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The AAPG/Datapages Combined Publications Database

Showing 11,129 Results. Searched 195,502 documents.

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Comparison of Machine Learning and Statistical Predictive Models for Production Time Series Forecasting in Tight Oil Reservoirs

Hamid Rahmanifard, Ian Gates, Abdolmohsen Shabib-Asl

Unconventional Resources Technology Conference (URTEC)

... (ML) methods especially Artificial Neural Networks (ANNs). Cao et al. (2016) proposed an ANN (a hidden layer containing 15 neurons) model using 2...


Processes of Sediment-Wave Construction Along the Present Zaire Deep-Sea Meandering Channel: Role of Meanders and Flow Stripping

Sebastien Migeon,, Bruno Savoye, Nathalie Babonneau, France-Lucy Spy Andersson

Journal of Sedimentary Research (SEPM)

... of lithofacies suggests that construction of migrating sediment waves is closely linked to repeated successive spillovers from the head and body of a single...


"Mud-Line": Modeling its Position Relative to Shelf Break: ABSTRACT

Daniel Jean Stanley, Sunit K. Addy, E. W. Behrens

AAPG Bulletin

... are the intersection of density fronts separating shelf and slope waters, and the channelizing effect of the canyon head cut deeply into the outermost shelf...


Large Sand Waves in Navarinsky Canyon Head: Products of Density Underflows?: REPLY

H. A. Karl, D. A. Cacchione, P. R. Carlson

Journal of Sedimentary Research (SEPM)

...Large Sand Waves in Navarinsky Canyon Head: Products of Density Underflows?: REPLY H. A. Karl, D. A. Cacchione, P. R. Carlson 1988 Vol. 58 No. 4...


Modern internal waves and internal tides along oceanic pycnoclines: Challenges and implications for ancient deep-marine baroclinic sands

G. Shanmugam

AAPG Bulletin

...)00005-7.Karl, H. A., D. A. Cacchione, and P. R. Carlson, 1986, Internal-wave currents as a mechanism to account for large sand waves in Navarinsky Canyon Head...


On the Stabilizing Influence of Silt on Sand Beds

Gerhard Bartzke, Karin R. Bryan, Conrad A. Pilditch, Katrin Huhn

Journal of Sedimentary Research (SEPM)

... treatment effect (homogeneity of slopes p  =  0.35; treatment p  =  0.88) on boundary-layer flow characteristics. Consequently data from all three...


Kinematics of Sand Avalanches Using Particle-Image Velocimetry

Michael Tischer , Marcus I. Bursik , E. Bruce Pitman

Journal of Sedimentary Research (SEPM)

... flowing over the sand layer. In the corresponding pictures for this compressing flow (Fig. 3B), a small blurred region at the tip of the head...


Crustal Structure and Seismotectonics of Northern Baja California: Chapter 15: Part III. Regional Geophysics and Geology

J. Frez, J. J. Gonzalez

AAPG Special Volumes

... with our simple model. In any case, the effect of the increase in thickness of the seismogenic layer on our estimate would be almost compensated...


Surge Propagation in Debris Flows; #51540 (2018)

Paul Allen, Oliver Harlen, Robert Dorrell, Robert Thomas, William McCaffrey

Search and

.... Numerical simulations were undertaken with single-layer and two-layer Lagrangian finite-difference schemes based on the depth-averaged, shallow water...


Swell-Dominated Carbonates On A Mississippian Ramp In the Canadian Rocky Mountain Front Ranges

Edward J. Matheson,, Robert W. Dalrymple, Noel P. James

Journal of Sedimentary Research (SEPM)

... will just rework the same layer repeatedly. Swell waves do not provide a mechanism to transport large amounts of sediment into deeper water (i.e....


Groundwater Quality Implications of Bank-Storage in a Crystalline-Rock Setting

James R. Mayer, Jonathan Brinson, Barry George

Environmental Geosciences (DEG)

... is primarily a pressure effect and requires only minor infiltration of surface water to produce the same observed change in hydraulic head...


