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The AAPG/Datapages Combined Publications Database

Showing 678 Results. Searched 195,354 documents.

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Morphology and Origin of Ripple-Drift Cross-Lamination, with Examples from the Pleistocene of Massachusetts

Alan V. Jopling, Roger G. Walker

Journal of Sedimentary Research (SEPM)

... laminae. Sinusoidal ripple lamination (new term) consists of a series of ripples with symmetrical, sine-wave profiles and continuous laminae across...

1968

Abstract: Fish trace fossils from the Horton Bluff Formation (Lower Carboniferous) of Nova Scotia

Donald Wood, Barry Cameron

Atlantic Geology

... to leave traces: (1) isolated and discontinuous drag marks of fin spines, possibly made by acanthodian fish and (2) sinusoidal trails left by fins...

1998

Advances in High Resolution Seismic Reflectivity Inversion

Dr. John Castagna

Houston Geological Society Bulletin

... representing reflection coefficients at the top and base of a given layer. The frequency response for any impulse pair is sinusoidal and periodic all the way...

2012

ABSTRACT: USING HARMONIC HYDRAULIC TESTS TO ESTIMATE FRACTURED BEDROCK PROPERTIES AND PREDICT LOCAL HETEROGENEITY; #90114 (2010)

Eric J. Guiltinan and Matthew Becker

Search and Discovery.com

... creating a sinusoidal pressure wave in one well and observing the phase shift and attenuation of the signal in another well. These tests have been...

2010

Abstract: Four Systems Tracts: Useful Methodology or Model-Driven, Wishful Thinking?; #90211 (2015)

Ashton Embry

Search and Discovery.com

... Abstract It has been advocated that a sequence be subdivided into four systems tracts on the basis of a model that employs sinusoidal base level change...

2015

Abstract: A Tectonic Hypothesis to Explain Earth’s Crustal Movement, and May Control A Basin’s Configuration and Depositional Sequence

Eric F. Engbrecht

Abilene Geological Society

..., but not constant. The proposed sinusoidal, incremental, accumulated energy hypothesis develops a dynamic mechanism. For the proposed tectonic hypothesis...

1983

Using Borehole Images for Target-Zone Evaluation in Horizontal Wells

Neil F. Hurley , David R. Thorn , Janine L. Carlson , Sandra L. W. Eichelberger

AAPG Bulletin

... and clay-rich interbeds appear as dark, high-conductivity traces on the FMS log. These traces can be fit with sinusoidal curves and oriented...

1994

Abstract: Technological Solutions to Deepwater Slope Valley Reservoir Challenges; #90306 (2017)

Mark Lynch, Alex Castellini

Search and Discovery.com

... solutions to address specific project uncertainties and needs. Horizontal sinusoidal pilot (HSP) wells provide a rich static data set that can...

2017

Abstract: Box Fold Shape and Fractures: Differences Observed from Buckling vs. Detachment Folding;

Caroline Burberry, Andreas Eckert, Yuxing Wu

Search and Discovery.com

..., sinusoidal, parabolic, and double-hinged structures. Results indicate that Fold A developed through a sinusoidal and parabolic geometry before evolving...

Unknown

Slabbing Borehole Images: A True 2D Visualization of Wellbore Geology

Anish Kumar, Josselin Kherroubi, Florent Bringer, George Richard Kear, Robert Laronga, Juan Herrera

GCAGS Transactions

... in core slabs. Conducting interpretation visually based on these “sinusoidal” images requires lots of training and experience, and many industry...

2018

A Method for Reducing the Effects of Base Plate Distortion

S. A. Sorkin

Pacific Section of AAPG

... with the reference signal result in a band of sinusoidal oscillations. In the case of a linear frequency down sweep this band has maximum amplitude between...

1972

Abstract: Seismic Fracture Characterization of Middle Marrat Formation Using Prestack Azimuthal Inversion: A Case Study In Kuwait; #91204 (2023)

Taiwen Chen, Mohamed Hafez, Muneera Al-Awadhi, Rajesh Rajagopal, Alanood Al-Otaibi, Krishna Gouravarapu and Karam Abd Rabou

Search and Discovery.com

... in the data. Several COCA views were generated at important well locations. Strong amplitude variation with azimuth (sinusoidal patterns on COCA views...

2023

Depositional Setting of Coal Deposits in the Whitehorse Trough, Yukon Territory, Canada: Abstract

D. G. F. Long

CSPG Special Publications

... development of ? sinusoidal cross-stratification up to 12.8m thick may indicate local deposition in coarse-grained meandering streams. Coal deposits...

1984

Recent Carbonates of Isla Mujeres? Quintana Roo: ABSTRACT

Robert L. Folk

AAPG Bulletin

..., consists of oolitic dunerock. The Caribbean coast is subjected to heavy waves, and the sediments are coarse, well sorted, highly polished...

1963

Oxygen Isotope Ratios in Fresh-Water Limestones as Sensitive Paleoclimatic Temperature Indicators: ABSTRACT

Jon N. Weber

AAPG Bulletin

.... The results form a regular sinusoidal curve with O18/O16 maxima in the colder periods of Permo-Caboniferous and Quaternary glaciation, and a minimum...

1964

Early Post-Depositional Preservation of Paleosalinity, A Mathematical Approach: ABSTRACT

David W. Scholl, William L. Johnson

AAPG Bulletin

...). The model predicts that, in areas where the bottom water has an annual sinusoidal-salinity fluctuation with an amplitude of 35 ^pmil (parts per mil...

1966

Some Fundamental Issues on the Effect of Sampling on Wavefield Imaging

Peter W. Cary

Search and Discovery.com

... with a picture of some sinusoidal events that appear to dip in one direction, but actually dip in another direction. These basic concepts are all important...

Unknown

ABSTRACT: Three-Dimensional Numerical Modelling of Eustatic vs Local Controls on Depositional Sequences; #90007 (2002)

Rob Gawthorpe, Stuart Hardy, Bryan Ritchie, Emma Finch

Search and Discovery.com

... development with respect to stages in a eustatic sea-level cycle. However, even with constant sediment supply and a simple sinusoidal eustatic sea...

2002

ABSTRACT: Multiscale Analysis of Well Logs; #90051 (2006)

Faouzi M. Khene

Search and Discovery.com

... sinusoidal cyclicities. Conventional spectral analysis may not then be appropriate to identify and evaluate characteristics of well logs, such as superimposed...

Unknown

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