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The AAPG/Datapages Combined Publications Database
Showing 552 Results. Searched 200,663 documents.
MICROORGANISMS, ORGANIC CARBON, AND THEIR RELATIONSHIP WITH OXIDANT ACTIVITY IN HYPER-ARID MARS-LIKE SOILS: IMPLICATIONS FOR SOIL HABITABILITY
JULIO E. VALDIVIA-SILVA, FATHI KAROUIA, RAFAEL NAVARRO-GONZALEZ, CHRISTOPHER MCKAY, FATHI KAROUIA, RAFAEL NAVARRO-GONZALEZ, CHRISTOPHER MCKAY
PALAIOS
... of bacterial biomass in terms of pixels (Kemp 1993; Posch et al. 2001). Phospholipid Fatty Acid Analysis (PLFA).—PLFA analyses on 50 g soil samples were...
2016
The Effect of Clay Type On the Properties of Cohesive Sediment Gravity Flows and Their Deposits
Megan L. Baker, Jaco H. Baas, Jonathan Malarkey, Ricardo Silva Jacinto, Melissa J. Craig, Ian A. Kane, Simon Barker
Journal of Sedimentary Research (SEPM)
..., On the concentration structure of high-concentration constant-volume fluid mud gravity currents: Physics of Fluids, v. 25, no. 016602. Kane, I.A., and Pontén...
2017
Guide to Coastal Outcrops of the Monterey Formation of Western Santa Barbara County, California
John B. Dunham
Pacific Section SEPM
... Paleontologists and Mineralogists For copies of this volume, write to: Treasurer, Pacific Section S.E.P.M. P.O. Box 10359 Bakersfield, CA 93389 Member $ 6.00...
1987
Bayesian artificial intelligence for geologic prediction: Fracture case study, Horn River Basin
S. M Agar, W. Li, R. Goteti, D. Jobe, S. Zhang
CSPG Bulletin
...-length in unconventional stimulated reservoir volume in a multi-fractured horizontal 8 well full pad – Canadian Horn River Basin case study. SPE-AAPG...
2019
Spatial and Temporal Evolution of an Avulsion on the Taquari River Distributive Fluvial System from Satellite Image Analysis
Holly A. Buehler, Gary S. Weissmann, Louis A. Scuderi, Adrian J. Hartley
Journal of Sedimentary Research (SEPM)
... this multi-step PCA approach, typically the splay-channel pixels fall within a wide range of digital number values that limits application of a semi...
2011
Multivariate Pattern Recognition and Classification Methods: Chapter 4
John H. Doveton
AAPG Special Volumes
.... Snell, 1960, Finite Markov chains: Princeton, Van Nostrand, 210 p. Kerzner, M. G., and E. Frost, Jr., 1984, Blocking--a new technique for well log...
1994
Active Ooid Growth Driven By Sediment Transport in a High-Energy Shoal, Little Ambergris Cay, Turks and Caicos Islands
Elizabeth J. Trower, Marjorie D. Cantine, Maya L. Gomes, John P. Grotzinger, Andrew H. Knoll, Michael P. Lamb, Usha Lingappa, Shane S. O'Reilly, Theodore M. Present, Nathan Stein, Justin V. Strauss, Woodward W. Fischer
Journal of Sedimentary Research (SEPM)
.... Wadell, H., 1932, Volume, shape, and roundness of rock particles: The Journal of Geology, v. 40, p. 443–451. Wagner, A.J., Guilderson, T.P., Slowey...
2018
Refining our understanding of the subsurface geology using deep learning techniques
Salma Alsinan, Philippe Nivlet, Hamad Alghenaim
International Meeting for Applied Geoscience and Energy (IMAGE)
... as they could affect the semantic meaning behind the pixels in the seismic image. This work addresses the point raised at the end of Alsinan et al. (2021...
2022
Identifying geologic facies through seismic dataset-to-dataset transfer learning using convolutional neural networks
Joseph Stitt, Adam Shugar, Rachael Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... that localizes the context and information captured by the encoding path. Since we pre-processed our input images into a final size of 128x128 pixels, we...
2022
Remote Sensing as an Aid to Petroleum and Mining Exploration
J. C. Rivereau, A. Fontanel
Indonesian Petroleum Association
... scales, it is necessary to obtain a "numerical" enlargement which makes use of interpollation between successive pixels. Fig. 14 shows such an example...
1976
A self-attention enhanced encoder-decoder network for seismic data denoising
Stefan Knispel, Jan Walda, Ruediger Zehn, Alexander Bauer, Dirk Gajewski
International Meeting for Applied Geoscience and Energy (IMAGE)
..., it was split into smaller images with a size of 256 × 256 pixels and padded for the application. For the supervised training, we used an initial learning rate...
