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The AAPG/Datapages Combined Publications Database
Showing 1,247 Results. Searched 200,616 documents.
Vision-based Sedimentary Structure Identification of Core Images using Transfer Learning and Convolutional Neural Network Approach
Baosen Zhang, Shiwang Chen, Yitian Xiao, Laiming Zhang, Chengshan Wang
Unconventional Resources Technology Conference (URTEC)
... randomly selected for blind test purpose, simple summation calculation on the 11 test sets to obtain the confusion matrix (Figure 4A) was performed...
2021
Rate-Transient Analysis of Communicating Wells Using the Dynamic Drainage Area (DDA) Concept
Hossein Ahmadi, Hamidreza Hamdi, Christopher R. Clarkson
Unconventional Resources Technology Conference (URTEC)
...ut into production) corresponds to an equivalent fracture whose half-length is the summation of individual fracturesโ half-lengths. A limita...
2021
Inference of Induced Fracture Geometries Using Fiber-Optic Distributed Strain Sensing in Hydraulic Fracture Test Site 2
Stephen Bourne, Kees Hindriks, Alexei A. Savitski, Gustavo A. Ugueto, Magdalena Wojtaszek
Unconventional Resources Technology Conference (URTEC)
...er path vector. In this notation, there is summation over the repeated i and j indices that range over the set of spatial coordinates {x, y, z}. This...
2021
Quantitative Measurement of Brittle Deformation in Burial Compaction, Frio Formation, Gulf of Mexico Basin
Makowitz, Astrid, Milliken, Kitty
GCAGS Transactions
...------------------------ IGV is the summation of cement in primary pores, detrital matrix and primary porosity. Before burial the IGV (Pi) is assumed...
2002
Unconventional Methods for Unconventional Plays: Using Elemental Data to Understand Shale Resource Plays
Ken Ratcliffe, Milly Wright, Dave Spain
Petroleum Exploration Society of Australia (PESA)
... Alp 3, Ti0 2, Nap and Kp values; Si02 / ~---~ โข is not incorporated in t his summation, since it can also be associated w ith biogenic quartz...
2012
Advanced Dual-Porosity and Dual-Permeability Model for Tight Rock Integrated Primary Depletion and Enhanced Oil Recovery Simulation
Daegil Yang, Tyler Do, Changdong Yang, Hao Sun, Keith Ramsaran, Xundan Shi, Dengen Zhou, Jianping Chen, Mathis Lee
Unconventional Resources Technology Conference (URTEC)
... to a coarse grid cell. When we upscale matrix-fracture coupling, we make a summation of the matrix-fracture coupling value in each fine scale grid cells...
2023
Effect of CO2 Dissolution on Fluid Flow and Phase Behavior in Oil-water Systems in Shale Reservoirs
Yilei Song, Zhaojie Song, Yufan Meng, Haoming Ma, Zhangxin Chen, Yunfei Zhang, Lichao Zhang, Dong Feng
Unconventional Resources Technology Conference (URTEC)
... the two pores can be calculated using the summation average method: Li j gij = Li Lt Lj + + gi g t g j (14) where gi is the conductivity of pore i...
2023
Understanding the Advantages and Disadvantages of Unconventional Well Stacking and Interference
Santiago Rivera, Yongduk Shin
Unconventional Resources Technology Conference (URTEC)
... of pairwise summation of the vertically stacked pairs. As can be seen, tightly spaced pairs produce more hydrocarbons in early times. However, tighter pairs...
2023
A Test of Validity of Quartz Grain Orientation as a Paleocurrent and Paleoenvironmental Indicator
I. P. Martini
Journal of Sedimentary Research (SEPM)
... orientations, the vector mean () and the vector magnitude percent (L) were calculated utilizing the vector summation method (Reiche, 1938; Krumbein, 1939...
1971
Evaluation of Hydrogen Interaction with Mudrocks: Implication for Geo-Storage
Sidi Mamoudou, Son Dang, Mark Curtis, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
... of the samples are summarized in Table 1. Gas-filled porosity was measured by Helium pycnometry. The total porosity was determined by summation...
2024
Forward Modeling of Utah FORGE 2024 Hydraulic Stimulation: Fiber Signatures & Seismicity
Ruwantha Ratnayake, Ahmad Ghassemi
Unconventional Resources Technology Conference (URTEC)
..., ๐ is the Poissonโs ratio, ๐ฟ ๐๐ is the Dirac delta function and ๐ ๐๐ represents summation over normal stress components. To solve this problem...
