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The AAPG/Datapages Combined Publications Database
Showing 34,490 Results. Searched 200,663 documents.
Sedimentology and Petrophysical Character of Cretaceous Marine Shale Sequences in Foreland BasinsPotential Seismic Response Issues
W. R. Almon, Wm. C. Dawson, F. G. Ethridge, E. Rietsch, S. J. Sutton, B. Castelblanco-Torres
AAPG Special Volumes
....-offset effect of the gather (Figure 16B).FIGURE 16. Input data (A) and results from a simple seismic model of the shale stacking pattern found...
2005
History of Cenozoic Extension in Central Sevier Desert, West-Central Utah, From COCORP Seismic Reflection Data
Douglas B. Von Tish , Richard W. Allmendinger , James W. Sharp
AAPG Bulletin
... data, from the conversion of traveltime to depth from the COCORP data, and from seismic lines published by McDonald (1976). Velocity functions...
1985
Chapter 136: A 2-D, Oblique-dip Outcrop Transect through a Third-order, Progradational, Deep-water Clastic Succession, Urenui–Mount Messenger Formations, New Zealand
Peter R. King, Greg H. Browne, Malcolm J. Arnot, Martin P. Crundwell
AAPG Special Volumes
...Chapter 136: A 2-D, Oblique-dip Outcrop Transect through a Third-order, Progradational, Deep-water Clastic Succession, Urenui–Mount Messenger...
2007
Methods for identification of isolated carbonate buildups from seismic reflection data
Peter M. Burgess, Peter Winefield, Marcello Minzoni, Chris Elders
AAPG Bulletin
.... A is the dip angle of the margin, either measurable from seismic data, assuming a reasonable depth conversion is possible, or just useful for comparison...
2013
Seismic Shear Waves for Discriminating Lithology from Saturation Changes
T. L. Dobecki
Houston Geological Society Bulletin
.... The refraction method depends upon an increase in velocity with depth and is most dependable when this increase is significant; refraction would appear...
1989
Chapter 12: Microseismic Monitoring in Early Haynesville Development
Peter M. Duncan, William B. Barker, Leo Eisner, Peter G. Smith, Kevin Smith, Sherilyn Williams-Stroud
AAPG Special Volumes
... inversion for a VTI anisotropic velocity model and event location (depth). The anisotropic model was obtained from an inversion over eight events...
2013
Bed Configurations in Steady Unidirectional Water Flows. Part 1. Scale Model Study Using Fine Sands
Lawrence A. Boguchwal , John B. Southard
Journal of Sedimentary Research (SEPM)
... because of the limited number of bed forms observed. These errors in flow-depth measurement represent the largest source of error in mean velocity...
1990
Assessing the internal character, reservoir potential, and seal competence of mass-transport deposits using seismic texture: A geophysical and petrophysical approach
Tiago M. Alves, Kuncho Kurtev, Gregory F. Moore, Michael Strasser
AAPG Bulletin
... compute best-fit planes between immediate neighbour traces on a time or depth slice and calculate magnitude (gradient) of dip (Brown, 2011). Dip...
2014
Prediction of multiple origin overpressure in deep fold-thrust belt: A case study of Kuqa subbasin, Tarim Basin, northwestern China
Changyu Fan, Gang Wang, Zhenliang Wang, Xiaojie Han, Jie Chen, Kuaile Zhang, and Baoshou Zhang
AAPG Bulletin
... the parameter “maximum velocity depth” (dmax), which is used to indicate whether unloading has occurred. If the dmax is less than the depth (z), unloading...
2021
Abstracts: Implicit Preconditioning for Least-squares Nonstationary Phase Shift; #90173 (2015)
Marcus R. Wilson and Robert J. Ferguson
Search and Discovery.com
... as we add traces. Decimated traces are reconstructed even when no smoother is applied, with larger depth steps resulting in better regularization...
2015
Oil and Gas Beneath East-Dipping Underthrust Faults in the Alberta Foorhills
Peter B. Jones
Rocky Mountain Association of Geologists
... the upwarpingof the west flank of the Alberta syncline and the upper detachment by emplacement of thrust wedges beneath them. A velocity effect due...
1982
Application of Sequential Offset Technique in Full Waveform Inversion; #42598 (2025)
Binggang Wang
Search and Discovery.com
... vital in high-accuracy depth migration imaging (Virieux et al. 2009). In the process of velocity modeling, shallow velocities are especially sensitive...
