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The AAPG/Datapages Combined Publications Database
Showing 44,912 Results. Searched 200,357 documents.
The Use of Borehole Imaging Techniques in the Exploration for Stratigraphic Traps: An Example from the Middle Devonian Gilwood Channels in North-Central Alberta
Roger N. Dueck, Eric F.W. Paauwe
CSPG Bulletin
.... Marine Geology, v. 1, p. 240-258. Miall, A.D. 1974. Paleocurrent analysis of alluvial sediments: a discussion of directional variance and vector magnitude...
1994
The Use of Borehole Imaging Techniques in the Exploration for Stratigraphic Traps: an Example from the Middle Devonian Gilwood Channels in North-central Alberta
Roger N. Dueck, Eric F. W. Paauwe
CSPG Special Publications
... of alluvial sediments: a discussion of directional variance and vector magnitude. Journal of Sedimentary Petrology, v. 44, p. 1174โ1185. Moody-Stuart, M...
1995
Supervised Learning Applied to Rock Type Classification in Sandstone Based on Wireline Formation Pressure Data; #42539 (2020)
Jose Victor Contreras
Search and Discovery.com
... algorithms are (Gรฉron, 2017): kNearest Neighbors, Linear Regression, Logistic Regression, Support Vector Machines (SVMs), Decision Trees and Random...
2020
Improvement in the Characterization of Vaca Muerta with DFIT Type Curves Analysis
Cristian F. Gonzรกlez, Ignacio Arhancet
Unconventional Resources Technology Conference (URTEC)
... curves separate from each other and deviates from unit slope. This provides an alternative to tangent method (holistic technique), and it is especially...
2022
Computer Simulation Models of Salt Domes
James C. Howard
AAPG Bulletin
..., ^ggr = unit weight consisting of the product of Fig. 1. Vertical sections through six Gulf Coast salt domes illustrating overall shape, spines...
1971
Classification of Modern Bahamian Carbonate Sediments
John Imbrie , Edward G. Purdy
AAPG Special Volumes
... by representing sample X as a unit vector OX in a three-coordinate system with orthogonal reference vectors OA, OB, and OC. Here, the coordinates XA, XB...
1962
Significant Error Reduction in Machine-Learning Decline Curve Analysis for Unconventional Reservoirs
Boxiao Li, Travis Billiter, Timothy Tokar
Unconventional Resources Technology Conference (URTEC)
... DCA with machine-learning methods (e.g., Random Forest, Support Vector Regression, etc.) for production forecast. Nevertheless, these methods...
2020
Fracture Deflection vs. Penetration at Interfaces: What Matters Most, Strength or Toughness?
Julieta Gutiรฉrrez, Santiago Serebrinsky, Alfredo Huespe
Unconventional Resources Technology Conference (URTEC)
... ๐ = ๐ฅ' ๐ + ๐ฅ( ๐ , ๐ป = ๐' ๐ + ๐( ๐ , (3) (4) where ๐ and ๐ are average unit vectors, respectively normal and tangent to the cohesive surface. Figure 1...
2024
A Combined Discontinuous Galerkin / Cohesive Zone Model Numerical Simulator for Hydraulic Fracturing and Application to Frac Hits Mitigation
Santiago Serebrinsky, Mauro Baldini, Federico Castez, Humberto Celleri, Isaรญas Gallana, Julieta Gutiรฉrrez, Damiรกn Smilovich
Unconventional Resources Technology Conference (URTEC)
... ๐ and ๐ are average unit vectors, respectively normal and tangent to the cohesive surface. URTeC 3869162 4 Figure 1: Linear decreasing effective cohesive law...
2023
Palynologic Correlation and Environmental Analysis within the Marine Mancos Shale of Southwestern Colorado
Gary G. Thompson
Journal of Sedimentary Research (SEPM)
...), A graphic correlation coupled with a Q-mode vector analysis of fossil palynomorph assemblages shows that these microfossils responded...
1972
Modelling of Drift of Nearby Icebergs Using Wind and Current Measurements at a Fixed Station
E. D. Soulis
CSPG Special Publications
... equation 4. Secondly the effect of the transformations on the vectors on which they operate was summarized by applying each one to a unit vector...
1975
Insights into the mechanisms of fault-related folding provided by volumetric structural restorations using spatially varying mechanical constraints
Chris A. Guzofski, Joachim P. Mueller, John H. Shaw, Pierre Muron, Donald A. Medwedeff, Frank Bilotti, Carlos Rivero
AAPG Bulletin
... for a shear fault-bend fold. Gray shading represents a unit undergoing pervasive simple shear (Suppe et al., 2005). (D) Restoration vector field...
