physics analysis and modelling in the Browse Basin

Shuichi Desaki, Yuki Kobayashi, Peter Miklavs

Petroleum Exploration Society of Australia (PESA)

... respectively. As the Vcl of non-EM-shale becomes smaller, the Vp becomes higher and the AVO intercept becomes smaller. Figure 12. Effect of Vcl on AVO...

Sandstone Reservoir Distribution of Cibulakan Formation Using Seismic Inversion Method: Extended Elastic Impedance (EEI), in Cemara Field, North West Java Basin

M. Rizky Harun, Lutfie Arlan Sandria, Asri Surya Ilhami, Adang Sukmatiawan, M. Razi

Indonesian Petroleum Association

... as input for creating model. o Create EEI Reflectivity From AVO analysis, intercept and gradient reflectivity can be derived EEI reflectivity at desired χ...

Validation of seismic attributes as hydrocarbon indicators

Natt Srisutthiyakorn, Katy Wei, Antoine Vial Aussavy, Ahmad Zamanian, Olga Rodina, Stephan Gelinsky

International Meeting for Applied Geoscience and Energy (IMAGE)

... to hydrocarbon indicators. They include AVO intercept and gradient, Far minus Near, the so-called Fluid Factor, and many more (Chopra and Marfurt, 2005; Brown...

Estimation Of Effective Porosity and Saturation Volume by Extended Elastic Impedance Approach: A Case Study, #41101 (2012)

Sumit Verma, Samir Biswal

Search and Discovery.com

...) (and saturation (Sw)) log was determined. The next step was to compute AVO intercept (A) and gradient (B) from seismic gather. Further, equivalent seismic volumes...

Study on fluid discrimination method based on prestack frequency-dispersion characteristics

Lien Bian, Jun Ming, Yuxiu Wang, Qian Yu

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Petroleum Geologists REFERENCES Castagna, J. R., H. W. Swan, and D. J. Foster, 1998, Framework for AVO gradient and intercept interpretation...

Drilling Using AvO to Reduce Uncertainties in D35 Infill

Meh Jabeen Zainuddin

Geological Society of Malaysia (GSM)

...Drilling Using AvO to Reduce Uncertainties in D35 Infill Meh Jabeen Zainuddin GeoL. Soc. MaLaytlia, BuLLetin 42, December 1998; pp. 47-53 Drilling...

The Prospectivity of the Late Triassic Intervals in the Outboard Exmouth Plateau, Western Australia

Tom Paten

Australian Petroleum Production & Exploration Association (APPEA) Journal

...) products, such as intercept and gradient and derivative volumes, allowing a reliable AVObased prospectivity screening to be applied to the area for further...

De-Risking a Gas Development Using Geophysical Methods; #41086 (2012)

Alessandro Mannini, Phil Rawstron, Shin Ni Chai, and Andrew Spedding

Search and Discovery.com

... with the objectives of improving signal-to-noise, removing multiples and generating near/far-trace data for AVO analysis. A further reprocessing campaign...

Getting it Right the First Time in the Ceduna Sub-Basin: Regional and Target Depth Imaging in a Frontier Setting

Weidi Koh

Australian Petroleum Production & Exploration Association (APPEA) Journal

... amplitude maps, frequency spectra and AVO profiles. Intercept and gradient plots are also generated after migration. Summary and conclusion...

Abstract: Integration of Time-lapse Seismic Analysis with Reservoir Simulation; #90187 (2014)

Naimeh Riazi, Laurence Lines, and Brian Russell

Search and Discovery.com

... (1997) used time-lapse amplitude differences as input data. Dadashpour et al (2009) and Landrø (2001) used zero offset amplitude and AVO gradient...

Abstract: Seismic Lithofacies Prediction Using AVO-Analysis: Application to a North Sea Deep-Water Clastic System, by P. Avseth, G. Mavko, and T. Mukerji; #90933 (1998).

Search and Discovery.com

Seismic Attribute Studies of the Flinders Amplitude Anomaly - Gulf of Papua

D. Schmidt

Papua New Guinea (PNG) Petroleum Convention Proceedings

.... gathers. I*G is the product stack of the Intercept and Gradient. The Delta Rp measurement is the separation of any point on a cross-plot of I against G...

Wave-equation based amplitude versus offset inversion in long time windows, with time-variant wavelets

Dries Gisolf, Peter R. Haffinger

International Meeting for Applied Geoscience and Energy (IMAGE)

..., The Netherlands Summary In this paper we present a synthetic example and a real data example of AVO inversion in long time windows. Two aspects of long time...

