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The AAPG/Datapages Combined Publications Database
Showing 44,912 Results. Searched 200,357 documents.
An Effective Physics-Based Deep Learning Model for Enhancing Production Surveillance and Analysis in Unconventional Reservoirs
Yuewei Pan, Ran Bi, Peng Zhou, Lichi Deng, John Lee
Unconventional Resources Technology Conference (URTEC)
... to demonstrate the proposed workflow for production surveillance using SG-CLSTM and DeLSTM. Methodologies In this section, the core unit of a benchmark deep...
2019
Orthoconic Nautiloids as Indicators of Shoreline Surface Currents: NOTES
R. A. Reyment
Journal of Sedimentary Research (SEPM)
... and components of the sum of n random unit vectors: Ann. Math. Stat., v. 26, p. 233-246. REYMENT, R. A., 1958, Some factors in the distribution of fossil...
1968
Abstract: A New Geological Map of the Arctic: Geological Survey of Canada Open File 5816; #90171 (2013)
Christopher Harrison, Marc St-Onge, Oleg Petrov, Sergey Strelnikov, Boris Lopatin, Frederic Wilson, Subhas Tella, Diane Paul, Tracy Lynds, Sergey Shokalsky, Chad Hults, Stefan Bergman, Arne Solli, and Hans F. Jepsen
Search and Discovery.com
... America offshore (1:5M). Vector data include geological contacts, faults, active and extinct spreading ridges. Point features include: impact structures...
2013
Upper Pennsylvanian sediment dispersal and paleochannel orientation in the western part of the Sydney Coalfield, Cape Breton, Nova Scotia
P. Mcl. D. Duff, S. Forgeron, H. W. van de Poll
Atlantic Geology
.... They inferred active transportation of sediments into the basin from the northwest, on the basis of a thick sandstone unit occurring in the vicinity of Sydney...
1982
Comparing Self Organizing Maps with Geology and Grey Level Co-occurrence Matrix (GLCM) Texture Attributes, an Example from the Red Fork Sandstone, Anadarko Basin
Atish Roy, Kurt J. Marfurt
Oklahoma City Geological Society
... that preserves the geometrical relationship among the data points. Mathematically, each SOM unit preserves the metric relationships and topologies...
2010
Calculating Thickness from Outcrop and Drill-Hole Data
H.A.K. Charlesworth, W.E. Kilby
CSPG Bulletin
... of a uniformly oriented or concentrically folded tabular stratigraphic unit may be calculated from the relative positions of two outcrops, one on its lower...
1981
Mechanisms for Deformation of Sedimentary Strata at Sheep Mountain Anticline, Bighorn Basin, Wyoming
Jeff Hennier, John H. Spang
Wyoming Geological Association
... and physiographic features: U.S. Geol. Survey Oil and Gas Inv. Prelim. Map 71. Bengston, C. A., 1980, Structural uses of tangent diagrams: Geology, v. 8, p...
1983
Eocene Paleocurrents and Sedimentation, San Nicolas Island, California
Mark R. Cole
AAPG Bulletin
... that sediment-transporting paleocurrents were toward the southwest (vector mean of 193°). Other sedimentary structures such as flat diffuse laminations...
1977
Sedimentation and Paleocurrents during Pennsylvania Time in the Moncton Basin, New Brunswick
H. W. Van De Poll
Atlantic Geology
... is a distinctive sequence of sedimentary rocks that may be regarded as a lithostratigraphic. unit with well defined lower limits but poorly defined upper...
1966
Magnetic Disturbance Caused by Buried Casing
William M. Barret
AAPG Bulletin
...------------------------------ Fig. 1. Vector representation of the anomalous magnetic field at point P, caused by vertical string of magnetized casing gh. End_Page 1372...
1931
Petrophysical Interpretation and Reservoir Characterisation on Proterozoic Shales in National Drilling Initiative Carrara I, Northern Territory
Liuqi Wang, Adam H. E. Bailey, Emmanuelle Grosjean, Chris Carson, Lidena K. Carr, Grace Butcher, Christopher J. Boreham, Dave Dewhurst, Lionel Esteban, Chris Southby, Paul A. Henson
Australian Petroleum Production & Exploration Association (APPEA) Journal
... function (e.g. rectified linear unit (ReLU), hyper bolic tangent (tanh) and sigmoid function), initial learning rate and batch size. The criteria used...
