Seismic Attenuation Analysis for Reservoir Description

Search and Discovery.com

..., i.e. Δt = Δt (t 0, v rms ,offset ) . Equation 2 shows that for a seismic wavelet with a Ricker like amplitude 0 spectrum, its peak frequency decays...

Abstract: Spectral-element Simulations of Elastic Wave Propagation in Exploration and Geotechnical Applications; #90187 (2014)

Lin Zheng, Qi Zhao, Qinya Liu, Bernd Milkereit, and Giovanni Grasselli

Search and Discovery.com

.... Taking into account the velocity variations, we meshed the structures with different element sizes (See Fig 1 for velocity model information). A Ricker...

Stratigraphic Modeling and Interpretation--Geophysical Principles and Techniques: Section 3. Stratigraphic Models from Seismic Data

Norman S. Neidell, Elio Poggiagliolmi

AAPG Special Volumes

... computed synthetic seismograms for a single low-velocity bed for a variety of thicknesses. A 25-Hz Ricker wavelet is taken as the seismic waveform...

Seismic-attribute Analysis for Gas-hydrate and Free-gas Prospects on the North Slope of Alaska

M. W. Lee, T. S. Collett, T. L. Inks

AAPG Special Volumes

... is modeled using various saturation levels and thicknesses of reservoirs with a 55-Hz Ricker wavelet. For a 30-m (98-ft)-thick layer, shown in the far...

Facies Mapping from Three-Dimensional Seismic Data: Potential and Guidelines from a Tertiary Sandstone-Shale Sequence Model, Powderhorn Field, Calhoun County, Texas

Hongliu Zeng , Milo M. Backus , Kenneth T. Barrow , Noel Tyler

AAPG Bulletin

... value that is about 40% greater than the normal amplitude of a single impedance boundary having the same reflection coefficient (for a Ricker wavelet...

A shallow velocity model building using full-waveform inversion on 3D onshore dataset

Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the field data and synthetic data. In this inversion, field seismic traces are not needed and a zero-phase wavelet such as a Ricker wavelet can be used...

Imaging and fold comparison of mirror reverse time migration vs. interferometric imaging for VSP data

Liwei Cheng, James Simmons, Ali Tura

International Meeting for Applied Geoscience and Energy (IMAGE)

... finite-difference method with a 25 Hz Ricker wavelet and a free-surface boundary condition. The velocity model is shown in Figure 2a, and the density...

Joint inversion of magnetotelluric and seismic travel time data with intelligent interpretation of geophysical models

Hongyu Zhou, Rui Guo, Maokun Li, Fan Yang, Shengheng Xu, Zuzhi Hu, Deqiang Tao

International Meeting for Applied Geoscience and Energy (IMAGE)

... be defined with ρi+1 vi+1 − ρi vi Zi+1 − Zi = Ri = ρi+1 vi+1 + ρi vi Zi+1 + Zi where Ri is seismic reflectivity, Wi is zero phase ricker wavelet , ni...

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)

...-frequency component RH of the reflectivity profiles are convolved with a 30Hz Ricker wavelet to obtain the corresponding low-frequency component SsynL...

A dense linear array for passive seismic imaging of geothermal structural features: The FOAL experiment at Utah FORGE

Jaewoo Kim, Jonathan Ajo-Franklin, Tanner Shadoan, Valeriia Sobolevskaia, Julia Correa, Barry Freifeld

International Meeting for Applied Geoscience and Energy (IMAGE)

... was generated by convolving a Ricker wavelet with a center frequency of 30 Hz with arrival time data predicted through ray tracing using a velocity model...

Time-lapse full-waveform inversion by model order reduction using radial basis function

Haipeng Li, Robert G. Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... for the baseline FWI. A narrow-offset survey is considered here to test the reflection FWI, with a total of 11 sources (16 Hz Ricker wavelet) and 10-m spacing...

Enhance Seismic Quality With A Fast, Robust and Economic Solution Using Broadband Technology

Munji Syarif, Vania Iqsora, Adde Avrino, Agus Abdullah

Indonesian Petroleum Association

.... Figure-10 shows synthetic seismogram generated using 40Hz Ricker wavelet compared to trace of 2004 data and trace from final result of broadband processing...

Biogenic Gas Reservoir Distribution Analysis Using AI Inversion and Seismic Attributes in The Nias Basin, North Sumatra

Nurul Azizah Haris, Ninda Saphira Mustafa, Fathkhurozak Yunanda Rifai, Shaska R. Zulivandama, Sabrianto Aswad

Indonesian Petroleum Association

... and a Ricker wavelet. Wavelets that have the best correlation value will be convolved with the reflection value of the rock layer to produce...

