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The AAPG/Datapages Combined Publications Database
Showing 552 Results. Searched 200,663 documents.
Bayesian geophysical inversion with Gaussian process machine learning and trans-D Markov chain Monte Carlo
Anandaroop Ray, David Myer
Petroleum Exploration Society of Australia (PESA)
... the physics for which would require many pixels. Further, we demand that the data coverage and noise levels should determine the complexity of the model...
2019
Nanoparticle-Encapsulated Acids for Stimulation of Calcite-Rich Shales
Robin Singh, Songyang Tong, Krishna Panthi, Kishore Mohanty
Unconventional Resources Technology Conference (URTEC)
... 1564 pixels. Shale Fracture Conductivity The objective of this experiment was to quantify the change in fracture conductivity due to acid-induced surface...
2018
Pore-Scale Simulation of Pre-Darcy Flow and Boundary-Layer Effects in Low-Permeability Porous Media Using the Lattice Boltzmann Method
Quanyu Pan, Linsong Cheng, Pin Jia, Renyi Cao, Yongchao Xue, Hassan Dehghanpour
Unconventional Resources Technology Conference (URTEC)
... model image has a resolution of 400× 400 pixels, with one pixel corresponding to 100 nm, yielding a physical domain of 40 µ × 40 µ (as shown...
2025
An Integrated Cathodoluminescence Video-Capture Microsampling System: RESEARCH METHODS PAPERS
Bruce W. Fouke , John Rakovan
Journal of Sedimentary Research (SEPM)
...) 494(W) pixels, allowing direct production of publication-quality color and black-and-white photographic enlargements up to 8 cm in diameter from...
2001
How to Overcome Imaging Problems Associated with Carbonate Minerals on Sem-Based Cathodoluminescence Systems: RESEARCH METHODS PAPERS
Robert M. Reed, Kitty L. Milliken
Journal of Sedimentary Research (SEPM)
... and the next). The idea is that the pause between pixels will overcome the persistence problem and allow panchromatic imaging. Interpixel delays of as much...
2003
Lithofacies and Pore-Structure Characterization of the Mid-Continent Mississippian Limestone, Grant County, Oklahoma; #80627 (2018)
Fnu Suriamin, Matthew J. Pranter
Search and Discovery.com
... partitioned by assigning pore phase to all pixels containing blue color tones that represent impregated blue epoxy. To enhance this process, ESEM...
2018
Tracking authigenic mineral cements in fossil bones from the Upper Cretaceous (Campanian) Two Medicine and Judith River formations, Montana
Raymond R. Rogers, Anik K. Regan, Lucas N. Weaver, Jeffrey T. Thole, Henry C. Fricke
PALAIOS
... as a series of high-resolution images (2048 3 2048 pixels) and montaged in Adobe Photoshop, where they were adjusted using the curves tool to increase...
2020
Fracture-enhanced Porosity and Permeability Trends in the Bakken Formation, Williston Basin, Western North Dakota
Wayne B. Freisatz
Williston Basin Symposium
..., the Landsat interpreter draws a line to represent the linear arrangement of like pixels in the image. This process may be quite subjective...
1995
Analyzing Dune Foreset Cyclicity In Outcrop With Photogrammetry
Derek A. Hayes, Eric R. Timmer, Jared L. Deutsch, Michael J. Ranger, Murray K. Gingras
Journal of Sedimentary Research (SEPM)
... and Szeliski 2002; Seitz et al. 2006). Since all pixels are used in this step, the resulting output is capable of showing fine details of the outcrop...
2017
Increasing The Resolution of Seismic Imaging With Spectral Blueing, Spectral Decomposition RGB And HSV Blending to Delineate The Fluvial Facies on Fluvio Deltaic Environment
Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria
Indonesian Petroleum Association
... (volumetric pixels) at coordinates x, y, z in each input image. Together with intensity and saturation, the three images will contribute to C_out (x,y,z...
2022
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)
... reflectance ranges. The map pixels with low amounts of organic matter and lack-of-fit to the two-peak NIPF model greater than 10% are colored black...
2021
Deep Learning Models for Methane Emissions Identification and Quantification
Ismot Jahan, Mohamed Mehana, Bulbul Ahmmed, Javier E. Santos, Dan O’Malley, Hari Viswanathan
Unconventional Resources Technology Conference (URTEC)
... dimension is 128*128 pixels, and only one channel represents a value of retrieved CH4 enhancement from the log-transformed images. The model has 5...
2023
Structural analysis using 3D digital outcrop model: A case study in Kebun 500 outcrop, Kedah, Peninsular Malaysia
Tan Yan Eng, Choong Chee Meng, Nur Huda M Jamin, Muhammad Aslam Md Yusof
Geological Society of Malaysia (GSM)
... positioning systems to precisely geo-reference the images taken. Each digital photograph has 4000 × 3000 pixels and was taken at slightly different angles from...
