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Showing 3,536 Results. Searched 200,636 documents.
Petrophysical Analysis and Seismic Response of Chert in the Thirtyone Formation, West Texas
Dongjun Fu, Charlotte Sullivan, Kurt Marfurt, Amit Sondhi, Peter Wang
West Texas Geological Society
... decreases when the wave propagates across fractures, due to attenuation of energy (Willie et al, 1958). Fractures can result in an anomalous seismic...
2003
Seismic Processing Applications on a Personal Computer
Geophysical Service (Malaysia) Sdn. Bhd.
Geological Society of Malaysia (GSM)
... attenuation, 5) Measurement of shear wave velocities, 6) High resolution structural and stratigraphic delineation near the well, 7) Capability...
1989
Comparison of Multi Azimuth 3D Survey With Conventional Single Azimuth Survey in a Complex Geological Area
Andrea Bergamaschi, Michele Buia
Indonesian Petroleum Association
... the capabilities to reduce the sea bottom related illumination gaps, to provide help in the attenuation of “near sea bottom” related 3D multiples...
2009
Tailored Acquisition and Processing Providing an Enhanced Subsurface Image of the Basin Architecture, Exmouth Sub-Basin, North West Shelf, Australia
Alexander Karvelas, Bee Jik Lim, Lianping Zhang, Haryo Trihutomo, Oliver Schenk, Sugandha Tewari
Australian Petroleum Production & Exploration Association (APPEA) Journal
... were specifically designed for data acquired in the non-linear condition with non-linear processing flow assumptions and noise attenuation techniques...
2019
Broadband Seismic Technology and Beyond: Part VI: Towards a Ghost-Free Solution
Lasse Amundsen, Martin Landrø, Eivind Frømyr
GEO ExPro Magazine
... side which intrinsically diminish the low frequencies through the attenuation of the bubble characteristic of tuned arrays. The industry has, up till...
2013
Supercomputers for Beginners: PART III: GPU-Accelerated Computing
Lasse Amundsen, Martin Landrø, Børge Arntsen
GEO ExPro Magazine
..., with 40 GEOExPro February 2016 attenuation, provides a more accurate physics model and ultimately will lead to more accurate subsurface images. However...
2016
Revisiting the Brazilian Equatorial Margin with FWI and its impact on interpretation in an exploratory frontier
Diego Costa, Edmarley Ramos, Giuseppe Loconte, Filipe Rudrigues, Olivier Brachet
International Meeting for Applied Geoscience and Energy (IMAGE)
...) channel imprint attenuation at the reservoir interval. Second International Meeting for Applied Geoscience & Energy 10.1190/image2022-3750574.1 Page...
2022
Codes and Ciphers Simultaneous: Source Separation: PART II
Johan O. A. Robertsson, Dirk-Jan Van Manen, Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
.... However, it is, of course, possible to achieve better results, for instance through using random noise attenuation to separate the coherent signal...
2016
AVO Analysis of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma
Eric Kubera
Oklahoma City Geological Society
... on the energy passing through. One of the attenuation mechanisms, spherical divergence, causes the amplitude to decay as 1/(distance traveled) (Yilmaz, 1987...
1997
Evaluating the impact from dual-azimuth, wide-azimuth towed streamer and ocean bottom node acquisitions for Brazil pre-salt exploration: A finite difference modeling study
Lei Zhuo, Jeff Bergeron, Jake Deeds, Robert Brandt, Dirk Erickson
International Meeting for Applied Geoscience and Energy (IMAGE)
... and led to a more geologically sensible velocity model. The application of Inter-bed multiple attenuation (Krueger, 2018) and leastsquares RTM (Carotti...
2022
Detection threshold of a shallow CO2 plume with VSP data from the CaMI Field Research Station
Brendan J. Kolkman-Quinn, Donald C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the higher frequency bands where seasonal variations in near-surface filtering caused significant differences in attenuation. Figure 2 shows frequency spectra...
2022
Efficient acquisition and imaging of high-resolution seismic data with the continuous wavefields method
Tilman Klver, Torben Hy
International Meeting for Applied Geoscience and Energy (IMAGE)
.... This Noise attenuation is then applied to the continuous data using a method that exploits the long continuous records. Second International Meeting...
2022
The Utica - Point Pleasant Shale
Satinder Chopra, Ritesh Kumar Sharma, Hossein Nemati, James Keay, TGS
GEO ExPro Magazine
... preconditioned for random noise attenuation by applying structure-oriented filtering (Marfurt, 2006; Chopra and Marfurt, 2007). The pre-stack seismic data were...