Core-based Geochemical study of Mudrocks in Basinal Lithofacies in the Wolfberry Play, Midland Basin, Texas, Part II, #10572 (2014)

Robert W. Baumgardner Jr., H. Scott Hamlin

Search and Discovery.com

.... Baumgardner, Jr. and H. Scott Hamlin Bureau of Economic Geology Core/Thin Section Photos from Rupert P. Ricker #1 8356 Important Observations I MLL 5 GR...

Acoustic modelling with elastic AVA effects

Robin P. Fletcher, James Hobro, James Rickett

International Meeting for Applied Geoscience and Energy (IMAGE)

... on all edges. The source is placed at (3000 m, 92 m) and receivers every 1 m at a depth of 92 m, giving a maximum offset of 3 km. A Ricker wavelet...

A 3D immersed boundary method for acoustic wavefield simulation with irregular surface topography

Xiang Li, Ziduo Hu, Yancan Tian, Wei Liu, Zhonghua Xu, Gang Yao

International Meeting for Applied Geoscience and Energy (IMAGE)

... × 151 cells with a sampling interval of 10 meters in X, Y and depth directions. The source signature is a Ricker wavelet with a dominant frequency...

Label-defect tolerance ability of deep learning inversion networks and its applications

Yang Ping, Xu Hunqun, Liu Di, Tao Chunfeng, Wang Chengxiang, Yue Changqing

International Meeting for Applied Geoscience and Energy (IMAGE)

... of 35Hz) and 2 theoretical wavelets with different principal frequencies (30Hz and 60Hz Ricker wavelet, respectively). wells for testing. One of our...

Simulation of seismic waves in the fluid-solid coupled thermoelastic medium

Sen Yang, Guochen Wu, Junzhen Shan, Hongying Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the explosive source is simulated using a Ricker wavelet (fm=20 Hz), and the sampling interval is dt=0.8ms. Fig. 2 is a snapshot of the wavefields at 1144ms...

Optimal transport for elastic source inversion

Tyler Masthay, Björn Engquist

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Figure 1 demonstrates that convexity of W2 under shift is preserved after renormalization of a model elastic wave with a Ricker wavelet source...

A case study of broadband processing in extremely shallow water environment of Bohai Bay

Jiangbo Huang, Xinyi Duan, Dekui Xu, Pingping Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...) With 12m shallow water multiple (a) 30Hz Ricker wavelet (c) With 18m shallow water multiple (b) With 5m source ghost (c) With 7m receiver ghost (d...

Fine characterization technique and its application to Neogene composite channel sand bodies in Bohai oilfield

Shengqiang Zhang, Zhijun Zhang, Yu He, Xun Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the zero-phase Ricker wavelet with dominant frequency of 30Hz was selected for forward modeling. Figure 3b shows the seismic records obtained...

Finite-frequency transmission traveltime tomography in VTI media

Fei Luo, Lanlan Yan, Jiexiong Cai

International Meeting for Applied Geoscience and Energy (IMAGE)

... uniformly distributed on the surface, with the distance between detection points of 0.005km and the starting position. Ricker wavelet with dominant...

Approaches to Defining Reservoir Physical Properties from 3-D Seismic Attributes with Limited Well Control: an Example from the Jurassic Smackover Formation, Alabama

Bruce S. Hart, Robert S. Balch

West Texas Geological Society

... on the basement ridge. b) Seismic model produced by convolving 25 Hz Ricker wavelet with geologic model. Figure 4. Seismic transect extracted from 3-D...

Application of Inverse-Q Filter and Deconvolution to Improve Seismic Data Quality in the Deep Section

Deddy F. Djanawir, Frans Langitan

Indonesian Petroleum Association

... are also compared later in the study. A 30 Hz zero-phase Ricker wavelet was used for the synthetic in the intermediate time window (1500-2000 ms TWT...

Sequence Stratigraphy Analysis Based on Wireline Log, Mudlog, and 2D Seismic of GHC Field, Baong Formation, Aru Sub Basin, North Sumatra Basin

Ghea Cahya Yulitha, Hari Wiki Utama, Fadhillatul Husna Kurniawan

Indonesian Petroleum Association

... is Ricker of 0.491; Bandpass of 0.554; Usewell 0.618; and Statistical 0.66 (Figure 3). RESULTS Sequence Stratigraphy Subsurface Geology Condition...