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The AAPG/Datapages Combined Publications Database

Showing 59,878 Results. Searched 188,614 documents.

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Shear Velocity Prediction and its Rock Mechanic Implications, #41296 (2014)

Yexin Liu, Zhuoheng Chen, Kezhen Hu

Search and Discovery.com

... velocity and density can be inverted using current advanced pre-stack seismic inversion technique from seismic AVO angle gathers (Russell et al. 2005). Like...

2014

Pre-Stack Imaging: Time or Depth? (Paper 25)

Carl Notfors, Peter Whiting, Geoff Mansfield

Geological Society of Malaysia (GSM)

... depth migration is only a moderate improvement over that. The velocity model for pre-stack depth migration was generated using reflection tomography...

2000

An Overview of Ray Trace Modeling with an Example from the Wichita Mountain Front in Southern Oklahoma

Jan Dodson, Roger A. Young, Kevin Smart

Oklahoma City Geological Society

... Oklahoma was used. The ray trace model was designed to replicate post-stack seismic data. VELOCITY-DEPTH MODEL Three intermediate steps were necessary...

2001

How to Make Velocity Corrections

John W. Daly

AAPG Bulletin

... always yields straight-line trajectories. The angle of dip is computed by the formulas shown in the figure, using the surface velocity. Probably...

1944

Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study

Andreas Waluyo

Indonesian Petroleum Association

... calculated were depth variant. These functions were then extrapolated to the entire seismic line relative to the water bottom depth. The isotropic model...

2014

Application of Seismic Surveying to Direct Exploration for Oil and Gas

A. M. Ivanchuk, L. F. Tarkhova

Petroleum Geology: A Digest of Russian Literature

...-bearing strata on attenuation and velocity of seismic waves. Field studies have shown that the decrease in velocity of propagation at pools reaches...

1974

Reservoir Modeling in the Bunyu Tapa Gas Field — an Integrated Study

Ramatias Ramli, Susanto Budi Nugroho, John Bradfield, Steve Hansen

Indonesian Petroleum Association

... Correlation of BSU - 1. Velocity/Depth Mapping The stacking velocities were employed in the Velocity Mapping Module to produce a depth structure map...

1993

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I … Algorithm

Jianhua Pan

Search and Discovery.com

... to convert rms velocity to interval velocity by using Dix’s equation. Time migration can be viewed as a valid imaging process but its imaging...

Unknown

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I … Algorithm

Jianhua Pan

Search and Discovery.com

... to convert rms velocity to interval velocity by using Dix’s equation. Time migration can be viewed as a valid imaging process but its imaging...

Unknown

Abstract: The Barque Structure Offshore New Zealand: Improving the Seismic Image Using Prestack Depth Migration; #90187 (2014)

Jim Montalbetti, Jeff Beckett, and Graham Hodgkiss

Search and Discovery.com

...Abstract: The Barque Structure Offshore New Zealand: Improving the Seismic Image Using Prestack Depth Migration; #90187 (2014) Jim Montalbetti, Jeff...

2014

Graphical Method for Calculating Dip and Strike from Continuous Dipmeters

B. Osborne Prescott

Tulsa Geological Society

... and strike using continuous-dip-meter data may be computed by a simple, graphical method. Except for borehole drift, the calculation is a straightforward...

1955

Reservoir Diagenesis and Convective Fluid Flow: Part 1. Concepts and Principles

J. R. Wood, T. A. Hewett

AAPG Special Volumes

... A diagenetic model based on convective fluid flow has been analyzed for typical reservoir conditions. Calculations based on the model suggest...

1984

-- no title --

user

Search and Discovery.com

... data sets. The veracity of the determined geologic interval velocity model is tested using prestack depth migration, and also by ng it as the initial...

Unknown

Porosity Variation Detection using Seismic Velocity in Unconventional Shale Reservoirs: Antrim, Marcellus and Collingwood Shales, #90116 (2010)

Jerome B. Blaxton

Search and Discovery.com

...Porosity Variation Detection using Seismic Velocity in Unconventional Shale Reservoirs: Antrim, Marcellus and Collingwood Shales, #90116 (2010...

2010

-- no title --

user

Search and Discovery.com

... data sets. The veracity of the determined geologic interval velocity model is tested using prestack depth migration, and also by ng it as the initial...

Unknown

Seismic Line Across the Wind River Thrust Fault, Wyoming

W.L. Basham, W.F. Martin

Rocky Mountain Association of Geologists

... been calculated using the observed dip in time for the seismic reflection and 18,300fdsec velocity of the basement. When the pull-up effect created...

1985

Antidunes as Trochoidal Waves

Bryce M. Hand

Journal of Sedimentary Research (SEPM)

... introduced by this approximation appears to be small. Unit discharge (q) equals the product of depth times velocity. This must be the same for all...

1969

Detailed internal architecture of a fluvial channel sandstone determined from outcrop, cores, and 3-D ground-penetrating radar: Example from the middle Cretaceous Ferron Sandstone, east-central Utah

Rucsandra M. Corbeanu, Kristian Soegaard, Robert B. Szerbiak, John B. Thurmond, George A. McMechan, Deming Wang, Steven Snelgrove, Craig B. Forster, Ari Menitove

AAPG Bulletin

... m and a depth of 12 m. Five architectural elements are identified and described in outcrop and well cores, using a sixfold hierarchy of bounding...

2001

Discovery Functions of Oil and Gas by Depth Zones Throughout U.S. Basins: ABSTRACT

L. A. Rapoport, G. C. Grender

AAPG Bulletin

...Discovery Functions of Oil and Gas by Depth Zones Throughout U.S. Basins: ABSTRACT L. A. Rapoport, G. C. Grender 1983 538 538 67 3. (March...

1983

Imaging Solutions for Geophysical Challenges in South East Asia (Paper A13)

N. El Kady, Z. Mohd Dom, Y. Prasetyo, M. Bayly, G. Nyein, P. Vasilyev, N. Mat Don Ya

Geological Society of Malaysia (GSM)

... velocity (Vp) referenced in space and depth , also other subsurface properties such as Thomsen’s anisotropy parameters, dip magnitude and azimuth, faults...

2012

Abstract: Improving the Statics Solution through De-migration: A Canadian Foothills A-PSDM Case History; #90172 (2014)

Jiwu Lin, Sylvestre Charles, Josef Heim

Search and Discovery.com

... process. The error was only discovered in the middle of the depth imaging phase as the tomography velocity model building iterations were no longer...

2014

Frequency Attenuation: A Fracture Indicator

Ilyas J. Najmuddin

Houston Geological Society Bulletin

...). Therefore the data set used to calculate the frequency spectra is stacked dip orientation azimuth gathers. A qualitative number is derived using...

2001

An Electronic Seismic Dip Plotter

J. A. Westphal

Oklahoma City Geological Society

... the nearest approximation to the actual velocity distribution in the earth and the migrated depth points, when dip is present, would still be as accurate...

1958

Crustal thickness and velocity structure of southern Peninsular Malaysia

Abdul Halim Abdul Latiff, Amin Esmail Khalil

Geological Society of Malaysia (GSM)

... the inverted waveform indicate a gradual velocity increment from Conrad boundary (around 10-12 km depth) to Moho thickness in both cases. The findings...

2018

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