Anisotropic 3D Amplitude Variation with Azimuth (AVAZ) Methods to Detect Fracture-Prone Zones in Tight Gas Resource Plays, #41531 (2015).

Bill Goodway, John Varsek, Christian Abaco

Search and Discovery.com

... of generality is unlike the isotropic AVO type gradient classification (Rutherford and Williams 1989) that is diagnostic of changes in Vp/Vs ratio...

Gabon: Staying Ahead of the Herd in the Ultra-Deep Waters

Jake Berryman, Gregor Duval, CGG

GEO ExPro Magazine

... km) Gabon South Basin 3D BroadSeis (25,168 km2) Insert on main foldout line: AVO gradient intercept plot. BSR SW NE 5 6 Albian/Turonian...

Machine learnings and lessons learned on improvements to Castagnas mudrock, Gardners density, and Fausts velocity estimation

David J. Emery, Marcelo Guarido, Brian Russell, Daniel Trad

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 1998, Framework for AVO gradient and intercept interpretation: Geophysics, 63, 948–956, doi: https:// doi.org/10.1190/1.1444406. Chen, T. and C...

A Multidisciplinary Approach to Inversion Feasibility Analysis for an Unconventional Reservoir Characterization

Venkatesh Anantharamu, Lev Vernik, Yoryenys Del Moro, Alfonso Quaglia, Eduardo Carrillo

Unconventional Resources Technology Conference (URTEC)

... in the elastic properties, carbonate over organic rich facies give a stronger intercept and a much steeper AVO gradient. Figure 7: Blocky AVO model for two...

Value of elastic full-wavefield inversion in derisking clastic reservoirs in presence of noise

Partha Routh, Soumya Nayak, Jake Dorsett, Kaushik Banerji, Young Ho Cha, Vijay Gottumukkula, Gopal Palacharla, Vikas Gudipati, Ramesh (Neelsh) Neelamani, Seth Conway, Andrea Raphael

International Meeting for Applied Geoscience and Energy (IMAGE)

...-limited Pimpedance shown in Figure 4(a). The A+B, where B is AVO gradient, is a good proxy for bandlimited Vp/Vs contrast. The A+B extraction shown...

Abstract: Azimuthal Fourier Coefficient Elastic Inversion; #90174 (2014)

Benjamin Roure and Jon Downton

Search and Discovery.com

... form as the classic 3-term AVO expression. In this modified form Aiso, Biso and Ciso are respectively the intercept, gradient and curvature...

Three-Dimensional AVO Analysis and Anisotropic Modeling Applied to Fracture Characterization

A. Ramos, T. Davis, R. Benson

CSPG Special Publications

...Three-Dimensional AVO Analysis and Anisotropic Modeling Applied to Fracture Characterization A. Ramos, T. Davis, R. Benson 1994 128 128...

3-D AVO and migration

David Gray, Taiwen Chen, Bill Goodway

CSPG Special Publications

...3-D AVO and migration David Gray, Taiwen Chen, Bill Goodway 1998 157 158...

EXTENDED ABSTRACT: Getting the Benifits of AVO Inversion

Jon Downton

CSPG Special Publications

...EXTENDED ABSTRACT: Getting the Benifits of AVO Inversion Jon Downton 1998 354 356...

A Reconnaissance AVO Analysis of the Queen Charlotte Basin

Graig Sutherland, Kristin Rohr, N. Ross Chapman

CSPG Special Publications

...A Reconnaissance AVO Analysis of the Queen Charlotte Basin Graig Sutherland, Kristin Rohr, N. Ross Chapman 2001 335 335...

Offshore Somalia: The Chase Is On!

Karyna Rodriguez, Neil Hodgson, David Eastwell, Abdulkadir Abiikar Hussein, MOPMR, Spectrum

GEO ExPro Magazine

... for the early post-rift Upper Jurassic candidate source rock. Left: intercept gradient plot. Sequence plots as Type 4 AVO anomaly. Right: acoustically soft top...

Abstract: New AVO Classification to Develop High-Quality Prospects in the Gulf Coast

Roger A. Young

Houston Geological Society Bulletin

...Abstract: New AVO Classification to Develop High-Quality Prospects in the Gulf Coast Roger A. Young 2004 23 23 47 1 A new classification for AVO...