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The AAPG/Datapages Combined Publications Database

Showing 1,264 Results. Searched 200,691 documents.

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3D Geostatistical Interpolation and Geological Interpretation of Paleo…Groundwater Rise in the Holocene Coastal Prism in the Netherlands

Kim M. Cohen

Special Publications of SEPM

... are recorded in the coastal prism. Quantitative reconstruction of paleo–groundwater surfaces allows identification of these paleo-equivalents regionally...

2005

Modeling Methane-hydrate Formation in Marine Sediments

Lili Zheng, Hui Zhang, Mingyu Zhang, Prasad Kerkar, Devinder Mahajan

AAPG Special Volumes

.... The macroscopic model will provide system-level information, whereas the mesoscopic model provides details of reaction within hydrates or sediment surfaces...

2009

Renewed Field Development Plan from Recently Found Uncertainty in Sungai Gelam Field, South Sumatra Basin, Jambi

Reza Rahadian, Erwin Dicky Dusyanto, Adi Widyantoro, Oki Musakti, Hendra Baskara

Indonesian Petroleum Association

... with trend, the trend is built from the checkhot velocities using vertical mean and smoothing workflow, variogram similar to the second model. The fourth...

2019

A New Parallel Fold Construction Method from Borehole Dip for Structural Delineation; #41969 (2016)

Tetsushi Yamada, Isabelle Le Nir, Eric Moscardi, Arnaud Etchecopar

Search and Discovery.com

...-dimensional surfaces. Case studies demonstrate that the new technique to reconstruct parallel folds greatly improves the accuracy of the reservoir...

2016

Size Frequency Distributions of Sediments

W. C. Krumbein

Journal of Sedimentary Research (SEPM)

... points as necessary be determined along the cumulative curve, to reduce errors of smoothing to a minimum. CUMULATIVE CURVES AND FREQUENCY CURVES It has...

1934

Marker Event Identification Technique and Correlation of Cenozoic Biozones on the Labrador Shelf and Grand Banks

Marc A. D'Iorio, Frederik P. Agterberg

CSPG Bulletin

....) 1986. Geophysical maps and geological sections of the Labrador Sea. Geological Survey of Canada, Paper 85-16, 11p. Wahba, G. 1975. Smoothing noisy...

1989

Holocene Carbonate Sedimentation and Diagenesis, Ambergris Cay, Belize

William J. Ebanks Jr.

AAPG Special Volumes

... seas of the past. The purpose of this investigation was to recognize and describe those attributes of island sediments that distinguish them from...

1975

Unlocking subsurface complexity: Sparse ocean-bottom node and full-waveform inversion for northern Green Canyon, Gulf of Mexico

Kate Glaccum, Denes Vigh, Yao Yu, Eray Kocel, Bing Bai, Di Chen, Hongyan Li, Kevin Lyons

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the necessity of timesavvy, coarse interpretation grids, or the overall difficulty in representing rugose 3D structures with multiple pairs of surfaces...

2022

Geological and Geomechanical Modeling of the Haynesville Shale: A Full Loop for Unconventional Fractured Reservoirs

W. Sebastian Bayer, Marcus Wunderle, Ewerton Araujo, Rene Alcalde, Calvin Yao, Fred Suhy, Thomas Jo, Fleur Bases, Abu M. Sani, Abhishek Bansal, Eric Peterson, Rohan Goudge, Ankur Awasthi, Mukul Bhatia

Unconventional Resources Technology Conference (URTEC)

... above is a horizontal well as compared to unit stratigraphy. Colors of the picked tops match the colors of the surfaces. The brown surface...

2016

Fluvial Deposits of the Ecca and Beaufort Groups in the Eastern Karoo Basin, Southern Africa

David K. Hobday

Dallas Geological Society

... at the top. Others show no vertical changes in texture or internal geometry, with scour surfaces and lenses of small-pebble intraformational conglomerate...

1977

Fluvial Deposits of the Ecca and Beaufort Groups in the Eastern Karoo Basin, Southern Africa

David K. Hobday

CSPG Special Publications

... at the top. Others show no vertical changes in texture or internal geometry, with scour surfaces and lenses of small-pebble intraformational conglomerate...

