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Showing 195 Results. Searched 195,364 documents.
Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences
John Miller and Roland von Huene
AAPG Special Volumes
... refraction studies near Kodiak, Alaska: Geophysics, v. 37, p. 697-700. VON HUENE, R., 1972, Structure of the continental margin and tectonism...
1986
A Novel Method of Deriving Weathering Statics from First Arrival Refractions
G. W. Hollingshead, R. R. Slater
Pacific Section of AAPG
...A Novel Method of Deriving Weathering Statics from First Arrival Refractions G. W. Hollingshead, R. R. Slater 1980 1 12 One of the principal...
1980
The Reflection Seismograph Celebrates 50th Anniversary 1921-1971
W. B. Robinson
Oklahoma City Geological Society
.... REFRACTION SEISMOGRAPH Let's start with the Refraction Seismograph, the method, using large charges, in which the recording equipment is placed...
2003
Paleocurrents and Shoreline Orientations in Green River Formation (Eocene), Raven Ridge and Red Wash Areas, Northeastern Uinta Basin: REPLY
M. Dane Picard
AAPG Bulletin
... REFRACTION I suggested (1967, p. 390) that the ripple marks and cross-stratification in the Douglas Creek, Garden Gulch, and lower Parachute Creek Members...
1967
Acoustic Properties of Sediment on the Southern Tonga Platform as Determined from Seismic Sonobuoy Studies
Jonathan R. Childs
Circum Pacific Council Publications
...(r) is the refraction velocity. If an acoustic interface generates both refractions and reflection events, the refractor will appear as a tangent...
1985
Seismic Refraction and Reflection Studies in the Timor-Aru Trough System and Australian Continental Shelf: Convergent Margins
R. S. Jacobson , G. G. Shor Jr. , R. M. Kieckhefer , G. M. Purdy
AAPG Special Volumes
...Seismic Refraction and Reflection Studies in the Timor-Aru Trough System and Australian Continental Shelf: Convergent Margins R. S. Jacobson , G. G...
1979
Imaging of Shallow Coal Structures Using 2D6C Mini-SOSIE
Shaun Strong, James Alderman, Steve Hearn
Petroleum Exploration Society of Australia (PESA)
... generated for the trial line. These were generated by analysing the P and S refractions on the separated records. These statics where then applied...
2016
Direct Hydrocarbon Indications Using Seismic Amplitude Variations with Offset
William J. Ostrander
AAPG Special Volumes
... equations govern the partitioning of seismic reflection and refraction energy at an acoustic interface. These equations show that reflected seismic...
1987
Seismic Foldout: New Geo Streamer X data for exploration, ILX and appraisal in the Norwegian Sea
Kjetil Roverud, Stefan Möller, Eric Mueller, Jens Beenfeldt, PGS
GEO ExPro Magazine
... impedance contrasts, rough surfaces, complex velocities, and complex anisotropy. In addition, shallow glacial morphology generates strong noise and multiples...
2023
Gypsum-Anhydrite Differentiation by Sem Using the Back-Scattered Electron-Signal: RESEARCH METHOD PAPER
P. G. Jordan, M. Duggelin, D. Mathys, R. Guggenheim
Journal of Sedimentary Research (SEPM)
... (Table 1) which are not easily distinguishable in optical investigations of thin sections: 1) celestite and gypsum (identical double refraction), 2...
1991
Exploration: OBN Seismic Unlocks New Play Potential
Grant Byerley, Ayman Rehan, Kareem Mondy, Oliver Cheshire, David Ginger, Abdalla Ibrahim Abouelela
GEO ExPro Magazine
... to make use of the fine sampling of the shots. For wave field separation and surface multiples removal, up-down deconvolution (UDD) was used (Brunellière...
2022
Review of Developments in 1938, Gulf Coast of Southeast Texas and Louisiana
O. L. Brace
AAPG Bulletin
..., Raceland is to be credited to refractions with later reflections. The refraction background was produced rather recently in this instance. End_Page 885...
