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The AAPG/Datapages Combined Publications Database
Showing 63 Results. Searched 195,372 documents.
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Seismic Imaging of the Overturned Limb of a Footwall Syncline in the Alberta Foothills of the Canadian Rocky Mountains and Its Impact on Exploration; #30533 (2017)
Andrew C. Newson
Search and Discovery.com
... with a 7000 meter aperture. The travel times were obtained by solving the eikonal equation using finite differences. The geophysical modelling supports...
2017
Using Reflected Phases to Improve Depth Resolution of Microseismic Source Locations from Single-Well Observations
James Rutledge, Nobukazu Soma
Unconventional Resources Technology Conference (URTEC)
... TiCAL by ray-tracing through the 7-layer velocity model. The ray-tracing calculation was done by a 2nd-order solution of the eikonal equation based...
2013
Predicting Waterflood Behavior by Simulating Earth Models with No or Limited Dynamic Data: From Model Ranking to Simulating a Billion-Cell Model
Joseph Hovadik, David Larue
AAPG Special Volumes
... (1996). The method is used to solve the eikonal equation that describes the traveltime of a propagating front:where t(x, y, z) is the traveltime, and v...
2011
Monitoring Sea-floor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico
Erika Geresi, Ross Chapman, Tom McGee, Bob Woolsey
AAPG Special Volumes
... field is handled theoretically. Typically, the traveltime is known analytically by solving the eikonal (ray) equation directly or by ray tracing...
2009
Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones
Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju
Indonesian Petroleum Association
... was applied to the VSP data (similar to He et al., 2007). , , , This equation describes the imaging operation M(p) in the frequency...
2013
Quantification of Connectivity in Images
Yaokun Wu, Siddharth Misra
Unconventional Resources Technology Conference (URTEC)
... to boundary value problems of the Eikonal equation given by (Sethian 1996): 𝐹(𝑥)|∇𝑇(𝑥)| = 1 URTeC 2937 6 where 𝐹 is the travel speed as a function...
2020
Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation
Zhishuai Zhang, Jing Du, Fuchun Gao
Unconventional Resources Technology Conference (URTEC)
... predicted using these predetermined velocity models. The forward modeling was conducted by solving the Eikonal equation for the first arrivals, which...
2017
AAPG/SEG International Conference and Exhibition; - Abstracts, #90255 (2017).
Search and Discovery.com
2017
Assessing and processing three-dimensional photogrammetry, sedimentology, and geophysical data to build high-fidelity reservoir models based on carbonate outcrop analogues
Ahmad Ramdani, Pankaj Khanna, Gaurav Siddharth Gairola, Sherif Hanafy, and Volker Vahrenkamp
AAPG Bulletin
... traveltime from the velocity model using finite difference approximation of the eikonal equation. The forward-calculated first arrival...
2022
PSDM Enhances Reef Interpretation in Jatiluhur Block, West Java
Jopie I. Adhidjaja, Andrew J. Davidoff, Ika Ratna Novianti
Indonesian Petroleum Association
.... It has been found to produce higher quality depth images than the conventional Eikonal algorithm. Options for ray tracing selection include maximum...
2002
Time-Lapse Imaging of a Hydraulic Stimulation Using 4-D Vertical Seismic Profiles and Fiber Optics in the Midland Basin
Robert Meek, Kevin Woller, Mark George, Robert Hull, Hector Bello, Jed Wagner
Unconventional Resources Technology Conference (URTEC)
... migration. The depth migration used an isotropic eikonal traveltime solution calculated from a single velocity function derived from the zero-offset direct...
2017
Two-dimensional seismic refraction tomography of a buried bedrock valley at Hallsands beach, Devon, United Kingdom
Eric B. Avalos, David H. Malone, Eric W. Peterson, William P. Anderson, and Roland W. Gehrels
Environmental Geosciences (DEG)
.... T., and A. Quintus-Bosz, 1993, Wavepath eikonal traveltime inversion: Theory: Geophysics, v. 58, p. 1314–1323, doi:10.1190/1.1443514. Tsai, C. C., R. D...
2016
Modeling Unconventional Reservoirs Using a Graph Network Model
Zhenyu Guo, Sathish Sankaran
Unconventional Resources Technology Conference (URTEC)
..., this approach was extended to allow multiwell interference (Iino et al., 2020). By solving the Eikonal equations, FMM produces diffusive time of time...
2022
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