2024
Application of Machine Learning Methods to Assess Progressive Cavity Pumps (PCPs) Performance in Coal Seam Gas (CSG) Wells
Fahd Saghir, M. E. Gonzalez Perdomo, Peter Behrenbruch
Australian Petroleum Production & Exploration Association (APPEA) Journal
... of 48 Â 48 Â 3 (6912 pixels). With the CAE, we reduce the dimensionality of the image to latent space, which helps to improve the model training time...
2020
Taphonomic analysis of the paleoentomofauna assemblage from the Cenozoic of the Fonseca Basin, Southeastern Brazil
Francisco Irineudo Bezerra, Enzo Victorino Hernandez Agressot, Monica M. Solorzano-Kraemer, Paulo Tarso C. Freire, Alexandre Rocha Paschoal, Joao Herminio Da Silva, Marcio Mendes
PALAIOS
... dispersive Xray spectroscopy (EDS). Images were acquired at a beam acceleration voltage of 20 kV, using a resolution of 1024 3 884 pixels per image...
2021
Hyperspectral imaging as an aid for facies analysis in massive-appearing sediments: a case study from the middle McMurray Formation
Alina Shchepetkina, Michelle Speta, Murray K. Gingras, Benoit Rivard, S. George Pemberton
CSPG Bulletin
.... A schematic diagram of a hyperspectral data cube, where x and y represent the spatial coordinates of the pixels of the digital image and λ represents...
2017
Chapter 3: Nanoscale Imaging of Organic Matter and Wettability of Oil-Window Shales
Andrew Fogden, Terri Olson, Andrew G. Christy
AAPG Special Volumes
... voltage, with 7.5 μm aperture, and a working distance of 2 mm. Micrographs (2048 × 1536 pixels) were acquired at × 10k magnification to provide...
2016
Annually Laminated Sequences in the Internal Structure of Some Belgian Stalagmites--Importance for Paleoclimatology
Dominique Genty , Yves Quinif
Journal of Sedimentary Research (SEPM)
... on a vertical polished section. Three images, 512 pixels high, were needed to construct God-stm5 profile, and four images were needed to construct God-stm10...
1996
Experimental Test of Tectonic Controls on Three-Dimensional Alluvial Facies Architecture
Thomas A. Hickson, Ben A. Sheets, Chris Paola, Michael Kelberer
Journal of Sedimentary Research (SEPM)
... to each stage of the experiment at that downstream position. These sub-images were then broken down into vertical swaths 200 pixels (20 cm) wide...
2005
The Influence of Fault Permeability on Single-Phase Fluid Flow Near Fault-Sand Intersections: Results from Steady-State High-Resolution Models of Pressure-Driven Fluid Flow
Stephan K. Matthai , Stephen G. Roberts
AAPG Bulletin
... into a regular grid of pixels for display. In the finite-element model these boundaries are smooth. The smallest squares, seen as steps in the pixel images...
1996
Physical Oceanographic Influences On Sedimentology of Reef Sand Aprons: Holocene of Aranuka Atoll (Kiribati), Equatorial Pacific
Hannah N. Wasserman,, Eugene C. Rankey
Journal of Sedimentary Research (SEPM)
... and context for samples. The location of each observation point was marked with a hand-held GPS (positional error estimated at less than two pixels...
2014
The Extent and Patterns of Sediment Filling of Accommodation Space On Great Bahama Bank
Sam J. Purkis, Paul M. Mitch Harris
Journal of Sedimentary Research (SEPM)
...) pixel in the facies map. These pixels were then iteratively visited, and for each, the straight-line distance to every coastline node was calculated (Fig...
2016
Biosignature Preservation Aided by Organic-Cation Interactions in Proterozoic Tidal Environments
Kelsey R. Moore, Theodore M. Present, Frank Pavia, John P. Grotzinger, Joseph Razzell Hollis, Sunanda Sharma, David Flannery, Tanja Bosak, Michael Tuite, Andrew H. Knoll, Kenneth Williford
PALAIOS
... 3 1024 pixels with 3 frames, 25 ls dwell time, and between 1.5k3 and 3k3 magnification. Multiple phases within each ROI were also analyzed using single...
2022
Integrated Study of Ancient Delta-Front Deposits, Using Outcrop, Ground-Penetrating Radar, and Three-Dimensional Photorealistic Data: Cretaceous Panther Tongue Sandstone, Utah, U.S.A.
Cornel Olariu, Janok P. Bhattacharya, Xueming Xu, Carlos L.V. Aiken, Xiaoxian Zeng, George A. Mcmechan
Special Publications of SEPM
.... In reflectorless mode has a range of 80 meters and 1 cm accuracy. Professional digital camera with a maximum resolution of 3040 X 2016 pixels. Different Nikon...
2005
Using Structure-From-Motion Photogrammetry to Recognize Lateral Versus Forward Accretion Bedforms in the Lower Cretaceous McMurray Formation, NE Alberta, Canada
Derek A. Hayes, Eric R. Timmer, Michael J. Ranger, Jeffrey L. Kavanaugh, Murray K. Gingras
CSPG Bulletin
... that output sparse point clouds based on feature points, and later on dense point clouds using the pixels of each image throughout the photograph dataset...
2018