2022
Automated metallic pipeline detection using magnetic data and convolutional neural networks
Brett Bernstein, Yaoguo Li, Richard Hammack
International Meeting for Applied Geoscience and Energy (IMAGE)
... photo. A digital photo is simply a 2D grid of pixels whose information is contained in the amplitude at each grid location. This description can also...
2022
3D density imaging of cosmic-ray muography with adjustable angular resolutions
Chenyan Wu, Dikun Yang, Zhongchang Chen, Ke Wang, Tao Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... detector with two plates of 7×7 pixels (sensor unit 5×5 cm each) has (2 × 7 − 1) × (2 × 7 − 1) = 169 discrete ray path directions. The empirical formulas...
2022
Quantitative Analysis of the Dimensions and Distribution of Channelized Fluvial Sandbodies Within A Large Outcrop Dataset: Upper Cretaceous Blackhawk Formation, Wasatch Plateau, Central Utah, U.S.A.
Yvette S. Flood, Gary J. Hampson
Journal of Sedimentary Research (SEPM)
... at the top left of the binary image of the cliff-face panel or its stratigraphic subdivision, and the number of pixels representing sandstone (in black...
2015
Using deep learning for automatic detection and segmentation of carbonate microtextures
Claire Birnie, Viswasanthi Chandra
International Meeting for Applied Geoscience and Energy (IMAGE)
... words, we are striving to detect which pixels within an SEM image correspond to which crystals. Figure 2 illustrates the different deep learning...
2022
An integrated workflow of improving the accuracy of first arrivals picking via deep learning
Yitao Pu, Bo Zhang, Chenglin Wei, Yingyu Xu, Hongfei Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... interpreted shot gathers, is 64 by 1024 pixels. The training data and validation data consist of 6839 and 1954 images, respectively. We apply the HU-net (Xie et...
2022
OpenFWI 2.0: Benchmark Datasets for Elastic Full-waveform Inversion
Shihang Feng, Hanchen Wang, Chengyuan Deng, Yinan Feng, Min Zhu, Peng Jin, Yinpeng Chen, Youzuo Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... model shares the same shape (either flat or curved) as its corresponding VP model, but its thickness (maximum of 8 pixels) and depth are also...
2023
NORTHWEST EUROPE
GEO ExPro Staff
GEO ExPro Magazine
... of 7 giga-pixels. However, as late as 2011, whole slide scanners still did not attain sufficient speed and image resolution suitable for palynology...
2023
Anti-aliasing seismic data interpolation by dip-informed self-supervised learning
Shirui Wang, Xuqing Wu, Jiefu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... discard pixels in alternate columns and rows for down-sampling layers, while employing zero-padding for the up-sampling layers. The dip map is shared...
2023
A ground roll attenuation method based on CAResU-net with adaptively frequency-induced loss
Siyu Sun, Guosong Tang, Wei Bao, Guofa Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... attention to the relationship between the pixels in the f-k domain, rather than just the difference in the pixel level in the timespace domain, which...
2024
De-risking low saturation gas (LSG) using controlled source electromagnetic data and multiphysics interpretation in deep water Trinidad and Tobago
Juan-Mauricio Florez, James Cai, J. P. Blangy, Marjorie Nogueira, Ingrid Cordon, Kerry Nicholas, Shenghui Li
International Meeting for Applied Geoscience and Energy (IMAGE)
..., although robust approach, it is possible to classify all the pixels in the map to generate a risk map like the one shown in Figure 10. When all...
2024
Hyperspectral imaging of sedimentary iron ores beyond borders
Lionel C. Fonteneau, Brigette Martini, Don Elsenheimer
Petroleum Exploration Society of Australia (PESA)
... allows the pixels of the three data sets to correspond to the same points in space. Core trays are staged using a 3-axis translation table module...
2019
Automatic detection of DAS-recorded microseismic fracture reflections
Youfang Liu, Ivan Lim, Chen Ning, Kurt Nihei
International Meeting for Applied Geoscience and Energy (IMAGE)
... instead of using neighboring pixels in the image (Liu et al., 2022). It largely increases the reflection amplitudes in the F-K plots, making it easier...
2024
Enhancing seismic image resolution using Brownian diffusion bridge model
Bingbing Sun, Abdulmoshen M. Ali, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
.... For instance, in our current work, we adjusted the for processing is 64 by 64 pixels. In practical applications, we model using Denoising Diffusion...
2024
Process-Based Microfluidics: Tools for Quantifying the Impact of Reservoir Quality on Recovery Factor
Lucas Mejia, Ayaz Mehmani, Matthew Balhoff, Carlos Torres-Verdin
Unconventional Resources Technology Conference (URTEC)
... originating from each diagenetic modification. Note that the fracture exhibits a white coloration because it is much deeper than the matrix; pixels...
2019