Dynamics of Nearshore Sediment Movement

J. W. Johnson

AAPG Bulletin

... in the following paragraphs. EFFECT OF WAVE EXPOSURE ON BEACH TYPE Beaches adjust themselves to absorb the energy of the attacking waves. Beaches which...


Cow Head Breccia Sedimentology of the Cambro-Ordovician Continental Margin Newfoundland

J. F. Hubert, R. K. Suchecki, R. K. M. Callahan

Special Publications of SEPM

... on the Schmidt nets. 143 CAMBRO ORDOVICIAN MARGIN Calcarenite layer on mass flow breccia The ripples 17 Calcarenite beds in the Cow Head Breccia A Cross...


Offshore Tidal and Non-Tidal Sand Ridges and Sheets: Differences in Morphology and Hydrodynamic Setting

R. H. Belderson

CSPG Special Publications

... due to the obstruction of the headland. This effect can develop asymmetric sand waves along the inshore slope of the sand bank. These sand waves...


Sediment transfer from shelf to deepwater slope: How does it happen?

Yuqian Gan, Flavio N. de Almeida, Júnior, Valentina M. Rossi, Ron J. Steel, Cornel Olariu

Journal of Sedimentary Research (SEPM)

... linkage or canyon capture), surface mud plumes (hypopycnal flow), dilute-suspension bottom-boundary-layer dispersal sometimes enhanced by waves or tide...


Concentration-Dependent Flow Stratification In Experimental High-Density Turbidity Currents and Their Relevance To Turbidite Facies Models

Matthieu J.B. Cartigny,, Joris T. Eggenhuisen, Ernst W.M. Hansen, George Postma

Journal of Sedimentary Research (SEPM)

... by relatively small flow depth and low overall sediment concentration (Fig. 4A). Below and just behind the head of these pulses, a thin type IIa layer...


Wave-Formed Sedimentary Structures„A Conceptual Model

H. Edward Clifton

Special Publications of SEPM

... water the thickness of the reworked layer should decrease in progressively deeper water until at depth some no effect on where the bottom waves...


Geomechanical Properties of the Upper Ordovician Macasty Shale and its Caprock, Anticosti Island: A Regional Evaluation for a Promising Tight Oil Play, #80542 (2016).

Denis Lavoie, Stephan Sejourne

Search and

... Head Increased irregularity of the borehole impacting both the raw P and S waves corrected in the synthetics Vauréal Graphical comparison...


Aspiration or expiration: hypoxia and the interpretation of fish predation in the fossil record

D. Ross Robertson, Carole C. Baldwin, David Bellwood, Richard Pyle, William Smith-Vaniz, Luke Tornabene, James L. Van Tassell


... al. 2015). Further, so-called ‘‘aspiration’’ fossils of a relatively large fish partly inserted headfirst into the mouth of another fish (Fig. 1A) often...


Spherical-Wave Computational AVO Modelling in Elastic and Anelastic Isotropic Two-Layer Media; #41564 (2015)

Arnim B. Haase, Charles P. Ursenbach

Search and

... is increasing across the interface as can be seen in Table 1. Because of this velocity increase, a critical angle exists and head waves are generated in Class...


Mechanics of Diapir Growth: Unit 16: Principles

Martin P. A. Jackson, William E. Galloway

AAPG Special Volumes

... of layer thickness, , and density, P, with correction for dip, a. The pressure head within the fluid source layer is equal at points P1 and P2...


Broadband Seismic Technology and Beyond: Part III: The Interaction between Ocean Waves and Recorded Seismic Data

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... created by ocean waves, there are currents in the water layer, and close to the streamer the flow is not necessarily laminar, as shown in Figure 3...


Changes in Flow Direction at a Point Caused by Obstacles During Passage of a Density Current

Stephen A. Morris,, Jan Alexander

Journal of Sedimentary Research (SEPM)

... of the obstacle. Internal flow vectors observed with thread flags were radial from the lock before the head reached the obstacle. After the head passed...


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