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The AAPG/Datapages Combined Publications Database
Showing 226 Results. Searched 200,293 documents.
Refraction multiple attenuation by pattern-based machine learning with a case study
Chunming Wang, Xiaohong Chen, Yongsheng Wang, Christof Stork, Sissy Theisen, Seann Day, Junru Jiao, Grace Yan, Xianhuai Zhu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., which makes attenuation of multiples critical to obtain meaningful subsurface image. P & S Refraction multiples, or later refractions, are a common...
2024
Abstract: Building Accurate Depth-Velocity Models in Shallow Water Marine Environment by Joint Reflection/Refraction Velocity Inversion; #90246 (2016)
Sergey Birdus
Search and Discovery.com
...Abstract: Building Accurate Depth-Velocity Models in Shallow Water Marine Environment by Joint Reflection/Refraction Velocity Inversion; #90246 (2016...
2016
Analog Model and Synthetic Seismogram Studies of Long Range Refraction Method: ABSTRACT
Stanley J. Laster, Richard Schell, Milo M. Backus
AAPG Bulletin
...Analog Model and Synthetic Seismogram Studies of Long Range Refraction Method: ABSTRACT Stanley J. Laster, Richard Schell, Milo M. Backus 1963 1772...
1963
Amplitude enhancement of far-offset refractions via machine learning
Lurun Su, Han Wang, Jie Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... but attenuating noise. We apply raw data with weak refractions as inputs and high amplitude refraction data as labels of the network. To prevent...
2022
Broad bandwidths reveal double the expected sediment depth in the Northern Carnarvon Basin
Jo Firth, Mark Stanley
Petroleum Exploration Society of Australia (PESA)
... discrimination and removal problematic. The characteristic impedance variation within the carbonates also produces interbed multiples, further...
2016
Abstract: Supervirtual S-wave Refraction Interferometry for Converted Wave Statics and Near-Surface S-wave Velocity Model Building; #90224 (2015)
Kristof De Meersman and Yoones Vaezi
Search and Discovery.com
... at high take-off angles making them ideally suited for refraction and turning wave analysis. However, S-wave refractions are rarely used because...
2015
Eye-Openers from Re-Processing of Oil Sands Seismic Data; #41290 (2014)
David Gray, Seann Day, and Scott Shapper
Search and Discovery.com
... the seismic gathers at these wide angles. Wide-angle noise such as multiples, converted-waves, refractions, and first-break reverberations must also...
2014
Joint designature of data with a diversity of sources
Shuki Ronen, Thibaut Allemand, Stphane Laroche, Philippe Herrmann, Hamish Macintyre, Maksym Kryvohuz, Guido Baetan
International Meeting for Applied Geoscience and Energy (IMAGE)
... (1) signal is dominated by water break and its multiples. On the right of the dotted line (2) the signal is dominated by refractions. Compa...
2022
Enhancing the accuracy of DBSCANs first arrival traveltime picking using super-virtual refraction interferometry
Muhammad Awais, Sherif M. Hanafy, King Fahd
International Meeting for Applied Geoscience and Energy (IMAGE)
..., 2013, Increasing the number and signal-to-noise ratio of OBS traces with supervirtual refraction interferometry and free-surface multiples...
2022
Abstract: Modeling of Lampas Kaolin Occurrence, Km 12, Spg. Pulai-Pos Slim, Ipoh by Shallow Seismic Refractions Imaging (P4B-5)
Kamar Shah Ariffin
Geological Society of Malaysia (GSM)
...Abstract: Modeling of Lampas Kaolin Occurrence, Km 12, Spg. Pulai-Pos Slim, Ipoh by Shallow Seismic Refractions Imaging (P4B-5) Kamar Shah Ariffin...
2007
Abstract: 3C Deghosting for Refraction Time-lapse Monitoring; #90187 (2014)
P. B. Wills and K. De Meersman
Search and Discovery.com
... and various multiples. This downhole record justifies the need for ghost removal from the analogous surface refraction data set and which is the main topic...
2014
Abstract: Multiple and Noise Attenuation with Tau-P Seismic Data Processing
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... geometry and noise characteristics. In an original shot gather, multiples are not periodic in time for all non-zero offsets. The T-p transform separates...
