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The AAPG/Datapages Combined Publications Database
Showing 5,465 Results. Searched 200,626 documents.
A Pore-Scale Mechanistic Investigation of Shale Gas Condensate at Near Saturation Pressure on Fluid Flow in Shale
Shu Pan, Jingsheng Ma, Julian Youxiang Zuo, Nejib Hamed
Unconventional Resources Technology Conference (URTEC)
... Shu Pan*1, Jingsheng Ma2, Julian Youxiang Zuo3, Nejib Hamed1; 1. Schlumberger, 2. Heriot Watt University, 3. Fluid modelling group Copyright 2019...
2019
Three Dimensional Seismic Inversion and Neural Net Impedance Facies Map in Reservoir Characterization
Sunit K. Addy, Jim Hallin
GCAGS Transactions
... into the inversion program. This is especially critical since wire line logs and seismic data are two different kinds of measurements of the same rock...
2000
Self-organizing mapping neural network analysis on seismic-sedimentary facies
Tianyun Wang, Yuan Li, Xiaoping Sun, Pei Ke, Tao Li, Hongxiao Ning, Wei Liu, Xiaofeng Han
International Meeting for Applied Geoscience and Energy (IMAGE)
... or geological bodies, such as seismic reflection amplitude, frequency, structure, continuity, wave group characteristics, etc. It is a mature research idea...
2022
Mixed Reservoir Wetting in Unconventional Reservoirs and Interpretation of Porosity/Resistivity Cross Plots, Derived From Triple-Combo Log Data
Michael Holmes, Antony M. Holmes, Dominic I. Holmes
Unconventional Resources Technology Conference (URTEC)
...). This last component, which is associated with total organic carbon, is an indirect calculation if the first three components do not sum to total porosity...
2017
Unsupervised machine learning for seismic facies classification using a 3D grid approach
David Manzano, Edgar Galvan, Dan Ferdinand Fernandez
International Meeting for Applied Geoscience and Energy (IMAGE)
... at different levels of granularity (Johnson, 1967) (2) Gaussian mixture: This probabilistic model consists of a variety of several Gaussian distributions...
2024
Patterns of Chemical Composition in Deep Subsurface Waters: GEOLOGICAL NOTES
Parke A. Dickey
AAPG Bulletin
... (milli-equivalent per cent) of the chloride must therefore nearly equal the sum of the reacting values of the positive ions, which are mainly sodium...
1966
Uncertainty Analysis of the Vertical Aquitard Hydraulic Conductivity in a Leaky Aquifer System
Xun-Hong Chen
Environmental Geosciences (DEG)
... equation (5). Minimization of the sum of the squared difference between the measured and the predicted drawdowns results in a set of three equations...
1997
Chapter 19: Tectonostratigraphic Evolution of the Northern Llanos Foreland Basin of Colombia and Implications for Its Hydrocarbon Potential
Henry Campos, Paul Mann
AAPG Special Volumes
... (Guateque-Medina area), Colombia: Journal of South American Earth Sciences, v. 15, p. 391–407. Calais, E., and P. Mann, 2009, A combined GPS velocity...
2015
Quantitative risks of death and sickness from toxic contaminationII. Age-dependent toxic sickness and death exposure limits
Ian Lerche, Heidi Foth
Environmental Geosciences (DEG)
... and CSC values for each sickness at the limiting points of the different age groups, together with the age point boundaries between one age group...
2004
Petroleum Source Rock Potential and Thermal Maturation of the Mississippian "Harrison" and Spergen Formations and Pennsylvanian Morrow Formation and Marmaton Group, Southeastern Colorado
R.C. Burruss, B.A. Blakeney,R.A Castle, K.C. Kirkby
Rocky Mountain Association of Geologists
... and Marmaton Group, Southeastern Colorado R.C. Burruss, B.A. Blakeney,R.A Castle, K.C. Kirkby Petroleum Source Rock Potential and Thermal Maturation...
1990
Rate at which Foraminifera are Contributed to Marine Sediments
Earl H. Myers
Journal of Sedimentary Research (SEPM)
... formations and it is largely because of this that they are now studied more intensively than any other group of Protozoa. In recent years, biologists...
1942
Mixed Process, Humid-tropical, Shoreline–shelf Deposition and Preservation: Middle Miocene–modern Baram Delta Province, Northwest Borneo
Daniel S. Collins,, Howard D. Johnson, Peter A. Allison, Abdul Razak Damit
Journal of Sedimentary Research (SEPM)
... with a different delta-front morphology (Fig. 13), which reflects the variable interaction between fluvial and basinal (waves and tides) processes. Hence...