2009
Mineralogical composition and total organic carbon quantification using x-ray fluorescence data from the Upper Cretaceous Eagle Ford Group in southern Texas
Ahmed Alnahwi, and Robert G. Loucks
AAPG Bulletin
....ย 3, no.ย 2, p.ย 73โ82, doi:10.14355/jpsr.2014.0302.04. Sebtosheikh, M. A., and A. Salehi, 2015, Lithology prediction by support vector classifiers...
2019
Analysis Of Vectorial Data
Richard Steinmetz
Journal of Sedimentary Research (SEPM)
... laminae, vector direction is determined by direction of dip (azimuth) and angle of dip. Vector magnitude is assigned unit value arbitrarily, giving all...
1962
Size Frequency Distributions of Sediments
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
.... FOOTNOTE 6. Rietz, op. cit., pp. 22-23. FOOTNOTE 7. A single ordinate of the frequency curve measures the rate of change of frequency per unit along...
1934
Coal Identification Using Neural Networks with Real-Time Coalbed Methane Drilling Data
Ruizhi Zhong, Raymond Johnson Jr, Zhongwei Chen, Nathaniel Chand
Australian Petroleum Production & Exploration Association (APPEA) Journal
... equations are sigmoid (or logistic), hyperbolic tangent (tanh), and recti๏ฌed linear unit (ReLU) activation functions, respectively. All these activation...
2019
Late Cretaceous, Paleocene, and Early Eocene Paleogeography of the Bighorn Basin and Northwestern Wyoming
David Seeland
Wyoming Geological Association
... summation each crossbed azimuth is assigned a unit length, and these vectors are added "tail to head". The resultant is the vector mean, and its length...
1998
Transfer Learning with Recurrent Neural Networks for Long-term Production Forecasting in Unconventional Reservoirs
Syamil Mohd Razak, Jodel Cornelio, Young Cho, Hui-Hai Liu, Ravimadhav Vaidya, Behnam Jafarpour
Unconventional Resources Technology Conference (URTEC)
... ๐ผ) โ ๐ &! ร&! , ๐พ) โ ๐ &! ร&" and ๐) โ ๐ &! ร# . ๐ก๐๐โ(โ ) is an element-wise hyperbolic tangent activation function that scales the vector ๐! to be between...
2021
Hydromechanical Principles of Sediment Structure Formation
L.I. Briggs, G. V. Middleton
Special Publications of SEPM
... and direction of the velocity at any point can thus be repre sented by drawing a velocity vector whose direc tion is a tangent to the streamline...
1960
Statistical Correlation of the Mesaverde Group, Southwestern Wyoming and Northeastern Utah
Deane E. Kilbourne
Earth Science Bulletin (WGA)
... position, structural relationships, marker zones or fossil assemblages, are frequently unsuccessful when the character of a unit changes laterally...
1975
Links Between Suspended and Bed Load Sand Transport Rates on the Long Island Inner Shelf, New York, U.S.A.: Abstract
Christopher E. Vincent, Robert A. Young, Donald J. P. Swift
CSPG Special Publications
...(t) is the instantaneous current vector (w(t) + Ua). This equation can be rewritten as; v(t) = c*(t)U(t), where c*(t) is the volume of material that is mobile per unit area...
1986
Abstract: Statistical regression models for predicting landslide hazard
C. F. Chung
Atlantic Geology
... systems): (i) the need to handle thematic data, and (ii) the sample unit for the observations. To overcome the first problem related to the thematic data...
1995
Relationships Between Early Tertiary Sedimentation Patterns and Uranium Mineralization in the Powder River Basin, Wyoming
David A. Seeland
Wyoming Geological Association
..., vector strength (Reiche, 1938), and dip and standard deviations of the azimuth and dip. Each crossbed azimuth at a locality was assigned a unit...
1976
Finite-difference wavefield propagation using superstepping
T. Nemeth, K. Nihei, A. Loddoch, A. Sekar, K. Bube, J. Washbourne, L. Decker, S Kaplan, Ch. Wu, A. Shabelansky, O. Cristea, Z. Yin
International Meeting for Applied Geoscience and Energy (IMAGE)
...ime source functions. The Greenโs functions correspond to the unit input for each element in the input vector calculated by solving the wave equation for k ...
2024
Continuation of the Kamsko-Kinel Depression to the Southeast of Kuybyshev on the Volga
L. N. Yelanskiy, V. A. Polyakov
Petroleum Geology: A Digest of Russian Literature
...-Chusovskiy Gorodkov (more than 100 m encountered), the depression in passing into the downwarp tangent to the Krasnokamsko-Polaznen swell extends along...
1962