Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 44,912 Results. Searched 200,357 documents.
Chart Migrations
Frank A. Roberts
Oklahoma City Geological Society
... in three dimensions is approached by reading the average apparent dip per unit length from the unmigrated contour map and scaling these measurements...
1958
A New Method for Obtaining Significant Average Directional Measurements in Cross-Stratification Studies
O. B. Raup, A. T. Miesch
Journal of Sedimentary Research (SEPM)
... diagrams. Each measurement is represented by a vector of unit length. A straight line that connects the origin with the end of the last vector...
1957
Wabamun Limestone Sequences in North-Central Alberta
H. L. Halbertsma, N. C. Meijer-Drees
CSPG Special Publications
... Canadian Petroleum Ltd. with a discovery in the Tangent area. The oil is produced from sucrosic dolostones in a faulted carbonate buildup. Over the past...
1987
The Importance of Modes in Cross-Bedding Data
William F. Tanner
Journal of Sedimentary Research (SEPM)
..., Tennessee, Georgia and Alabama. Modal vectors are shown to be more useful, in certain instances, for paleogeographic purposes, than vector sums...
1959
The Need for Seismic Dip Migration
W. B. Robinson.
Oklahoma City Geological Society
... "depth" and use the tangent to calculate the angle of dip. This is an easy thing to do on a profile. It is perfectly alright because what you measure...
1958
Stratigraphic Factor Maps: GEOLOGICAL NOTES
W. C. Krumbein , John Imbrie
AAPG Bulletin
..., Univ. Chicago Press. Imbrie, J., 1963, Vector analysis of compositional data: Science, v. 136, in press. Imbrie, J., and Purdy, E. G., 1962...
1963
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)
... thickness of rock can be expressed as (Nagamine et al., 1994) Emin = 1000 1.56 X (e2.5×103 − 1), (2) where X is opacity, and the unit of energy...
2022
Machine Learning Applications for Reservoir Pressure Trend Prediction in Potash Area of Delaware Basin
Olabode Thomas Ajibola, James Sheng, Phillip McElroy, Ebru Ulna
Unconventional Resources Technology Conference (URTEC)
... Hyperbolic Tangent Rectified Linear Unit (ReLU) Exponential LU Table 1. Comparison of traditional and modern activation functions While building...
2022
Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)
Scott Leaney, Chris Chapman, and Tadeusz Ulrych
Search and Discovery.com
..., Canada, May 9-11, 2011 Method Consider vector displacement data at frequency ω, u(ω, xj, xs), at receiver location xj for a source at location xs...
2015
Unsupervised Learning Applied to Hydraulic Flow Unit Identification Based on Wireline Formation Pressure Data; #42260 (2018)
Jose Victor Contreras
Search and Discovery.com
... between each data vector and its best matching unit (BMU), and the topographic error. During the selection process, a sensitivity analysis...
2018
Fracture Pattern Analysis using FMI Logs of the Tensleep Formation, Teapot Dome, Wyoming Schwartz, Bryan C., Wilson, Thomas H., and Smith, Duane H. #90044 (2005).
Search and Discovery.com
2005
2010
Effect of Anisotropy on Apparent Resistivity Curves
Sylvain J. Pirson
AAPG Bulletin
...------------------------------ where i, j and k are unit vectors taken along the axes ox, oy, and oz. Since we must have conservation of the vector current, we find...
1935
Methodology for Enhancing and Evaluating Geologic Effects of Time Series Models: A Case of Ground Response in Santa Clara Valley, California, #41097 (2012)
Olusola Samuel-Ojo, Lorne Olfman, Linda A. Reinen, Arjuna Flenner, David D. Oglesby, Gareth J. Funning
Search and Discovery.com
... models are built. These models constitute threads, a computer executable unit that can concurrently be processed by server clusters to achieve high...
2012
Fluid Flow
Gerard Middleton, John B. Southard
Special Publications of SEPM
... Fluid velocity is a vector quantity, and been calling flow lines. since the fluid behaves as a continuum, a velocity vector can be associated...
1984
Braided Fluvial to Marine Transition: The Basal Lower Cambrian Wood Canyon Formation, Southern Marble Mountains, Mojave Desert, California: DISCUSSION
John R. Foster
Journal of Sedimentary Research (SEPM)
.... The vector means calculated for each rose diagram trend generally northwest. The rose diagrams for the entire unit, plotted by cross-stratification type...
1991
A Note on the Use of the "Fryberger Method" for Evaluating Potential Sand Transport by Wind
Joanna E. Bullard
Journal of Sedimentary Research (SEPM)
... as numbers of "vector units". The greater the DP, the greater the amount of potential sand movement. The full method for calculating DP and other...
1997
The Comparison of Using a Whipstock and a Dyna Drill in Directional Drilling
Bambang Widjanarko DS, R. W. Prajogo
Indonesian Petroleum Association
... wells. Within the last 10 years directional wells had been drilled using whipstock in Rantau field of Pertamina Unit I and the last 5 years using Dyna...
1976
The Environmental Significance of Cross Stratification Parameters in an Upper Carboniferous Fluvial Basin
Gilbert Kelling
Journal of Sedimentary Research (SEPM)
..., where appropriate) were made on each Pla ar A unit selected in the course of the current vector study. Unit Thickness Data relating to unit thickness...
1969
Regional Top Seal Capacity Analysis in JS-1 Ridge, Offshore Madura Involving Seal Geometry, Capilary Seal, Hydrofracturing Analysis, and Natural Fracture Modelling
Khadafi, Agus M. Ramdhan, Riszky B. Risyad, Andri Akbar, Ghufron Fauzi
Indonesian Petroleum Association
... in Kujung-1 Formation. The shale of Rancak Unit acts as a regional seal of the Kujung-1 Reservoir. This study aims to understand the character, capacity...
2021
Volume Factor in Paleocurrent Analysis: GEOLOGIC NOTES
Martin H. Iriondo
AAPG Bulletin
... each measurement a value equal to the volume of the sedimentary unit it represents. The importance of the statistical bias originated by disregarding...
1973
Paleocurrent Analysis of Alluvial Sediments: A Discussion of Directional Variance and Vector Magnitude
Andrew D. Miall
Journal of Sedimentary Research (SEPM)
...Paleocurrent Analysis of Alluvial Sediments: A Discussion of Directional Variance and Vector Magnitude Andrew D. Miall 1974 Vol. 44 No. 4. (December...
1974
PowerPoint Presentation
Engelder
Search and Discovery.com
... by the direction of three positive unit vectors i,j, and k will do (e.g. i = 1, etc). Any vector can then be represented with scalar components f1...
Unknown
The Three Elements of Structural Geology Part 1, #41849 (2016).
Terry Engelder
Search and Discovery.com
...). Any vector can then be represented with scalar components f1, f2, and f3 which represent distances along the axes denoted by the three unit vectors...
2016
Application of Physics Informed Neural Networks to Compositional Modelling
Thelma Anizia Ihunde, Olufemi Olorode
Unconventional Resources Technology Conference (URTEC)
... accomplished primarily through the use of supervised ML algorithms such as support vector machines (SVMs) (Gaganis & Varotsis, 2012, 2014), relevance vector...
2021