Advances in Logging Technology: Abstract

Robert Sarmiento

Tulsa Geological Society

... at an accelerated rate. During this interval the oil industry has seen the introduction of density, continuous dipmeter, sonic (velocity), induction, electric...

Work Processes to Mitigate Interpretation Pitfalls in Complex Imaging Environments, Helsing, Carl E.; Trainor, Dwight, #90100 (2009)

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Pore-Structure and Petrophysical Characteristics of Hamelin Pool Stromatolites and Associated Cemented Coquina Beds

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ABSTRACT: The application of AVO, seismic attributes, and velocity mapping in understanding the Doina discovery in offshore Romania, Black Sea Province; #90109 (2010)

Phil Mollicone, Paul Duley, Stephen Birrell, Anthony Fogg

Search and Discovery.com

... analogue to invoke variable (lower) velocity channel fill that would result in TWT pushdown sufficient to cause the non-conformance between depth maps...

Abstract: Geologic Controls on the Elastic and Petrophysical Properties of Clastic Rocks; #90063 (2007)

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Nonparametric Bayesian approach for robust depth uncertainty estimation from seismic velocity and anisotropy tradeoffs

Jinsong Chen, Sizhuang Deng, Min Yang, Andrey Shabelansky, Cory Hoelting, Huafeng Liu, Maisha Amaru

International Meeting for Applied Geoscience and Energy (IMAGE)

...Nonparametric Bayesian approach for robust depth uncertainty estimation from seismic velocity and anisotropy tradeoffs Jinsong Chen, Sizhuang Deng...

Abstract: Spectral-Velocity Prediction of Geological Section Types and Reservoir Properties (SVP-Technology), by Mikhail Afanasyev; #90163 (2013)

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Aerodynamic and Geometric Diameters of Airborne Particles

Weinan Chen , Donald W. Fryrear

Journal of Sedimentary Research (SEPM)

... velocity and aerodynamic equivalent diameter are properties of eolian particles that determine eolian transportation and deposition. This study establishes...

Implementation aspects of elastic FWI and its application to sparse OBN surveys

Cosmin Macesanu, Faqi Liu, Yi Huang, Hao Hu, Carlos Calderón

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the variable density ρ appears as a reflectivity source term in the updated stress. Taking the time derivative of the stress and replacing the velocity terms...

The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

... wavenumber components to the velocity model beyond the penetration depth of diving waves. A regularisation process using a variable weighted L1-norm...

Fast anisotropic viscoelastic modeling and application in quantitative seismic reservoir characterization

Sirui Tan, Sunwoong Lee, John E Anderson, Haiyang Wang, Olivier Burtz, Partha Routh, Rongrong Lu, Yang Yu

International Meeting for Applied Geoscience and Energy (IMAGE)

... model attenuation effects (Denli et al., 2013), leading to at least 6 × 3 = 18 memory variable components. This is compared with 6 stress and 3 v...

Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones

Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju

Indonesian Petroleum Association

... separation, and local velocity model estimation. Due to variable noise conditions each repeated shot was independently edited by having noisy gathers removed...

Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration

Robi Junipa, Michel Bee

Indonesian Petroleum Association

.... In Sintong, 14 (fourteen) wells were used to create synthetic seismograms with a consistent phase wavelet. A velocity model was then developed to insure...

THE EARTH'S CRUST UNDER THE WILLISTON BASIN IN EASTERN SASKATCHEWAN AND WESTERN MANITOBA

Z. HAJNAL, C. M. R. FOWLER

Williston Basin Symposium

... a thick, high velocity (7.1-7.6 km/sec) lower crust. The upper mantle has a higher velocity (8.3-8.5 km/sec). CITED Chapman, C. H...

Potential Field Data Guided Seismic Forward Modelling of Basement Structures: A Case Study from Offshore Nile Delta Basin

Said Hanafy, Shastri L. Nimmagadda, Sharaf Eldin Mahmoud

Petroleum Exploration Society of Australia (PESA)

... or constant velocity section (2000 m/sec) and the deeper with variable velocity part. The maximum velocity is 4200m/s, which is interpreted to be a very high...

The Properties of Bed Sediments in Pools and Riffles

Paul J. Hirsch , Athol D. Abrahams

Journal of Sedimentary Research (SEPM)

... are both coarser and better sorted than the pool sediments. These differences are explained in terms of reversal of the bottom velocity/shear stress...

Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf

Vidar Storvoll, Knut Bjrlykke, Nazmul H. Mondol

AAPG Bulletin

...Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf Vidar Storvoll, Knut Bjrlykke, Nazmul H. Mondol 2005 359 381 89 3...

Pore Pressure Prediction in Organic Shales of the Permian Basin: Rock Physics Basis

Prajnajyoti Mazumdar, Lev Vernik, Alex Dale

Unconventional Resources Technology Conference (URTEC)

... also note that the effects of clay and OM (or TOC) on P-wave velocity measured in vertical wells can be adequately modeled using variable weight...

Discussing Demigration Uncertainties Applied to Active Focused Seismic Monitoring

Baptiste Penot, Bruce Webb, Michele Buia, Gianluca Dell’Elce

Carbon Capture, Utilization and Storage (CCUS)

... with simple geology frameworks, the model propagation can be more challenging with complex geology frameworks and highly variable velocity models...

Abstract: Robust Localization of Passive Sources with Cross-Coherence Migration; #91204 (2023)

Yujin Liu

Search and Discovery.com

... method enhances the spatial resolution of source images and is particularly effective in the presence of highly variable and strong additive random noise...

One-way full-waveform inversion using frequency-domain model extension

Rustam Akhmadiev, Biondo Biondi, Robert G. Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... extended models, FWI data residuals can be modeled accurately even in the presence of large errors in the starting velocity (slowness) model. During...

A Statistical Approach to Assessing Depth Conversion Uncertainty on a Regional Dataset: Cooper-Eromanga Basin, Australia

David Kulikowski, Catherine Hochwald, Dennis Cooke, Khalid Amrouch

Petroleum Exploration Society of Australia (PESA)

...; average (pseudo) velocity, time-depth trend, kriging with external drift using TWT, and kriging with external drift to tie stacking velocities to average...

Bed Configurations in Steady Unidirectional Water Flows. Part 3. Effects of Temperature and Gravity

John B. Southard, Lawrence A. Boguchwal

Journal of Sedimentary Research (SEPM)

... in a unidirectional flow is analyzed in the context of the dimensionless depth-velocity-size diagram discussed in Part 2. Bed states that differ only...

Use of Horizontal Seismic Sections to Identify Subtle Traps

Alistair R. Brown, Robert J. Graebner, C. G. Dahm

AAPG Special Volumes

... Seiscrop sections both displaying seismic amplitude have been augmented by the equivalent sections displaying velocity. These were sliced from a volume...

Accelerated augmented Lagrangian full-waveform inversion based on truncated randomized singular value decomposition

Jiahang Li, Hitoshi Mikada, Junichi Takekawa

International Meeting for Applied Geoscience and Energy (IMAGE)

.... For an estimation value of the Lagrangian multiplier vector, augmented Lagrangian minimizes the independent variable and then updates the new Third International...