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The AAPG/Datapages Combined Publications Database
Showing 2,336 Results. Searched 200,693 documents.
Seafloor Features on Mississippi-Alabama Outer Continental Shelf
Richard Rezak, William W. Sager, J. Scott Laswell, Stephen R. Gittings
GCAGS Transactions
.... The reflectivity of the seafloor varies greatly. Highly reflective bottom often occurs in the vicinity of topographic highs. However, frequently no relief...
1989
Gulf Coast Area: Regional Studies
Parker D. Trask, H. Whitman Patnode
AAPG Special Volumes
... Coast sediments, on the whole, are light in color. The average reflectivity is 38 per cent. The Eocene sediments of southwest Texas are the darkest...
1942
Integrated Seismic Attributes and AVO Analysis in the Faults and Hydrocarbon Leakage Extraction
Ragil Destriawan Prasetyo, Dicky Harishidayat
Indonesian Petroleum Association
... that appear right on top of the chaotic seismic facies is selected. The response of Pwave reflectivity can be seen in Figure 4. In seismic section, gas...
2019
De-Risking Exploration Well in A Mature Basin, Jabung Block, South Sumatra Basin: Application of Avo Analysis in A Sub-Unconformity Play
Lucky Kriski Muhtar, Mawar Indah Nursina, Iman Suripto Suyatno, Henri Heru Prasetijo, Hendra Niko Saputra
Indonesian Petroleum Association
... Gather Res ρ,φ Reflectivity Vp/Vs Seismic base: 2p Well-Ext-1 (TAF) Vp,Vs s Offset Gas Case Class 2/2p Oil Case Reflectivity Class 2...
2022
Real-Time Methane Emissions Monitoring and Reduction in Unconventional Operations Using Airborne Hyperspectral Detection
Joseph Gomes, Jean-Philippe Gagnon, Frédérick Marcotte, Martin Chamberland
Unconventional Resources Technology Conference (URTEC)
... reflectivity (e.g., snow, water). Unlike active systems, HCAM doesn't emit light, relying instead on temperature contrasts between gas plumes...
2025
Seismic Attributes for Reservoir Property Prediction A Review (Geophysics Poster 16)
Muhammad Sajid, Zuhar Zahir Bin Tuan Harith
Geological Society of Malaysia (GSM)
... of the attributes. S. Chopra and K. J. Marfurt 2008(Chopra and Marfurt, 2008), Classified seismic attributes into two classes, reflectivity attribute and morphology...
2011
Coaxial Stretching or Lithospheric Simple Shear in the North Sea? Evidence from Deep Seismic Profiling and Subsidence: Chapter 33: North Sea and Barents Shelf
Simon L. Klemperer, Nicky White
AAPG Special Volumes
... the largely unreflective upper crustal basement; for example, at the southwest boundary of the Egersund basin. Lower crustal reflectivity can be seen...
1989
Spectral Decomposition in a Heavy-oil and Bitumen Sand Reservoir
Carmen C. Dumitrescu, Larry Lines
AAPG Special Volumes
... on the migrated stack and on amplitude-versus-offset (AVO) attributes (P- and S-wave impedance reflectivity). Examples provided in this chapter are from...
2013
Tectonic Analysis of a Viking Graben Border Fault
Nils Fagerland
AAPG Bulletin
... at different levels to enhance the time windows of interest. A typical synthetic seismogram from well 15/9-1 is shown in Figure 5. Reflectivity series...
1983
Evaluation of Paleozoic source rocks in Kuwait
Fowzia Abdullah, Fouad Shaaban, Awatif Al-Khamiss, Fikry Khalaf, Fatma Bahman, and Bibi Akbar
AAPG Bulletin
..., and 12 samples were selected for reflectivity measurements of vitrinite (Ro) and bitumen. Rock samples were processed by the standard palynological...
2021
Abstract: Time-varying Wavelet Estimation and Deconvolution; #90171 (2013)
Mirko van der Baan
Search and Discovery.com
... with the reflectivity series r plus some superposed noise n. That is, x(t) = w(t) * r(t)+n(t), where * indicates convolution and t represents time. The objective...
2013
Abstracts: Revisiting Homomorphic Wavelet Estimation and Phase Unwrapping; #90173 (2015)
Roberto H. Herrera and Mirko van der Baan
Search and Discovery.com
... given as a convolution between the propagating wavelet and the reflectivity series of the earth and normally it is assumed that a white noise is added...
