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The AAPG/Datapages Combined Publications Database
Showing 34,948 Results. Searched 200,756 documents.
Evolution of the Tithonian-Aptian Carbonate Platform Along the Northern Tethyan Margin, Eastern Helvetic Alps: Chapter 31
Hanspeter Funk, Karl B. Follmi, Hans Mohr
AAPG Special Volumes
... areas, platform growth was halted and sometimes even strong erosive conditions prevailed. The first time that such extremely different environmental...
1993
An Inverse Approach for Relating Seismic Velocity and Overpressure to Permeability and Sedimentation History in Deep Basins, #40863 (2012)
Hector M. Moreno, Tim A. Minshull, Rosemary A. Edwards,
Search and Discovery.com
... Misfit Velocity Term Misfit Density Term 3 4 1/2 5 Misfit Layer Boundary Depth Term Hydrostatic 4. EBS BASIN RESULTS Hydrostatic Conditions...
2012
Contacts of Sedimentary Formations: A Resume
C. G. Winder
CSPG Bulletin
... distinctive feature such as a ripple-marked surface or a pebble zone may influence the selection of a particular position for the boundary. Different...
1959
Uranium Ore Rolls - Occurrence, Genesis and Physical and Chemical Characteristics
Hans H. Adler, Byron J. Sharp
Utah Geological Association
... deposits, including ore rolls, in sandstone one must understand the significance of a variety of influencing conditions, beginning with paleoclimatic...
1967
Modeling Near-Wellbore Fracture Evolution and Tortuosity at the Utah FORGE Geothermal Test Site
Wei Fu, Branko Damjanac, Zorica Radakovic-Guzina, Robert Podgorney, John Mclennan
Unconventional Resources Technology Conference (URTEC)
..., and perforation tunnels are explicitly represented, as shown in Figure 2. The in-situ stress conditions were implemented such that the orientation...
2025
Selective Dolomitization By Syntaxial Overgrowth Around Detrital Dolomite Nuclei: A Case From the Jurassic of the Ligurian Briançonnais (Ligurian Alps)
Luca Martire, Carlo Bertok, Anna D'Atri, Elena Perotti, Fabrizio Piana
Journal of Sedimentary Research (SEPM)
... from the Ligurian Briançonnais Domain, which include: 1) the presence of multiple core types, each with different CL characteristics; 2) marked...
2014
Stratigraphic Gas Development in the Blanco Mesa Verde Pool of the San Juan Basin
R. W. Allen Jr.
Four Corners Geological Society
... and permeability and porosity changes within the individual sands. It is suggested that the gas production is coming from interfaces rather than from the sand...
1955
Hydraulic Fracture Propagation in a Multi-Layer Fractured Media; #42201 (2018)
Leonardo Cruz, Ghazal Izadi, Colleen Barton, Tobias Hoeink
Search and Discovery.com
... its effect on fracture geometry, and identifies conditions that promote an effective stimulation, using a 3D fully-coupled finite-element simulator...
2018
Coupling Meshfree Peridynamics with the Classical Methods for Modeling Hydraulic Fracture Growth in Heterogeneous Reservoirs
Shivam Agrawal, Jason York, John T. Foster, Mukul M. Sharma
Unconventional Resources Technology Conference (URTEC)
... misalignment with the applied boundary stresses. Figure 25 shows the fracture trajectory at different timesteps. The PD nodes in the middle of the fracture...
2020
The proposal of a new delimitation of the Siluro-Devonian boundary
Bedrich Boucek, Ivo Chlupac, Radvan Horny
CSPG Special Publications
... with the stage boundary (the stratigraphical content of the stages in the two developments is different and the boundaries, up to the upper limit...
1967
The proposal of a new delimitation of the Siluro-Devonian boundary
Bedrich Boucek, Ivo Chlupac, Radvan Horny
CSPG Special Publications
... with the stage boundary (the stratigraphical content of the stages in the two developments is different and the boundaries, up to the upper limit...
1967
Silicified Stromotolites, Paleokarst and Diagenetic Overprinting Along Sequence Boundary Beds, Madison/Darwin Contact, Bighorn Basin Wyoming — A Tool for Low-Stand Carbonate Deposystem Investigation?
C. Enzl, J. Trappe, C. F. Vondra
Wyoming Geological Association
... Madison to lower Amsden "sequence boundary beds" was investigated in a case study to reconstruct the environmental conditions during sea-level low...
