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The AAPG/Datapages Combined Publications Database
Showing 44,912 Results. Searched 200,357 documents.
A Modified Logarithmic Probability Graph for the Interpretation of Mechanical Analyses of Sediments
George H. Otto
Journal of Sedimentary Research (SEPM)
...., and PETTIJOHN, F. J., 1938, Manual of sedimentary petrography, D. Appleton-Century Co. 14. OTTO, H., 1938, The sedimentation unit and its use in field sampling...
1939
Cloverly-Lakota and Fall River Paleocurrents in the Wyoming Rockies
Frederick T. MacKenzie, J. Donald Ryan
Wyoming Geological Association
... in figure 4. The significant vector means of cross-stratification dip azimuths, at each locality, were treated as unit vectors and summed to give an average...
1962
Geologic Variability and Well Productivity in U.S. Oil Plays: The Efficiency of Completion Intensity and New Designs in Various Geologic Contexts
Katie M. Smye, Svetlana Ikonnikova, Qian Yang, Guin McDaid, Emery Goodman
Unconventional Resources Technology Conference (URTEC)
... (ππ, β, ππ), and their median drilled block vector values (ππ, β, ππ the three-component distance d is defined: οΏ½ οΏ½ οΏ½), Eq. 1 URTeC 3317 4 Well locations were placed...
2020
Simultaneous Auto-Calibrations of Complex Fracture Configurations in Multi-Well Development Scenario in Uinta Basin with Embedded Discrete Fracture Model and Multivariate Gaussian Distributions
Yuchen Xiao, Chuxi Liu, Wei Yu, Kamy Sepehrnoori, Corwin Zigler
Unconventional Resources Technology Conference (URTEC)
... initialize a mean vector and a variance-covariance matrix with zeros on the off-diagonals of model parameters for each well and sample 50 sets...
2022
Uranium and Thorium in Selected Quaternary Volcanic Rocks of Guatemala and Sumatra: Evidence for Uranium Redistribution
William I. Rose Jr., Theodore J. Bornhorst
AAPG Special Volumes
... and the intercept is equal to zero; here 230Th is in secular equilibrium with 238U. On a diagram of 230Th/232Th against 238U/232Th, a vertical vector...
1981
Lithostratigraphic Interpretation of Seismic Data for Reservoir Characterization; #90017 (2003)
Mahesh Chandra, A. K. Srivastava, V. Singh, D. N. Tiwari, P. K. Painuly
Search and Discovery.com
.... Individual neurons are considered class representatives and they compete for each input vector during training. The neuron that resembles the input vector...
2003
Rate Transient Effects of Various Complex Fracture Network Topologies in Unconventional Gas Reservoirs: A Numerical Simulation Study
Jiamin Jiang, Rami M. Younis, Leslie Thompson, Zhe Liu
Unconventional Resources Technology Conference (URTEC)
...ed per unit rock mass can be expressed as: (6) (7) Where πππΏπΏ is the Langmuir volume (the maximum adsorption capacity at a given temperatu...
2015
Upper Devonian Conodonts in West Central Alberta and Adjacent British Columbia
D.I. Johnston, N.C. Meijer Drees
CSPG Bulletin
...------------------------ cored intervals from which the conodonts were obtained (see Table 1). Dixonville Unit In the Gold Creek 7-31-67-5W6 well...
1993
A Semi-Analytical Poroelastic Solution of Induced Pressure-Stress Changes and Its Applications to Depletion Delineation of Transversely Isotropic Shale Reservoirs
Shihao Wang, Yuzhe Cai, Bin Wang, Yunhui Tan, Kainan Wang, Jiehao Wang, Xinghui Liu, Yuguang Chen
Unconventional Resources Technology Conference (URTEC)
... equations, π!" and π!" are components of the stress tensor; π!" are stiffness coefficients; [u, v, w] T is the displacement vector...
2024
Fluvial Sedimentology of a Major Uranium-Bearing Sandstone--A Study of the Westwater Canyon Member of the Morrison Formation, San Juan Basin, New Mexico
Christine E. Turner-Peterson
AAPG Special Volumes
... from the middle fluvial unit of the Westwater Canyon Member. Arrow indicates vector resultant; cf, consistency factor. Number of readings shown in center...
1986
Geomechanical Modeling of Fracture Growth in Naturally Fractured Rocks: A Case Study of the Utah FORGE Geothermal Site
Meng Cao, Mukul M. Sharma
Unconventional Resources Technology Conference (URTEC)
... and density of fractures per unit length of the core matched with the actual measurements (for each fracture set) until the best realization of natural...
