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The AAPG/Datapages Combined Publications Database
Showing 17,717 Results. Searched 200,636 documents.
ABSTRACT: Gas Hydrate Detection Using VSP Data and its Correlation with Dell Log Data; #90118 (2011)
Indresh Kumar
Search and Discovery.com
..., and in exploration and research wells. The two primary properties are seismic velocity and electrical resistivity. Both properties can be measured in field surveys...
2011
Abstract: Velocity Anisotropy from Core Measurements, VSP and Sonic Logs Analysis in a Single Well Study in NE Alberta; #90224 (2015)
Judith Chan and Douglas R. Schmitt
Search and Discovery.com
...Abstract: Velocity Anisotropy from Core Measurements, VSP and Sonic Logs Analysis in a Single Well Study in NE Alberta; #90224 (2015) Judith Chan...
2015
Abstract: Salt Shape Tomography; #90254 (2016)
Patrice Guillaume, Olivier Hermant, Stanislaw Warzocha
Search and Discovery.com
... of velocity up to approximately 6 Hz but have difficulty estimating the position and amplitude of strong velocity contrasts. Using tomography to determine...
2016
Abstract: Constrained 3D VTI Full Waveform Inversion of Wide Azimuth Data from the Red Sea, Saudi Arabia; #90254 (2016)
Young Seo Kim, Constantine Tsingas
Search and Discovery.com
... velocity fields by employing an optimization approach. This methodology is based on the minimization of an objective function between the recorded data...
2016
Abstract: Near Surface and Anisotropy Modeling Strategies for Fast-Track Land Depth Imaging; #90319 (2018)
Ernesto Sandoval-Curiel, Daniele Colombo
Search and Discovery.com
... mostly related to the near-surface velocity variations where these complexities can cause poor imaging, generate distortions and ultimately mask...
2018
Abstract: FWI Using Reflections in Shallow Waters Offshore Abu Dhabi; #91204 (2023)
Carlos Barajas, Olivier Hermant, Oleg Khakimov, Bastian Hutahayan, Guillaume Cambois, Mohamed Mahgoub, Olivier Kirstetter
Search and Discovery.com
... and low velocity layers creating high apparent anisotropy in the bandwidth of seismic surveys. Obtaining an accurate description of the velocity...
2023
Abstract: Travel-time Inversion in a Surface Consistent Scheme; #91204 (2023)
Diego Rovetta, Apostolos Kontakis, Daniele Colombo, Ernesto Sandoval Curiel
Search and Discovery.com
... Overseas Company Saudi Aramco Abstract Seismic exploration in complex environments relies on accurate velocity model building (VMB), including...
2023
Evolution of Pre-stack Multiple Suppression Based on Velocity Discrimination
Search and Discovery.com
N/A
Upper Proterozoic Tidal Rhythmites, South Australia: Sedimentary Features, Deposition, and Implications for the Earth’s Paleorotation
George E. Williams
CSPG Special Publications
... mainly from suspension by tidal currents in response to periodic changes in the velocity and range of paleotides. Stratigraphic series of lamina...
1991
Seismic imaging uncertainty using deep learning predicted Greens functions
Han Liu, Anar Yusifov, Muhong Zhou, Linda Hodgson
International Meeting for Applied Geoscience and Energy (IMAGE)
... a novel method of producing ensembles of seismic images from ensembles of velocity models using a deep learning neural network. First, the neural networks...
2022
Unsupervised Machine Learning as a Velocity Picking Assistant
Charles Ursenbach, Hassan Odhwani
International Meeting for Applied Geoscience and Energy (IMAGE)
...Unsupervised Machine Learning as a Velocity Picking Assistant Charles Ursenbach, Hassan Odhwani Unsupervised machine learning as a velocity picking...
2023
Velocity model building for pressure and converted wave imaging using surface-DAS data: A North Sea case study
M. ElAttar, H. Malak, A. Cooke, O. Lewis, C. Thorgersen
International Meeting for Applied Geoscience and Energy (IMAGE)
...Velocity model building for pressure and converted wave imaging using surface-DAS data: A North Sea case study M. ElAttar, H. Malak, A. Cooke, O...
2024
Mainstream Mantle Convection: A Geologic Analysis of Plate Motion
T. H. Nelson , P. G. Temple
AAPG Bulletin
.... In the model, the base of the mainstream forms an unbroken spheroid with its poles of rotation near the earth's geographic poles. The maximum velocity...
