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The AAPG/Datapages Combined Publications Database
Showing 34,455 Results. Searched 200,293 documents.
Australian Insights into Streamer Technology Innovations
Andrew Long
Petroleum Exploration Society of Australia (PESA)
..., - 20 -10 40 ;/~1\ v a m Depth - - 15m Depth Frequency (Hz) 60 80 100 I ~~ \I / I \ \V \ I 120 ....... 20 40 Particle Velocity...
2009
Wide-Angle Seismic-Reflection and -Refraction Data from the Solomon Islands
A. K. Cooper, R. A. Wood
Circum Pacific Council Publications
... cities, the refractors are weak and often wavy, which indicates either lateral or vertical velocity gradients, or geologic structure at great depth. Where...
1986
Kurau: An Example of the Low-Relief Structural Play in the Malacca Strait Psc, Sumatra, Indonesia.
Sunu H. Praptono, Rovicky Dwiputro, Ian M. Longley, Richard W. Ward
Indonesian Petroleum Association
... does not. An examination of the time-depth curves at AC-4 shows that the slightly faster average velocity to the top Lower Sihapas Formation...
1991
Modified Residual Migration
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
...: Removing the restrictions on depth-varying velocity: Geophysics, 53, 881–893. Black, J., and Brzostowski, M., 1990, High-dip time migration: 60th Ann...
1992
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
Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana
Susan E. Nissen , Janet M. Combes , Anthony G. Nekut
Journal of Sedimentary Research (SEPM)
... arrivals on this shot record allowed the recording delay time, source and receiver depths, water depth, and water velocity to be estimated. TABLE 1. Seismic...
1999
Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013)
Darren Hinks, Tom Cox, Stephanie Schmidt, Dale Vanhooren, and Sergei Filin
Search and Discovery.com
...Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013) Darren Hinks, Tom Cox, Stephanie...
2013
Structural Uncertainty Study: An Example From Sisi Nubi Fields
Rangga A. Brahmantio, Cepi M. Adam, Arnaud Laffaure, Emmanuel Chavanne, Noor Syarifuddin
Indonesian Petroleum Association
... / errors between the predicted (from depth conversion) and the actual depth, regardless of velocity model uncertainty. Therefore, given the predicted...
2008
The Preparation of Seismic Depth Maps in Oil Exploration
A. E. Pallister
CSPG Bulletin
... geologic and seismic velocity control are now available in Western Canada to warrant the preparation of depth maps from seismic reflection results. The need...
1960
EXTENDED ABSTRACT: From Isotropic to Tilted Transverse Isotropic Pre-Stack Depth Migration
Nicolas Chazalnoel
GCAGS Transactions
... yields a velocity field more geological and can provide correct position of steep dip, delineate accurate salt model which result in clearer, less...
2011
Abstract: How to Improve Location Accuracy When Dealing with Artifacts in Microseismic Event Locations; #90187 (2014)
N. Verkhovtseva
Search and Discovery.com
...; a stacking effect when events form almost a perfect line at a high contrast velocity border; and a sloping effect when events form obvious trends...
2014
How to Improve the Definition of Seismic Reflection Data
D. Michon, R. Garotta
Indonesian Petroleum Association
... to record. This effect depends on the apparent horizontal velocity of the signal. In fact, reflections even horizontal ones, appear slanted due...
1979
Seismic Migration: Part 7. Geophysical Methods
Ken Larner, David Hale
AAPG Special Volumes
... that is homogeneous (constant P-wave velocity) with the exception of an isolated boulder at some depth. Also shown are the straight ray paths traveled...
1992
Results of Elastic-Wave Surveys in California and Elsewhere
Frank Rieber
AAPG Bulletin
... errors in a few readings may make a large error in the determination of the break-point; therefore, in the computed depth. Numbers indicate velocity...
1930
Reduction of Gross Rock Volume Uncertainty in a Salt Flank Structure Using Dipmeter and Image Log Data
Carmen Garcia-Carballido, Aadam Styles, Michael Poppelreiter
AAPG Special Volumes
... an impact on velocity modeling and depth conversion. For this reason, hydrocarbon-in-place uncertainty in such fields can be large. Three components...
2010
Seismic Characterization of the Navajo Reservoir, Buzzards Bench, Utah; #51503 (2018)
Kimberley Haar, Robert Balch, Robert Will
Search and Discovery.com
..., H. Leetaru, R. Will, and M. Coueslan, 2014, The Evolution and Effect of the Velocity Model on Various Aspects of Surfaces Seismic Data Analysis...
2018
Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland
Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh
Petroleum Exploration Society of Australia (PESA)
... imaging challenge is the effect of high velocity, laterally variable Late Cretaceous chalk. The transition from this carbonate to underlying clastic...
2016
S/N RATIO AND BANDWIDTH CONSIDERATIONS WHEN UTILIZING SEISMIC DATA IN EXPLORING FOR SUBTLE TRAPS - EXAMPLES FROM THE KNOX PLAY
Edward R. Tegland, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO Patrick H. Bygott, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO
Ohio Geological Society
... Hale,D., 1984, Dip Moveout by Fourier Transform (Stacking NMO): Geophysics, v. 49, p. 741-757. Sheriff, R. E., 1968...
1999
Seismic Velocity Variations in San Joaquin Valley, California
Walter S. Olson
AAPG Bulletin
... of the horizontal or geographic gradient of velocity. Knowledge of the possible effect has of course been common for a long time. Westby (FOOTNOTE 3...
1941
Pitfalls in Seismic Interpretation
Paul M. Tucker, Howard J. Yorston
Pacific Section of AAPG
... broader with depth and varying in relief to some maximum value. These changes are both due to the velocity effect shown on Model 8A. The third check...
1972
Observations of Azimuthal Anisotropy in Prestack Seismic Data, #41572 (2015).
David Gray
Search and Discovery.com
... the effect of applying the azimuthal velocity correction before stacking the data. The resulting stack shows a significant improvement in signal...
2015
Abstract: Uncertainty in Surface Microseismic Monitoring; #90187 (2014)
Michael Thornton, Mike Mueller, and Leo Eisner
Search and Discovery.com
... to estimate the timing and location of optimal energy focus and hence the event position. Uncertainty Leaving aside uncertainty in the assumed velocity model...
2014
Petroleum Geologist and Exploration Geophysicist: Co-Ordination and Seismic Velocity
John D. Hale
CSPG Bulletin
... various depth levels that are represented by an appreciable contrasting change in the velocity of the elastic waves between two layers of rock...
1956
Abstract: The Approximate use of 1D Internal Multiple Prediction in a Multidimensional World: Errors and Recommendations; #90224 (2015)
Pan Pan and Kris Innanen
Search and Discovery.com
..., and in principle require the use of 1.5D, 2D and/or 3D versions. But in practice errors from dip and offset accrue gradually. To maximize the usefulness...
2015
Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat
Indonesian Petroleum Association
... rather than velocity estimation, meaning systematic velocity errors might already exist. Various mechanisms such as reflection, transmission...
2022