1939
Elastic FWI imaging of a complex presalt structure using NATS data
Arthur Henrique, Luiz Felão, Sergio Barragan, Florian Jouno
International Meeting for Applied Geoscience and Energy (IMAGE)
... the full wavefield (primary reflections, surface and interbed multiples, refractions, and diving waves). FWI also uses a multi-scale inversion, matching...
2023
Crustal Structure and Rift-Drift Evolution of the Newfoundland Basin: Chapter 16: North American Margins
Brian E. Tucholke, James A. Austin Jr., Elazar Uchupi
AAPG Special Volumes
...-angle reflection/refraction profiles recorded with expendable radiosonobuoys and processed at Woods Hole Oceanographic Institution. In addition...
1989
Prospectivity of volcanic basins: Trap delineation and acreage de-risking
Max Rohrman
AAPG Bulletin
..., their internal physical heterogeneity creates a tendency to generate strong multiple reflections (multiples). Massive basalts without internal layering as well...
2007
Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones
Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju
Indonesian Petroleum Association
... receivers in the borehole trajectory are generally well behaved, but show significant refractions and trapped energy when high and low velocity layers...
2013
Value of elastic full-wavefield inversion in derisking clastic reservoirs in presence of noise
Partha Routh, Soumya Nayak, Jake Dorsett, Kaushik Banerji, Young Ho Cha, Vijay Gottumukkula, Gopal Palacharla, Vikas Gudipati, Ramesh (Neelsh) Neelamani, Seth Conway, Andrea Raphael
International Meeting for Applied Geoscience and Energy (IMAGE)
... of non-primary reflection modes in the data, such as refractions, converted waves, and internal multiples, can be significant. The mitigation...
2023
Resolving complex velocity and gas absorption features with full-waveform inversion in the Taranaki Basin, New Zealand
Yuelian Gong, Dominic Fell, Robert Hunn, Richard Bisley, Alexander Karvelas, Bee Jik Lim
Petroleum Exploration Society of Australia (PESA)
.... Due to the limited illumination depth of refraction energy, FWI must rely on reflection energy to build models at depths where refractions cannot...
2019
Getting Something for Nothing: Noise Attenuation in an Aliased World; #41291 (2014)
David C. Henley
Search and Discovery.com
... be decreased to allow the acquisition geometry to spatially sample the outgoing source-generated surface waves and refractions with minimal aliasing...
2014
EXPLORATION PROBLEMS OF THE WILLISTON BASIN*
K. E. BURG
Montana Geological Society
... affected by this glacial mantle. Conventional up-hole and refraction weathering correction procedures are adequate to handle...
1952
Improving Marcellus Imaging Through the Use of FWI and Joint Tomographic Inversion for Velocity and Epsilon
David McCann
Unconventional Resources Technology Conference (URTEC)
.... This interval may be too thin for either refraction tomography or Full-waveform inversion to model correctly. Figure 1 shows a cartoon of mine collapse...
2018
Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat
Indonesian Petroleum Association
... reflection and refraction tomography (Allemand et al., 2017) and one additional pass of TLFWI with both refractions and reflections was applied...
2022
Utilizing Short Offset Data from a 3D Exploration Survey for Regional Seabed Morphology and Geohazard Mapping in Makassar Straits, Indonesia
Mazin Farouki, Francesco Paone, Andrea Marceglia, Francesca Felappi, Claudia Monti, Davide Della Moretta, Nikolay Nenov
Indonesian Petroleum Association
... offsets relative to water depth. Shallow water multiples and refractions can be a problem since 3D seismic acquisition geometry is optimized for much...
2012
Seismic Screening for Hydrocarbon Prospects Using Rock-Physics Attributes, #41608 (2015)
Per Avseth, Tor Veggeland
Search and Discovery.com
... and uncertainties • • • • • • • • • • • • • • • • Data quality (noise, multiples, imaging issues, processing artifacts) Overburden effects Offset to angle...
2015
Structure Beneath Continental Shelf, Northeastern Gulf of Mexico
John W. Antoine , James L. Harding
AAPG Bulletin
... reversed seismic refraction profiles in the northeastern Gulf of Mexico are presented in the form of four east-west and two north-south cross sections...
1965