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The AAPG/Datapages Combined Publications Database

Showing 2,074 Results. Searched 195,354 documents.

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Integration of geology, rock physics, logs, and prestack seismic data for reservoir porosity estimation

Abdulaziz M. AlMuhaidib, Mrinal K. Sen, M. Nafi Toksoz

AAPG Bulletin

... the P-impedance and porosity using well-log data. An amplitude-versus-angle seismic inversion algorithm was used to invert the three-dimensional...

2012

Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir

Carmen C. Dumitrescu, Larry Lines

AAPG Special Volumes

... on the migrated stack and on amplitude-versus-offset (AVO) attributes (P- and S-wave impedance reflectivity). Examples provided in this chapter are from...

2013

Seismic Attributes for Reservoir Property Prediction„ A Review (Geophysics Poster 16)

Muhammad Sajid, Zuhar Zahir Bin Tuan Harith

Geological Society of Malaysia (GSM)

... reflectivity increases with the decrease of frequency and increase with water saturation, usually the low frequency anomaly is associated...

2011

Seismic Foldout: Revealing a Promising New Play Concept in the Salar Basin, Offshore Canada

Yermek Balabekov, Susana Tierrablanca, Sriram Arasanipalai, Nizar Chemingui, PGS

GEO ExPro Magazine

... inversion of velocity and reflectivity (PGS Ultima) on AVO-compliant GeoStreamer data provides a high-resolution velocity model, with relative impedance...

2023

Developing an Exploration Tool in a Mature Trend: A 3D AVO Case Study in South Texas

Mark E. Gregg, Charles T. Bukowski, Jr.

Houston Geological Society Bulletin

... Appendix), shows that the primary determinants of near- and far-offset reflectivity can be represented as acoustic impedance and Poisson's ratio...

2001

The Seismic AVO of Wet and Dry CBM Reservoirs; #41548 (2015)

Jason McCrank, Han-xing Lu, Kevin Hall, Don C. Lawton

Search and Discovery.com

... analysis may identify areas of higher or lower water saturation. Assuming no change in the surrounding rock, the normal incidence PP reflectivity...

2015

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

... properties such as porosity, water saturation, density, λ/µ and many other parameter. From post-stack seismic data, which express acoustic impedance...

2013

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

... to represent the anisotropic solid, and by immersing it into water they reproduce a liquid-solid interface. The experimental setup also produces a liquid...

2014

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

... to near zero angle, and increase frequency, to invert for normal incidence “pseudo” reflectivity from the reflections. As a non-linear least-squares...

2023

Fluid Substitution as an AVO Calibration for Quantifying Uncertainty of Gas Presence in Late Miocene Binio Sandstone, Kampar Area, Central Sumatra Basin

Istiqlal Dalimunthe, Pamela Amelia Barus, Jhon Johannes Wood, Febrie Ekaninggarani

Indonesian Petroleum Association

... by inputting the new reservoir condition, including effective porosity (Φeff), mineral composition, pressure, and by changing the value of pore water saturation...

2008

Rock-physics Models for Gas-hydrate Systems Associated with Unconsolidated Marine Sediments

Diana Sava, Bob Hardage

AAPG Special Volumes

... (S)-wave velocities, and to analyze compressional-wave (PP) and converted-shear-wave (PS) reflectivity at the base of hydrate stability zones. Elastic...

2009

High-fidelity full-waveform imaging via impedance inversion

Feng Chen, Yu Zhang, Lian Duan, Weishan Han, Yilong Qin, Qianggong Song

International Meeting for Applied Geoscience and Energy (IMAGE)

... polarities appear in the shallow water bottom (oval) and salt flank (arrows) in Fig. 2b. In contrast, the reflectivity image (Fig. 2d) derived from...

2023

PP-PS depth-domain AVA inversion

Maud Cavalca, Robin P. Fletcher

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 𝑯, to a reflectivity model, 𝒓 : 𝑰 = 𝑯𝒓 (1) ∗ This blurring operator, 𝑯 = 𝑴 𝑴, combines the action of modelling (𝑴) and migration (𝑴∗ ) and can...

2023

Characterizing the Near Surface with VSP and Well Logs

Search and Discovery.com

... to characterize and image near surface. This information has application to seismic statics, ground water exploration, and geotechnical projects. The survey area...

2013

Gas Hydrates: Part III: Rock Physics Hydrate Experiments

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... attenuation. Attenuation has the potential to map hydrate concentrations through the effect of local blanking of sediment stratigraphic reflectivity...

2012

Relationship Between Reflectivity and Organic Sulfur Content of Macerals with Respect to Total Organic Sulfur Content and Rank of Coals: ABSTRACT

Robert Raymond, Jr., Thomas D. Davies, Nathan W. Bower, Susan H. Freeman

AAPG Bulletin

...Relationship Between Reflectivity and Organic Sulfur Content of Macerals with Respect to Total Organic Sulfur Content and Rank of Coals: ABSTRACT...

1984

Abstract: Quantifying Heterogeneity Preserved in Inverted Seismic Data: Implications for Reservoir Prediction and Geostatistical Modeling;

Teresa Langenkamp, Lisa Stright, Heather Bedle, Stephen Hubbard, Brian Romans

Search and Discovery.com

..., contains outcropping deep-water channel deposits. These deposits represent the products of sediment transfer across deep-water slopes. Digital...

Unknown

Spatially varying Chi volumes: A study in offshore Australia on background trend calculation from the Shuey two-term approximation

Hayden Powers, Noah R. Vento

International Meeting for Applied Geoscience and Energy (IMAGE)

... estimation tool, but additional work is required. Introduction Amplitude versus offset or angle (AVO/AVA) analysis has become standard practice...

2023

Optimizing Appraisal via a Fit-for-Purpose Seismic Inversion Conditioned Geologic Model: A Case Study From JŽ Field, East Java

Sony Radito Mohammad, Colin Lyttle

Indonesian Petroleum Association

.... Connate water saturation was populated into the model using capillary pressure versus saturation lookup functions. The functions were derived from...

2008

Analysis of the Hydrocarbon Sandstone Distribution Using Rock Physics and Petrophysics Calculations, Simultaneous Inversion, Extended Elastic Impedance (EEI) and Curved Pseudo-Elastic Impedance (CPEI) in X Field Bonaparte Basin

Alfan Hidayah Kusuma, Meta Nisrina Syafitri, Zakki Fahrurrozi

Indonesian Petroleum Association

... inversion, the water saturation volume is obtained to see the hydrocarbon distribution in the study area. The results show that the two inversions...

2020

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