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The AAPG/Datapages Combined Publications Database
Showing 20,630 Results. Searched 200,685 documents.
Poroelastic Prediction of Matrix Compressibility and Pressure Dependent Permeability: Impact on Simulated Recovery Factors in Permian Basin Resource Rocks, USA
Brian Crawford, Michael Cronin, Olabode Ijasan, Mathilde Luycx, Darren McLendon, Shreerang Chhatre
Unconventional Resources Technology Conference (URTEC)
.... Assuming “uniaxial strain” boundary conditions, poroelastic theory relates pore volume change to depletion amount, initial formation porosity...
2023
Optimal Configuration and Information Content of Sets of Frequency Distributions
William E. Full , Robert Ehrlich, Stephen K. Kennedy
Journal of Sedimentary Research (SEPM)
... is dictated by realization that size-frequency distributions are spectra more akin to X-ray diffractograms than simple random phenomena...
1984
Compositional Logging of Air-Drilled Wells
W. F. Hooper , J. W. Earley
AAPG Bulletin
... been determined by routine methods of X-ray analysis. Distinct mineralogical zones were found to correspond closely with formations and formational...
1961
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
...Mineralogical composition and total organic carbon quantification using x-ray fluorescence data from the Upper Cretaceous Eagle Ford Group...
2019
AAPG Archie Series, No. 1, Chapter 10: Modeling Log Responses in Thinly Bedded Reservoirs
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
... for a gamma ray (GR) log. The earth model (a 10-ft [3-m] subinterval of a longer interval) is subdivided into layers of equal thickness. The earth model...
2006
Sedimentary Basins and Basement Highs Beneath the Polar Shelf North of Axel Heiberg and Meighen Islands
D.A. Forsyth, I. Asudeh, D. White, R. Jackson, R.A. Stephenson, A.F. Embry, M. Argyle
CSPG Bulletin
.... Practical synthetic seismograms for laterally varying media calculate by asymptotic ray theory: Bulletin of the Seismological Society of America, v...
1998
Integrated Lab Studies For Uranium Exploration in High Radioactive Formations, #80150 (2011)
R. B. N. Singh, M. K. Tewari
Search and Discovery.com
...- Godavari basin has many wells drilled having high gamma ray values. The Raghavpuram shales have two distinct units the high GR high resistivity and low...
2011
Insoluble Organic Matter (Kerogen) in Sedimentary Rocks of Marine Origin: Topical Papers
James P. Forsman , John M. Hunt
AAPG Special Volumes
... metamorphosed rocks yielded anthracite-like kerogen, and in one of these the presence of graphite was indicated by X-ray diffraction. Evidence is also...
1958
Modelo de Velocidades de Intervalo en Profundidad a partir de la Función de Difracción: Aplicación a Datos Reales [PAPER IN SPANISH] Depth Interval Velocity Model from a Diffraction Function: Application to Real Data
C. A. Ortega Galvis, L. A. Montes Vides
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... in depth. Based in the paraxial ray theory of seismic optics, the method was applied to seismic data of Majayura project, providing a former model...
2004
URANIUM AND THORIUM ABUNDANCES, WHOLE ROCK CHEMISTRY AND TRACE ELEMENT CHEMISTRY, ZUNI MOUNTAINS, NEW MEXICO
Douglas G. Brookins
Rocky Mountain Association of Geologists
..., correlated wlth the total REE or Eu d~stribution. theory, a negative Eu anomaly In indicates oxidizing condltrons. and uranium loss from such zones...
1982
Spherical Wave Model Tests of VSP-Based Q-Estimation Techniques
Search and Discovery.com
... method and the analytical signal method. Theory The derivation of spectral ratio methods is based on the definition of the quality factor Q (see...
2013
Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 1: Theoretical Developments; #90171 (2013)
Arnim B. Haase and Robert R. Stewart
Search and Discovery.com
... expect plane-wave theory to break down in the near-field, but what is the extent of this region and what is the size of Q-estimation errors...
2013
Abstract: Estimating Q from Hydraulic Fracture Related Seismicity; #90187 (2014)
Gisela Viegas, Adam Baig, Ted Urbancic, Eric von Lunen, Jason Hendrick, and Sean Lovric
Search and Discovery.com
... and QS obtained for ~4000 events for ray-paths back to one sensor. Q can reveal important geophysical features of the reservoir, such as for example...
