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The AAPG/Datapages Combined Publications Database
Showing 1,097 Results. Searched 200,293 documents.
Advanced Imaging and Inversion for Oil Production Estimates in Unconventional Resource Plays
Greg M. Johnson, Paul Miller, David Phillips
Unconventional Resources Technology Conference (URTEC)
... for unconventional resource plays. The imaging portion of the workflow includes a calibrated tomography that simultaneously solves for vertical velocity and TI...
2013
DAS microseismic reflection imaging for hydraulic fracture and fault zone mapping
Yuanyuan Ma, Jonathan Ajo-Franklin, Avinash Nayak, Xiaoyu Zhu, Julia Correa
International Meeting for Applied Geoscience and Energy (IMAGE)
... S-wave velocity model (Figure 1c) to compute a traveltime table, then migrate the microseismic traces and output an S-wave image volume on a 10 × 10 × 10...
2023
Abstracts: Sonic Scanner Logging at Site C0009 of IODP Expedition 319, NanTroSEIZE; #90173 (2015)
Hisao Ito
Search and Discovery.com
... S wave anisotropy. Dispersion analysis was applied to find that stress induced anisotropy is dominant for almost entire depth interval. We also found...
2015
Super-virtual interferometry for noise elimination on vertical seismic profiling (VSP)
Yicheng Zhou, Yang Cui, Sherif Hanafy
International Meeting for Applied Geoscience and Energy (IMAGE)
... it difficult to pick traveltime information, which is used as the input for traveltime tomography to build subsurface velocity models. For this reason...
2024
Nonparametric Bayesian approach for robust depth uncertainty estimation from seismic velocity and anisotropy tradeoffs
Jinsong Chen, Sizhuang Deng, Min Yang, Andrey Shabelansky, Cory Hoelting, Huafeng Liu, Maisha Amaru
International Meeting for Applied Geoscience and Energy (IMAGE)
...Nonparametric Bayesian approach for robust depth uncertainty estimation from seismic velocity and anisotropy tradeoffs Jinsong Chen, Sizhuang Deng...
2024
Sequential vertical gas charge into multilayered sequences controlled by central conduits
M. Foschi, J. A. Cartwright, and C. W. MacMinn
AAPG Bulletin
... (0–1 s two-way traveltime [TWT], i.e., the main interval of interest) to 22 m (72 ft) at depth (1–4 s TWT). Horizontal resolution is approximately...
2018
Time-Lapse Refraction Seismic II: Field Examples
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... phase changes between frozen and unfrozen material over time. A significant limitation is the low penetration depth due to strong velocity contrasts...
2017
The contribution of recent developments in signal processing technology and geological constraints to the reimaging of narrow-azimuth streamer data in the north-eastern Gulf of Mexico
Hongyan Li, Jarred Hostetler, Nadxieli De La Rosa Perez, Hugo Enrique Munoz Cuenca, Zhao Ge, Wilson Ibanez, Courtney Steichen, Ruoyu Gu, Jarrod Hutson, Michiru Tomida
International Meeting for Applied Geoscience and Energy (IMAGE)
... multiple modeling, the SNR and resolution are highly improved, resulting in improved AVO reliability. Additionally, a more accurate velocity model...
2023
Effects of Methane Hydrate on the Physical Properties of Sediments
William J. Winters, William F. Waite, David H. Mason
AAPG Special Volumes
... measured compressional wave velocity (Vp) changes with the extent to which the pore material cements sediment grains. Hence, for equal effective stresses...
2009
Mapping Rock-Property Changes and Fluid Migration Due to Hydraulic Fracturing
Jyoti Behura
Unconventional Resources Technology Conference (URTEC)
..., the imaged hypocenters are most likely inaccurate. This is because the imaging is done using a velocity model extracted from traveltime tomography...
2020
Abstract: Maximize the Potential of Seismic Data in Shale Exploration and Production Examples from the Barnett Shale and the Eagle Ford Shale; #90187 (2014)
Joanne Wang and Duane Dopkin
Search and Discovery.com
... the decision making processes such as sweet spot identification, fracturing stimulation and completion design. A full azimuth depth domain imaging technique...
2014
Vertical and Lateral Seismic Resolution and Attenuation: Part 7. Geophysical Methods
R. E. Sheriff
AAPG Special Volumes
... and a 15-Hz wavelet. Resolution decreases rapidly with depth because velocity increases and frequency decreases. HORIZONTAL RESOLUTION The waves giving...
