Azimuthal Anisotropy „ A New Interactive Approach Leads to More Accurate Imaging

Graeme Eastwood

Petroleum Exploration Society of Australia (PESA)

..., is used for picki ng the anisotropy parameters using the prepared supergathers. The anisotropy analysis operates much like conventiona l velocity...

ABSTRACT: AVO Analysis of High-Impedance Sandstone Reservoirs, by Carolyn P. Peddy and Mrinal K. Sengupta; #91019 (1996)

Search and Discovery.com

Abstract: Improving Petroleum System Analysis With Better Understanding of Seismic Input Uncertainties, by Duan, Ling and Liu, Jianchang; #90166 (2013)

Search and Discovery.com

Discriminating Gas Bearing Sands from Shale Using Rock Physics Guided Inversion, #40909 (2012)

Ahmed W. Daghistani, Aiman M. Bakhorji, Husam M. Al-Mustafa

Search and Discovery.com

... feasibility analysis Shear Velocity (Vs) vs. AI Well#1 Vs Sand Well#2 Vs Shaly Sand Shale Vs AI Well # 1 Well # 2 13 Rock physics...

The Effects of Entrainment on the Hydraulic Equivalence Relationships of Light and Heavy Minerals in Sands

Rudy L. Slingerland

Journal of Sedimentary Research (SEPM)

... data and a model is developed for the concentration of heavy mineral deposits in the beach foreshore zone. THEORETICAL ANALYSIS Velocity Profiles near...

Rock Physics Diagnostics as a Prerequisite for Optimal Petrophysics

Akash Mathur, Hilfan Khairy

Indonesian Petroleum Association

... suitable for unconsolidated and weakly cemented (poorly consolidated) formations or at least cannot justify the porosity-velocity trend in the data. Here...

Seismic first arrival tomography for top salt velocity update: A case study in the Santos Basin, Brazil

Paulo H. B. Alves, Marco Cetale, Roger M. Moreira, Sérgio L. E. F. da Silva, Jorge Lopez

International Meeting for Applied Geoscience and Energy (IMAGE)

...Seismic first arrival tomography for top salt velocity update: A case study in the Santos Basin, Brazil Paulo H. B. Alves, Marco Cetale, Roger M...

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

..., 1980, Quantitative seismology: Theory and methods: W.H. Freeman and Co., 700 p. Alkhalifah, T., 1997, Velocity analysis using nonhyperbolic moveout...

Behavior of Fluids

Gerard Middleton, John B. Southard

Special Publications of SEPM

... to a constant velocity parallel to itself by applying a force per unit area F over its entire surface, while the lower plate is held fixed by applying...

Acoustic Tomography for Reservoir Surveillance: Reservoir Characterization and Modeling

J. H. Justice, M. E. Mathisen, A. A. Vassiliou, S. Singh , P. S. Cunningham, J. R. Bulau

AAPG Special Volumes

... description and core analysis data, the best reservoir unit. Sonic logs define a low velocity "Desaturated Zone" at the top of the sand. The zone occurs...

Identification Method and Effect of Dongjiagang's Alluvial Fan; #50787 (2013)

Laisheng Cao, Yingxin Xu, Lizhi Sun, Lihong Pei, Lin Yu, Liang Xie, and Hong Zhu

Search and Discovery.com

... restoring, waveform clustering properties, velocity analysis and amplitude properties to confirm the fan body's boundary and shape. In identifying the fan...

Identification and calculation of transfer overpressure in the northern Qaidam Basin, northwest China

Changyu Fan, Zhenliang Wang, Aiguo Wang, Suotang Fu, Liqun Wang, Yongshu Zhang, Hongxi Kong, and Xiao Zhang

AAPG Bulletin

... curve. According to equations 2–5 in the text and the empirical relationship of sonic velocity and vertical effective stress from the analysis, the sonic...

Conditional image prior for uncertainty quantification in full-waveform inversion

Lingyun Yang, Omar M. Saad, Tariq Alkhalifah, Guochen Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... (FWI) is a technique employed to attain a high resolution subsurface velocity model by minimizing the mismatch between the simulated and observed...

