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The AAPG/Datapages Combined Publications Database

Showing 31,896 Results. Searched 200,685 documents.

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ABSTRACT: DEPTH IMAGING VELOCITY ESTIMATION CASE HISTORY IN A CHALLENGING AREA OF CALIFORNIA; #90014 (2003)

Fliedner, Moritz, Dimitri Bevc, Robert Clapp

Search and Discovery.com

... propagation effects and complex velocity structure. In this case history, which exhibits both challenges, a deep target has been imaged by a 50,000...

Unknown

ABSTRACT: Imaging Anisotropic Symmetry Using Prestack Converted-Wave Seismic Data for Fracture Analysis; #90061 (2006)

Jason E. Gumble, James E. Gaiser, and Robert H. Tatham

Search and Discovery.com

..., and tilted transverse isotropy (TTI) commonly associated with dipping fractures. The multi-layer models included varying degrees of anisotropy and dip...

2006

Abstract: A New Integrated Measuring and Adjusting Technology of Separate Layer Water Injection Well; #130000 (2018)

Honglan Liu

Search and Discovery.com

...Abstract: A New Integrated Measuring and Adjusting Technology of Separate Layer Water Injection Well; #130000 (2018) Honglan Liu AAPG Datapages...

2018

PS

Search and Discovery.com

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Paleoclimatology and the Relative Stability of Feldspar Minerals Under Atmospheric Conditions

Thomas W. Todd

Journal of Sedimentary Research (SEPM)

... resulted in recognition of the order: orthoclase-more-weathered-than-andesine. Geological evidence indicates a common weathering history...

1968

The Holocene Transgression in Peninsular Thailand

Paiboon Pramojanee, Paul Hastings, Montri Liengsakul, Virote Engakul

Geological Society of Malaysia (GSM)

... tangible effects on more down-to-earth aspects of Thailand. These changes in sea-ieve! heralded modifications in climate, weathering regimes, and landform...

1986

Hydrodynamics of Denver Basin: Explanation of Subnormal Fluid Pressures

Kenneth Belitz, John D. Bredehoeft

AAPG Bulletin

... with Programs, p. 650. Senger, R. K., and G. E. Fogg, 1987, Regional underpressuring in deep brine aquifers, Palo Duro basin, Texas; 1, effects...

1988

Silicate Analyses and Normative Compositions of the Fine Fraction of Till: Examples from Eastern Finland

Kalle Taipale, Raimo Nevalainen, Matti Saarnisto

Journal of Sedimentary Research (SEPM)

...------------------------ in that of the lowermost sample of the pit, which represents a layer of weathered bedrock of a composition which distinctly deviates from...

1986

Tidal-Flat Sedimentation from Hurricane Kate, Caicos Platform, British West Indies

Harold R. Wanless, Kenneth M. Tyrrell, Lenore P. Tedesco, Jeffrey J. Dravis

Journal of Sedimentary Research (SEPM)

... and distribution of a specific storm-sediment layer and to evaluate the role of hurricanes in molding the geometry of the tidal-flat system. Though moderate...

1988

Turner Valley Formation of the Jumping Pound Area, Foothills Southern Alberta

A. W. Rupp

CSPG Bulletin

.... Fig. 3. Turner Valley Mt3B, extremely fine crystalline dolomite containing numerous former burrows now completely filled with light colored "weathered...

1969

Recent Supratidal Dolomite from Andros Island Bahamas

Eugene A. Shinn, R. N. Ginsburg, R. Michael Lloyd

Special Publications of SEPM

... Island DOLOMITE below Recent dolomite on An in a single crust like layer occurs above and normal tide high level The crops out above normal...

1965

Beach Indicators in the Mesaverde Formation

Heinrich Toots

Wyoming Geological Association

... formed of mud pellets has weathered out leaving external mold and part of interval filling of burrow. McFadden. Unit C shows a different development...

1961

The Upper Cretaceous Beartooth Sandstone of Southwestern New Mexico: A Transgressive Deltaic Complex on Silicified Paleokarst

Henry S. Chafetz

Journal of Sedimentary Research (SEPM)

... the products of the last stages of weathering in the terrestrial realm; earlier soils and weathered material would most likely have been eroded and transported...

1982

Fluid Flow

Gerard Middleton, John B. Southard

Special Publications of SEPM

... that at higher real-fluid velocities the boundary layer in which viscous effects are concentrated next to the surface of the sphere is thin...

1984

Abstract: A Stable Criterion for Shear-Wave-Splitting Analysis; #90174 (2014)

Xinxiang Li and Jeff P. Grossman

Search and Discovery.com

..., process (3) removes the splitting effects of the HTI layer. Different inverse-problem schemes can be formed using (3) to estimate the fast shear...

2014

Gas Hydrates and Microbiological Processes; #80081 (2010)

Cleveland M. Jones, Jose Diamantino A. Dourado, Hernani Aquini F. Chaves

Search and Discovery.com

... regions (permafrost) and on the continental shelf - in marine surface and subsurface deposits, above seismically observable bottom-simulating reflectors...

2010

Thin Layer Reservoir Characterization on Basal Sand, Aryani Field, Asri Basin

Zha Chaoyang, Shen Weifeng, Susandhi Ridwan, Jendra Alfredy, Widya Andine, Heri Gunawan

Indonesian Petroleum Association

.... To extract high-resolution layer thickness information from the interference amplitude spectrum, it is necessary to first remove the effects...

2011

Laboratory-controlled simulations of dinosaur footprints in sand: A key to understanding vertebrate track formation and preservation

Simon J. Jackson, Martin A. Whyte, Mike Romano

PALAIOS

... by the depth of the cutting saw, an extra layer of sand, ϳ40 mm thick, was used as the base of the sample to reduce interference effects with the base...

2009

Isotopic Studies of Organic Matter and Carbonate in Rocks of the Greenhorn Marine Cycle

Lisa M. Pratt

Special Publications of SEPM

... of the seawater in which the shell grew and knowing if vital effects of a particular carbonate-secreting organism are important. Furthermore, the isotopic...

1985

Age of the Ouachita Orogeny and Its Tectonic Effects

Frank A. Melton

AAPG Bulletin

...Age of the Ouachita Orogeny and Its Tectonic Effects Frank A. Melton 1930 57 72 14 1. (January) Evidences which have been previously advanced...

1930

Biogenic Contribution of CO2 in Alpine Weathering

Paul Mankiewicz , Robert E. Sweeney

Journal of Sedimentary Research (SEPM)

... latite basement rock, dissolving calcium carbonate and leaching Ca2 and Na1 from andesine feldspar. Calcite is more rapidly weathered, exceeding...

1977

Backset Bedding in Turbidites: A Further Example from the Cloridorme Formation (Middle Ordovician), Gaspe, Quebec

Keith Skipper , S. B. Bhattacharjee

Journal of Sedimentary Research (SEPM)

.... The maximum density of the basal layer may be around 1.3 gm/cm3. At higher densities, viscous effects will be important. A maximum value for the density...

1978

Pennsylvanian Sandstones of the Eastern Interior Coal Basin

Raymond Siever

Journal of Sedimentary Research (SEPM)

... of mineralo ic composition and texture. Both diamond drill cores and outcrops of several sandstones were sampled to determine the effects of recent weathering...

1957

Synopsis of the Henry Mountains Region, Utah

Chas. B. Hunt

Utah Geological Association

... not glaciated during the Pleistocene is attributable to insufficient moisture. They were cold enough, as indicated by freeze and thaw effects and periglacial...

1980

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