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The AAPG/Datapages Combined Publications Database
Showing 2,007 Results. Searched 200,636 documents.
Elastic Wave Propagation Mechanisms in High-Temperature Deep Hydrocarbon Reservoirs Exhibiting Three-Phase Fluids
Jidong Gao, Bin Yuan, Wei Zhang, Hongbin Zhang, Caili Dai, Baohua Wang, Yuyang Liu
Unconventional Resources Technology Conference (URTEC)
... derivative for spatial variables; d is the Kronecker operator; ui , u j are solid displacements in different directions, m; U ik , U jk are fluid...
2025
Transactions: Gulf Coast Association of Geological Societies; 2016 Front Matter
Jennifer M. Smith-Engle, James J. Willis, Jill C. Willis, Norman C. Rosen, Dorene B. West
GCAGS Transactions
... District, Barbados 687 Bissell, Randy The Forgotten Curvature: Applications for the Negative of the Second Derivative to Post-Stack Seismic Reflection...
2016
Reducing Reservoir Characterization Uncertainties and Improving Field Recovery through Four-Dimensional Seismic Technology: An Integrated Four-Dimensional Seismic Interpretation Workflow
Jie Zhang, Dez Chu, Ganglin Chen, Kelly Wrobel, William L. Soroka
AAPG Special Volumes
... and 4-D seismic data. In commonly applied workflows for the seismic conditioning of geologic models, a derivative volume from 3-D seismic data is calibrated...
2011
Forecast Optimization and Value of Information under Uncertainty
William J. Bailey, Benoit Couet, Michael Prange
AAPG Special Volumes
... functions (i.e., those with long computational run times).Another facet of many conventional optimization approaches is their need for derivative...
2011
Organic and Inorganic Metamorphism in the Taveyannaz Sandstone of the Swiss Alps and Equivalent Sandstones in France and Italy
Pierre J. Stalder
Journal of Sedimentary Research (SEPM)
.... DICKINSON, W. R., 1970, Relations of andesites, granites and derivative sandstones to Arc-Trench Tectonics: Rev. Geophys. and Space Physics, v. 8 No. 4, p...
1979
Screening Techniques: Chapter 9
Myron K. Horn
AAPG Special Volumes
... derivative of the structural profile; that is, the change of dip per unit length along strike. Fracture porosity f resulting from structural curvature...
1991
Metallogenic Provinces of Northeast Pacific: Minerals
Richard H. Jahns
AAPG Special Volumes
... of subjectivity and constraints in the outlining of districts, subprovinces, and provinces; and some derivative geologic inferences that cannot be readily...
1976
Petrography and Diagenesis of Cherts From Lake Magadi, Kenya
Kathryn A. Schubel , Bruce M. Simonson
Journal of Sedimentary Research (SEPM)
... that is preserved in some of the derivative cherts. Other cherts lack this preferred alignment, and the precipitation of randomly oriented quartz crystallites...
1990
Mechanical Analysis: Part 7. Methods of Study
Stina Gripenberg
AAPG Special Volumes
...' equation v=Cr2, by inserting v=h/t. As equation (11) contains the second derivative of the sedimentation curve, it can be solved by approximations only...
1939
The Role of Magnesium in the Crystallization of Calcite and Aragonite in a Porous Medium
Lurdes Fernandez-Diaz , Andrew Putnis , Manuel Prieto , Christine V. Putnis
Journal of Sedimentary Research (SEPM)
... of the derivative dß/dt of ß(t), for t = tw the waiting time. These calculations showed that the metastability level, i.e., the supersaturation...
1996
Fluid Dynamics of Viscous Buckling Applicable to Folding of Layered Rocks
Hans Ramberg
AAPG Bulletin
.... The approach throughout the work has been to develop the stream function ^psgr and the derivative velocity components U and V which satisfy the particular...
1963
Geochemistry of the Floodplain Sediments of the Kaveri River, Southern India
Pramod Singh, V. Rajamani
Journal of Sedimentary Research (SEPM)
..., that the effect of physical sorting on the chemistry of derivative sediments would largely be determined by the magnitude of chemical weathering. Soils formed...
