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The AAPG/Datapages Combined Publications Database
Showing 20,860 Results. Searched 200,756 documents.
Experimental Investigations of Combined Flow Sediment Transport
Everett Smith, Max S. Daniller-Varghese, Paul M. Myrow, David Mohrig
Journal of Sedimentary Research (SEPM)
... the surface wave velocity was 0.02 m/s, and it decayed to near zero at the base of the ramp. This profile fits the expected exponential decay relationship...
2019
Detection of shallow sedimentary structure of Yigong Lake in Tibetan Plateau using distributed acoustic sensing
Jian Zhou, Jizhong Yang, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... interferometry of ambient noise and multichannel analysis of surface wave. We get a 2D shear-wave velocity profile along the cable and reveal...
2022
Finite Difference Modeling: Part I: Become Expert in Five Minutes
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... approximation for the wave equation, and the famous Courant–Friedrichs–Lewy (CFL) condition – a necessary condition for convergence while solving partial...
2018
Abstracts: S-wave Attenuation within the Weathering Layer of an Alberta Heavy Oil Field; #90173 (2015)
Kristof De Meersman
Search and Discovery.com
...Abstracts: S-wave Attenuation within the Weathering Layer of an Alberta Heavy Oil Field; #90173 (2015) Kristof De Meersman AAPG Search and Discovery...
2015
Imaging below Seafloor Canyons and other Rugose Features
Dominic Fell, Kiran Dyal, Tony Hallam, Sebastian Nixon
Australian Petroleum Production & Exploration Association (APPEA) Journal
... and associated lateral velocity variations cause imaging distortions of the wavefield that can make interpretation challenging and uncertain...
2017
Imaging of the Guando Field Colombia in Time and Depth
M.A. Hall, V. Avramovic, J.T. Basick, I. Novianti, D.T. Maucione, P.Kroshko, J.C. Garzon
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
.... In this instance the velocity field describes refraction through interfaces as the seismic wave propagates into the earth. The velocities in the shallow section...
2003
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
... of this migration to deduce the velocity update. We present an extended example using the Marmousi model in which we use wave-equation migration...
2015
Integration of Vertical Seismic, Surface Seismic, and Well-log Data at the Mallik 2L-38 Gas-hydrate Research Well, Mackenzie Delta, Canada
M. W. Lee, T. S. Collett, W. F. Agena
AAPG Special Volumes
... concentrations near the well site, (2) determination of interval velocity relations, and (3) estimation of P-wave attenuation coefficients for gas-hydrate...
2009
Application of Sonic Waveform Attributes in Reservoir Studies
R. Gir
Geological Society of Malaysia (GSM)
... the borehole in unconsolidated sandstones can also create a cylindrical layer with a slower wave velocity than the virgin formation. With a softer layer...
1990
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
Rifts of the Western Arctic Shelf Based on Refraction Surveys
M. L. Verba, L. A. Daragan-Sushchova, A. D. Pavlenkin
Petroleum Geology: A Digest of Russian Literature
.... Interval velocity ranges from 1.9-3 to 4.1-4.3 kmps, indicating that the downwarp is filled by clastic deposits, at the top of which are progradational...
1991
A Southern North Sea Multi-Survey preSDM using Hybrid Gridded Tomography, #41592 (2015).
Ian Jones, Emma Evans, Darren Judd, Alan Campbell, Steve Elam
Search and Discovery.com
... changes in the velocity field and the geology ‘lends itself’ to a layer-based model representation. However, recent work in the North Sea has demonstrated...
2015
Fault Shadow Correction by Advanced Tomographic Velocity Model Building
Search and Discovery.com
N/A
Abstract: Recent Advances in Mapping Deep Permafrost and Gas Hydrate Occurrences using Industry Seismic Data, Richards Island Area, Northwest Territories, Canada; #90171 (2013)
Gilles Bellefleur
Search and Discovery.com
... with only ice in the pore space can have P-wave velocity as high as 4200 m/s whereas as sediments mostly filled with water have velocities near 1800 m...
2013
Abstract: Recent Advances in Mapping Deep Permafrost and Gas Hydrate Occurrences using Industry Seismic Data, Richards Island Area, Northwest Territories, Canada; #90171 (2013)
Gilles Bellefleur
Search and Discovery.com
... with only ice in the pore space can have P-wave velocity as high as 4200 m/s whereas as sediments mostly filled with water have velocities near 1800 m...
2013
Common Reflection Surface (CRS) Stack: Limitations and Opportunities for High-Resolution Seismic Imaging; Real Data Cases
M. S. Jaya, E. A. Sentani, Yendri, Widjonarko, D. Santoso
Indonesian Petroleum Association
... attributes from 2-D multi-coverage data. These attributes are wave-related characteristics,i.e., Emergence-Angle, Normal-Incident-Point (NIP) wave radius...
2007
Joint OBN and 3D DAS-VSP data acquisition and processing in East China Sea
G. Yu, G. M. He, Z. L. Cao, H. B. Liu, J. J. Li, Y. Z. Chen, J. J. Wu, J. G. Li, X. M. Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... separation, anisotropic velocity modeling, correction of seismic migration velocity field, upgoing wave imaging, common receiver gather optimization...
2022
Abstract: Seismic Behaviour of CO2 Saturated Fontainebleau Sandstone Under In Situ Conditions; #90174 (2014)
Mizanul Huq Chowdhury and Douglas R. Schmitt
Search and Discovery.com
... of micro cracks in the sample. Velocity (m/s) P-Wave - FB Dry Summary 6000 5400 4800 4200 3600 3000 2400 1800 Up-Cycle 1 Up-Cycle 2 Down-Cycle 1 Down...
2014
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
Abstract: Petrophysical Properties of Barnett Shale, by Argyrios Karastathis, Chandra Rai, and Carl Sondergeld; #90078 (2008)
Search and Discovery.com
2008
Incorporation of Spatial Variations in Elastic Rock Properties in Geomechanical Reservoir Models – Workflow and Case Studies
Search and Discovery.com
N/A
Application of Full-Waveform Inversion for Shale Diapirs and Carbonate Rafts in the U.S. Central Gulf of Mexico
Search and Discovery.com
N/A
ABSTRACT: Quantifying CO2 Saturation from Time-Lapse Well Logging in an Onshore Saline Aquifer, Nagaoka, Japan; #90061 (2006)
Ziqiu Xue, Jiro Watanabe, and Daiji Tanase
Search and Discovery.com
... sequestrated within the reservoirs. The major challenge is how to correlate wave velocity or electrical conductivity with fluid (CO2 or formation water...
2006
Abstracts: Synthetic Microseismic Files; #90173 (2015)
J. Wong, P. M. Manning, L. Han, and J. B. Bancroft
Search and Discovery.com
..., Calgary, Alberta, Canada, May 9-11, 2011 Figure 1: Ray tracing and first-arrival times through a layered isotropic velocity model. Head-wave rays...
2015
Abstract: Reflection Full Traveltime Inversion in the Image Domain; #90319 (2018)
Yue Ma, Tong W. Fei, Yan Wu, Yi Luo
Search and Discovery.com
... accurate velocity model from traveltime information. Many previously published wave equation-based methods, which attempt to automatically invert traveltime...
2018