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The AAPG/Datapages Combined Publications Database
Showing 25,978 Results. Searched 200,293 documents.
Abstract: Greedy Least-Squares and its Application in Radon Transforms; #90171 (2013)
Juefu Wang and Mark Ng
Search and Discovery.com
... of the threshold value—note that the bigger the threshold value, the higher the resolution. The algorithm is slightly more expensive than Liu and Sacchi...
2013
Abstract: Physical Parameter Estimation in rock samples via Image Analysis of Computed Micro-Tomographies (CMT); #90174 (2014)
Andres Medina, Doug Schimtt, Randy Koffman, and Gautier Njiekak
Search and Discovery.com
...MT-scan histogram, as the minimum of the saddle points of such function. This threshold criterion is based on the idea that histograms for a collecti...
2014
Despiking Ultrasonic Doppler Velocity-Profiling Data
Jonathan D. Wright, Jaco H. Baas
Journal of Sedimentary Research (SEPM)
... in the dataset. However, the efficacy of spike detection by the acceleration threshold method of Goring and Nikora (2002) depends on the temporal resolution...
2013
Carbonate Reservoir Characterization Using Electrical Borehole Image – Revisited Existing Methods Using Textural Analysis Workflow
Search and Discovery.com
N/A
Carbonate Reservoir Characterization Using Electrical Borehole Image Revisited Existing Methods Using Textural Analysis Workflow; #41505 (2014)
Alexander A. Aviantara
Search and Discovery.com
..., and fractures. Electrical borehole images provide both high resolution and azimuthal coverage to quantify the heterogeneous nature of the carbonate porosity...
2014
Numerical and physical simulations of borehole resistivity logging in high-resistance formation
Yizhi Wu, Zhentao Sun, Yiren Fan
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Ultimately, this research provides a criterion based on the idea of the curve separation factor for identifying the array lateral curve anomaly. two...
2024
Application of improved shearlet transform algorithm in noise filtering of complex fault block oilfield in eastern Bohai Sea
Yu Xiong, Cai Li, Yongqiang Yao, Shaoxuan Li, Lei Gao
International Meeting for Applied Geoscience and Energy (IMAGE)
... reduces the signalto-noise ratio and resolution of seismic records, and affects the accuracy of seismic processing and stratigraphic interpretation...
2022
An efficient, consistent, and trackable method to quantify organic matter–hosted porosity from ion-milled scanning electron microscope images of mudrock gas reservoirs
Liaosha Song, Travis Warner, and Timothy Carr
AAPG Bulletin
... top-hat segmentation. This algorithm picks up a peak or valley based on a local criterion. Yet, a threshold still needs to be chosen...
2019
Critical Grain-Size Parameters for Predicting Framework and “Floating” Grains in Sediments
Steven L. Bryant, Chris Lerch, Michael E. Glinsky
Journal of Sedimentary Research (SEPM)
... displacement is 0.01 R, we elect to use 0.1 R as the threshold displacement for a floating grain. The volume fraction of grains meeting this criterion...
2009
Aspects of Seismic Resolution: Chapter 1
R. E. Sheriff
AAPG Special Volumes
...Aspects of Seismic Resolution: Chapter 1 R. E. Sheriff 1985 1 10 M 39: Seismic Stratigraphy II: An Integrated Approach to Hydrocarbon Exploration...
1985
Inexact alternating direction method of multipliers (InADMM) for the acceleration of l2l1 inverse problems
Joaquín A. Acedo, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... of nested iterations. InADMM introduces a novel inexactness criterion based on the structure of the problem. This critical modification automates...
2024
A method for assessing earth model uncertainty in the Taranaki Basin, New Zealand
Edward Lewis, Dennis van der Burg, Tony Martin, Lorenzo Russo, Tony Bell
Petroleum Exploration Society of Australia (PESA)
... convergence criterion. In isolation such data provides little useful evidence of the reliability of any one individual model. We aim to rectify...
2018
1992
Produced Water Treatment Improvement to Comply With Indonesian Regulation on Onshore Waste Water Disposal
Yadi Trusmiyadi, Farid Kurniawan, Rila Fitria, Esther Elias, Ahyat Muhyinsyah
Indonesian Petroleum Association
.... Frequently since 2008, high COD and ammonia content above the regulated threshold in disposed produced water has been observed. The root causes limiting...
2011
Understanding Seismic Detection and Resolution of High-Frequency Sequences and Systems Tracts
Hongliu Zeng
Search and Discovery.com
... resolution can be defined as an extension of Rayleigh’s criterion for resolution limit, in which an event from a bed, not a surface, is visually separated...
Unknown
Integrating Sieving and Laser Data to Obtain Bulk Grain-Size Distributions
Pedro Dinis, Ana Castilho
Journal of Sedimentary Research (SEPM)
... threshold diameters that separate the fractions considered by sieving and laser diffraction and measure part of the distribution with both techniques...
2012
Palaeohydrological Reconstructions From a Holocene Valley Fill
Michael Church
Dallas Geological Society
... Island, N.W.T., Canada: Quaternary Research, v. 3, p. 561-583. Neill, C. R., 1967, Mean velocity criterion for scour of coarse uniform bed-material...
1977
Palaeohydrological Reconstructions From a Holocene Valley Fill
Michael Church
CSPG Special Publications
... Island, N.W.T., Canada: Quaternary Research, v. 3, p. 561-583. Neill, C. R., 1967, Mean velocity criterion for scour of coarse uniform bed-material...
1977
A sliding box automatic relocation method based on geometric-mean reverse-time migration
Tong Bai, Zhendong Zhang, Malcolm C. A. White, Hongrui Qiu, Paul Williamson, Nori Nakata
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and apply GmRTM to reconstruct high-resolution source images. The automatic procedure reasonably relocates 280 earthquakes. INTRODUCTION Accurate...
2022
Abstract: Understanding Seismic Detection and Resolution of High-Frequency Sequences and Systems Tracts, by Hongliu Zeng; #90078 (2008)
Search and Discovery.com
2008
Harnessing AI and Computer Vision for Efficient Geothermal Field Exploration and Prospect Evaluation
Moamen Gasser, Danny Rehg, Marcus Oesterberg, Nathan Meehan
Unconventional Resources Technology Conference (URTEC)
...-resolution input images carrying certain surface/subsurface features needed for geothermal exploration were used for training. The input data...
2025
Abstract: Significance and Recognition of Mass-Transport Deposits in Deepwater Environments
Craig Shipp, C. P. Lee
Geological Society of Malaysia (GSM)
..., 0 .1 t.e 100 kru) . The thickness ef M'IDs can b e within a few meters of seismic resolution, to greater than 500 m . A tlllt-d criterion relates...
2007
An Innovative Method For Detecting Subtle Events And Patterns In Seismic Data
Search and Discovery.com
N/A
Importance of Sampling Design and Density in Target Recognition
Martin D. Matthews
AAPG Special Volumes
... mixing of two nonoverlapping populations (anomalous and background). A high-resolution grid of simulated surface measurements is decimated to create...
1996