2018
A case study using FWI to image pre-Messinian target in the East Mediterranean Sea
Jyoti Kumar, Marcus Bell, Tamer Darwish, Mai Ahmed, Mahmoud Ahmed, Moataz Ahmed
International Meeting for Applied Geoscience and Energy (IMAGE)
.... In clean salt area of the survey, converted wave energy generated within salt layer is observed. Converted wave attenuation workflow using 3-D acoustic...
2022
Tectonic Evolution in Utah's Miogeosyncline-Shelf Boundary Zone
Gary W. Crosby
Rocky Mountain Association of Geologists
... and Crittenden, 1973). Attenuation rearward from the leading edge of a thrust sheet is the expected response over a broad regional uplift, unless...
1976
Fracture-Porosity Identification from Anisotropy AVO and Fluid Substitution Modelling in Seismic 2D Data
Septian Prahastudhi, Tenny Octaviani, Ayi Syaeful Bahri, Yulia Putri Wulandari
Indonesian Petroleum Association
... about velocity attenuation in cracked media. In 1985, Prof Leon Thomson published about weak anisotropy concept and the effect of aligned cracks...
2012
Heavy Metal Sorption Capabilities of Some Soils from Active Landfill Sites in Selangor
Wan Zuhairi Wan Yaacob
Geological Society of Malaysia (GSM)
... conductivity and high attenuation property on pollutants. In this study, some soil samples have been collected from (or adjacent to) active landfill sites...
2003
Effect of Artificial Sea-Grass on Wave Energy and Near-Shore Sand Transport
Christopher J. Wayne
GCAGS Transactions
... of differing viscosities to be a factor in wave attenuation and change of bottom-drift velocities. They found evidence that lower net-drift velocities occured...
1974
Impulse Acoustical Logging in a Cased Drill Hole
L. A. Sergeyev, A. A. Boyaroyts, V. V. Churlin, O. N. Sokolov
Petroleum Geology: A Digest of Russian Literature
.... An attenuation of amplitudes of not less than 1.5 to 4 times was observed for both Lamb waves L and for longitudinal waves P in rock (up to complete...
1963
Deblending seismic data using multistage iterative source separation with priors A case study using streamer 3D data
Wilson Ibanez-Jacome, Jarred Hostetler, Rajiv Kumar, Wouter Gerrit Brouwer, Saeeda Hydal, Yousif Izzeldin Kamil Amin
International Meeting for Applied Geoscience and Energy (IMAGE)
... workflows. A wide range of source separation technologies exist to deblend the data, but many of these technologies rely on coherent noise attenuation...
2023
Exploration: California Dreaming
Thomas L. Davis, Geoff Gallant
GEO ExPro Magazine
... attenuation workflow where the EXPLORATION 75 PACSEIS, INC. AND TRICON GEOPHYSICS, INC. PACSEIS, INC. AND TRICON GEOPHYSICS, INC. data are sorted...
2022
A novel and low-cost seismic acquisition system consisting of permanent controlled linear vibratory sources and new autonomous seismic sensors for CCS/CCUS site characterization, plume front mapping, and real-time seismicity monitoring
Siwei Li, Nicholas Brooks, Tianrun Chen, Xinding Fang, George Knapo, Howard Wilkinson
International Meeting for Applied Geoscience and Energy (IMAGE)
... investigated varying frequencies to identify the optimum penetration, monitored for unwanted noise and assessed signal attenuation vs. distance. The first test...
2023
Multidomain simultaneous joint inversion for near-surface characterization A case study from onshore US
Nate Johnson, Ali Ahmed Hussein Mohamed, Zhanna Jackson, Seth Riseman, Kevin Douglas
International Meeting for Applied Geoscience and Energy (IMAGE)
... aiding seismic pre-processing in noisy areas: better aligned signal provided an opportunity to implement further improvements in noise attenuation leading...
2023
The Northern Gulf of Mexico as an Anomalous Passive Margin
William W. Hay ,, James F. Behensky Jr.
GCAGS Transactions
... and attenuation of the continental crust due to stretching caused by thermal expansion. This is followed by implacement of oceanic crust, separation...
1981
Lithology characterisation of the roof and floor of the Moranbah measures coal seam using post-stack and pre-stack seismic inversion
Margarita Pavlova
Petroleum Exploration Society of Australia (PESA)
... for this is that near offsets are contaminated by strong noise energy (mainly ground roll). Noise attenuation was applied during processing and a relatively...
2019