2015
Abstracts: Plane Wave Reflection and Transmission Coefficients for VTI Media; #90173 (2015)
Ritesh Kumar Sharma and Robert James Ferguson
Search and Discovery.com
... with this, sometimes R and T coefficients are required for use in reflectivity programs where integration over ray parameter is required (Rüger, 2001). For this case...
2015
Abstract: AVAZ and VVAZ Practical Analysis to Estimate Anisotropic Properties; #90224 (2015)
Yexin Liu
Search and Discovery.com
... 𝜃 , 𝛾 = (𝑅 𝑝 ), S-reflectivity (𝑅 𝑠 ) and density reflectivity (𝑅 𝐷 ). 𝑉𝑠 𝑉𝑝 and the P-reflectivity For the VTI media, the VTI can’t causes the seismic amplitude...
2015
Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)
Mike J. Perz and Hassan Masoomzadeh
Search and Discovery.com
... of not needing to know r nor td. However, it also imposes a well-known assumption on the distribution of the reflectivity (e.g., white reflectivity...
2015
Quantifying Bypassed Pay Through 4-D Post-Stack Inversion, #40799 (2011)
Robert Woock, Sean Boerner, James Gamble
Search and Discovery.com
... block (as seen in yellow). Notes by Presenter: This is the G sand cross-section and seismic expression in reflectivity from the Sohio #3 well...
2011
Fluid and Petrophysical Prediction in the Elastic Impedance Domain Using Neural Network Technique; #41066 (2012)
M. Hermana, M. Najmi, Z.Z.T. Harith, and C.W. Sum
Search and Discovery.com
...; 3) inversion of EEI reflectivity into impedance domain using deterministic inversion technique; and 4) supervised ANN method used to determined...
2012
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
Are Key Technological Changes of the Last Three Years Enough to Warrant Reprocessing? Interpolation and AVO Inversion for the Nisku at Brazeau; #41556 (2015)
Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Jon Downton, Bashir Durrani
Search and Discovery.com
... experimental error than the estimate of Mu*Rho. This is a consequence of the fact that Mu*Rho is calculated solely from the Simpedance reflectivity (Goodway...
2015
Prospect Investigation and De-Risking Using Cognitive Interpretation Workflows, Offshore Equatorial Guinea, #30507 (2017).
Tom Wooltorton, Stephen Leslie, Merritt Smith, Rachael A. Moore
Search and Discovery.com
... interpreted from the seismic amplitudes, but the reflectivity data did not provide the full picture alone. The objectives for the identified prospects...
2017
Physics-directed unsupervised machine learning: Quantifying uncertainty in seismic inversion
Sagar Singh, Yu Zhang, David Thanoon, Pandu Devarakota, Long Jin, Ilya Tsvankin
International Meeting for Applied Geoscience and Energy (IMAGE)
... can be represented as the result of convolving the source wavelet with the reflectivity series. Here, we assume the same model but solve the regression...
2022
Statistical depth imaging through complex cluttered near-surface with path summation
Andrey Bakulin, Ilya Silvestrov, Maxim Protasov
International Meeting for Applied Geoscience and Energy (IMAGE)
... from (a). Using the true model, we compute the ideal image result as a model reflectivity convolved with source impulse (Figure 2a). The actual...
2022
Simulating seismic data using generative adversarial networks
Bradley C. Wallet, Eyad Aljishi, Hussain Alfayez
International Meeting for Applied Geoscience and Energy (IMAGE)
..., Geostatistics: John Wiley & Sons, Inc. Chopra, S., J. Castagna, and O. Portniaguine, 2006, Thinbed reflectivity inversion: 76th Annual International...
2022
ABSTRACT: Petrographic characterization of natural microcrystalline graphite from Hunan, China at various magnification levels
Kuo Li, Qinfu Liu, Susan M. Rimmer
The Society for Organic Petrology (TSOP)
.... 131, 214–226. Zheng, Z., Zhang, J., Huang, J.Y., 1996. Observations of microstructure and reflectivity of coal graphites for two locations in China...
2018
Q-LSRTM using viscoacoustic VTI wave equation based on the nearly constant Q model
Zhang Shan-Shan, Gu Bing-Luo, Li Zhen-Chun
International Meeting for Applied Geoscience and Energy (IMAGE)
...) The reflectivity model is iteratively updated by the optimization algorithm to obtain the migration profile. Numerical Examples We employ two models to verify...
2022