2023
Reservoir Heterogeneities of Some Cretaceous Sandstones
Charles F. Dodge , Dennis P. Holler , Robert L. Meyer
AAPG Bulletin
... within the reservoir. Total variability of all measured sedimentary parameters within a sedimentary unit in both random and vertical sections is very...
1971
Comprehensive Model for the DFIT-Flowback Test Pumping, Shut-in, Choked Flowback, and Rebound Behavior
Guoqing Liu, Christine Ehlig-Economides
Unconventional Resources Technology Conference (URTEC)
... accurately from the and suggested using the intersection of two tangent lines drawn from the first and the second straight trends in the Cartesian pressure...
2022
Evolution of a Mud-Rich Meander Belt in the Carboniferous Morien Group, Nova Scotia, Canada
Martin R. Gibling, Brian R. Rust
CSPG Bulletin
...) No. 1. (March) The three-dimensional exposure of a mud-rich, fluvial channel unit 15 m thick in seacliffs and on a wave-cut platform allows...
1987
Construction and Application of a Stratigraphic Inverse Model
Timothy A. Cross, Margaret A. Lessenger
Special Publications of SEPM
... is not 0 tracts tract there are present is no in a unit 4 in well example and vector a thicknesses of all so equation 3 See also 6...
1999
Sespe Formation on Upper Sespe Creek
Willard A. McCracken
Pacific Section SEPM
... conglomerates attains a maximum thickness of about 500 feet near G o d w i n Canyon. To the east, the unit thins to about 200 feet near Munson Creek where...
1969
Development of a novel seismic acquisition system based on fully autonomous gliding ocean-bottom nodes
Fabio Mancini, Ben Hollings, Giorgio Mangano, Dhimitraq Gjini, Damien Dieulangard, Ted Manning, Henry Debens
International Meeting for Applied Geoscience and Energy (IMAGE)
... with additional localisation information by a surface network of acoustic communications, each unit autonomously calculates and continuously optimizes its...
2023
3D Inversion of Time-Domain Electromagnetic Data for Ground Water Aquifers, #41610 (2015).
Elliot M. Holtham, Mike McMillan, Eldad Haber
Search and Discovery.com
... have (6) where the vector qi,j contains the interpolation weights and finite difference coefficients. To match the predicted and the observed data, we...
2015
Electrofacies Analysis and Shale Gas Potential of the Carynginia Formation (Perth Basin, Western Australia); #41464 (2014)
A. Karimian Torghabeh, R. Rezaee, R. Moussavi-Harami, N. Pimentel, M. Kamali, A. Kadkhodaie-Ilkhchi
Search and Discovery.com
... is known as the Limestone Unit, a bioclastic shelf carbonate, deposited in shallower waters. Sandstones are usually thin and discontinuous, sealed...
2014
Stratigraphic Separation Diagrams and Thrust Belt Structural Analysis
Nicholas B. Woodward
Wyoming Geological Association
... which has a constant structural geometry along strike. Longitudinal SSD's (Figure 5a) are drawn on a smooth curve that is tangent to the regional trend...
1987
Structural Analysis Along Torrens River, Alberta Foothills
E. L. Fitzgerald
CSPG Bulletin
... laminated bands of light grey, fine grained sandstone are common in Units 1 and 4, and are sporadically developed in Unit 3. Sideritic concretions, beds...
1963
Insights from the Automated Extraction of Surfaces from the Bunda 3D Seismic Survey
J. K. Dirstein, T. Rudge, R. Li, A. J. Stanley
Petroleum Exploration Society of Australia (PESA)
... variability of depositional facies within each geological unit. Differential geometry analysis was applied to selected surfaces from the visual database...
2013
Late Quaternary Geology of Lake Bonneville and Lake Waring
Donald R. Currey, Charles G. Oviatt, John E. Czarnomski
Utah Geological Association
... span of time that is represented by each allostratigraphic unit is encompassed in a diachronic unit, formally defined or not, that is the temporal...
1984
Crestal Overtop and Washover Sedimentation on a Fringing Sandy Gravel Barrier Coast, Carnsore Point, Southeast Ireland
Julian D. Orford, R. W. G. Carter
Journal of Sedimentary Research (SEPM)
...-shaped conglomeratic unit, distinguished by a dominant vertical clast fabric and an overall coarsening-upward particle site sequ nce. Both features...
1982
Triassic Paleomagnetism of Northern South America
William D. MacDonald , Neil D. Opdyke
AAPG Bulletin
...). This unit is approximately Late Triassic, according to the time-scale of Holmes (Harland et al., 1964). The predominant deformation...
1974