1990
Abstract: An Application of 2D Acoustic Datuming: Seeing through Outcropping Volcanics, by G. Omnes; #90942 (1997).
Search and Discovery.com
1997
Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)
Juefu Wang and Shaowu Wang
Search and Discovery.com
... dimensions is applied to remove multiples and preserve primaries. Synthetic data example demonstrates that SRME algorithm can be used to process land data...
2014
Offset Panel Aids Processor and Interpreter: ABSTRACT
Thomas K. Fulton, K. Michele Darr
AAPG Bulletin
... from patterns due to changes in seismic source or receiver. Both reflection and refraction data are used in the display. Reflection data of the near...
1982
First Results of Inaugural Deployments of the Australian National Ocean Bottom Seismograph Fleet
Alexey Goncharov, Ashby Cooper, Peter Chia, Michal Malinowski
Petroleum Exploration Society of Australia (PESA)
... Moho refractions (Fig. 3). These refraction phases that can be tracked at some OBS sites to 100+ km offsets are critically important because...
2016
Seismic Interpretation I and II--Recent Advances in Seismic Exploration: ABSTRACT
Ray L. Sengbush
AAPG Bulletin
... desirable properties, such as zero phase. The geometric model overcomes the one-dimensional shortcoming of the filter model, and allows for refractions...
1973
Extended Abstract: A Mapping Accord Project: Sedimentary Basins of Eastern Australia, with Comments on 1989 Bowen Basin Deep Seismic Profiles
R. J. Korsch, K. D. Wake-Dyster, D. W. Johnstone
Petroleum Exploration Society of Australia (PESA)
... of acquisition, such as reflected refractions and multiples, are visible in this section (Figure 4). In summary, the BMR deep seismic data across the Bowen Basin...
1990
Outlining Shale Masses By Geophysical Methods
A. W. Musgrave , W. G. Hicks
AAPG Special Volumes
... by refraction shooting. The low density values were deduced from gravity measurements. The low resistivity levels are shown on electric logs, and high pressure...
1968
Abstract: Monitoring Active Steam Injection through Time-lapse Seismic Refraction Surveys; #90174 (2014)
Byron M. Kelly and Don C. Lawton
Search and Discovery.com
...Abstract: Monitoring Active Steam Injection through Time-lapse Seismic Refraction Surveys; #90174 (2014) Byron M. Kelly and Don C. Lawton AAPG...
2014
Incorporating refraction time-shifts into geophysical monitoring systems for monitoring shallow CO2 accumulations
Martyn Steel, Sjoerd A.L. De Ridder, Mike Branston, James Butt, Gabrielle Busanello
International Meeting for Applied Geoscience and Energy (IMAGE)
...Incorporating refraction time-shifts into geophysical monitoring systems for monitoring shallow CO2 accumulations Martyn Steel, Sjoerd A.L. De Ridder...
2023
Seismic Foldout: FWI Imaging Under Complex Geological Anomalies
Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS
GEO ExPro Magazine
..., better illumination, and improved amplitude consistency). 48 | GEO EXPRO 2-2023 Figure 2: a) Tomography and 15Hz DM FWI (refraction) velocity model...
2023
Geophysical Reconnaissance on African Shelf: I. Cape Town to East London
R. Leyden , M. Ewing , E. S. W. Simpson
AAPG Bulletin
... with magnetics and gravity recorded en route. The results of previously reported explosion seismic refraction profiles and geologic mapping of the shelf...
1971
Abstract: First-Arrival TomoStatics and Residual Statics for Near-Surface Corrections; #90211 (2015)
Jie Zhang, Oz Yilmaz, and Nanxun Dai
Search and Discovery.com
... refractions. From the refraction traveltimes corrected by tomostatics, we invert the short wavelength shot and receiver residual statics. This two-step...
2015
Abstract: Unveiling the secrets of the Queen Charlotte Basin
Denise Long
Atlantic Geology
... Denise Long University of New Brunswick, Fredericton, New Brunswick E3B 5A3, Canada In July 1988, a large seismic reflection and refraction survey...
1993