1972
Seismic Exploration for Stratigraphic Traps: Geophysical Exploration Methods
Paul L. Lyons, M. B. Dobrin
AAPG Special Volumes
.... The objective is to trace the upper and lower boundaries of a reservoir bed to the point of convergence. If we assume that this bed is a high-velocity...
1972
High-resolution ultrasonic measurements as proxies to resolve clastic reservoir heterogeneity in a salt-cemented gas reservoir
Claudio Miro Filomena, Harald Stollhofen, Kees van Ojik
AAPG Bulletin
..., Formation velocity and density: The diagnostic basics for stratigraphic traps: Geophysics, v. 39, p. 770780, doi:10.1190/1.1440465.Gassmann, F., 1951, Uber...
2012
Deblurring migration images with point spread function filter
Cewen Liu, Nanxun Dai, Wei Wu, Xiaofeng Wu, Mingjie Guo, Haohuan Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
... geometry, source wavelet, and background velocity model. The inversion of the reflectivity model m using the modeling data d could be mathematically...
2022
A Towed Streamer EM System Performance Case Study
Folke Engelmark, Allan McKay, Johan Mattsson
Indonesian Petroleum Association
... advantage of the fact that the signal only occupies discrete frequencies, whereas the stochastic noise is spread throughout the spectrum. Hence, between...
2013
Delineating Structural Timing
R. A. Nelson, T. L. Patton, S. Serra, and P. A. Bentham
Houston Geological Society Bulletin
... explorers of the spectrum of available approaches. Discussion of Structural Timing Techniques Techniques available to assess structural timing are broken...
1996
Recovering the invisible signals for urban traffic monitoring using distributed acoustic sensing
Yangkang Chen, Hang Wang, Rui Min, Yunfeng Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... characterized by low-frequency energy (0-2 Hz) in the Fourier spectrum. We apply a low-pass filter to the raw data to highlight the car signals...
2024
Chapter 9: Microstructure and Anisotropy in Gas Shales
Carl H. Sondergeld, Chandra S. Rai, Mark E. Curtis
AAPG Special Volumes
... and calculated anisotropies display a pressure dependence that reflects difference in the microstructure studied. The Woodford samples show a weak velocity...
2013
Effective Fracture Geometry Analysis Based on Data of Well Production, Pressure Gauge, and Strain Change of HFTS-1-III in Eagle Ford Shale
Fatima Almarzoog, Kan Wu, Ge Jin
Unconventional Resources Technology Conference (URTEC)
... frequencies. The unique Rayleigh scattering URTeC 4034948 5 spectrum for each fiber section shifts in frequency when the temperature and strain...
2024
Seismic Expression of Low-Angle Clinoforms in Ancient Deltaic Systems: Implications for Stratigraphic Modelling; #20098 (2011)
German A. Gonzalez Uribe, Erwin Rieser, Martin Kornberger, Thomas Kuffner, Adrian Ballauri
Search and Discovery.com
... the western one seems to be tide-influenced. 2. These spectra are used to calculate an operator, which shapes the seismic spectrum to the well impedance...
2011
Past, Present and Future Advancements in Methods for Detecting Hydrocarbon Seepage after 75 Years, #41412 (2014).
John V. Fontana, David Seneshen
Search and Discovery.com
... Co., (now ExxonMobile) Contended many geophysical highs were velocity anomalies from alteration and was opposed to using reflection siesmography...
2014
Late Lutetian 40AR/39AR Age Dating of a Mafic Intrusion into the Jafnayn Formation and its Tectonic Implications (Muscat, Oman); #51663 (2020)
Frank Mattern, Masafumi Sudo, Ivan Callegari, Bernhard Pracejus, Wilfried Bauer, Andreas Scharf
Search and Discovery.com
... pre-existing faults in the Arabian lithosphere Low Pn -velocity anomaly + + + + Figure 3. Contact of the basanite at the western upper outcrop...
2020
Seismic Lithology (AVO) Interpretation at the Badak and Nilam Fields in the Sanga Sanga Block, Kalimantan
William C. Ade, Ian T. McMahon, Wahyudin Suwarlan
Indonesian Petroleum Association
..., of their limited thickness and the lack of P-wave velocity contrast between the sands and the shales. In order to investigate whether sand could...
1988