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The AAPG/Datapages Combined Publications Database

Showing 25,998 Results. Searched 190,031 documents.

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Abstract: P- and S-Wave Velocity Measurements and Pressure Sensitivity Analysis of AVA Response; #90211 (2015)

Tiewei He and Douglas Schmitt

Search and Discovery.com

...Abstract: P- and S-Wave Velocity Measurements and Pressure Sensitivity Analysis of AVA Response; #90211 (2015) Tiewei He and Douglas Schmitt...

2015

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

... suited for velocity anisotropy and azimuthal AVA determinations. The AVAZ approach measures the changes in amplitude variation with reflection angle...

2014

Abstract: Mapping Lithological Heterogeneity in Athabasca Oil Sand Reservoirs Using Surface Seismic Data: Case History; #90171 (2013)

Yong Xu and Satinder Chopra

Search and Discovery.com

... the formation and weak correlation between seismic (P impedance or reflectivity) and lithology, “normal” attempts at geologic interpretation usually prove...

2013

Reflection Seismogram in a Solid Layered Earth: ABSTRACT

Milo M. Backus, Filho Nepomuceno, Jingzhong Cao

AAPG Bulletin

... of compressional and shear velocity variations. The expected variation in reflectivity with offset in clastic basins suggests that we should seriously...

1983

Reservoir Characterisation Through Integrated AVO, AI and EI Inversion

Andy Furniss

Indonesian Petroleum Association

...) are the most widely used in AVO studies. The Shuey equation relates reflectivity at a given angle, R(θ), as a function of normal incidence reflectivity...

2002

Hydrocarbon Expression on Low-Impedance AVO: A Phenomenon of Amplitude Reversal

W. Waluyo

Indonesian Petroleum Association

... offset or angle of incidence. The calculated reflectivity of Model 3 is shown in Figure 4. This model is similar to Model 2, however the concentration...

2002

Abstract: Kirchhoff Prestack Time Migration with Angle Domain Common Image Gathers; #90174 (2014)

Jianhua Pan, Robert Tilson, Gerry Schlosser, and Elvis Floreani

Search and Discovery.com

... be obtained from seismic data by processing in common angle gathers. Instances of these benefits are amplitude-versus-angle (AVA) analysis with the specific...

2014

Learning from 40 Years Experience: Risking Seismic Amplitude Anomaly Prospects; #110139 (2010)

Mike Forrest

Search and Discovery.com

... with offset/angle (AVO, AVA): prestack data, seismic gathers, offset/angle stacks, cross-plots (actually “change in AVO”) Phase (Polarity) Change: seismic...

2010

Pre-Messinian Tight Reservoir Characterization „Western Nile Delta, Egypt; #11317 (2020)

Trisakti Kurniawan, Hasnor Farhana Hasnan, M Adni B Wahab, Wahyu Prasetyotomo, Christian Brinzer, Alessandro Mannini

Search and Discovery.com

... to capture uncertainty in thickness, tuning, and variation in reservoir effectiveness. Anisotropy as another factor was also considered in the model...

2020

AVO Inversion in Marine Gas Hydrate Studies; #41603 (2015)

Marc-André Chen, Stan Dosso, George Spence, Michael Riedel, Roy Hyndman

Search and Discovery.com

... and free-gas from suitable multichannel seismic (MCS) data is the study of BSR amplitude variation with offset (AVO), a method commonly used for hydrocarbon...

2015

Abstracts: Fluid Substitution and Seismic Modelling in a Sandstone Aquifer; #90173 (2015)

Virginia C. Vera and Don C. Lawton

Search and Discovery.com

... saturation stages: 0%, 20% and 60%. Figure 5 confirms that the reflectivity diminishes with the increment in the incident angle. All the curves have the same...

2015

Seismic Lithology and Pitfalls in Seismic Porosity Detection: ABSTRACT

D. R. Balogh, W. Barney, D. Harvey, G. W. Snyder

AAPG Bulletin

... reflectivity to be estimated from the offset variation. The results of this procedure show greater continuity and geologic interpretability. More important...

1985

Abstract: Physical Testing of the Effect of Tilting on the Reflection Coefficient in an Anisotropic Material; #90172 (2014)

Miryam Ortiz-Osornio, Douglas R. Schmitt

Search and Discovery.com

..., the reflectivity curves for the tilted media with the dipping angle of 45° show strong dependence on the azimuth. One can clearly observe that the larger...

2014

Perceiving the Unseen Hydrocarbon Play Potential Grounded by Seismic Reservoir Characterization and Well Data in the Gumai Formation, South Sumatera, Indonesia

Haryono Haryanto, Wahyudin Bahri Nasifi, Indah Edria Amorita, I Wayan Ardana Darma, Trisakti Kurniawan, Fithra H. Darmawan, Azli B. Abu Bakar, Randy Condronegoro, Andri Syafriya

Indonesian Petroleum Association

... in reflectivity coefficient character as a function of offset/angle. However, this attribute is not used in this study due to the unavailability of angle...

2017

Recent Advances in the Characterization of Unconventional Reservoirs with Wide-Azimuth Seismic Data

Ran Bachrach, Colin M. Sayers, Sagnik Dasgupta, Josimar Silva, Stefano Volterrani

Unconventional Resources Technology Conference (URTEC)

..., similar to the conventional isotropic Amplitude Versus Angle (AVA) where shear information is known to be better resolved than is density. Figure 2...

2013

Machine Learning Technology to Improve Precision and Accelerate Screening Shallow Gas Potentials in Tunu Shallow Gas Zone, PT Pertamina Hulu Mahakam

Ronald Herbet, Debrina Sugiharto, Cepi M-Adam, Andrean Satria, Khairul Ummah

Indonesian Petroleum Association

... that the most important features are far sweetness and Amplitude Variation with Angle (AVA) 450. SHAP shows an increasing gas trend correlate...

2021

Abstract: Q Effects on Thin-bed AVO/AVF Analysis; #90224 (2015)

Wenyong Pan and Kris Innanen

Search and Discovery.com

... the imaginary parts of and , but these effects are weaker. Introduction In amplitude-variation-with-offset (AVO) techniques, seismic reflection amplitudes...

2015

Fracture Characterization of the Montney Formation Using Amplitude Inversion of Converted Wave Seismic

Tyler L. MacFarlane, Thomas Davis

Unconventional Resources Technology Conference (URTEC)

... to the formations crack density, and produces an azimuthal signature in converted wave seismic amplitudes. Amplitude variation with angle (AVA...

2015

Uncovering Seismic HTI Anisotropy of the Cooper Basin

Stephanie Tyiasning, Dennis Cooke

Petroleum Exploration Society of Australia (PESA)

... in Anisotropic Media: Society of Exploration Geophysicists. Rüger, A., 1998, Variation of P-Wave Reflectivity with Offset and Azimuth in Anisotropic Media...

2016

Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)

Paul F. Anderson

Search and Discovery.com

... to an equation that relates the reflectivity at a given angle (offset) to P-wave and S-wave reflectivities. The gathers, as delivered by the processor...

2013

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