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The AAPG/Datapages Combined Publications Database
Showing 18,835 Results. Searched 200,626 documents.
Littoral Transport in the Surf Zone Elucidated by an Eulerian Sediment Tracer Experiment
David B. Duane, William R. James
Journal of Sedimentary Research (SEPM)
... the reliability of the concentration measurements, it was judged more prudent to weight injection rates for various sizes by the grain frequency rather than...
1980
Raman Microscopy Analysis of Wyoming CarbonSAFE Pilot Well Thin Sections for Mineralogy and Organic Matter Characterization
Grant A. Myers, Trevor Brown, Shavinka Fernando, Erin Phillips, Fred McLaughlin
Unconventional Resources Technology Conference (URTEC)
... frequency (i.e. color) due to interactions with molecular vibrations in the substance. The shift in energy provides information about the molecular...
2021
Stratigraphic Framework of the San Andres Formation, Algerita Escarpment, Guadalupe Mountains, New Mexico
Charles Kerans
West Texas Geological Society
.... 203–232. Mitchum, R.M., Jr., and J.C. Van Wagoner, 1991, High frequency sequences and their stacking patterns: sequence stratigraphic evidence of high...
2000
Downhole Reservoir Raman System for Carbon Sequestration Measurement, Reporting, and Verification
Grant A. Myers, Alirza Orujov, Trevor Brown, Cody Morgan, Wade Bard, John Pope
Unconventional Resources Technology Conference (URTEC)
... low-frequency modes in molecules. This optically based chemically selective method provides a unique molecular fingerprint for identification. When...
2025
New Technology for Characterizing Louisiana's Shallow Coastal Water Bottoms and Predicting Future Changes
Harry H. Roberts , Charles A. Wilson , John Supan , and Walker Winans
GCAGS Transactions
... be used for evaluating future changes of such shallow water bottoms. Application of digital side-scan sonar (100 and 500 kHz) and a broad-spectrum...
1999
Interpreted Linear Features from Landsat Thematic Mapper Images, Southern Ute Indian Reservation, Colorado
Daniel H. Knepper Jr.
Utah Geological Association
... acquire digital image data in 6 spectral bands in the visible and near-infrared parts of the spectrum and 1 band in the thermal infrared. Visible...
1996
Improving subsalt images using FWI and FWI imaging: A streamer case study at Big Foot
Weihong Fei, Jingru Chen, Min Yang, Leah Grassi, Erik Everson, Paul Bovet, Marin Laomana, Sheree Wold, Alex Yanjun Hao, Chi Chen, Shubin Zeng, Zhiyuan Wei
International Meeting for Applied Geoscience and Energy (IMAGE)
... honors the geological coherences was applied to further shape the image spectrum towards higher frequencies to reveal more high frequency details...
2022
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
Application of phase stabilization Q migration in comprehensive evaluation and identification of tight-reservoir
Yi Bao, Hai-Bo Zhao, Xu Liu, Xiao-Wei Guan, Xin-Yue Song, Cheng Wang, Zai-Jin Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the Songliao Basin. During wave propagation, the high-frequency energy absorption and attenuation resulting low imaging resolution of deep weak...
2024
Long Climatic Time Series from Sediment Physical Property Measurements
Timothy D. Herbert, Larry A. Mayer
Journal of Sedimentary Research (SEPM)
... term evolution of climate in the Milankovitch frequency band, as well as to reconstruct patterns of carbonate sedimentation over time. Sedimentation...
1991
DL-fused elastic FWI: Application to marine streamer data
Pavel Plotnitskii, Oleg Ovcharenko, Vladimir Kazei, Daniel Peter, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... Abdullah University of Science and Technology, Thuwal, Saudi Arabia Aramco Americas, Houston, USA * † SUMMARY Low-frequency data is crucial...
2022
VSP Guided Reprocessing and Inversion of Surface Seismic Data
R. Gir, Dominique Pajot, Serge Des Ligneris
Southeast Asia Petroleum Exploration Society (SEAPEX)
.... The underlying assumption in VSP guided reprocessing is that both traces share the some reflectivity series and have a wide common frequency band...