2025
Deterministic and Statistical Wavelet Processing
Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
..., improved stacking and velocity analysis, improved statics and improved signal to noise ratio. The success of any wavelet processing procedure...
1980
Using Machine Learning to Customize Development Unit Spacing for Maximum Acreage Value
M. Maguire, A.Cui, T. E. Witham, T. Cross
Unconventional Resources Technology Conference (URTEC)
... engineering forecasting methods. Wells were then incrementally removed, and positioning was changed from stacking to staggering, production forecasted...
2022
Integrated reservoir characterization of low resistivity thin beds using three-dimensional modeling for natural gas exploration
Lim Yen Jun, Lo Shyh Zung
Geological Society of Malaysia (GSM)
... are mandatory to reduce errors of uncertainty during computation. Compressional sonic log is the most important log for time-depth relationship, thus...
2018
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... of vertical fracture, the unconventional shale reservoir exhibits both nonhyperbolic moveout effect in far-offset gathers and azimuthal arrival time...
2016
Abstract: Redefining Jurassic and Triassic Play Fairway Limits on the Ashmore High Using Depth Migrated, Broadband 3-D Seismic Data; #90310 (2017)
David Eastwell, Julian Mather, Karyna Rodriguez
Search and Discovery.com
... is historically difficult due to complex velocity trends. The reprocessing of the 3D seismic survey through pre-stack depth migration, source and receiver de...
2017
An integrated workflow centered around elastic FWI for complex subsalt imaging using wide-azimuth data in the southern Gulf of Mexico
Hongyan Li, Riaz Alai, Nolan Brand, Frederico Xavier de Melo, Hugo Enrique Muñoz Cuenca, Wenmiao Liu, Iestyn Williams, Saeeda Hydal, Khaled Abdelaziz, Emmi Sanchez Vargas, Nik Nur Halim C Soh, M Shah B Sulaiman, Sandeep Kumar
International Meeting for Applied Geoscience and Energy (IMAGE)
... update on top of EFWI. With more accurate velocity update in the shallow depth from EFWI, CIP tomography provided most update in the deeper session...
2024
Seismic Refraction Studies in Gulf of California
Richard P. Phillips
AAPG Special Volumes
... with an average velocity of 5.5 km/sec, and a 4.3 km third layer with an average velocity of 6.7 km/sec. The upper mantle lies at an average depth of 8.9...
1964
The importance of viscoelastic waveform inversion in VSP: Synthetic studies
Yu Chen, Shujaat Ali, Takashi Mizuno, Pierre Bettinelli, Jol Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
... shift the direct arrival time along the depth (Figure 1), resulting in a velocity model slower than the true velocities. Compensation of attenuation...
2022
Neogene Stratigraphy and Salt Tectonics of the Santa Ana Area, Offshore Salina del Istmo Basin, Southeastern Mexico
Pedro T. Gomez-Cabrera, Martin P. A. Jackson
AAPG Special Volumes
... EVOLUTIONRestorationsThe dip-oriented seismic sections (Figures 7, 8) were depth converted and structurally restored using Midland Valley's software 2DMove...
2009
Kraken 3DAcquisition to Interpretation on the Edge of the Browse
Jarrod Dunne
Petroleum Exploration Society of Australia (PESA)
...-wavelength velocity anomalies below the sea floor that cause obvious residual imaging problems and impact upon depth conversion and seismic amplitude...
2016
Tintaburra Field--Australia Eromanga Basin, Queensland
C. B. Newton
AAPG Special Volumes
...) (Blackburn, 1985). Using these velocity functions (V = Vo + kz) for depth conversion greatly reduced the (time) depression observed beneath the channeling...
1992
Abstract: High-Accuracy Relative Event Locations using a Combined Multiplet Analysis and the Double-Difference Inversion; #90174 (2014)
Fernando Castellanos and Mirko van der Baan
Search and Discovery.com
...), which is intended to reduce the effect of unknown velocity heterogeneities along the source-receiver ray paths specially when dealing with dense...
2014
Facies and Log Expression of Systems Tracts
Henry W. Posamentier
Special Publications of SEPM
... delta tend to be attached (Fig. 4.12). Another important effect of a low-gradient shelf is to reduce the depth of fluvial incision during relative sea...
1999