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The AAPG/Datapages Combined Publications Database
Showing 499 Results. Searched 200,357 documents.
Forensic GPR anti-human landmine accurate detection by Gramian constrained joint inversion of the monostatic reflection and transmission radargrams
Jide Nosakare Ogunbo, Changsoo Shin, Sang-Wook Kim, Sang-Hyun Kim
International Meeting for Applied Geoscience and Energy (IMAGE)
... the experiments that will be carried out include: speed of light in air 𝑐 = 3 × 108 m/s Ricker source wavelet center frequency of 𝑓𝑐 = 1 GHz...
2022
On the absorbing boundaries to replicate semi-infinite half-space in numerical seismic analyses using the finite element method
Tyler R. Hebert, James M. Bryce, Arka Prabha Chattopadhyay
International Meeting for Applied Geoscience and Energy (IMAGE)
... absorbed. Semblat et al [2] choose to evaluate CD in the presence of a Ricker Wavelet for pure P-waves with a density of 2500 kgm−3 . Five damping layers...
2022
Method of seismic wave advance geological prediction in soft layer
Xingmeng Dong, Zhoutuo Wei, Yuwen Zhai, Jigen Xia
International Meeting for Applied Geoscience and Energy (IMAGE)
... face and the vertex are (21, -1, -5)、(21, -3, 5) 、 (21.5, -1.5, -3) and (23, -2, -5) , respectively. The excitation source T1 adopts Ricker wavelet...
2022
An acoustic wave equation with the gradients of velocity and density
Jianyong Bai, Orhan Yilmaz
International Meeting for Applied Geoscience and Energy (IMAGE)
... cause rapid velocity changes. The right salt structure is a clean homogeneous salt body. A Ricker wavelet with the peak frequency of 15 Hz is used...
2023
Revolutionizing seismic data compression: Unlocking the power of stable diffusion neural networks
Ayrat Abdullin, Umair Bin Waheed, Naveed Iqbal
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and end of the line. The seismic data is generated using the Ricker wavelet with a frequency of 15Hz. With this setup, 512 traces are generated...
2023
Sonic Saturation Inversion and AVO Modeling in the Tunu Gas Field
Patrick Fouchard, Scott Leaney, Sugimin Harsono
Indonesian Petroleum Association
... in the computation of the AVO attributes was 40 degrees. A 25 Hz Ricker wavelet was used, being equivalent to the bandwidth of the surface seismic data at the pay zone...
1996
Tectonic Analysis of a Viking Graben Border Fault
Nils Fagerland
AAPG Bulletin
... is convolved with a minimum-phase Ricker wavelet. The signal polarity response will not be discussed. Generalized and slightly simplified lithocolumns from...
1983
New tools for seismic stratigraphic interpretation: Stratal convergence and instantaneous isochron attribute cubes derived from volumetric flattening of experimental strata
Jesse Lomask, Jason M. Francis, James Rickett, Marc L. Buursink, Thomas P. Gerber, Martin Perlmutter, Chris Paola
AAPG Bulletin
... and convolved with a 50-Hz zero-phase Ricker wavelet (Figure 1). The forward modeling does not consider energy losses from scattering, spreading...
2009
Abstract: The Application of The Nearly Optimal Sponge Boundary Conditions for Seismic Wave Propagation in Poroelastic Media; #90171 (2013)
Jingyi Chen and Ralph Phillip Bording
Search and Discovery.com
... function used in this paper is a band-limited Ricker wavelet, which is distributed over a small region of the grid. The source frequency we select is 25Hz...
2013
Abstract: The Application of The Nearly Optimal Sponge Boundary Conditions for Seismic Wave Propagation in Poroelastic Media; #90171 (2013)
Jingyi Chen and Ralph Phillip Bording
Search and Discovery.com
... function used in this paper is a band-limited Ricker wavelet, which is distributed over a small region of the grid. The source frequency we select is 25Hz...
2013
Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)
Wenyong Pan, Kris Innanen, and Gary Margrave
Search and Discovery.com
... are deployed on the surface with a receiver interval of 5m from 5m to 5750m. The source function is a Ricker wavelet with a dominant frequency...
2015
Characterization and Modeling Study of Karst Networks in the Ordovician Carbonate Reservoirs, Tarim Basin; #40795 (2011)
Duoming Zheng, Lijuan Zhang, and Feng Shen
Search and Discovery.com
... models Structural variations on the reservoir top 30 29 Fracture distributions along wellbore • Vertical fractures • 25 Hz Ricker wavelet • Offset...
2011
A New AVO Attribute for Hydrocarbon Prediction and Application to the Marmousi II Dataset, #41764 (2016).
