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The AAPG/Datapages Combined Publications Database
Showing 24,492 Results. Searched 195,387 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
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
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
Abstract: Understanding Seismic Detection and Resolution of High-Frequency Sequences and Systems Tracts, by Hongliu Zeng; #90078 (2008)
Search and Discovery.com
2008
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
2004
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
Quantified Detection of Carbonate Cementation in Sandstones using Standard Wireline Log Data
Mark Bunch
Petroleum Exploration Society of Australia (PESA)
... showing where this log exceeds the 0.03% threshold criterion used to diagnose carbonate cementation; Track 3 shows the raw gamma ray log (brown...
2019
Manganese-Nodule Bedforms and Thermohaline Density Flows in a Deep-Sea Valley on Carnegie Ridge, Panama Basin
Peter Lonsdale
Journal of Sedimentary Research (SEPM)
... be calculated from a Shields diagram on which the dimensionless threshold criterion (t,) is constant at the high grain Reynolds numbers of pebbles...
1980
AAPG Archie Series, No. 1, Chapter 9: Borehole Image Logs in Thinly Bedded Reservoirs
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
... of thinly bedded reservoirs. These tools provide the highest-resolution wireline data available for resolving beds down to 1 or 2 in. [2.5 or 5 cm...
2006
A New Method of Multiple Attenuation: Multiple Identification and Subtraction
Search and Discovery.com
... itself has no resolution problem at all. A proper search procedure and pattern identification criterion is needed to guarantee success. If we put all...
2013