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The AAPG/Datapages Combined Publications Database
Showing 226 Results. Searched 200,293 documents.
The Deep Crustal Structure of the Wilkes Land Continental Margin
J. R. Childs, H. M. J. Stagg
Circum Pacific Council Publications
... aboard the R / V S.P. Lee (Figs. 1 , 2 ) yielded considerable quantities of marine refraction, gravity, and magnetics data. These data provide...
1987
Wide-Angle Seismic-Reflection and -Refraction Data from the Solomon Islands
A. K. Cooper, R. A. Wood
Circum Pacific Council Publications
...Wide-Angle Seismic-Reflection and -Refraction Data from the Solomon Islands A. K. Cooper, R. A. Wood © CircumPacific Council for Energy and Mineral...
1986
The Dawning of Geophysical Exploration
Tom K. Fulton, Haynie Stringer
Petroleum History Institute
... located with refraction seismic and 11 by the Torsion Balance. These discoveries, coupled with other discoveries in Texas and elsewhere from 1894...
2009
Nonlinear LS-RTM based on the seismic scale separation and full-wavefield multiparameter FWI
ystein Korsmo, Yang Yang, Nizar Chemingui, Andrey Pankov, Antonio Castiello
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the modeling engine has to initiate the complete wavefield; diving waves, refractions and reflections (beyond Born approximations). In Figure 1, we show...
2022
EXTENDED ABSTRACT: Basalt Imaging on the NE Atlantic Margin: seeing through a glass, darkly; #90022 (2002)
Robert S. White
Search and Discovery.com
... much of the seismic energy. Short-period ringing, simple and peg-leg multiples obscure weak sub-basalt reflections with similar move-out; the high...
2002
Seismological Discovery and Partial Detail of Vermilion Bay Salt Dome, Louisiana
E. E. Rosaire , O. C. Lester, Jr.
AAPG Bulletin
... to Cypremort Point, and thence by boat to the dome. DISCOVERY This salt dome was discovered on September 25, 1927, in a reconnaissance refraction...
1932
High-End Model Building Techniques for Revealing a Pre-Carbonate Reservoir Offshore East Natuna Basin, Indonesia
Jun Wang, Yonghe Guo, Yitao Chen, Muhammad Nauvall Juliansyah, Nick Crabtree
Indonesian Petroleum Association
... with both refractions and reflections generally requires a better initial model than refraction-only FWI, so the first pass of TLFWI using mainly...
2023
Navigating full-waveform inversion success in Mexico with complex geology: Shallow-water and land case studies
Wei Kang, Federico Fenoglio, Liubov Mulisheva, Pavel Vasilyev, Luxin Zhang, Abdalla Abouelela, Xin Cheng, Denes Vigh, Silvino Dominguez Garcia, Alejandro Cabrales, Alfredo Vazquez Cantu
International Meeting for Applied Geoscience and Energy (IMAGE)
... azimuth of the existing data when the exploration targets are beyond refraction penetration depth and present sharp velocity contrasts. To overcome...
2024
Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014)
Saul E. Guevara, Gary F. Margrave, and William M. Agudelo
Search and Discovery.com
... of S-wave refractions, besides Rayleigh waves and probably other wave modes. These events show a lower frequency content than the uphole data, and some...
2014
Application of Seismic Shear Wave Refraction for Subsurface Soil Dynamic Investigation at Bukit Changgang, Banting, Selangor
Abdul Rahim Samsudin, Khairul Anuar Mohd. Nayan, Umar Hamzah
Geological Society of Malaysia (GSM)
...Application of Seismic Shear Wave Refraction for Subsurface Soil Dynamic Investigation at Bukit Changgang, Banting, Selangor Abdul Rahim Samsudin...
1997
Structure of Extensionally Rifted Crust Beneath the Western Ross Sea and Iselin Bank, Antarctica, from Sonobuoy Seismic Data
A. K. Cooper, F. J. Davey, G. R. Cochrane
Circum Pacific Council Publications
... surveys. Seismic¬ refraction measurements have also been made from the fast ice in McMurdo Sound (lies and Dibble, 1 9 8 1 ; McGinnis et al., 1 9 8 3 , 1 9...