Changcheng Liu, Prasad Ghosh
Search and Discovery.com
... presented by Fatti. Results are convolved with a 30Hz Ricker wavelet. Table 1. Rock physics parameters of some composites. Shear modulus of fluid...
2016
Using Second-Order Adjoint State Methods in GPUS to Quantify Resolution on Full Waveform Inversions, #42034 (2017).
Sergio Abreo, Ana Ramirez, Oscar Mauricio Reyes Torres
Search and Discovery.com
.../s (Δt = 4 × 10−3 s). The source is a Ricker wavelet with a central frequency of 3 Hz. The non-natural boundaries in both velocity models (left, right...
2017
A New Method of Making the Thickness Map of the Shallow Sand Body Constrained by Seismic Attribute, #42092 (2017).
Ming Jun, Zhou Xuefeng, Liu Xuetong, Pan Yong, Li Wenbin
Search and Discovery.com
... is less than 1/4 seismic wavelength(22.5m). The forward modeling results are shown in Figure 3(b) (the source is Ricker wavelet and the dominant...
2017
The Study of the Influence of Stratigraphic Structure on Seismic Attribute Analysis, #42094 (2017).
Zhou Xuefeng, Ming Jun, Liu Jianhui, Zhou Jianke, He Jing
Search and Discovery.com
... positive and negative alternately. Convolute the reflection coefficients with a Ricker wavelet and obtain the records. The final records can be thought...
2017
Constraining uncertainty in interpretation of seismically imaged clinoforms in deltaic reservoirs, Troll field, Norwegian North Sea: Insights from forward seismic models of outcrop analogs
Nicholas E. Holgate, Gary J. Hampson, Christopher A.-L. Jackson, and Steen A. Petersen
AAPG Bulletin
... to the reflection series (Toxopeus et al., 2003). A zero-phase Ricker wavelet was used in reverse polarity (“European” format, cf. Brown, 2004), to be consistent...
2014
Robust joint inversion and segmentation of 4D seismic data
Juan Romero, Matteo Ravasi, Nick Luiken
International Meeting for Applied Geoscience and Energy (IMAGE)
...-like structure, by reducing the impedance by 10% from the top of the structure until a modeled Gas-Water contact (Figures 1b-c). A Ricker wavelet...
2022
An application of FWI with progressive transfer learning
Shirui Wang, Jinjun Liu, Yuchen Jin, Xuqing Wu, Jiefu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... is synthesized with a 12Hz Ricker wavelet with a low-cut filter to remove the frequency components below 9 Hz in the data. Meanwhile, the dominant...
2022
The 'Geoseis' System: Seismic Prospecting with Detonating Cord - A Line Energy Source
D. W. Thompson
Petroleum Exploration Society of Australia (PESA)
..., and It will eventually resemble the Ricker Wavelet. The length of the pulse T generated by a linear source Lm can be shown to vary with the direction...
1985
Orthorhombic AVAZ inversion in the Laplace-Fourier domain
Lin Li, Jinmiao Zhang, Guangzhi Zhang, Zhenyu Zhu, Jiajia Zhang, Chao Li, Xinpeng Pan
International Meeting for Applied Geoscience and Energy (IMAGE)
... as a convolution of the PP-wave reflection coefficients and a 35Hz Ricker wavelet. Gaussian noises with different signalto-noise ratios (S/N...
2022
Enhancing the accuracy of DBSCANs first arrival traveltime picking using super-virtual refraction interferometry
Muhammad Awais, Sherif M. Hanafy, King Fahd
International Meeting for Applied Geoscience and Energy (IMAGE)
... msec and the total generated time is 2 sec. The used source wavelet is a Ricker wavelet with 20 Hz peak frequency. Figure 4a shows shot gather number...
2022
Boosting self-supervised blind-spot networks via transfer learning
Claire Birnie, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... modelling using an explosive source with a 20 Hz Ricker wavelet and contaminated by coloured, Gaussian Noise. Figure 1 displays some of the field...
2022
Least-squares reverse-time migration with angle gathers through point spread functions
Jianyong Bai, Orhan Yilmaz
International Meeting for Applied Geoscience and Energy (IMAGE)
... and (d) LSM. terval of 50 meters. Each shot gather has 281 receivers with a receiver interval of 10 meters. A Ricker wavelet with the peak frequency...
2022
A New Approach in Determining Coal Geometry and Gas Content by Using 2D Seismic and Well Logs. Case Study: Central Sumatra Basin
Asep Ginanjar, Azarico Putra, Rizaldi Oki
Indonesian Petroleum Association
... in the sequence seismic, the forward modeling technique is used. Then, to map a sintetic seismogram response that fit best with the field data, we utilize ricker...
2011