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The AAPG/Datapages Combined Publications Database

Showing 45,394 Results. Searched 195,387 documents.

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Abstract: Near-Surface Volcanic Rocks in the SE Nechako Basin, BC: Results of Interpretation of Seismic Reflection Data using First-Arrival Tomographic Inversion; #90171 (2013)

Nathan Hayward and Andrew J. Calvert

Search and Discovery.com

... the thickness and extent of Eocene Endako Group volcanic rocks near well b-82-C, where rays converge on underlying high-velocity (3900 ms-1) sandstone...

2013

The effects of seismic anisotropy on mining seismology

Andrew King

Petroleum Exploration Society of Australia (PESA)

...) The group velocity is given by dv V (ϕ (θ )) = v (θ ) + ( dθ ) 2 2 2 For locating mining-induced seismic events, it is the group angles...

2019

Diving Deeper to Reveal Hydrocarbon Potential in the Barents Sea

Sören Naumann, Rune Sakariassen, PGS

GEO ExPro Magazine

... TromsFinnmark Fault Complex, giving rise to large lateral velocity changes. On the Finnmark Platform a thick succession of Late Permian Tempelfjorden Group...

2019

Chapter 9: Application of the IER Strategy for Natural Gas Exploration

Ronald C. Surdam, Zun S. Jiao

Montana Geological Society

... by the Institute for Energy Research (IER) concisely defines a seismic interval velocity inversion at the Badger Basin Field in one, two...

1997

Imaging of Subsurface Velocity Structure on Volcanic Area of South East Java: An Application of Passive Seismic Ambient Noise Tomography for Sub-Volcanic Hydrocarbon Exploration

Pongga Wardaya, Erlangga Septama, Vida Irine Rossa, Richie Rahmat Pratama, Rusalida Raguwanti

Indonesian Petroleum Association

... frequency can be estimated from its dispersion curve, which represents the relationship between group velocity and wave’s period. To obtain...

2021

Chapter 8: Evaluation of Anomalous Pressuring and Gas Saturation Using 2-D and 3-D Visualizations of Well Log Information

Zun S. Jiao, Ronald C. Surdam

Montana Geological Society

... and facies calculations were processed separately for each formation group. A raw 3-D velocity model was generated by merging all faces fines...

1997

A Regional Velocity Cube for Depth Conversion on the Northwest Shelf

Maighréad Ní Dheasúna, Mark Ballesteros, James Leven

Petroleum Exploration Society of Australia (PESA)

...A Regional Velocity Cube for Depth Conversion on the Northwest Shelf Maighréad Ní Dheasúna, Mark Ballesteros, James Leven seismic technology...

2012

Seismic Foldout: The Most Advanced Datasets Offshore Barbados and T&T

Jeniffer Masi, Jeroen Hoogeveen, Nick Tanushev, John Walker, Alexander Mihai Popovici, Geoex MCG, Z-Terra

GEO ExPro Magazine

... structure should place it at the same point in the subsurface and any discrepancies are due to errors in the velocity. For each group, we first align...

2022

Seismograph Interpretation as Related to Changes in Sedimentary Section in West Texas and New Mexico

John Daly , C. N. Page

AAPG Bulletin

... velocities. Within a time-stratigraphic unit this may vary by as much as 300 per cent. Parts of regional velocity maps which illustrate this fact are shown...

1952

Velocity as a Problem in Mississippi

R. R. Phillips

GCAGS Transactions

... to improve our methods. There are three schools of thought among seismologists concerning the need of velocity data in Mississippi. The first group...

1951

Petrophysical Properties of a Deformation Band Fault Zones in the Entrada Sandstone, Utah; #50861 (2013)

Kyle Fredericks, Laurel Goodwin, and Harold Tobin

Search and Discovery.com

... the directionally dependent ultrasonic compressional and shear wave velocity of deformation bands and host rock at the core sample and meter scales. The meter...

2013

Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)

Roohollah Askari, Robert J. Ferguson, and Helen Isaac

Search and Discovery.com

... velocity model for static corrections with high lateral resolution. To this end, we have enlarged upon the idea of CMP Cross-Correlation of Surface...

2014

Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf: Discussion

Peter Japsen

AAPG Bulletin

...Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf: Discussion Peter Japsen 2006 1141 1143 90 7 Chapman, R. E., 1983...

2006

Regional Velocity-Depth Anomalies, North Sea Chalk: A Record of Overpressure and Neogene Uplift and Erosion

Peter Japsen

AAPG Bulletin

... A normal velocity-depth trend for the Upper Cretaceous-Danian Chalk Group is determined by identifying interval-velocity data that represent maximum...

1998

Abstract: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)

Francois Audebert and Volker Dirks

Search and Discovery.com

..., Vp0, ε and δ), the group angle and the group velocity. The group angle defines the direction of the normal ray, which reaches the surface at some...

2015

Depth Migration of Seismic Data: ABSTRACT

John Sherwood, Philip Schultz, Jin Lin, David Judson

AAPG Bulletin

... of seismic data results in the incorrect positioning of reflectors where there are significant lateral variations in the velocity of the overburden...

1979

Mapping Seismic Reflectors in Southern New York: Compensation for Velocity Anomalies in Glacial Overburden: ABSTRACT

Katherine J. Beinkafner

AAPG Bulletin

...Mapping Seismic Reflectors in Southern New York: Compensation for Velocity Anomalies in Glacial Overburden: ABSTRACT Katherine J. Beinkafner 1984...

1984

ABSTRACT: Thin Bed of Tuffaceos Sandstone Reservoir Can be Recognized from High Velocity Zone in The Manantiales Behr Field, San Jorge Basin, Argentina; #90017 (2003)

Yudistira Effendi, Oscar Antonio Olima, Eduardo Smith

Search and Discovery.com

...ABSTRACT: Thin Bed of Tuffaceos Sandstone Reservoir Can be Recognized from High Velocity Zone in The Manantiales Behr Field, San Jorge Basin...

2003

The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... in interval velocity with depth, the DMO operator used is based either on a time-invariant or time-variant DMO algorithm. To some extent the velocity...

1987

Some Relations Among Sedimentation, Stratigraphy, and Seismic Exploration

W. C. Krumbein

AAPG Bulletin

... of seismic velocity data of great importance to stratigraphy and sedimentation. Geologists as a group have perhaps not used these data as fully...

1951

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