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The AAPG/Datapages Combined Publications Database
Showing 11,300 Results. Searched 197,444 documents.
Safety of Water-Flooding Pressures at Bradford, Pennsylvania
Frederick G. Clapp
AAPG Bulletin
... the theoretical mathematically safe figure may be justified. 4. It seemed probable that, if effect on the "cap rock" of the sand and the directly...
1935
Geologic Overview, Coal, and Coalbed Methane Resources of the Western Washington Coal Region
R. Choate, C. A. Johnson, J. P. McCord
AAPG Special Volumes
... is rugged. Mountain ridges are deeply dissected with steep-walled, glaciated valleys, many of which head in glacial cirques. Elevations of the Cascades...
1984
The distribution, biota and stratigraphy of a Windsor Group limestone (Mississippian) and associated sediments in the Quaco Head area of New Brunswick
A. G. Plint, R. J. Ryan, H. W. van de Poll
Atlantic Geology
...The distribution, biota and stratigraphy of a Windsor Group limestone (Mississippian) and associated sediments in the Quaco Head area of New...
1983
Biological Pumping Upwards of the Coarse Fraction of Deep-Sea Sediments
I. N. McCave
Journal of Sedimentary Research (SEPM)
... there is the deeper "till" layer. The localization strongly suggests that the material in the top of the cores has its source in the deeper layer. I postulate...
1988
Permeability Controls on Aquathermal Pressuring
John M. Sharp, Jr.
AAPG Bulletin
... conditions the decrease in intrinsic permeability caused by consolidation is greater than the viscosity effect. Therefore, the two commonly stated...
1983
The Early Days of Northwest Colorado
Helen L. Warner
Rocky Mountain Association of Geologists
... and territory, even to Washington. Chief Ouray was head of the Ute Nation in the fateful years of the latc 1870βs when the Northern Utes, whose...
1958
Facies Characteristics of Back-Barrier Tidal Flats of the East Frisian Island of Spiekeroog, Southern North Sea
Gnther Hertweck
Special Publications of SEPM
.... In the mid portion of the sediment column the stratification is slightly disturbed by Scoloplos burrows The Ceras oderma shell layer cation is slightly...
1998
Evaluating hydrocarbon trap integrity during fault reactivation using geomechanical three-dimensional modeling: An example from the Timor Sea, Australia
Laurent Langhi, Yanhua Zhang, Anthony Gartrell, Jim Underschultz, David Dewhurst
AAPG Bulletin
... kPa/m]) was prescribed for the sandstone layer. The prescribed initial pore-pressure conditions for the model define a vertical hydraulic head...
2010
Seismic Signature as a Porosity Indicator in Early Miocene Reefs in the Madura Strait Via AVO Inversion and Modelling
Bimal R. Banerjee
Indonesian Petroleum Association
... of the Zoeppritz Equation. Geophysics, 50, 609-614. In 1992 Huffco Brantas and its joint venture partners initiated a project to study the effect...
1993
Natural Gas Value Chain, Preparing Competitive Domestic Market for the Future
Ahmed Syarif, Rizky Muhammad Kahfie
Indonesian Petroleum Association
..., it will pass through some entity called natural gas value chain. LNG value chain involves well head gas, processing, liquefaction, shipping...
2008
Exploring Overpressured, Naturally Fractured Reservoirs, Powder River Basin, Wyoming: A Multi-disciplinary Effort
Steven L. Parks, Melinda S. Gale
Montana Geological Society
... to define the degree of anisotropy present in the subsurface. As shear-waves propagate through the subsurface, anisotropy will cause...
1996
Where to Perforate? Where to Fracture? Β Workflow to Select and Rank Intervals for Completion
Harshad Dixit, Ashutosh Kumar Singh, Vijay Raj, Tania Dev
Indonesian Petroleum Association
... the poro-elastic uniaxial strain equation considering the effect of tectonic stresses in ππ»πππ₯ direction. Maximum horizontal stress (ππ»πππ₯): can...
