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The AAPG/Datapages Combined Publications Database
Showing 28,162 Results. Searched 200,293 documents.
2008
Elastic Wave Seismic Interpretation of Heavy-Oil Reservoirs
Search and Discovery.com
... of VP/VS can be accomplished by AVO. From AVO, we can derive P-wave and S-wave reflectivity. As described by Downton (2005), reflectivity as a function...
2013
Seismic Data Preconditioning for Improved Reservoir Characterization (Inversion and Fracture Analysis); #41347 (2014)
Darren Schmidt, Alicia Veronesi, Franck Delbecq, and Jeff Durand
Search and Discovery.com
... modeling at well locations is done. This may be full wave reflectivity modeling (in which primaries, converted waves and multiples are all modeled...
2014
Equivalent reflection coefficient and AVO characteristics of the thin bed
Zhengyang Kuai, Danping Cao, Chao Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... coefficient is able to unveil the variation of the exact reflection coefficient and describe the value change with the thickness and incidence of angle...
2022
Wave-equation based amplitude versus offset inversion in long time windows, with time-variant wavelets
Dries Gisolf, Peter R. Haffinger
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the synthetic modelling based on the Kennett method (Kennett, 1983). We show the results of linear reflectivity based inversion and the results...
2022
Abstracts: Oilsands: Not Your Average Seismic Data; #90173 (2015)
David Gray
Search and Discovery.com
... for the radon transform to model the huge amplitude variation with offset expected for converted waves. This effect is worse than leaving the converted wave...
2015
Effect of Degradinite on Coal Properties and Its Conversion at Ikeshima Coal Mine: ABSTRACT
Keizo Fujii, Sumio Yamazaki, Koji Shoda, Keiji Miki
AAPG Bulletin
... maceral composition. Thus it is concluded that there can be considerable variation in the quality of coal, depending upon the degradinite content. 1...
1982
Abstract: Monitoring CO2 Injection at Weyburn Reservoir Using 3-D/3-C Seismic Datasets; #90187 (2014)
Le Gao and Igor Morozov
Search and Discovery.com
... in Saskatchewan, Canada, we applied the time-lapse AVO (amplitude variation with offset) method to time-lapse 3-D/3-C seismic datasets. Standard AVO attributes...
2014
3D Seismic Visualization Using Multiple Volume Data Sets
Antony J. Marsh, Andy Furniss, Gerald Kidd
Indonesian Petroleum Association
... combinations include reflectivity and acoustic impedance, near and far offset stack volumes, and reflectivity and edge detection. In this example, we use two AVO...
2000
CSPG/CSEG/CWLS Convention 2006; - Abstracts, #90211 (2015).
Search and Discovery.com
2015
Geophysical characterization of stratigraphic traps within the slope failure turbidite channel of Torok formation, north Slope of Alaska
Sagnik Dasgupta, Charles Inyang, Seth Riseman, David Ruckel
International Meeting for Applied Geoscience and Energy (IMAGE)
... and ice lakes introduce challenges in acquiring the desired ranges of angle/offsets in the seismic acquisition, and seismic reservoir characterization...
2023
Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)
Mike J. Perz and Hassan Masoomzadeh
Search and Discovery.com
... of notches in the amplitude spectrum of the ghosting operator, with rapid variation in the phase spectrum occurring in the vicinity of these notches...
2015
Lidar Intensity as a Remote Sensor of Rock Properties
Darrin Burton, Dallas B. Dunlap, Lesli J. Wood, Peter P. Flaig
Journal of Sedimentary Research (SEPM)
... and target reflectivity, with lesser influence from angle of incidence, roughness, and environmental conditions. Application of distance normalization...
2011
Mapping Middle Triassic Doig Sandstone Reservoirs in Northeast British Columbia Using Seismic Attributes; #51080 (2015)
Satinder Chopra, Ritesh Kumar Sharma, James Keay
Search and Discovery.com
... as the relative acoustic impedance run on the thin-bed reflectivity data. Notice, the higher resolution of impedance variation in Figure 4b and more focused...
2015
VSP Guided Reprocessing and Inversion of Surface Seismic Data
R. Gir, Dominique Pajot, Serge Des Ligneris
Southeast Asia Petroleum Exploration Society (SEAPEX)
... to the differing emerging angle of the ray, causing a further complication. Figure 1. Sources of wavelet distortion resulting from physical causes Figure 2...
1988
Time-lapse impedance variations using DAS VSP data during CO2 injection at the CMC Newell County Facility, Alberta, Canada
Yichuan Wang, Donald C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
... of kth layer can be inverted from seismic reflectivity series as 1 + Ri k −1 Z 0 k exp 2 Ri , i =0 i = 0 1 − Ri k -1 Z k = Z0k (1...
2023
Geologic and seismic modeling of a coarse-grained deep-water channel reservoir analog (Blacks Beach, La Jolla, California)
Lisa Stright, Jonathan Stewart, Kirt Campion, Stephan Graham
AAPG Bulletin
... studies present zero-incidence seismic reflection sections. However, seismic reflectivity varies as a function of incident angle or, equivalently, offset...
2014
Rock Physics and Reservoir Characteristic of a Calcitic-Dolomitic Sandstone Reservoir
H. Morris, B. Hardy, E. Efthymiou, T. Kearney
Indonesian Petroleum Association
... increases the reflectivity at all angles whereas a change in porosity has its greatest impact on the near angle reflectivities. At the far angles...
2011
Rock Physics and Reservoir Characterization of a Calcitic-Dolomitic Sandstone Reservoir; #41499 (2014)
H. Morris, E. Efthymiou, B. Hardy, T. Kearney
Search and Discovery.com
... and gradient reflectivity created from the near and mid-stack using the equations below: Where Rn = Reflectivity at n degrees angle of incidence...
2014
Multichannel seismic deconvolution via 2D K-SVD and convolutional sparse coding
Guiqian Zhang, Xiayu Gao, Bangli Zou, Yaojun Wang, Yingzhu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... as a technical means to consider both vertical resolution and lateral continuity issues in reflectivity inversion problem. Considering the drawbacks...
2023
S-Wave Analysis of Fracture Systems, by Bob A. Hardage and Michael V. DeAngelo, #40227 (2006).
Search and Discovery.com
2006
Modeling of scattering losses using energy transport
Manuel Alejandro Jaimes Caballero, Roel Snieder
International Meeting for Applied Geoscience and Energy (IMAGE)
..., Amplitude variation with incident angle inversion for Q -factors in viscoelastic media: A case study, Geophysics, 84, no. 6, B419–B435, doi: https://doi.org...
2022
Abstract: An Effective Medium Model for a Fractured Carbonate Reservoir Undergoing CO2 Flood at Weyburn Field, Saskatchewan; #90174 (2014)
Chris Blackwood
Search and Discovery.com
... (AVO) and azimuth (AVAZ) behaviour. Figure 2 presents P-wave reflectivity (Rp) vs. angle of incidence for several scenarios. Effective medium 1...
2014
What lies beneath? Prospecting for Hydrocarbons under a metamorphic allochthon, Timor-Leste
M. Bucknill, Brendan Duffy, Jason Noble, Alex Berkovitch
Petroleum Exploration Society of Australia (PESA)
... lies reflectivity interpreted as faulted blocks within a large sub-allochthon anticline. Closure up to 90 km2 occurs to a modest total depth around 2500...
2019
Abstract: Practical Applications of Seismic Anisotropy; #90187 (2014)
Philip Wild
Search and Discovery.com
...). Other inversion schemes exist for walk-away data, such as inverting with the P-wave polarization angle variation with offset in place of horizontal...
2014