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The AAPG/Datapages Combined Publications Database
Showing 31,842 Results. Searched 200,357 documents.
Imaging Seismic Data with High Resolution Gravity Data.
R. Opfer
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... the weathered layer density/velocity, and detect a possible structure with the gravity data itself. GravStat EXAMPLE FROM WEST TEXAS. •It took over...
2003
Saturated hydraulic conductivity (Ks) of earth materials in the weathering profile over a porphyritic biotite granite at the Kuala Lumpur Karak Highway in Peninsular Malaysia
John Kuna Raj
Geological Society of Malaysia (GSM)
...-boulders. The bottom Zone III (bedrock), whose upper surface is marked by an unconfined groundwater table, is a continuous granite outcrop with effects...
2021
Seismic Scale Effects
Search and Discovery.com
N/A
Incorporating the Effects of Diagenesis in Geomechanical Models of Fracture Pattern Development, by Jon Olson, #90027 (2004)
Search and Discovery.com
2004
The Chemistry of Secondary Porosity: Part 2. Aspects of Porosity Modification
Ronald C. Surdam, Steven W. Boese, Laura J. Crossey
AAPG Special Volumes
... Seas, Norway--an overview: Proceedings of the North European Margin Symposium, Trondheim, Norway. Lind, C., and J. Hem, 1975, Effects of organic...
1984
Ikaite Tufa Towers in Ikka Fjord, Southwest Greenland: Their Formation by Mixing of Seawater and Alkaline Spring Water
Bjorn Buchardt , Carsten Israelson , Paul Seaman , Gabrielle Stockmann
Journal of Sedimentary Research (SEPM)
... continuously at the tops of the columns. The only limits to upward growth are winter ice and the fresh-water layer capping the fjord during summer...
2001
Numerical Investigation of Post-Production Gas Flow Mechanisms in Coal Seams
Mohammad Sedaghat, Philip Hayes, Andrew Garnett
Unconventional Resources Technology Conference (URTEC)
... of gas saturation around the well mitigates the aquifer effects on pressure recovery, especially in the topmost layer where the bulk fluid compressibility...
2021
Carbonate Deposition Near Mean Sea-Level and Resultant Facies Mosaic: Manlius Formation (Lower Devonian) of New York State
Leo F. Laporte
AAPG Bulletin
... and paleontologic characteristics of a specific sedimentary layer or sequence. Such sedimentary facies usually refer to "some areally restricted part...
1967
Understanding the causes of low frequency shadow below gas hydrates
Ayman Noor M. Qadrouh, Saad Alajmi
Petroleum Exploration Society of Australia (PESA)
...) which represent the seismic signature of the base of gas-hydrate saturated sediments, with a layer partially saturated with free gas below the BSR...
2019
Clay Mineralogy of the Del Rio Clay Formation (Cenomanian), West Texas: Illite/Kaolinite Ratios as Relative Salinity Indicators
Victoria C. Hover, Fleur S. Bases, and Brian E. Lock
GCAGS Transactions
... transgressive-regressive cycle apart from the overlying Buda Formation. An siliciclastic-rich shale layer between about 5 and 8 ft below...
2008
Tidal and Seasonal Cycles in a Lower Cambrian Shallow Marine Sandstone (Hardeberga Fm.), Scania, Southern Sweden
Lars Hamberg
CSPG Special Publications
... Cambrian Hardeberga Formation in Scania (southern Sweden) is 120 m thick and rests directly on the weathered and peneplained crystalline Proterozoic...
1991
Understanding the Correlation Between Induced Seismicity and Water Injection in the Fort Worth Basin, #80481 (2015).
Valerie Gono, Jon E. Olson, Julia Gale
Search and Discovery.com
... into the model to include the effects of transsmissive versus sealing faults on flow patterns. Preliminary simulation results show that where earthquakes...