2023
Physiographic and Oceanographic Characteristics of Chezzetcook Inlet, Nova Scotia
David B. Scott
Atlantic Geology
.... The channels begin at the head of the estuary as one large channel originating from the East Head (near station 21, Fig. 2) which bifurcates just below...
1977
Thinolite-Type Pseudomorphs After Ikaite: Indicators of Cold Water on the Subequatorial Western Margin of Lower Carboniferous North America
Richard T. Brandley, Federico F. Krause
CSPG Special Publications
... of the Lower Carboniferous (Visean) Mount Head Formation in the southern Canadian Rocky Mountains. Clusters are typically rosettes and irregular aggregates...
1994
Thermal and Maturation Modeling of the Urengoy Field, West Siberian Basin: Some Special Considerations in Basin Modeling
Yurii Galushkin, Olga Simonenkova, and Nikolai Lopatin
AAPG Bulletin
... processes, their effect on organic matter maturation is minimal; nevertheless, their roles in the formation of present-day temperature profiles...
1999
Field and Modelling Studies of Cambrian Carbonate Cycles, Virginia Appalachians
William F. Koerschner III, J. F. Read
Journal of Sedimentary Research (SEPM)
... megaripples and sand-waves produced high-angle, avalanche-type crossbedding, while common herringbone cross-bedding was formed by tidal currents...
1989
Formation of Deep Incisions Into Tide-Dominated River Deltas: Implications for the Stratigraphy of the Sego Sandstone, Book Cliffs, Utah, U.S.A.
Brian J. Willis, Sharon L. Gabel
Journal of Sedimentary Research (SEPM)
... in western Colorado (Kirschbaum and Hettinger 1998). The Blue Castle Tongue is a layer of coarser-grained fluvial deposits above the basal Neslen...
2003
Sedimentation of Fraser River Delta, British Columbia: DISCUSSION
Karl Terzaghi
AAPG Bulletin
... areas on the surrounding sl pe in the following manner. The top layer of the sediments is in a semi-liquid condition and starts to slump as soon...
1962
Evaluation of Water Hammer Analysis as Diagnostic Tool for Hydraulic Fracturing
Xiang Ma, Fuping Zhou, Jose Alberto Ortega Andrade, Shekhar Gosavi, Damian Burch
Unconventional Resources Technology Conference (URTEC)
.... They argued the calculated fracture dimensions should be considered to be βeffectiveβ fracture because the effect of multiple fractures is lumped...
2019
Kilometre-Scale Microbial Buildups in a Rimmed Carbonate Platform Succession, Arctic Canada: New Insight on Lower Ordovician Reef Facies
Tim De Freitas, Ulrich Mayr
CSPG Bulletin
... determination. Science, v. 157, p. 1043-1045. James, N.P. 1981. Megablocks of calcified algae in the Cow Head Breccia, western Newfoundland: vestiges...
1995
Geomorphologic Analysis of Forillon National Park, Quebec, Canada
Murray A. Roed
Atlantic Geology
... and maps, by the analysis of offshore morphology (marine geomorphology), and by interviewing longtime residents of the area. Erosion by waves and frost...
1979
Age of Gulf Border Salt Deposits
Levi S. Brown
AAPG Bulletin
..., the conditions under which it was formed, the cause of the doming effect, the origin of the cap rock, and many other associated questions long have been...
1934
Allogenic vs. Autogenic Controls on Megaflute Formation
Ian A. Kane, William D. McCaffrey, Ole J. Martinsen
Journal of Sedimentary Research (SEPM)
..., from a few millimeters to 10 cm, typically around 2β3 cm. The thickness of the coarse layer may be controlled by the underlying low-relief erosional...
2009
Memorial: Edward Chauncey Hinman Lammers (1910-1971)
Roger G. Alexander Jr.
AAPG Non-Technical and Memorials
... of exploratory personnel. To fill a need in Standard's research effort, Ed was asked to head the geologic work at Chevron Research in La Habra, California...
1971
Shaking up the Earth: The AI revolution in seismic interpretation
Ryan Williams
GEO ExPro Magazine
... a considerable head start but may require editing, calling upon the skills and knowledge of the interpreter to accept the result or make improvements. AI...
2023