2023
Direction-dependent strain transfer function of DAS considering gauge length and pulse shape with its implications on high spatial resolution acquisitions
Peter Hubbard
International Meeting for Applied Geoscience and Energy (IMAGE)
... as: 𝑘𝑘 𝑎𝑎 = 𝐤𝐤 ⋅ � 𝒂𝒂 where 𝐤𝐤 is the wave vector and � is the unit vector in the 𝒂𝒂 direction of the DAS array. (1...
2022
A Method for 3-Dimensional Microfabric Analysis of Tills Obtained from Exposures or Cores: NOTES
Edward B. Evenson
Journal of Sedimentary Research (SEPM)
... vector and arithmetic operations on two-dimensional orientation variates, with applications to geological data: Jour. Geology, v. 64, no. 6, p...
1970
Abstract: Post-stack Seismic Geomorphology of Bakken Shale using Spectral Decomposition, Curvature and Waveform Facies Analysis Southern Alberta Study; #90224 (2015)
Valentina Baranova, Azer Mustaqeem, Steven Foster, and Elvis Floreani
Search and Discovery.com
... of an upper and lower shale members and a mixed siliciclastic middle member, which is usually referred to as Middle Bakken dolomite unit. The shale zones...
2015
A database approach for constraining stochastic simulations of the sedimentary heterogeneity of fluvial reservoirs
Luca Colombera, Fabrizio Felletti, Nigel P. Mountney, William D. McCaffrey
AAPG Bulletin
... of observation, nested in a hierarchical manner (Figure 1). Each order of genetic unit is assigned a different table, and each unit within a table is given...
2012
Cretaceous Strike-Valley Sandstone Reservoirs, Northwestern New Mexico
Donald G. McCubbin
AAPG Bulletin
..., the Niobrara Shale, and an upper unnamed shale unit. These units are named and defined to correspond with approximately equivalent units mapped as Fig...
1969
Early Mississippian Megasequences
F.A. Stoakes
Special Publications of SEPM
.../Carboniferous boundary lies within that unit. The Banff Formation is a shallowing-upward succession of argillaceous shales and carbonates that form a prograding...
1992
The HalladaleSpeculant Fields: The First Nearshore Gas Fields to Be Developed from Mainland Australia
Andrew Constantine, Glenn Morgan, Robin O’ Leary, Simon Smith
Australian Petroleum Production & Exploration Association (APPEA) Journal
... (photograph by: A. Aouad). ratio (N:G) typically in the order of 80–95%, porosities of up to 25%, and permeabilities of up to 10D+ (Fig. 6a). This unit...
2018
ENGINEERING AND EQUITY ASPECTS OF WELL SPACING IN SASKATCHEWAN
A. J. WILLIAMS
Williston Basin Symposium
... of either lateral vector of displacement are first disqualified from the effective area of the drainage unit, and the balance of the drainage unit...
1964
Experimental Measurement of the Relative Importance of Controls on Shoreline Migration
Wonsuck Kim, Chris Paola, Vaughan R. Voller, John B. Swenson
Journal of Sedimentary Research (SEPM)
... (Fig. 2C). Each segment of the shoreline trajectory can be represented as a vector, in which the vertical component of the vector is the sum of rates...
2006
Analysis of Hydrodynamic Factors in Petroleum Migration and Entrapment
Richard W. Davis
AAPG Bulletin
... force exerted upon a unit of one fluid immersed in another (Hubbert, 1953, his equation 41): EQUATION (2) where Eo = driving force for the oil, g...
1987
Three-dimensional kinematic modeling of reversible fault and fold development
Natacha Gibergues, Muriel Thibaut, Jean-Pierre Gratier
AAPG Bulletin
...). We used the geometric method that was validated on examples limited to one deformable unit overthrusting a fixed basement. In this article...
2009
Conversion of Well Log Data to Subsurface Stratigraphic and Structural Information: Part 6. Geological Methods
Jeremy M. Boak
AAPG Special Volumes
... unit are shown in relation to the measured interval in a well penetrating the unit. Fig. 3. Segment of a curved well path showing angular...
1992
Development of a novel seismic acquisition system based on fully autonomous ocean bottom nodes
Fabio Mancini, Ben Hollings, Ted Manning, Henry Debens
Australian Energy Producers Journal
.... Analysis of the data confirmed that our units achieved satisfactory coupling with the seabed. The unit’s in-water capabilities were assessed during...
2024
How to Subdivide Fluvial Deposits Into a Sequence Stratigraphic Framework Using Borehole Images (Echo-Yodel Field SW Shelf Australia Case Study)
Adriaan A. Bal
Indonesian Petroleum Association
... top as a unit length vector (Figure 5). Subtle deviations in vector trend mark structural breaks interpreted as bounding surfaces. EchoYodel Field...
2008