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The AAPG/Datapages Combined Publications Database

Showing 34,502 Results. Searched 200,619 documents.

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Bay Marchand--Timbalier Bay--Caillou Island Salt Complex, Louisiana

M. G. Frey , W. H. Grimes

AAPG Special Volumes

... monoclinal with south dip that gradually increases at depth. The south dip ranges from 30 ft/mi in shallow beds to approximately 300 ft/mi...

1970

Application of Wide-Azimuth 3-D Seismic Attributes to Predict the Microfractures in Block MA Area for Shale Gas Exploration in South China

Yusheng Zhang, Gang Yu, Xing Liang, Li Jiang

Unconventional Resources Technology Conference (URTEC)

... the shale gas enrichment degree and hydro-fracturing effect of the shale gas reservoir, the development degree of shale gas reservoir fractures...

2015

Basement-involved Contractional Wedge Structural Styles: Examples from the Hanna Basin, Wyoming

Van S. Mount, Kevin W. Martindale, Thomas W. Griffith, John O. D. Byrd

AAPG Special Volumes

...; vertical scale is equal to horizontal scale. Velocities used in depth conversion were based on well data and seismic stacking velocities. (c...

2011

Sedimentology and Paleontology of Eocene Rocks in the Sespe Creek Area, Ventura County, California; Frontmatter and Roadlogs

A. Eugene Fritsche, Michael S. Clark

Pacific Section SEPM

... to the north of the valley are dip slopes on south-dipping beds at the top of the Circle B sandstone, and hills to the south of the valley are dip...

1994

Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

... raypaths make binning and stacking these data particularly inapt. Kirchhoff migration, using the adjoint operator, aims to solve the migration problem...

2015

Deep learning approach to inverting flexural wave dispersion

Hengjian Zhang, Zhifen Sun, Xianzhi Li, Xiaofang Sun, Chu Wang, Ya Jin, Xiaofei Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the inversion effects, as shown in Figure 8. At the depth of 2316 m, where QC is higher, the quality of dispersion data is excellent, and the fitting effect...

2024

Shortening Values in the Southern Fars Arch of the Zagros: Assessing Uncertainties by Structural and Gravity Sensitivity Analysis, #51668 (2020).

Ralph Hinsch, Martin Vogele, Gholamreza Gharabeigli, Abbas Majidi, Tam Lovet, Ali Asghar Julapour, Gabor Tari, Walter Kosi

Search and Discovery.com

... (Fig. G1 and G4) in combination with velocity uncertainties may result in relative depth uncertainties to top basement of up to 4000 m (Fig. G2). SW -20...

2020

The Mechanics of Secondary Hydrocarbon Migration and Entrapment

Tim T. Schowalter

Earth Science Bulletin (WGA)

... increases the slope of the pressure-depth plot; conversely, up dip flow decreases the slope (Figure 7 –right side). Figure 7. Effect of hydrodynamics...

1976

ABSTRACT: Terrestrial Lidar Scanner Data Quality: Considerations for Collection and Analysis; #90106 (2010)

Jedediah D. Frechette, Timothy F. Wawrzyniec

Search and Discovery.com

... with TLS. Errors associated with TLS measurements can be divided into four general groups: Instrumental, Georeferencing, Object, and Environmental...

2010

The Carrack-Caravel Prospect Complex: A Possible Sleeping Giant in the Deep Water Canterbury Basin, New Zealand

W. G. Mogg, K. Aurisch, R. O'Leary, G. P. Pass

Petroleum Exploration Society of Australia (PESA)

... model used for depth conversion. IVA can account for distortions in the stacking velocity field caused by strong lateral changes in the overburden...

2008

Structural Control of Sedimentation Patterns and the Distribution of Uranium Deposits in the Westwater Canyon Member of the Morrison Formation, Northwestern New Mexico--A Subsurface Study

Allan R. Kirk, Steven M. Condon

AAPG Special Volumes

... of the basin, and produced the major folds, faults, and regional dip on the Chaco slope (Figure 2; Plate A). Timing of the Laramide deformational events may...