2024
Grain Orientation and Paleocurrent Systems in the Thorold and Grimsby Sandstones (Silurian), Ontario and New York
I. P. Martini
Journal of Sedimentary Research (SEPM)
... structures was the vector summation method (Reiche, 1938; Krumbein, 1939; Curray, 1956) to calculate the mean orientation (vector mean...
1971
Analysis of Variance Applied to Measures of Central Tendency and Dispersion in Sediments
Wayne C. Isphording
Journal of Sedimentary Research (SEPM)
... a summation over the entire frequency range. In routine sediment analysis, however, th latter are still an approximation of a continuous distribution...
1972
Demystifying child well degradation with novel feature engineering: Part 1 ย machine learning analysis for child well degradation with one parent well in the Delaware Basin
Yuxing Ben, Soodabeh Esmaili, Seth Brazell, Jichao Yin, Mei Han, Tyler Conner, Jake Li, Tim Hoang, Tasos Boulis, Folarin Adekoya, Erik Kinzler
Unconventional Resources Technology Conference (URTEC)
... of Explainable AI, measures how each feature contributes to the final prediction for every sample. The summation of the contributions from all features...
2025
A Compaction-Based Pore Pressure Model for Shales
James T. Krushin
GCAGS Transactions
... = OB - Pp (1) where Pe is effective overburden stress, OB is overburden stress commonly calculated from the summation of the density log...
2008
Internal Geometry and Origin of Vegetated Coastal Sand Dunes
Victor Goldsmith
Journal of Sedimentary Research (SEPM)
... the use of circular distributions. Statistical parameters for the azimuth distributions were calculated using a vector summation technique (Curray...
1973
Depositional Environment of the Sharon Conglomerate Member of the Pottsville Formation in Northeastern Ohio
John V. Mrakovich, Alan H. Coogan
Journal of Sedimentary Research (SEPM)
... by a vector summation (Curray, 1956, p. 118-120) of the individual cross-bedding dip azimuths. FOOTNOTE 2. Bechtel Associates Professional Corporation...
1974
Evaporites: Relative Humidity Control of Primary Mineral Facies
David J. J. Kinsman
Journal of Sedimentary Research (SEPM)
.... The individual vapor pressure lowering of each salt can be calculated from the data in Weast (1966). Summation shows the total lowering, at 100ยฐ C and one...
1976
Regional Surface Turbidity and Hydrographic Variability on the South Texas Continental Shelf
Gerald L. Shideler
Journal of Sedimentary Research (SEPM)
...). In summation, the spatial variability of regional turbidity patterns appears to have been regulated by a shelf-water exchange process reflecting...
1979
Undiscovered Oil Reserves
I. H. Mackay , F. K. North
AAPG Special Volumes
..." reserves of Brazil, India, and Australia (and Canada!), resulting from the algebraic summation of volumetrically estimated reserves...
1975
Geologic Field Number and Size Assessment of Oil and Gas Plays
R. A. Baker, H. M. Gehman, W. R. James, D. A. White
AAPG Special Volumes
... is a form of prospect summation. The requirements for this play assessment method, as discussed in the next section, are geologic estimates...
1986
Effectiveness of Discriminating Beach, Dune, and River Sands by Moments and the Cumulative Weight Percentages
R. W. Tucker , H. L. Vacher
Journal of Sedimentary Research (SEPM)
... statistics derived (by summation) from the 0.1-interval size-class data. The size-class data, moment statistics, discrim nant functions, computer programs...
1980
Possible Quartz Synthesis During Weathering of Quartz-free Mafic Rock, Jasper County, Georgia
Gene D. Robinson, Jr.
Journal of Sedimentary Research (SEPM)
... in a matrix of opal, chert, or chalcedony. From the summation of the literature provided by Smale (1973), it is apparent that we do not have definite...
1980
Origin of Discontinuity Surfaces in Limestones: Isotopic and Petrographic Data, Pleistocene of Barbados, West Indies
P. E. Videtich, R. K. Matthews
Journal of Sedimentary Research (SEPM)
... 976------------------------ freshwater cementation, by summation of percent granular pore filling spar and primary porosity, was about 10 and 5 percent...
1980
Application of Moments to Vertical Variability Maps of Stratigraphic Units
W. C. Krumbein , W. G. Libby
AAPG Bulletin
... to combining all the sand into a single aggregate s suggested by the arrows pointing to the left in Figure 1. In this summation process the position...
1957