1987
Velocity Analyses of Near Seafloor Strata Based on Multichannel Seismic Data from the Tonga Platform
Jeffrey E. Cole, Dennis M. Mann
Circum Pacific Council Publications
... shallow enough, and the seabed strata sufficiently "fast", that refraction arrivals appeared on the outer traces. Muting was required to remove these outer...
1985
Azimuth Without Time: GEOLOGICAL NOTES
Lon S. McGirk, Jr.
AAPG Bulletin
...------------------------------ error because of differing refraction of the air. The method is highly recommended, however, for those who are willing to sacrifice...
1961
Some Applications and Problems of the Seismic Refraction Technique in Civil Engineering Projects in Malaysia
B. K. Lim, S. J. Jones
Geological Society of Malaysia (GSM)
...Some Applications and Problems of the Seismic Refraction Technique in Civil Engineering Projects in Malaysia B. K. Lim, S. J. Jones Geol. Soc...
1982
Data Enhancement from a 486-Channel Streamer
Bill Dragoset, Ken Larner
Pacific Section of AAPG
... (the first 100 msec should be discounted because of wide-angle reflection and refraction effects) and clearly better signal-to-noise ratio in the deeper...
1980
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)
...-offset data, which could compensate for the limited refraction penetration depth and resolve deep structures related to allochthonous salt...
2022
Diving Deeper to Reveal Hydrocarbon Potential in the Barents Sea
Sören Naumann, Rune Sakariassen, PGS
GEO ExPro Magazine
... particularly strong and stable refractions (diving waves) and refraction-based FWI has been widely used to create detailed velocity models in the Barents Sea...
2019
Chapter 10-part 3: 3-D Depth Image Interpretation
William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel
AAPG Special Volumes
... waves, refractions, mode conversions, multipaths and multiples. These are most common in areas of complex structure and high velocity contrasts...
2011
Geophysical Reconnaissance on African Shelf: 2. Margin Sediments from Gulf of Guinea to Walvis Ridge
R. Leyden , G. Bryan , M. Ewing
AAPG Bulletin
... of the margin and 26 sonobuoy refraction profiles were recorded in the region. Seismic refraction velocities averaging 4.3 km/sec at depths of 4.5 km...
1972
High Frequency Full Waveform Inversion as an Interpretation Solution
Laurence Letki, Matt Lamont, Troy Thompson
Australian Petroleum Production & Exploration Association (APPEA) Journal
...), have therefore become a lot more practical. FWI uses the entire wavefield, including refractions and reflections, primaries and multiples, to generate...
2019
UK Continental Shelf: An Evolution in 3D Seismic Imaging of the Central North Sea
Matthew Dack, Gregor Duval, CGG
GEO ExPro Magazine
... of the overburden. In addition, CGG’s proprietary Time-Lag FWI which incorporates reflections and refractions was also run for deeper velocity updates...
2021
The Use of Physical Modeling to Resolve Offshore Seismic Problems
B. J. Evans, M. Urosevic
Indonesian Petroleum Association
... impedance contrast. To remove water-bottom multiples within the fluorocarbon fluid, water can be poured over the fluid, thereby increasing the effective tank...
1995
Value of conventional PS-wave velocity analyses for PSDM of deep-water OBS data
James Gaiser, James Simmons, Moacyr de Souza Bezerra
International Meeting for Applied Geoscience and Energy (IMAGE)
... waves are predominantly P-wave primary reflections, that provide data for registration with PS-waves. Of course, other interbed upgoing multiples can...
2022
Fluorescence (Photoluminescence) of Carbonate Rocks: Instrumental and Analytical Sources of Observational Error: RESEARCH METHOD PAPER
Karen Rose Cercone , Vicki A. Pedone
Journal of Sedimentary Research (SEPM)
..., caused by sample preparation materials; and 3) internal reflection or refraction of fluo escent light. Failure to recognize these problems in the past...
1987
Critical Analysis of Stack Seismic Systems
L. E. Nugent, Jr.
AAPG Bulletin
... of Huygen and Fermat concerning wave advancement and minimum time paths, and Snell's law on refraction and reflection. Figure 2 has the same field...
1967