1988
The Milankovitch Interpretation of the Latemar Platform Cycles (Dolomites, Italy): Implications for Geochronology, Biostratigraphy, and Middle Triassic Carbonate Accumulation
Nereo Preto, Linda A. Hinnov, Vittorio De Zanche, Paolo Mietto, Lawrence A. Hardie
Special Publications of SEPM
... measured in the lagoonal facies of the Middle Triassic Latemar platform (Dolomites, Italy) reveals a set of frequency components that we interpret...
2004
Seismic-Reflection Studies in the Huanghua Depression, Bohai Bay Basin, China
Zhao Xueping, Zhang Fumin, Yang Huairan
Circum Pacific Council Publications
.... Figure 16. Wave-spectrum percent and frequency spectrum curves for line 81-D56. 291 ZHAO, ZHANG, YANG DELTA-DEPOSITION SYSTEM depressions...
1989
Size Modes in Biogenic Carbonate Sediment, Southeastern Alaska
Charles M. Hoskin , Richard V. Nelson, Jr.
Journal of Sedimentary Research (SEPM)
... disintegration. Chemical interaction between shells and beach porewater is not active. Size-frequency distribution and point count data show that shell...
1971
3D Seismic from Planning to Mapping
A. Kullerud, O. Nipen, H. E. Nordberg
Indonesian Petroleum Association
... to a notch in the frequency spectrum and maximum response will be midway between the zero frequency and the notch frequency. Given the above...
1985
Mitigating the effects of guided waves in OBN data for acoustic FWI using data reconstruction: A data example from the Yggdrasil area
M. A. H. Zuberi, E. Cho, T. Seher, R. Myklebust
International Meeting for Applied Geoscience and Energy (IMAGE)
... source. All wavefields in the derivation below are in frequency-space domain (complex quantities). The symbol † in superscript represents a Hermitian...
2023
Determining Bedding Slip Planes With Microseismic Processing
Natalia Verkhovtseva, Ben Bagherian, Timur Mukhtarov
Unconventional Resources Technology Conference (URTEC)
... and subtracted from the analysis, which resulted in a more accurate estimation of corner frequency. Figure 7. Displacement spectrum used for calculating...
2017
Direct Reservoir Imaging: The Need for Innovative Advancement in Exploration and Production, #41510 (2014).
Sofia Khan
Search and Discovery.com
... or Drag Wave™. This Slow Wave travels at a lower velocity than the velocity of the compressional wave. This phenomenon creates a very low frequency wave...
2014
Sequence Stratigraphic Boundary Delineation Based on Adaptive Seismic Decomposition, #42067 (2017).
Fangyu Li, Rui Zhai, Jie Qi, Bo Zhang, Kurt J. Marfurt
Search and Discovery.com
... decomposition methods, the VMD decomposes seismic signal in the frequency domain, which makes it more robust and optimal. Without any priori knowledge...
2017
Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).
Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong
Search and Discovery.com
.... There are three main steps during Q tomography. (1) Estimating attenuated travel time from amplitude spectrum or frequency shift characteristics. (2) Generating...
2017
Late Miocene and Early Pliocene High-Frequency Lake Level Cycles in Lacustrine Hydrocarbon Reservoir Strata, South Caspian Basin: Insights for Subseismic-scale Lithofacies Variations
Dag Nummedal, H. Edward Clifton, Eileen Williams
AAPG Special Volumes
...Late Miocene and Early Pliocene High-Frequency Lake Level Cycles in Lacustrine Hydrocarbon Reservoir Strata, South Caspian Basin: Insights...
2012
Raman spectroscopic analysis of carbonaceous matter and silica in the test walls of recent and fossil agglutinated foraminifera
David H. McNeil, H. Georg Schulze, Emily Matys, and Tanja Bosak
AAPG Bulletin
... modes. These changes in frequency (the Stokes and anti-Stokes Raman shifts, respectively) of the scattered light can be displayed as a spectrum...
2015
Vaporchoc: Utilization of Steam as a New Seismic Source
P. Staron
Pacific Section of AAPG
... meters, chosen to adapt the surface reflection filtering to the normally desired spectrum. Figure 4 shows the demineralizer unit. The demineralization...
1972
Interpreting 3D Seismic Data for Fractured Unconventional Gas Reservoirs
James J. Reeves
West Texas Geological Society
...). Gas sensitive seismic attributes such as the phase gradient (an AVO attribute first developed by Geo-Spectrum) or frequency dependent seismic...
2005