Unraveling US GoM North Green Canyon subsalt complexities with sparse nodes

Katarina Jonke, Jingqian Kang, Sandra Garzon, Gino Alexander, Ganyuan Xia, Gabriel Ritter, Ahmed Afifi

International Meeting for Applied Geoscience and Energy (IMAGE)

... interpreting on the new data is not without challenges, the new velocity model has revealed a more complex geology driven primarily by an earlier...

Critical Porosity in Understanding Acoustic Porosity Anomalies. A Case Study in Complex Carbonate Reservoir in Indonesia

Aditya Arie Wijaya, Sunawar Kunaifi, Krishna Pratama Laya, Luqman, Dimmas Ramadhan

Indonesian Petroleum Association

... links the rock quality to change of the acoustic velocity as a function of critical porosity-bulk modulus for each rock type (Akbar, 2019). Niu et al...

Seismic Imaging Improvements in the Bolivian Fold-and-Thrust Belt Through Psdm

A. Rocha, J. Subia

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., the tools available to refine velocities, such as grid tomography, horizon tomography and CRP gathers residual velocity analysis (even taking...

High-frequency FWI on Clair OBN dataset Challenges and successes

Matvey Romanenko, Lee Saxton, Dan Davies, James Sheng, Faqi Liu, Jan Gromotka, Yang He

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Yang He, TGS Summary Nowadays, high frequency full waveform inversion is routinely applied for building high resolution velocity model from which high...

Geoscience Applications to Economic Development of a Relatively Shallow, Low Gravity, Structurally Complex Eagle Ford Oil Development, Atascosa County, Texas

Lee Billingsley, Bill Layton, Luke Finger

GCAGS Transactions

.... Velocity values based on the drilling and geosteering of nine, widely spaced horizontal wells indicates that velocity is faster near the downthrown...

A Note on the Use of the "Fryberger Method" for Evaluating Potential Sand Transport by Wind

Joanna E. Bullard

Journal of Sedimentary Research (SEPM)

... relative rates of sand transport (expressed as drift potential) from measurements of wind velocity. However, the values of drift potential obtained...

Permeability and acoustic velocity controlling factors determined from x-ray tomography images of carbonate rocks

Nathaly L. Archilha, Roseane M. Missagia, Cathy Hollis, Marco A. R. de Ceia, Samuel A. McDonald, Irineu A. Lima Neto, David S. Eastwood, and Peter Lee

AAPG Bulletin

.... C. Oliveira, 2014, Carbonate pore system evaluation using the velocity-porosity-pressure relationship, digital image analysis, and differential...

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

... velocity and density estimation from PS-wave AVO analysis: Application to an OBS database from the North Sea: Geophysics, 65, 1446-1454. Mahmoudian, F...

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

... velocity and density estimation from PS-wave AVO analysis: Application to an OBS database from the North Sea: Geophysics, 65, 1446-1454. Mahmoudian, F...

Abstract: Reservoir Characteristics of a Quaternary Channel: Incorporating Rock Physics in Seismic and DC Resistivity Surveys; #90211 (2015)

Jawwad Ahmad and Douglas Schmitt

Search and Discovery.com

... velocity carbonates. The channel fill materials have generally lower seismic velocities and are more resistive than the flanking undisturbed Cretaceous...

Efficient interdisciplinary workflow for predrill seismic pore pressure prediction

Josue Fonseca, Anshuman Pradhan, Tapan Mukerji

International Meeting for Applied Geoscience and Energy (IMAGE)

..., this paper presents the use of fast surrogate analysis with the sample velocity models obtained from rock physics reasoning applied to Monte Carlo basin...

Collection and Processing of Digitized Acoustic Log Data

R. A. Broding J. L. Poole

CSPG Bulletin

...., and Berry, James E., 1956, "Application of Continuous Velocity Logs to Determination of Fluid Saturation of Reservoir Rocks," Geophysics, Vol. 21, pp...