2014
Abstract: *Hölderian Regularity-Based Seismic Attributes: A Case Study from Algerian Field Data; #91202 (2022)
Said Gaci and Mohammed Farfour
Search and Discovery.com
... of Exploration Geophysicists, Tulsa. Farfour, M., 2020. Amplitude components analysis (ACA): Theory and application. The Leading Edge 39, 1, 62a1-62a...
2022
Constructing a Geomechanical Model of the Woodford Shale, Cherokee Platform, Oklahoma, USA: Effects of Confining Stress and Rock Strength on Fluid Flow, #50716 (2012)
Tyler Hair, Helge Alsleben, Milton Enderlin, Nowell Donovan
Search and Discovery.com
... state of the Cherokee Platform, central Oklahoma, is determined using a stress polygon approach, incorporating Anderson’s theory of faulting and available...
2012
Experimental Diagenesis of Gulf Coast Argillaceous Sediment
R. R. Hiltabrand , R. E. Ferrell , G. K. Billings
AAPG Bulletin
..., Alkali metals, in Geochemistry of subsurface brines: Chem. Geology, v. 4, no. 1-2, p. 211-223. Brown, G., ed., 1961, The X-ray identification...
1973
Laboratory Measurement of Biots Coefficient and Pore Pressure Influence on Poroelastic Rock Behaviour
Hossein Salemi, Stefan Iglauer, Ali Rezagholilou, Mohammad Sarmadivaleh
Australian Petroleum Production & Exploration Association (APPEA) Journal
..., 1954, 1962; Detournay and Alexander 1993; Wang 2000; He et al. 2016). In this context, the effective stress theory is a key concept with which...
2018
SONIC LOG APPLICATIONS - EASTERN VENEZUELA
W. F. Clarke
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
..., however, to evaluate the sonic log as a porosity and/or hydrocarbon indicator. The following discussion presents the general theory based on published...
1961
Lithology Identification Using Amplitude Variations with Offset: Examples from South Sumatra
Soman Chacko
Indonesian Petroleum Association
..., pp. 66-84. Elastic wave theory predicts that reflection and transmission of energy occurs when a plane primary wave (commonly called the P-wave...
1986
GEOCHEMICAL SOIL SURVEYS IN THE GOLDEN DOME AND MOSSER DOME AREAS CARBON AND YELLOWSTONE COUNTIES, MONTANA
D. H. Vice
Montana Geological Society
.... Davidson, M J., 1982, Toward a General Theory of Vertical Migration: Oil & Gas Journal, June 21, p. 288, 293, 294, 296, 298, and 300...
1986
The Geological Treasure of the Sierra Madre
Stephen P. J. Cossey
GEO ExPro Magazine
... had not found evidence of these in outcrop, but was intrigued by their number and basinwide nature. From cores I realized that high gamma ray features...
2017
Log Interpretation Techniques, Eastern Powder River Basin, Wyoming
Bob Jones
Wyoming Geological Association
.... General Discussion Theory Remarks Log evaluation of Parkman, Newcastle, Dakota and Minnelusa sands is accomplished using accepted standard...
1958
Effects of tool eccentricity on acoustic logging: Theory and field example
Bo Rao, Yuanda Su, Shengqing Li, Xiaoming Tang
International Meeting for Applied Geoscience and Energy (IMAGE)
...Effects of tool eccentricity on acoustic logging: Theory and field example Bo Rao, Yuanda Su, Shengqing Li, Xiaoming Tang Effects of tool...
2024
Sequence Stratigraphy and Facies Model of an Incised Valley Fill: The Gironde Estuary, France: DISCUSSION
Ole J. Martinsen, William Helland-Hansen
Journal of Sedimentary Research (SEPM)
... patterns, and three-dimensional variability of depositional systems. Sequence stratigraphy theory (cf. Posamentier and Vail 1988; Posamentier et al. 1988...
1994
Gabor Depth Migration using a New Adaptive Partitioning Algorithm
Yongwang Ma
Search and Discovery.com
...) and nonstationary phase shift (NSPS) theory and showed that GPSPI is the logical limit of PSPI, when a unique velocity is used for every spatial position. Outside...
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