1996
Ecological Niches of Radiolarians, Planktonic Foraminiferans and Pteropods Inferred from Studies on Living Forms in the Gulf of Mexico and Adjacent Waters
Richard Casey , Linda Gust , Ann Leavesley , Damon Williams , Richard Reynolds , Theo Duis , Joan Mussler Spaw
GCAGS Transactions
... be nannoherbivores, bacterivores, detritivores, and/or associated with symbiotic algae and may be characteristic of eutrophic, mesotrophic or oligotrophic conditions...
1979
ABSTRACT: The role of inherited discontinuities on fault propagation: impact on fault modeling techniques; #90007 (2002)
Jean-Marc Daniel, Nicolas Belhasen, Sylvie Schuller
Search and Discovery.com
... as surfaces evolving with time. This paper demonstrates how lithological interfaces disturb the vertical propagation of faults and how inherited faults control...
2002
Dynamics of Marine Transgression onto a Non-Linear Shoreline: The Middle Cambrian Flathead Sandstone, Clarks Fork Valley, Wyoming
R.A. Beebee, Rónadh Cox
Rocky Mountain Association of Geologists
... and Britain have placed the Precambrian/C~mbrian boundary at 545 +/- 5.1 m.y. (Tucker and McKerrow, 1995). Magnetostratigraphic and biostratigraphic...
1998
Radiolarian Characteristics of Major Oceanographic Environments: ABSTRACT
Richard E. Casey, Joan Mussler Spaw
AAPG Bulletin
... oceanographic environments. Eastern and western high productivity boundary currents contain high standing crops of polycystine radiolarians...
1980
Deep-water depositional mechanisms and significance for unconventional hydrocarbon exploration: A case study from the lower Silurian Longmaxi shale in the southeastern Sichuan Basin
Chao Liang, Zaixing Jiang, Yingchang Cao, Minghao Wu, Ling Guo, and Chunming Zhang
AAPG Bulletin
... can provide favorable conditions for the production and preservation of organic matter and are thus conducive to the formation of high-quality source...
2016
2009
Paleosols in the Regressive Snyderville Shale Interval of the Toronto Limestone - Snyderville Shale Minor Cyclothem, Greenwood County, Eastern Kansas
Monica Turner, Wan Yang, Collette Burke
Kansas Geological Society
..., and thickness and amount of clay coating can also be used to differentiate different types of soils. Several types of paleosols are identified...
2003
Organic Matter Characteristics Near Shelf-Slope Boundary: ABSTRACT
R. W. Jones, G. J. Demaison
AAPG Bulletin
...Organic Matter Characteristics Near Shelf-Slope Boundary: ABSTRACT R. W. Jones, G. J. Demaison 1981 942 942 65 5. (May) The organic characteristics...
1981
Bulk Solution Disequilibrium in Aqueous Fluids as Exemplified by Diagenetic Carbonates
Hans-G. Machel
AAPG Special Volumes
... not necessarily indicate a change in the bulk solution composition: Fig. 1. Trace element and isotope data for different types of calcite from the Devonian...
1990
Optimized transparent boundary conditions for wave propagation
G. Roncoroni, B. Arntsen, E. Forte, M. Pipan
International Meeting for Applied Geoscience and Energy (IMAGE)
...Optimized transparent boundary conditions for wave propagation G. Roncoroni, B. Arntsen, E. Forte, M. Pipan Optimized transparent boundary conditions...
2024
Geology and Hydrocarbon Accumulations, Columbus Basin, Offshore Trinidad
Ray Leonard
AAPG Bulletin
... shales. Besides sand-shale interfaces, the seals to traps are provided by faults some of which are still active. They can act in different situations...
1983
Using Structural Restoration Techniques and Strain Tracking to Predict Fracture Distributions, #42089 (2017).
Catalina Luneburg
Search and Discovery.com
... and boundary conditions for individual fracture sets can then be used to develop predictive 3D models in present-day fractured reservoirs. Strain can...
2017
Hydraulic controls on turbidity channel and slope gullies lateral migration induced by contour currents
Juan J. Fedele, Nicole Bayliss
International Meeting for Applied Geoscience and Energy (IMAGE)
... different basic cases: 1) 2) The contour current bottom boundary (denser) layer (BBL) flowing in contact with the sea bed has a thickness that is much...
2022