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The AAPG/Datapages Combined Publications Database

Showing 29,406 Results. Searched 200,293 documents.

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The Impact of Multi-Azimuth Seismic Over Tidepole

D. Dickinson, S. Gagen

Petroleum Exploration Society of Australia (PESA)

... variable fast velocity direction. Figure 4: Fast – Slow velocities model 5 anisotropic layer 3 (carbonates). The arrows vectors indicate a highly...

2013

Integration of Vertical Seismic, Surface Seismic, and Well-log Data at the Mallik 2L-38 Gas-hydrate Research Well, Mackenzie Delta, Canada

M. W. Lee, T. S. Collett, W. F. Agena

AAPG Special Volumes

... 600900 m (19682953 ft) are about 20% slower than the sonic-log-derived velocity, implying seismic anisotropy. The spectral ratio of downgoing waves...

2009

Hydraulic Sorting of Heavy-Mineral Grains by Swash on a Medium-Sand Beach

Michael G. Hughes, Jock B. Keene, Rebecca G. Joseph

Journal of Sedimentary Research (SEPM)

.... The mineralogy of the samples was determined, and measurements of grain size and settling velocity were obtained. The heavy-mineral grains had both a smaller...

2000

Using anisotropic rock physics to model VTI parameters

Marco A. Perez

International Meeting for Applied Geoscience and Energy (IMAGE)

... the dependence of velocity on the propagation direction. Thomsen (1986) describes the seismic significance of vertical transverse isotropy (VTI) often...

2023

Application of Fullwaveform Tomography to VSP Walkaway Data

Eric Takam Takougang, Youcef Bouzidi

Petroleum Exploration Society of Australia (PESA)

... that can provide high resolution velocity, attenuation, and density images of the subsurface, based on the seismic waveform. The algorithm is based...

2016

Adaptive regularization parameter estimation in image domain least-squares migration

Shen Sheng, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... on forward/migration operator, acquisition geometry, migration velocity, and source signature. Due to the accuracy of these factors...

2024

Quantitative Petrophysical AVO Error Analysis in a Layered Model

Search and Discovery.com

... of the effects of free-surface reflections and mode conversions, calibration without the S-wave velocity information, etc. could affect the AVO...

2013

Seismic Data Acquisition and Processing in the Midway-Sunset Oil Field

C. R. Willingham, A. S. Wylie Jr., D. J. Underwood

Pacific Section of AAPG

... of the final processing results for these data. Velocity Determination Both down-hole and seismic velocity data were used in constructing a velocity model...

2001

A seismic and petrophysics-guided approach to subsurface characterization of the NW Limerick Syncline in the Irish Zn-Pb Orefield

Victoria Susin, Aline Melo, Koen Torremans, Murray Hitzman, Mark Holdstock

International Meeting for Applied Geoscience and Energy (IMAGE)

... identified across seismic lines. Recognition of coherent changes in downhole and on-core density and velocity data has allowed more confident mapping...

2024

Section VI: Conditions of Turbidite Flow

New Orleans Geological Society

... current flow may have properties unpredictable by derivation of equations based on laboratory studies alone. One such factor is flow velocity which has...

1975

Overpressured Carbonate Reservoirs, Offshore Sarawak; Methods of Pore Pressure Prediction (Paper B11)

P. Baltensperger, W. Zanussi, S. Bordoloi, S. Nath

Geological Society of Malaysia (GSM)

... region and are predominantly shale prone in the distal region resulting in Methods and Results a highly variable depth profile for the onset...

2012

Conditions of Turbidite Flow: Chapter VI: Part One. Study of Modern and Ancient Turbidites

Oscar E. Weser

AAPG Special Volumes

... current flow may have properties unpredictable by derivation of equations based on laboratory studies alone. One such factor is flow velocity which has...

1977

Abstract: Imaging Scattered Seismic Energy in Alberta Oil Sands; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

.... Introduce the change of variable τ = t - tm , where tm(x,xs,xr) is a reference time. In the case of time migration, tm is taken to be the two way travel time...

2014

More on Drag and Settling

Gerard Middleton, John B. Southard

Special Publications of SEPM

... velocity, but in other situations (for example, a sphere resting on a bed of spheres, with flow parallel to the bed) it is much more difficult...

1984

Bed Forms and Stratification Types of Modern Gravel Meander Lobes, Nueces River, Texas: Abstract

Thomas C. Gustavson

Dallas Geological Society

... and a water surface slope of 1.8 m/km in the study area. Stream discharge is variable and has ranged from no flow to more than 17,000 m3/s. Mean clast b...

1977

Bed Forms and Stratification Types of Modern Gravel Meander Lobes, Nueces River, Texas: Abstract

Thomas C. Gustavson

CSPG Special Publications

... and a water surface slope of 1.8 m/km in the study area. Stream discharge is variable and has ranged from no flow to more than 17,000 m3/s. Mean clast b...

1977

Abstract: Deposition and characterization of pyrolytic carbon in industrial coke ovens by optical microscopy and SEM

R. Barranco, J.W. Patrick, C. Snape, R.M. Poultney, M.A. Diez, C. Barriocanal

The Society for Organic Petrology (TSOP)

... velocity, and the temperature of the brickwork. Extensive carbon deposit removal may cause severe damage to the coke pusher equipment...

2008

Sediment Structures Generated by Flow in Alluvial Channels: ABSTRACT

D. B. Simons, E. V. Richardson, Carl Nordin

AAPG Bulletin

... the effect of a single independent variable on form roughness in a flume or stream. Important interrelated variables include: characteristics of bed...

1964

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