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The AAPG/Datapages Combined Publications Database
Showing 8,089 Results. Searched 200,673 documents.
Joint inversion of first-arrivals with full waveform inversion: improving the near-surface model for depth imaging the Marcellus shale of Bradford County, PA
Search and Discovery.com
N/A
ABSTRACT: Fahud Changing Image - Seismic Processing Contribution to the Rejuvenation of Omans Oldest Oil Field; #90051 (2006)
Cees Van Eden, Suleiman Al-Shukeiry, Johannes Rehling, Harry Rynja, Rupert Cole, Wadie Mansour, Pascal Schoepffer, Nigel Benjamin, Jaap Croese, Oleg Khakimov
Search and Discovery.com
..., interpretation of near surface seismic reflections and seismic velocities. The paper will demonstrate how this was crucial to extract value from Fahud and how...
2006
Fahud Changing Image - Seismic Processing Contribution to the Rejuvenation of Oman’s Oldest Oil Field
Search and Discovery.com
N/A
The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)
Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,
Search and Discovery.com
... with special processing efforts can be of great help to build a Near Surface Model. Deep upholes may assist in calibration of velocities and thickness...
2011
Abstract: P-wave and S-wave Near-surface Characterization in Northeast British Columbia (NEBC); #90174 (2014)
Liliana M. Zuleta and Don C. Lawton
Search and Discovery.com
.... - The velocities obtained through the refraction analysis were used to calculate Vp/Vs for the near surface. High Vp/Vs values for the first layer were...
2014
ABSTRACT: Geostatistical Recipes for Near Surface Modeling; #90051 (2006)
Aldo Vesnaver, Ralph Bridle, Robert Ley, Robert W. Rowe
Search and Discovery.com
.... The seismic spatial sampling of the near surface is insufficient both laterally and vertically for th e p u rp ose of modeling and c orrec ting for the tim e...
Unknown
Building a three-dimensional near-surface geologic and petrophysical model based on borehole data: A case study from Chemery, Paris Basin, France
Paola Sala, Marcel Frehner, Nicola Tisato, O. Adrian Pfiffner
AAPG Bulletin
... near-surface layer, or the velocity of the deeper unweathered layers (Telford et al., 1990). From the seismic traveltime-depth relationships measured...
2013
Integration of Geologic Data into Structural Imaging of the Andean Subthrust, Peru; #41605 (2015)
Margaret A. Stratton, Robert Vestrum, Dennis Ellison
Search and Discovery.com
... the geological complexity is the highest. Combined with low fold near the surface, the depth-migration velocity model is underconstrained. Geologic...
2015
The Detection of Gaseous Hydrocarbon Accumulations by Seismic Interference Patterns and Lateral Velocity Variations
M. A. Buskala
Wyoming Geological Association
... an intrinsic part of a record section. The interference is generally from two sources; one generated near or at the surface by the energy source...
1978
Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals
Mike Perz, Josef Heim, Candace Bruins
Unconventional Resources Technology Conference (URTEC)
.... (a) before; (b) after. Both of the sophisticated shallow model building schemes (rows 2 and 7, Table 1) require injection of spatially-varying near-surface...
2019
Numerical Models of Fluid Flow in Carbonate Platforms: Implications for Dolomitization
Jonathan Kaufman
Journal of Sedimentary Research (SEPM)
... phase of subsidence. Most pore fluids in the shale migrate to the surface at velocities less than 0.1 mm/yr and basin-derived fluids are focused...
1994
Statistical imaging through strongly scattering near-surface with path summation techniques
Andrey Bakulin, Ilya Silvestrov, Maxim Protasov, Dmitry Neklyudov
International Meeting for Applied Geoscience and Energy (IMAGE)
... imaging in regions characterized by intricate near-surface scattering (Bakulin et al., 2022b), considering the surface layer as an indeterminate...