2001
Process-Response Modeling of Wave-Dominated Coastal Systems: Simulating Evolution and Stratigraphy on Geological Timescales
Joep E.A. Storms, G.J. Weltje, J.J. van Dijke, C.R. Geel, S.B. Kroonenberg
Journal of Sedimentary Research (SEPM)
..., loading, and vertical movements of the basin floor [L T-1]. The spatial derivative of the sediment flux is defined as the difference between rates...
2002
Sedimentology and Fractal-Based Analysis of Permeability Data, John Henry Member, Straight Cliffs Formation (Upper Cretaceous), Utah, U.S.A.
James W. Castle, Fred J. Molz, Silong Lu, Cynthia L. Dinwiddie
Journal of Sedimentary Research (SEPM)
..." fashion (a discontinuous first derivative; Fig. 10), and nonstationary means that statistical parameters computed from the data, such as mean...
2004
Longshore Drift: Trapped in an Expected Universe
J.A.G. Cooper, O.H. Pilkey
Journal of Sedimentary Research (SEPM)
... formulation and its derivative, the CERC equation, clearly do not address all-important elements of longshore transport. Equally, there are severe...
2004
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)
... the center of the graph (Fig. 9F). Level 6 adds the explicit time derivative of foreset slope, dSf|dt, (as opposed to parametric change in Sf with time, which...
2006
A Cretaceous Time Scale
J. E. Van Hinte
AAPG Bulletin
... at the author's request. His request to use "planktic" in lieu of "planktonic" as the adjectival derivative of "plankton" was not honored. End_Page 498...
1976
Role of Salinian Block in Evolution of San Andreas Fault System, California
Stephan A. Graham
AAPG Bulletin
... p. Dickinson, W. R., 1970, Relations of andesites, granites, and derivative sandstones to arc-trench tectonics: Rev. Geophysics and Space Physics, v...
1978
Thrust Loads and Foreland Basin Evolution, Cretaceous, Western United States
Teresa E. Jordan
AAPG Bulletin
... Correlations The correlations between thrust sheets and derivative sediments in the foreland trough used in the following analysis are based on available...
1981
Episodic Rifting and Subsidence in the South China Sea
Ke Ru , John D. Pigott
AAPG Bulletin
... (the first derivative of subsidence with respect to time) as a function of time (lower part of Figure 13B). Construction of subsidence rate curves greatly...
1986
Computer-Generated Corelike Descriptions from Open-Hole Logs (1)
HERVE ANXIONNAZ, PIERRE DELFINER, and JEAN PIERRE DELHOMME
AAPG Bulletin
... by the number of break points per unit length, where break points are defined as significant inflection points (magnitude of the derivative above a given...
1990
Geopressuring Mechanism of Organic Matter Cracking: Numerical Modeling
Xiaorong Luo , Guy Vasseur
AAPG Bulletin
... equation 18 [EQUATION (23)] and then [EQUATION (24)] Defining a temporal derivative (d/dt) with solid movement: [EQUATION (25)] we have [EQUATION...
1996
Natural fractures in the Barnett Shale and their importance for hydraulic fracture treatments
Julia F. W. Gale, Robert M. Reed, Jon Holder
AAPG Bulletin
..., P:In this expression, B is a constant; S0 is compliance when a = 0; and the crack velocity, V, is given by the time derivative of a. For a constant...
2007
Disequilibrium compaction as the cause for CretaceousPaleogene overpressures in the Danish North Sea
Ole Valdemar Vejbaek
AAPG Bulletin
... and shown in the diagram B. The loading rate, shown in diagram A, is found as the first derivative of the integrated deposited overburden above...
2008
Managing trade-offs between conflicting goals through a portfolio visualization process
Stephen M. Rasey
AAPG Bulletin
... function.For every constraint there is a dual variable j = $/(goalj), where $/(goalj) is the partial derivative of the objective function...
2008