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The AAPG/Datapages Combined Publications Database
Showing 718 Results. Searched 200,621 documents.
Use of the RTAPK Core Analysis Method to Evaluate the Impact of Matrix Heterogeneity on Flow-Regime Signatures and Permeability Estimation
Niloufar Rahimof, Mohammadebrahim Shabani, Amin Ghanizadeh, Chengyao Song, Christopher R. Clarkson
Unconventional Resources Technology Conference (URTEC)
... 2 of the artificial samples and more towards the harmonic average of the permeability of two core plugs. URTeC: 4024058 15 Table 2. Apparent...
2024
Chapter 11: Gravity and Heat Flow Analysis of the Oceanic Subduction Zone in the Eastern Caribbean
Antonio Ughi
AAPG Special Volumes
... data based on the ETOPO1 model with one-arc minute resolution (Amante and Eakins, 2009). The model is the spherical harmonic expansion of the grid...
2021
Rapid CO2 Huff-n-Puff Simulation in Unconventional Reservoirs Using Fast Marching Method for Enhanced Oil Recovery and Carbon Storage
Sompoom Nippayaporn, Jia Fu, Chin-Hsiang Chan, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
.... 1 describes fracture-matrix interaction where 𝐴 represents the fracture surface area within the grid cell, while % #$ is the harmonic average...
2025
Enhancing Operational Awareness in Haynesville Operations with Advanced Stage-Categorization Models
Jessica Iriarte, Nick Ruta, Brandon Yeager, Grant Loxton, Amir Salehi
Unconventional Resources Technology Conference (URTEC)
... others. Figure 2 shows the difference in time to reach design rate between regular and trouble stages and the clear distinction between average treating...
2025
Changes in Structural Style Controlled by Lithofacies Contrast Across Transverse Carbonate Bank MarginsCanadian Rocky Mountains and Scaled Physical Models
Deborah A. Spratt, John M. Dixon, Edward T. Beattie
AAPG Special Volumes
... by Mountjoy (1960), Schnborn (1992, 1999), and Ghisetti and Vezzani (1997), among others. All of these studies indicate that thrusts and harmonic folds...
2004
Permeability Evolution during Deformation of Siliciclastic Sandstones from Moab, Utah
O. Kwon, B. T. Ngwenya, I. G. Main, S. C. Elphick
AAPG Special Volumes
... a value of 1000 kg/m3 for the density of distilled water. The initial average porosities determined in this way are 21, 23, 17, and 16% for Navajo...
2005
Temporal Variations in Beach and Nearhore Dynamics
E. H. Owens
Journal of Sedimentary Research (SEPM)
...). This harmonic trend analysis, using a single Fourier series, was applied in order to emphasize major trends by smoothing out minor fluctuations in the data...
1977
Predicting Waterflood Behavior by Simulating Earth Models with No or Limited Dynamic Data: From Model Ranking to Simulating a Billion-Cell Model
Joseph Hovadik, David Larue
AAPG Special Volumes
... be measured in such waterfloods in days or in amount of pore volume injected (PVI). In the case of a PVR waterflood, the average reservoir pressure...
2011
Physical Processes and Fine-grained Sediment Dynamics, Coast of Surinam, South America
John T. Wells, James M. Coleman
Journal of Sedimentary Research (SEPM)
... of mudbanks have been documented from nautical charts since the 1600s. Early hydrologic surveys revealed average migration rates of 1.5 km/yr (Allersma...
1981
Fourier and Autocorrelation Analysis of Estuarine Tidal Rhythmites, Lower Breathitt Formation (Pennsylvanian), Eastern Kentucky, USA
Ronald L. Martino, Dewey D. Sanderson
Journal of Sedimentary Research (SEPM)
... three point average was applied to the data. Since 3-point smoothing effectively filters End_Page 105------------------------ out any high-frequency...
1993
Numerical Models of Fluid Flow in Carbonate Platforms: Implications for Dolomitization
Jonathan Kaufman
Journal of Sedimentary Research (SEPM)
... and fluid variab es such as permeability, porosity, and salinity; and (2) limited interactions between geologists that specialize in diagenesis...
1994
Environmental and Geophysical Interpretation of Heat-Flow Measurements in Black Sea: Structure
Albert Erickson , Gene Simmons
AAPG Special Volumes
... value at a given station (Table 1) was estimated by multiplying the average thermal gradient by the harmonic mean thermal conductivity. Strictly...