1986

Wave-Formed Sedimentary Structures„A Conceptual Model

H. Edward Clifton

Special Publications of SEPM

... and relates directly to wave and water depth combinations Moreover the velocity parameters probably provide an adequate approx imation for a conceptual model...

1987

Envelope full-waveform inversion of marine seismic data

Kai Xiong, David Lumley, Wei Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity (Vp) with 2D acoustic FWI and IEI. Figure 3a shows the initial velocity model obtained from migration velocity analysis (MVA). The shot position...

2022

Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2

B. A. Hardage

AAPG Special Volumes

... to determine depth and dip of the Paleozoic surface at drill hole U10bd, Nevada test site, Nevada: U.S. Geological Survey Open-File Report 80-847...

1985

Investigation of Possible Shallow Gas Accumulations Associated with Pockmarks on the Otago Slope Southeast of New Zealand

Jasper Hoffmann, Andrew Gorman, Gareth Crutchley

Petroleum Exploration Society of Australia (PESA)

... data shows patches of reduced velocity increase with depth near bright spots. The increase of velocity with depth around the bright spots...

2018

A Revaluation of the Geologic Phenomenon of Sand Flotation: A Field and Experimental Approach

James P. M. Syvitski, David A. van Everdingen

Journal of Sedimentary Research (SEPM)

... of time was noted. Effect of Flow Velocity Naturally clean and therefore unwashed river sand was placed as a single layer of grains near one end...

1981

Physical properties of Cenozoic mudstones from the northern North Sea: Impact of clay mineralogy on compaction trends

Oyvind Marcussen, Brit I. Thyberg, Christer Peltonen, Jens Jahren, Knut Bjorlykke, Jan Inge Faleide

AAPG Bulletin

.... Payton, ed., Seismic stratigraphyApplications to hydrocarbon exploration: AAPG Memoir 26, p. 117133.Moe, P., 2006, Velocity-depth trends. A comparison...

2009

Development and Application of Sedimentary Rules in Stratigraphic Prediction of Deepwater Reservoir Presence and Architecture, #40995 (2012)

Michael H. Gardner

Search and Discovery.com

... to fluid properties in multipartite turbidity currents dependent on the down-flow gradient, the effect of turbidite event magnitude on the cross-flow...

2012

Abstracts of Theses: Seismic Crustal Studies in Eastern Canada, the Gulf of St. Lawrence Region

Gerald N. Ewing

CSPG Bulletin

... was found to lie at a depth of approximately 45 km. in the area south of the Cabot Strait End_Page 211------------------------ trough; the associated...

1967

Magnetic and Torsion-Balance Survey of Munich Tertiary Basin, Bavaria

Donald C. Barton

AAPG Bulletin

... the depth of the center of gravity of the deficiency of the root. The isostatic effect of the Alps at a maximum could produce only a third of the observed...

1934

Lateral variability of shelf-edge and basin-floor deposits, Santos Basin, offshore Brazil

Michael J. Steventon, Christopher A-L. Jackson, David M. Hodgson, Howard D. Johnson

Journal of Sedimentary Research (SEPM)

..., parallel to depositional strike and dip, respectively) post-stack time-migrated 3D seismic-reflection dataset to investigate along-strike variations in shelf...

2020

An Automated Grain-shape Classifier

William H. Glezen, John C. Ludwick

Journal of Sedimentary Research (SEPM)

..., the geometric characteristic that exerts the greatest effect on descent velocity in the classifier, is not reflected in the Wadell projection parameters; i.e....

1963

The Geology of the Challis Oilfield - Timor Sea, Australia

G. B. Wormald

Petroleum Exploration Society of Australia (PESA)

...). Depth estimates to the Base Cretaceous were calculated using average velocities. Both seismically derived RMS velocities and well velocity data...

1988

VSP Guided Reprocessing and Inversion of Surface Seismic Data

R. Gir, Dominique Pajot, Serge Des Ligneris

Southeast Asia Petroleum Exploration Society (SEAPEX)

... zero time to different daturns between the surface and downhole seismic, by unaccounted system timing delays, systematic errors in first break picks...

1988

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