2018
Estimates of Sand Transport on the New York Shelf Using Near-bottom Current Meter Observations
P. E. Gadd, J. W. Lavelle, D. J. P. Swift
Journal of Sedimentary Research (SEPM)
... depths along the New Jersey coast during the same measurement period. The Spring 1974 current velocity field yields transport rates of lesser magnitudes...
1978
Rb-Sr Isotopic Data from Three Suites of Igneous Rocks, Cape Breton Island, Nova Scotia
J. Duncan Keppie, A. N. Halliday
Atlantic Geology
... the Late Precambrian metavolcanlc rocks of the Fourchu Group show considerable scatter due to varying degrees of resetting of the Rb-Sr system. Seven...
1986
When the Syn-Depositional Climatic Variations Influence My Source Rock Properties The Case Study of the Vaca Muerta, #51523 (2018).
Alain Lejay, Johannes Monkenbusch, Lionel Martinez, Gregory N. Boitnott, Laurent Louis, François Gelin
Search and Discovery.com
..., from the oil to dry gas windows. About 500 m of cores, ranging from 36 m to 160 m in thickness, have been thoroughly studied with different innovative...
2018
Extended Abstract: Evaluating Failure: Extracting Relevant Volatile Geochemical Information from Legacy Geological Materials from Dry Holes and Underperforming Wells
Christopher M. Smith, Michael P. Smith
GCAGS Transactions
... responses demonstrates different liquids chemistries/rock properties compartments in the Trinity Group, blue box. Figure 2. Acetic acid data from...
2020
Contribution of Mid-Continent Area to the U.S. Gas Resources:Results from PGC Assessment of the Future Gas Supply; #11085 (2018)
Alexei V. Milkov
Search and Discovery.com
... of Natural Gas in the U.S. Executive Summary Potential Gas Committee (PGC): Non-profit group of ~80 volunteer geoscientists and engineers...
2018
Urban Impacts on the Chemistry of Shallow Groundwater: Barton Creek Watershed, Austin, Texas
David A. Johns, Sylvia R. Pope
GCAGS Transactions
...). This is where aquifer host rocks, the Georgetown Formation and Edwards Group limestones, occur at the land surface. Here the creek changes from a gaining...
1998
PREDATION-FACILITATED PRESERVATION OF ECHINOIDS IN A TROPICAL MARINE ENVIRONMENT
CARRIE L. TYLER, TROY A. DEXTER, ROGER W. PORTELL, MICHAŁ KOWALEWSKI
PALAIOS
... tests and thus underestimating drilling frequencies. In addition, several other issues hinder the interpretation of predation traces on fossil echinoids...
2018
Evaluation of General Resistivity Density-Based Saturation in Thin, Laminated Sand-Shale Sequences, #41042 (2012)
John Quirein, Burkay Donderici, David Torres, Eric Murphy, Jim Witkowsky
Search and Discovery.com
... the sand total and effective porosity. This allows net-pay cutoffs to be applied based on sand volume, porosity, and water saturation. Different clay-bound...
2012
Basin Evolution During the Change from Convergent to Transform Continental Margin: An Example from the Neogene of Central California
S. A. Graham, C. Gavigan, C. McCloy, M. Hitzman, R. Ward, R. Turner
Pacific Section SEPM
... of distinctly different origins within the San Pablo Group. Because of the interpretational importance of this distinction, we adopt Wagner's (1978...
1983
Impact of Non-Linear Transport Properties on Low Permeability Measurements; #70299 (2017)
Yuan-Yun Lin, Michael T. Myers
Search and Discovery.com
... periodic function to be decomposed into a sum of simple sine waves. We make use of Fourier transform to quantify the magnitude of the nonlinear...
2017
Abstract: Chronologic Surface: A New Method for Dating Martian Landforms; #90172 (2014)
Radu Dan Capitan, Gordon R. Osinski, Marco Van de Wie
Search and Discovery.com
... to different areas of the Martian surface are presented in the literature1,2. Absolute age determinations for Mars are more difficult to determine than...
2014
A High-Frequency NMR Investigation of Eagle Ford Shale Cores
Jyoti Swarup Singh Kanwar, Azra Tutuncu, Yuan Yang
Unconventional Resources Technology Conference (URTEC)
... understanding of the various pore systems in the shale formations and the bulk volume of the fluids held within these different pore systems helping us...
2019
Development of Incisions on a Periodically Emergent Carbonate Platform (Natih Formation, Late Cretaceous, Oman)
Carine Grelaud, Philippe Razin, Peter W. Homewood, Anne M. Schwab
Journal of Sedimentary Research (SEPM)
...) allows the observation and description of these incisions at two different scales. (1) The regional stratigraphic framework (van Buchem et al. 1996; van...
2006