1974
Quantitative Analysis of a Cyclic Peritidal Carbonate Sequence, the Middle and Upper Devonian Lost Burro Formation, Death Valley, California--A Possible Record of Milankovitch Climatic Cycles
Wan Yang , Fraka Harmsen , Michelle A. Kominz
Journal of Sedimentary Research (SEPM)
... estimation and harmonic analysis: Institute of Electrical and Electronics Engineers Proceedings, v. 70, p. 1055-1096. VEEVERS, J.J., AND POWELL...
1995
Testing Periodicity of Depositional Cyclicity, Cisco Group (Virgilian and Wolfcampian), Texas
Wan Yang , Michelle A. Kominz
Journal of Sedimentary Research (SEPM)
.... THOMSON, D.J., 1982, Spectrum estimation and harmonic analysis: Institute of Electrical and Electronics Engineers, Proceedings, v. 70, p. 1055-1096...
1999
Experimental Test of Tectonic Controls on Three-Dimensional Alluvial Facies Architecture
Thomas A. Hickson, Ben A. Sheets, Chris Paola, Michael Kelberer
Journal of Sedimentary Research (SEPM)
... with this. The fluvial portion of the experiment averaged 4.1 meters in length (source to shoreline), and the average fluvial slope was 0.05 (Table 1...
2005
Evaporite Deposition from Layered Solutions
L. L. Sloss
AAPG Bulletin
... in this regard that the average net water loss by evaporation from the oceans is 10 cm per year (R. M. Garrels, personal commun., 1968). Second, application...
1969
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
...), were used to compile the structure-contour map (Fig. 3). Base Fish Scales The Fish Scales Sandstone, average thickness less than 30 ft (9 m...
1969
Structure and Origin of Southeastern Bahamas
Elazar Uchupi , J. D. Milliman , Bruce P. Luyendyk , C. O. Bowin , K. O. Emery
AAPG Bulletin
..., Computation of the main geomagnetic field from spherical harmonic expressions: Data Users Note NSSDC 68-11, NASA Data Center, 46 p. Dickson, G. O., W...
1971
Seismic Characteristics and Identification of Negative Flower Structures, Positive Flower Structures, and Positive Structural Inversion
T. P. Harding
AAPG Bulletin
... at the block edges and are consequently parallel to these edges. This type of flexure is generally harmonic with the underlying basement, and little...
1985
The Art of Maturity Modeling, Part 1: Finding a Satisfactory Geologic Model (1)
DOUGLAS W. WAPLES, HIROMI KAMATA, and MASAHIRO SUIZU
AAPG Bulletin
... conductivities of each rock unit (lambda[t]) were recalculated continuously by the program during burial and compaction as the harmonic average of matrix...
1992
Flow of Formation Waters in the Cretaceous--Miocene Succession of the Llanos Basin, Colombia
M. E. Villegas , Stefan Bachu , J. C. Ramon , J. R. Underschultz
AAPG Bulletin
... and the Guyana Precambrian shield. The porosity of the sandy formations is generally high, in the range of 16-20% on average, with a trend of de-creasing...
1994
Minimum Saturations and Buoyancy in Secondary Migration
L. M. Hirsch, A. H. Thompson
AAPG Bulletin
..., are shown in green. On average, the maximum pretender height is less than one-half the sample height for 1:1 aspect ratio samples. The structures...
1995
Ephemeral-Fluvial Deposits: Integrated Outcrop and Simulation Studies Reveal Complexity
Colin P. North , Katy S. Taylor
AAPG Bulletin
... similar characteristics, with large average pore size and a well-sorted, coarse-skewed porosity distribution. Sorting was slightly poorer...
1996
Physical properties of Cenozoic mudstones from the northern North Sea: Impact of clay mineralogy on compaction trends
Oyvind Marcussen, Brit I. Thyberg, Christer Peltonen, Jens Jahren, Knut Bjorlykke, Jan Inge Faleide
AAPG Bulletin
... presented herein. The layers with the lowest permeability are, however, critical in determining the harmonic average for vertical flow through...
2009
A kinematic trishear model to predict deformation bands in a fault-propagation fold, East Kaibab monocline, Utah
J. P. Brandenburg, Faruk Omer Alpak, John G. Solum, Steve J. Naruk
AAPG Bulletin
... average of 380 md. Convolving these measured permeabilities with the thicknesses and numbers of deformation bands observed in the core yields a harmonic...
2012