1977

3-D View of Erosional Scars on U.S. Mid-Atlantic Continental Margin

John A. Farre , , William B. F. Ryan

AAPG Bulletin

... and smoothing of the azimuth data were necessary. Tracklines were then adjusted to ensure agreement on side-scan images at track intersections. From...

1985

Microstructural investigation of gas shales in two and three dimensions using nanometer-scale resolution imaging

Mark E. Curtis, Carl H. Sondergeld, Raymond J. Ambrose, Chandra S. Rai

AAPG Bulletin

... shale surfaces show a complex microstructure with variations observed among the formations. Energy dispersive spectroscopy of the shale cross sections...

2012

Variation in brachiopod preservation along a carbonate shelf-basin transect (Red Sea and Gulf of Aden): Environmental sensitivity of taphofacies

Adam Tomašových, Martin Zuschin

PALAIOS

... with generalized additive models, using thin-plate splines in two dimensions and selecting the degree of smoothing by generalized crossvalidation (ordisurf...

2009

Interpreting the Stratigraphy of the Baltimore Canyon Section, Offshore New Jersey With Phil, a Stratigraphic Simulator

Scott A. Bowman, Peter R. Vail

Special Publications of SEPM

... Demarest and Kraft 1987 stratigraphic during a relative form in documented stratal surfaces form gravity flow sedimentation for The results...

1999

The Mississippi and Mekong Deltas — A Comparison

Charles R. Kolb, William K. Dornbusch

Houston Geological Society

... the Tonle Sap, has no counterpart in the Mississippi system. The effect of this sump on flood relief, on smoothing stage differences in the river downstream...

1975

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... in the GGRB. The significant influence of lithology on P-wave velocity response suggests we may apply seismic velocities and related attributes...

2008

Factors Controlling Sediment Preservation on a North Jamaican Fringing Reef: A Process-Based Approach to Microfacies Analysis

Christopher T. Perry

Journal of Sedimentary Research (SEPM)

... and Constructive Micrite Envelopes Definition: micrite accretion on grain surfaces, and filling of skeletal cavities by sediment and micrite, associated...

2000

Mathematical Derivation of the Unique Frequency Curve

G. R. Brotherhood, J. C. Griffiths

Journal of Sedimentary Research (SEPM)

... will be found to facilitate the work. LIMITATIONS OF THE METHOD Inaccuracies in the method due to smoothing of the cumulative curve have been...

1947

Architecture of Miocene Overbank Deposits in Northern Pakistan: DISCUSSION

John S. Bridge

Journal of Sedimentary Research (SEPM)

... paleotopographic lows (thus smoothing out relied rather than forming paleotopographic features (i.e., creating relief). To illustrate this point I have...

1995

Spectral Analysis of the Middle Triassic Latemar Limestone

Linda A. Hinnov, Robert K. Goldhammer

Journal of Sedimentary Research (SEPM)

... of Hipel et al. (1977) indicate that the distribution of the data is significantly nonnormal. These attributes can be suppressed by applying a Box-Cox...

1991

The Importance of Sea-Level Fluctuations in the Formation of Linear Conglomerate Bodies; Carrot Creek Member of Cardium Formation, Cretaceous Western Interior Seaway, Alberta, Canada

Katherine M. Bergman, Roger G. Walker

Journal of Sedimentary Research (SEPM)

... transported gravel stringers into the transgressive muds accumulating in the hollows. Other erosional surfaces of this type exist in Alberta...

1987

The Environmental Significance of Conglomerates

W. H. Twenhofel

Journal of Sedimentary Research (SEPM)

.... Most gravels have frosted or mat surfaces. Rounding of gravels has been studied by many students, among whom are Barrell, Cailleux, Gregory. Krumbein...

1947

Nanoparticle-Encapsulated Acids for Stimulation of Calcite-Rich Shales

Robin Singh, Songyang Tong, Krishna Panthi, Kishore Mohanty

Unconventional Resources Technology Conference (URTEC)

... profilometer reveals the average surface roughness of 7.25 ± 1.52 µm. No artificial smoothing of the surfaces was performed in this study. Although the acid...

2018

Lateral Changes in Seismic Velocities and Their Effect on Depth Prediction

J. Pinchin, M. Bayly

Petroleum Exploration Society of Australia (PESA)

... velocity analysis along the seismic lines followed by statistical smoothing of the large number of velocity determinations to reduce errors...

1989

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