2024
Abstract: Searching for the Blind Fault: Haiti Subsurface Imaging Project, by Kocel Eray, Robert R. Stewart, and Paul Mann; #90182 (2013)
Search and Discovery.com
2013
Abstract: Turning-Ray Tomography and Tomostatics; #90224 (2015)
Babatunde Arenrin, Gary Margrave, and John Bancroft
Search and Discovery.com
... tomography is a good tool for estimating near surface velocity structure, especially in areas where conventional refraction statics fail...
2015
Seismic imaging in Tarim Basin: Overcoming complex near-surface conditions
Xianhuai Zhu, Ruirui Zhao, Sam Gray, Wensheng Duan, Duoming Zheng, Ganglin Lei, Gengxin Peng, Rujie Zhang, Kun Xu, Grace Yan, Junru Jiao
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity; accurate near-surface velocities and therefore accurate deeper velocity estimates, rely heavily on a well-chosen initial near-surface model...
2024
Seismic Imaging and Interpretive Model Building in the Colombian Andes
Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
.... With low fold in the near surface, a low signal-to-noise ratio on the image gathers, and complex horizon geometries, automated velocity-model-building...
2006
Gas Hydrates in Ocean Bottom Sediments
M. K. MacLeod
AAPG Bulletin
... to base of a gas hydrate. A temperature profile through 3,000 ft (914 m) of Arctic water and the near surface sediments would follow arrows, assuming...
1982
Abstract: Analysis of Geotechnical Parameters from Geophysical Information; #90255 (2017)
O. O. Adewoyin, E. O. Joshua, M. L. Akinyemi, M. Omeje, E. S. Joel, O. T. Kayode
Search and Discovery.com
... geotechnical properties necessary for foundation design for proposed engineering facilities. Seismic wave velocities generated from near surface...
2017
Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data
A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
... of two hypothetical waves, Normal Incidence Point (NIP) and normal (N)-wave (Hubral, 1983). Apart from near surface velocity, , CRS-stack operator does...
2009
SEISMIC EXPLORATION IN BLAINE AND PHILLIPS COUNTIES, MONTANA, AND ADJACENT PARTS OF CANADA
S. W. FRUEHLING
Montana Geological Society
... to be of low relief. Thus the necessity of achieving a high degree of accuracy of the near surface corrections is quite obvious...
1953
Analysis of Geotechnical Parameters from Geophysical Information; #70254 (2017)
O. O. Adewoyin, E. O. Joshua, M. L. Akinyemi, M. Omeje, E. S. Joel, O. T. Kayode
Search and Discovery.com
... facilities. Seismic wave velocities generated from near surface refraction method was used to determine the bulk density of soil, Young’s modulus...
2017
Abstract: Geostatistics and Gradient-Based Structure Coupling for Integration of Uphole Data with Tomography; #91204 (2023)
Ersan Turkoglu, Daniele Colombo, Ernesto Curiel, Hala Alqatari
Search and Discovery.com
... and detailed near-surface velocity models. Tomographic or full waveform inversions provide detailed velocity models but accuracy of these models at very...
2023
ABSTRACT: TUTORIAL: IMAGING THROUGH SHALLOW GAS, DIVING WAVE
Brian Broussard, Luis Canales, Charles Carvill, Lee Lu, Juan Perdomo, Chung-Chi Shih, Sherman Yang, Peter Melville, Mehmet Tanis
Geological Society of Trinidad & Tobago
... beneficial near-surface models in the presence of gas and in areas with low signal-to-noise ratio reflection data. Fundamentally, because DWT resolves rapidly...
2007
CMP domain near-surface velocity model building based on deep learning
Yihao Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
...CMP domain near-surface velocity model building based on deep learning Yihao Wang CMP domain near-surface velocity model building based on deep...
2022
Advanced analysis of helicopter-borne microTEM data for seismic base of sand corrections
Ersan Turkoglu, Daniele Colombo, Ernesto Sandoval-Curiel
International Meeting for Applied Geoscience and Energy (IMAGE)
... Geophysics Technology, EXPEC Advanced Research Center, Saudi Aramco Summary Complex near-surface structures such as karsts, wadis and sand dunes...
2022