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Showing 34,775 Results. Searched 200,619 documents.
Structural Geophysics and the Simpson in Oklahoma
John J. Rupnik
Tulsa Geological Society
...Structural Geophysics and the Simpson in Oklahoma John J. Rupnik 1965 35 61 Vol. 33 (1965) This paper deals mostly with one phase of the search...
1965
Flume Experiments on the Transition from Ripples to Lower Flat Bed with Increasing Sand Size
John B. Southard, Lawrence A. Boguchwal
Journal of Sedimentary Research (SEPM)
... of mean flow velocity vs. sediment size for a flow depth of 7 cm plotted from the flume runs shows that in the size interval from 0.6 mm to 0.7 mm...
1973
Deep learning to predict subsurface properties from injected CO2 plume bodies using time-lapse seismic shot gathers
Son Phan, Wenyi Hu, Aria Abubakar
International Meeting for Applied Geoscience and Energy (IMAGE)
... without conventional velocity model building and imaging. A deep learning architecture with a new multi-branch design with different filtering sizes...
2022
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
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
Developments for Improving Efficiency of Oil-Water-Solids Separations
H. M. Chelton
Indonesian Petroleum Association
...-water interface, due to "rag" buildup or persistent solids-stabilized emulsions, and excessive oil in the water phase. The mini-separator has been used...
1979
A Quantitative Study of the Seismic Time-Amplitude Reflection Characteristics in an Oil Field
Ng Tong San, Idrus Mohd Shuhud, Leong Lap Sau
Geological Society of Malaysia (GSM)
... and 3D seismic data set for interpretation. In this area, wireline logs indicate velocity to be a poor lithologic descriptor. The acoustic impedance...
1994
Seismic Foldout: Dynamic Matching FWI + EEI makes a difference to your interpretation
Bent Kjølhamar, Adriana Citlali Ramírez, Reidun Myklebust, TGS
GEO ExPro Magazine
... seismic database with new tools like DM FWI's detailed velocity volumes and better AVO screening tools like rEEI, as shown in this article and seismic...
2023
Ekofisk: First of the Giant Oil Fields of Western Europe: REPLY
Owen D. Thomas , L. K. S. Popham
AAPG Bulletin
... variations in wavelet character, frequency, amplitude, phase, and interval velocity have lithologic and stratigraphic significance. The key to interpreting...
1984
Simultaneous Joint Inversion as a Salt Detector in South Gabon Land Exploration; #40835 (2011)
Marco Mantovani and Thierry Dugoujard
Search and Discovery.com
... seismic data covering the area of interest. Geological Setting Thick, Barremian, rift-phase Dentale Formation sands and shales are overlain...
2011
Characterization of a Carbonate Mudrock Reservoir by Integrating Sequence Stratigraphy, Sonic Velocity, and Characterization of the Macro- to Micropore Architecture; #41990 (2017)
Beth Vanden Berg, G. Michael Grammer
Search and Discovery.com
...Characterization of a Carbonate Mudrock Reservoir by Integrating Sequence Stratigraphy, Sonic Velocity, and Characterization of the Macro...
2017
Stochastic model for migration and breakage of detrital and authigenic fines
Bryant Dang-Le, Abolfazl Hashemi, Cuong Nguyen, Grace Loi, Nastaran Khazali, Yutong Yang, Alexander Badalyan, Thomas Russell, Pavel Bedrikovetsky
Australian Energy Producers Journal
... determining the critical failure stresses, breakage points of the beam and breakage flow velocity. The mathemati cal model describing lab coreflood...
2024
Cascaded full-waveform inversions to resolve Mesozoic structures in shallow-water Gulf of Mexico with limited-offset data
Wei Kang, Christoph Koeninger, Miguel Acosta Perez, Josue Jurado Ramirez, Imran Nagir, Denes Vigh, Silvino Dominguez Garcia, Alfredo Vazquez Cantu, Luis Arturo Vega, Marco Antonio Mayorga
International Meeting for Applied Geoscience and Energy (IMAGE)
... Arturo Vega, Marco Antonio Mayorga (PEMEX) Summary Full-waveform inversion (FWI) has been widely applied in the velocity model building related...
2022
One more stride forward in Thunder Horse subsalt imaging with elastic FWI
Bunmi Elebiju, Qingsong Li, Ken Hartman, Francis Rollins, Ye Feng, Karl Kaiser, Werner Schinagl, Chi Chen, Alex Yanjun Hao, Zhiyuan Wei, Jiawei Mei
International Meeting for Applied Geoscience and Energy (IMAGE)
... in both acquisition and imaging, primarily due to the massive salt canopy that causes distorted and poor illumination, leading to velocity and imaging...
2022
Sparse 3D seismic survey over the Olympic Dam IOCG deposit
Heather Schijns, Jared Townsend, David Haddow, Max Shawcross, Kathy Ehrig
International Meeting for Applied Geoscience and Energy (IMAGE)
..., leading to some doubt as to how best to use seismic in this setting. Ambient and passive seismic methods focused on measuring seismic velocity have...
2023
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)
... (e.g amplitude and phase information) to reconstruct subsurface velocity models. However, FWI is a highly nonlinear and illposed problem, and thus...
2024
Developing a Versatile Method for Rock Physics Modeling in a Carbonate Reservoir by Integrating Rock Mechanic Laboratory Results, Petrophysical Analysis and Computational Rock Physics: A Case Study from The Kais Formation in the Salawati Basin
Al Hafeez, Ananto Wibisono, Rochmad, Khairil Iqbal, Agus Guntoro, Gianita Octavia
Indonesian Petroleum Association
...** Gianita Octavia** ABSTRACT Developing a versatile carbonate rock physics model is an important phase in furthering geophysical methods in carbonate...
2016
3-D High-Resolution Reservoir Characterization from Crosswell Seismic Data
John Washbourne, Kenneth Bube
West Texas Geological Society
... in the “enhanced recovery phase” of development, characterization of the spatial variability of geologic properties within the reservoir becomes...
1998
Modeling Tidal Bedding In Distributary-Mouth Bars
Nicoletta Leonardi, Tao Sun, Sergio Fagherazzi
Journal of Sedimentary Research (SEPM)
... for small ratios of mud to sand settling velocity and mud to sand concentration. Bottom friction strongly affects tidal bedding by reducing the length...
2014
Application of Fullwaveform Tomography to VSP Walkaway Data
Eric Takam Takougang, Youcef Bouzidi
Petroleum Exploration Society of Australia (PESA)
... that can provide high resolution velocity, attenuation, and density images of the subsurface, based on the seismic waveform. The algorithm is based...
2016
Seas of the Soviet Arctic: Barents Sea
M. L. Verba
Petroleum Geology: A Digest of Russian Literature
.... A mosaic of structural highs and lows is now recognized. See Figs. 1 and 2. An abrupt velocity change of 1–2.5 kmps within the Permian sediments...
1988
Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)
John C. Bancroft
Search and Discovery.com
... are reflected from the velocity boundaries and can be absorbed or reflected from the “surface” or the “basement”. This simple model would be similar...
2015