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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 27,259 Results. Searched 190,142 documents.

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Success Factors for Effective Subsurface Imaging of Overthrust Belt Legacy Seismic Data

Walt Ritchie and Mihai Popovici

Search and Discovery.com

... • Complex geology • Variable salt layer in overburden • Presence of rapid lateral velocity variations. Copyright © AAPG. Serial rights given by author...

2009

Velocity and Velocity

M. Al-Chalabi

Petroleum Exploration Society of Australia (PESA)

...Velocity and Velocity M. Al-Chalabi Velocity and 'Velocity' M. AI-Chalabi 1 Abstract Acquired seismic data contain the velocity distribution...

2000

The Barque Structure Offshore New Zealand: Improving the Seismic Image Using Prestack Depth Migration; #41516 (2015)

Jim Montalbetti, Jeff Beckett, Graham Hodgkiss

Search and Discovery.com

... surface interval velocity field in areas of the variable seafloor depth. 3. Perform prestack depth migration using this initial geomechanical update...

2015

Fluorescent Tracer Study of Eolian Sand Transport: ABSTRACT

James C. Ingle, Jr.

AAPG Bulletin

... in response to variable wind "streamlines" over the dune. At 2.5 hrs. after tracer release a lag deposit of very coarse fluorescent grains remained...

1965

Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)

Emil Blias

Search and Discovery.com

...Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015) Emil Blias Datapages/Search and Discovery Article #90211 CSPG© 2015 CSPG...

2015

Refraction Profiles Over the Southern Rocky Mountain Trench Area of British Columbia

A. T. Lamb, D. W. Smith

CSPG Bulletin

... the Trench using all broadside and inline refraction data. A variable velocity tilt was used to account for the velocity variations in the overlying...

1962

Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12

E. W. Peikert

AAPG Special Volumes

... will be restricted to this particular acoustic variable. Examination of data for individual wells as in Figure 6 is a good starting point for velocity/lithology...

1985

Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)

Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan

Search and Discovery.com

... geophysicists. For clarity, we present the central theoretical result behind FWI as a mathematical theorem stating that a linear update to a migration velocity...

2015

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

... the conventional CCSW (Hayashi and Suzuki, 2004) and more robust in the presence of variable source wavelet and noise. The S velocity model obtained from...

2014

ABSTRACT: Wave Equation Prestack Depth Migration for Deep Gulf Coast Prospecting

Morgan Brown, Joe Higginbotham, Cosmin Macesanu

GCAGS Transactions

...., Ste. 156, Houston, Texas 77079 ABSTRACT The shallow section in the Gulf Coast normally exhibits a simple, depth-variable velocity profile, which...

2009

ABSTRACT: Design Analysis of the Raymer…Hunt-Gardner Algorithm and Modification for Shaly Sands; #90118 (2011)

Hari Kumar

Search and Discovery.com

.... As such the prevailing practice is to create regression algorithms that correlate acoustic velocity to porosity. Present work presents a modification...

2011

EXTENDED ABSTRACT: Applications of Wave Imaging Technologies to Improve Deep Gulf Prospecting

Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez

GCAGS Transactions

... section in the Gulf Coast normally exhibits a simple, depth-variable velocity profile, and prestack time migration (PSTM) methods generally produce...

2010

Chart Migrations

Frank A. Roberts

Oklahoma City Geological Society

.... These curves were constructed by plotting values of t/x against variable values of velocity. The sine and cosine values were added for convenience...

1958

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

... velocity data from cores to the sonic logging scale. In situ high frequency velocity studies of variable facies within the Slickrock Member...

2013

New Geophysical Techniques Improve Geological Interpretation: ABSTRACT

Gerald H. Westby

AAPG Bulletin

.... Seismic magnetic recording and replay, variable-density and variable-area recording cameras permit presentation of seismic data in a form which simulates...

1958

ABSTRACT: Reflection Tomography for Validation of Subtle Structures: A Case History from Southern Tunisia; #90051 (2006)

Harald Granser, Oezsen Refik

Search and Discovery.com

... static problems due to sanddunes at surface with low velocities but also by uncertainties in depth-conversion because of velocity variations...

Unknown

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