2015
ABSTRACT: REANALYSIS OF GRAVITY DATA FOR THE ARCTIC NATIONAL WILDLIFE REFUGE, NORTHEASTERN ALASKA
Search and Discovery.com
N/A
Abstract: Horizontal Detachments, Planes of Weaknesses and Layer Parallel Shortening in Shale — Potential Impact on Unconventional Shale Development, by Chatellier, Jean-Yves; #90163 (2013)
Search and Discovery.com
2013
Hydrate Stability Zone Permanence along Dynamic Louisiana Offshore
Allen Lowrie , Michael D. Max , Rhett Hamiter , Ian Lerche , Elchin Bagirov
GCAGS Transactions
..., Proc. Third International Conference on Permafrost, v. 1, p. 938-943. Diegel, F. A., J. E. Karlo, D. C. Schuster, R. C. Shoup, and P. R. Tauvers, 1995...
1997
Subaqueous Shrinkage Cracks from the Caithness Flagstone Series (Middle Devonian) of Northeast Scotland
R. Nowell Donovan, Richard J. Foster
Journal of Sedimentary Research (SEPM)
... of thermal contraction cracks and ice-wedge polygons in permafrost: Geol. Soc. America Spec. Paper, v. 70, p. 1-69. MILES, R. S., AND WESTOLL...
1972
Petrography of Major Dadeville Complex Rock Units in the Boyds Creek area, Chambers and Lee counties, Alabama
D. E. Brown,, R. B. Cook Jr.
Alabama Geological Society
... and the general . absence of high-temperature contact effects; and (5) of high-temperature contact effects; and (5) emplacement into the axial...
1981
Abstract: An Efficient Mesh Management for Moving Boundaries Associated with Erosion Events, by U. Mello and I. Khabibrakhmanov; #90091 (2009)
Search and Discovery.com
2009
Impact of Parent Well Depletion on Stress Changes and Infill Well Completion in Multiple Layers in Permian Basin
Anusarn Sangnimnuan, Jiawei Li, Kan Wu, Stephen A. Holditch
Unconventional Resources Technology Conference (URTEC)
...) and a case where two parents are located in the same layer (Wolfcamp A2 and B2). Stress redistribution is then observed to determine the completion...
2019
Geologic Hazards of the St. George Area, Washington County, Utah
Gary E. Christenson
Utah Geological Association
... layer undermines the resistant bed causing failure and rock fall. Such failures commonly occur during storms when the less-resistant rocks either...
1987
Geologic Hazards of the St. George Area, Washington County, Utah
Gary E. Christenson
Utah Geological Association
... rocks (shale, siltstone). Erosion of the underlying layer undermines the resistant bed causing failure and rock fall. Such failures commonly occur during...
1992
Arkose, Subarkose, Quartz Sand, and Associated Muds Derived from Felsic Plutonic Rocks in Glacial to Tropical Humid Climates
Peter C. van de Kamp
Journal of Sedimentary Research (SEPM)
..., allanite, sphene, and apatite. More intensely weathered samples contain more xenotime and zircon, evidenced by Yb enrichment. Akhtar, K., and Ahmad, A.H.M....
2010
Exploring medieval adits in a copper mine using ground-penetrating radar imaging (GPR)
Franz-Luitpold Kessler
Geological Society of Malaysia (GSM)
... fault branches, is shown in Figure 9. In weathered near-surface rock we observe formation of chrysocolla 3 Franz-Luitpold Kessler Green belt Green...
2018
Metallic Sulfide Deposits in the Winnfield Salt Dome, Louisiana: Evidence for Episodic Introduction of Metalliferous Brines During Cap Rock Formation
Mark R. Ulrich , J, Richard Kyle , Peter E. Price
GCAGS Transactions
.... In weathered samples hydrating to gypsum, marcasite is common and appears to be an alteration product of pyrrhotite. A roughly laminated massive sulfide lens...
1984
Incipient Metamorphic Fabrics in Some Mud-Supported Carbonate Rocks
Philip R. Brown
Journal of Sedimentary Research (SEPM)
... (fig. 1). Folding, cleavage, fracturing and similar indications of deformation were noted in the field so that the effects of local tectonic movements...
1972