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The AAPG/Datapages Combined Publications Database

Showing 11,300 Results. Searched 197,444 documents.

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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 1870’s 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 π‘†π»π‘šπ‘Žπ‘₯ direction. Maximum horizontal stress (π‘†π»π‘šπ‘Žπ‘₯): 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 β€œeffective” 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 2–3 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

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