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The AAPG/Datapages Combined Publications Database
Showing 17,739 Results. Searched 201,044 documents.
Elastic Multi-parameter FWI Imaging – a North West Shelf undeveloped gas field case study
Fabio Mancini
Southeast Asia Petroleum Exploration Society (SEAPEX)
... diving waves is a well-established tool in the model-building workflow for producing high-resolution subsurface velocity models. However...
2025
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...
2023
Modelling complex near-surface features to improve shallow seismic exploration.
Shaun Strong
Petroleum Exploration Society of Australia (PESA)
... related to weathering (low velocity) or basalts (potentially high velocity). Timing changes due to near-surface velocity variations are often accommodated...
2018
ABSTRACT: Back to Basics on Broadband Seismic Amplitudes, Phase and Resolution
Andrew Long
Petroleum Exploration Society of Australia (PESA)
... is limited by the resolution of the velocity model, the scattering assumptions of the imaging algorithms used, and the a priori information used...
2016
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... analysis focuses on azimuthal changes on either velocity or amplitude. It is obvious that in the field application both HTI and VTI exist...
2016
Seismic Foldout: Exploring deeper in Uruguay: Could Namibia successful Cretaceous play be chased in Uruguays deepwater?
Roberto Juncken, Liam Hunt, Zhiping Yang, VIRIDIEN, Bruno Conti, Pablo Gristo, Pablo Andres Rodriguez, ANCAP
GEO ExPro Magazine
... Potential Aptian SR not captured by velocities Figure 2A. Legacy imaging product. Main unconformities with higher velocity contrast Raya reservoir...
2024
Use of Record Character in Interpreting Results and Its Effect on Depth Calculation in Refraction Work
T. L. Allen
AAPG Bulletin
... of slightly higher velocity which transmits the energy readily and has a distinctly different wave form. On account of the difficulty of energy...
1932
A History of the Principles and Methods of Mechanical Analysis: ERRATUM
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
... developed himself. Schone's equation is d = [3v2]/[4g (s - 1)], where d is the diameter in mm., v is the settling velocity, s is the specific gravity...
1933
Fault Shadow Correction Methodology
P. Julien, J. L. Broyer, O. Bernet-Rollande
Indonesian Petroleum Association
... method. An initial 2D-depth model is built using dip seismic lines and a regional velocity function, which is then manually edited to remove...
2000
Application of high-end seismic imaging technologies for field development in NWS Australia
Min Lee Chua, Kai Zhao, Narcisa Lazarescu, Wai King Yong, Sergey Birdus, Alexey Artemov, Xiang Li
Petroleum Exploration Society of Australia (PESA)
... will review here are (1) demultiple workflow with 3D curvelet domain subtraction, (2) hybrid Tomo-FWI velocity model building, and (3) Least-Squares Q Pre...
2019
Reducing charge risk using velocities from elastic FWI and sparse node OBN
Nathan Van Farowe
International Meeting for Applied Geoscience and Energy (IMAGE)
... detailed velocities that fit geology to be obtained deeper in the seismic section even under complex overburden. The images and velocity models produced...
2024
AVA on communication cables: Principles and Examples from the North Sea
Ran Bachrach, Ali Sayed, Andrea Murineddu, Pilar Di Martino
International Meeting for Applied Geoscience and Energy (IMAGE)
...., 2020, 2021). The reflection AVA response can provide insights to the in-situ rock properties such as seismic velocity, density, fluid content...
2024
Stabilizing two-term clock-drift inversion in ocean-bottom node processing
Beng Seong Ong, Zhaojun Liu, Carsten Udengaard
International Meeting for Applied Geoscience and Energy (IMAGE)
...) processing, removing the effects of water velocity variation and correcting for node positions and clock-drifts reduce statics in the data. Clock-drift...
2024
Subsalt imaging using elastic FWI: A case study from Walker Ridge, Gulf of Mexico
Chirag Parekh, Andrew Stephenson, Juan Perdomo, Claudia Flores, Christopher McMorland, Matt Vander Griend, Austin Boles, Andrew Fuhrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
...-based workflows utilized acoustic modeling to invert for a velocity model that explains the recorded seismic data. AFWI has been successfully applied...
2024
The impact of seismic nodes on enhancing subsurface imaging for mining A case study over the Tamarack Nickel field
Eamonn Murray, Andrew Stone, Celina Giersz, Amine Ourabah, Brian Bengert
International Meeting for Applied Geoscience and Energy (IMAGE)
... interest in utilizing 3D seismic from the initial exploration phase through to the advanced extraction planning on mature sites. We show how velocity...
2024
5. Directional Properties of Some California Sandstones
L. C. Bonham
Journal of Sedimentary Research (SEPM)
... is velocity anisotropy which, in the samples studied, is correlated with preferred orientation of microfractures. End_of_Record - Last_Page 178...
1956
Deduction of Flow Regime from Bedding Character in Conglomerates and Sandstones: NOTES
V. E. Gwinn
Journal of Sedimentary Research (SEPM)
..., among other things, of stream depth and slope, stream velocity, particle settling velocity, sediment size, temperature, and densities of the water...
1964
Experiment in the Use of Grouped Shots Using the Common Depth Point Method
M. D. Malykhin, Ye. I. Murashko, V. I. Rikhter, A. F. Sokolov
Petroleum Geology: A Digest of Russian Literature
... on the surface seismo-geologic conditions. Within the Kuybyshev area beneath the Quaternary low velocity zone occur sediments of the Permian Tatar...
1979
Ways for Increasing Effectiveness of Seismic Surveying in Preparing Structures in West Yakutia
V. Ya. Belen’kiy, N. Ya. Kunin
Petroleum Geology: A Digest of Russian Literature
... that lateral variation in average velocity was not taken into account. This variation appears to be due to replacement toward the east of high-velocity...
1979
Abstract: AVO Depth Modelling (Paper 2)
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
..., both isotropic and anisotropic reflection amplitudes for ideal coal/country rock interfaces and a typical Malay Basin shale/sand velocity/density...
1996
First Results of Common Depth Point Regional Work in the East Border Zone of the Peri-Caspian Basin
V. P. Kan, B. S. Tasybayev
Petroleum Geology: A Digest of Russian Literature
... between the Biikzhal and Temir domes is characterized by low velocity values (3300-4700 m/s), whereas to the north where clastics probably are replaced...
1979
Impossibility of Bernoulli Pressure Forces on Particles Suspended in Boundary Layers: DISCUSSION
John B. Southard
Journal of Sedimentary Research (SEPM)
... by unbalanced fluid-pressure forces which by the Bernoulli equation are present owing to the increase in fluid velocity away from the boundary. The authors call...
1970
Lift Forces on Suspended Sediment Particles in Laminar Flow: Experiments and Sedimentological Interpretation: NOTES
John B. Southard
Journal of Sedimentary Research (SEPM)
... the surrounding fluid, producing a relative velocity (3) the velocity gradient in the undistributed flow away from the particle is not constant...
1971
EXTENDED ABSTRACT: Calibration of Predicted Pore Pressure: Perceptions and Pitfalls
Selim Shaker
GCAGS Transactions
... cases. If it were true, drilling problems and hydrocarbon trapping risk would be negligible. Before drilling, seismic interval velocity...
2008
The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets
John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding
GCAGS Transactions
... of the interpolation. Anisotropic PSTM The first normal moveout corrections were performed using well velocity functions and a mechanical apparatus...
2013