1992
Method of Spatial Observations of RNP Under the Conditions of the Reef Zone of the Orenburg Cis-Urals
I. A. Mushin
Petroleum Geology: A Digest of Russian Literature
... of interpretation of traveltime curves of reflected waves: Izv. AN SSSR, no. 1. 4. Yefimkina, S. S., Kolenkov, E. V., Shteynberg, G. G., Mushin, I. A., Gelever...
1963
Elastic FWI imaging of a complex presalt structure using NATS data
Arthur Henrique, Luiz Felão, Sergio Barragan, Florian Jouno
International Meeting for Applied Geoscience and Energy (IMAGE)
..., characteristic of this type of acquisition, pose challenges to velocity model building and imaging. The target lies below the diving wave penetration...
2023
Porosity prediction from seismic attributes of the Ordovician Trenton-Black River groups, Rochester field, southern Ontario
O. C. Ogiesoba
AAPG Bulletin
... in the Rochester field are due to the combined effects of low-velocity pushdown and faulting. Methods and results presented in this study can be used...
2010
Divergent Wrench Faulting in the Belize Southern Lagoon: Implications for Tertiary Caribbean Plate Movements and Quaternary Reef Distribution
Maria Ester Lara
AAPG Bulletin
... on the synthetic seismograms. From left to right, columns show depth in well Palmetto Cay 1 (in feet), two-way traveltime in seismic section (in milliseconds), sonic...
1993
Discrimination of Microseismicity Caused by Proppant Injection Using Microseismic Waveform Clustering: The Horn River Basin Case Study
Satoshi Ishikawa, Naoyuki Shimoda, Hiroyuki Tokunaga
Unconventional Resources Technology Conference (URTEC)
...-distance plot, a linear feature was detected which implies initial fracture opening. Applying the clustering procedure, two clusters were detected which...
2019
Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand
Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher
AAPG Special Volumes
...) (4921 and 11,483 ft/s). CDP = common depth point, TWT = two-way traveltime. 1 km = 0.6 mi.FIGURE 7. Three representative velocity distributions across...
2009
Geophysical Investigation of the Breccias Impact on Reservoir Quality in the Madison Formation, The Beartooth Region, Montana, U.S.A.
Wisam H. AlKawai
Search and Discovery.com
.... •Traveltime inversion was applied to determine the P-wave velocity in the Madison Formation which is 2650 m/s. •This velocity is lower than the typical P...
2011
Broad Top Thrust Sheet: An Extensive Blind Thrust in the Central Appalachians (1)
Thomas H. Wilson and Robert C. Shumaker
AAPG Bulletin
... reflections. Based on the two-way interval traveltime of 0.75 s and average velocity through the unit of 22,300 ft/s (6800 m/s) derived from a velocity...
1992
erformance of Seismic Arrays in the Presence of Weathering Layer Variations, #41841 (2016).
Jubran Akram, Abdullatif A. Al-Shuhail
Search and Discovery.com
... of the plane wavefront, Vw is the weathering layer velocity, b is the channel depth, and β is the angle of the line connecting the intersection point...
2016
Structural geometry and evolution of the Ku, Zaap, and Maloob structures, Campeche Bay, Mexico
Shankar Mitra, Juan A. Duran Gonzalez, Jesus Garcia Hernandez, Sergio Hernandez Garcia, Subhotosh Banerjee
AAPG Bulletin
... that provide the best correlation between seismic horizons and well markers were used to convert the seismic sections to depth. Constant velocity functions were...
2006
An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification
Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira
AAPG Bulletin
.... Zdraveva, 2010, Building tilted transversely isotropic depth models using localized anisotropic tomography with well information: Geophysics, v. 75...
2020
Seismic Characterization of Large-scale Sandstone Intrusions
Mads Huuse, Joe Cartwright, Andrew Hurst, Noralf Steinsland
AAPG Special Volumes
... and empirical relations exist that relate the velocity or density of sandstones and mudstones to their porosity and/or depth of burial...
2007
Velocity model building with a time shift objective function: Gulf of Mexico examples
Yi Yang, Ken Matson, Tadas Krupovnickas, Mark Huiskes, Rene-Edouard Plessix, Sijmen Gerritsen
International Meeting for Applied Geoscience and Energy (IMAGE)
...ed a large scale smoothing over the whole model to avoid local minima during early inversions. Basement horizon depth, as well as basement veloci...
2022