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...

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...

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...

Automatic Seismic-to-Well Tie by Restricted Adjustment of Sonic Logs; #42466 (2021)

Gabriel R. Gelpi, Daniel O. Pérez, Danilo R. Velis

Search and Discovery.com

... sonic log and a 30-Hz Ricker wavelet. The correlation between the observed and the synthetic trace is 0.64, denoting that the match between the two...

Exaggeration of Medium

Search and Discovery.com

High-fidelity GPR image super-resolution via deep-supervised machine learning

Kai Gao, Carly M. Donahue, Bradley G. Henderson, Ryan T. Modrak

International Meeting for Applied Geoscience and Energy (IMAGE)

... point-spread function: Iskeleton (x)P(x − x )dx , Inoisy (x) = (3) Ω where the point-spread function P(x) is a Gaussian-tapered Ricker-like...

Stepwise Regression in the Earth Sciences: A Coastal Processes Example

James H. Balsillie, William F. Tanner

Environmental Geosciences (DEG)

... Contribution No. 27. Ricker, W. E. (1973). Linear regressions in fisheries research. J Fish Res Board Can, 30, 409–434. Scripps Institution...

High-resolution seismic detection of shallow natural gas beneath Hutchinson, Kansas

Susan E. Nissen, W. Lynn Watney, Jianghai Xia

Environmental Geosciences (DEG)

... to tie to the seismic data on the Wilson Road and Rice Park lines. A 100-Hz Ricker wavelet, which approximates the frequency content of both the Wilson...

Carboniferous Geology and Tectonic History of the Southern Fort Worth (Foreland) Basin and Concho Platform

Robert C. Grayson Jr., Glen K. Merrill, Lance L. Lambert, Matthew J. Pranter

Dallas Geological Society

... (the Ricker Station Limestone-Stop 3, and the Capps Limestone-Stop 4), and both pinch-out considerably north of the Llano area. In this latter area we...

Robust localized adaptive waveform inversion: A new regularization for Gabor deconvolution

Peng Yong, Romain Brossier, Ludovic Mtivier

International Meeting for Applied Geoscience and Energy (IMAGE)

..., is calculated by Gardner’s relation. The source function is a 5 Hz Ricker wavelet after a 2 Hz low-cut filter. The initial model is made by using the sfsmooth...

Sparse time-frequency representation based on Unet with domain adaptation

Yuxin Zhang, Naihao Liu, Yang Yang, Zhiguo Wang, Jinghuai Gao, Xiudi Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... into the size of 512x512. Then, we utilize the Ricker wavelets, whose dominant frequencies are 20 Hz to 60 Hz with a sample interval of 5 Hz, to create...

Fast Gauss-Newton full-wavefield migration

Siamak Abolhassani, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... collect the reflection data. FWMod is used to generate the observed data (only primaries) using a Ricker wavelet with a dominant frequency of 15 (Hz...

Elastic full-waveform inversion of 4C ocean-bottom seismic data: Model parameterization analysis

Jian Cao, Romain Brossier, Ludovic Mtivier

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the observed data for all the models M1 − M5 are generated by using the fluid-solid coupled modeling solver with a 5 Hz Ricker wavelet source-time...

Accurate simulations of pure P-waves in attenuating transversely isotropic media

Qiang Mao, Jianping Huang, Xinru Mu

International Meeting for Applied Geoscience and Energy (IMAGE)

... ,  Q  0.4 . The source is a Ricker wavelet with (e) -0.2 Figure 2: The wavefield snapshots at 0.6 s generated by (a) Qiao et al.’s (2020...

The use of FWI in coal exploration

Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... selected explosive point sources as our seismic energy type and Ricker wavelet with central frequency f c  80 Hz to represent source function. We applied...

Depth Prediction Ahead of the Bit: A Case Study from the Singa-1 Discovery Well, South Sumatra

Mark Crawley, David Ginger

Indonesian Petroleum Association

... mudstone unit and the carbonate itself. A synthetic run with a 15 Hz zero-phase Ricker wavelet, shown in Figure 9, demonstrates...

Least-squares reverse time migration for attenuating TTI media

Xinru Mu, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... employs a are time step of 0.001 s. A Ricker wavelet with a peak frequency of 25 Hz is chosen as the source wavelet and placed in the center of the model's...

3D anisotropic wavefield simulation with an advanced time-space domain temporal high-order SGFD solution

Xinquan Wang, Long Wu, Yunshan Lei, Panpan Lv, Huibing Zhao, Xiaoling Guo

International Meeting for Applied Geoscience and Energy (IMAGE)

.... A Ricker wavelet with a peak frequency of 19 Hz is located at (1500 m, 1500 m, 100 m) to produce the vibration. Figure 4 shows the corresponding simulated...

Detail Illustration of Structural Discontinuities: Fault Intensity Attribute to Enhance the Fault Likelihood, Hessian Derivative and Fault Extraction

Aji Darma Maulana, Argya Hastubrata Basundara, Muhammad Hafiz Baharuddin, Syukron Ady Purnawiranto, Muhammad Alfateh Saifullizan

Indonesian Petroleum Association

... Note Ricker 7 hz 1 64 ms Normal Polarity 1 ms No 13 Figure 13 - Gaussian Form Wavelet Operation. RESULT AND DISCUSSION Figure 14 displays the True...

Chapter Two: Color, Character and Zero-Phaseness

Alistair R. Brown

AAPG Special Volumes

... by 30, 60, and 90 degrees. The first is a Ricker wavelet, the second is derived from a bandpass filter of 2.3 octaves with gentle slopes, and the third...

A Stratigraphic Interpretation of Shear and Compressional Wave Seismic Data for the Pennsylvanian Morrow Formation of Southeastern New Mexico: Chapter 13

M. D. McCormack, M. G. Justice, W. W. Sharp

AAPG Special Volumes

... be best represented by a Ricker wavelet. Figure 8 displays the Fig. 8. The P-wave synthetic seismogram with the Line 1 compressional CDP traces...

Abstract: A study of Spectral Broadening Methods for Multicomponent Data; #90174 (2014)

Chuck Ursenbach, Peter Cary, and Mike Perz

Search and Discovery.com

... with i. c) The red line from Part a displayed together with a convolution of the reflectivity with a Ricker wavelet in which the dominant AAPG...

4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).

David Hill, Dominic Lowden, Sonika, Chris Koeninger

Search and Discovery.com

... functions characterized by a 30hz Ricker wavelet for 2014 and 2017. Figure 5 shows the point spread function 4D time-lapse differences for 2017...

The Role of Forward Seismic Modeling: Outcrop Analogs of Deep-Water Architectures; #51679 (2020)

Jamie K. Pringle, David A. Stanbrook

Search and Discovery.com

... (1996) respectively. Wavelet Frequency Four dominant Ricker wavelet frequencies were used in these studies: 26 Hz wavelet, typical of seismic datasets...

Sedimentology and Accommodation Cycles of Paris Basin Campanian Chalk: The Key to High-Resolution Stratigraphy and Seismic Signature

Monique Mettraux, Peter Homewood, Anne Schwab, Francois Guillocheau

Special Publications of SEPM

... observations 30 Hz The model Ricker wavelet of SEG by the sea and 4240 m these values of velocities Model A term used were interval velocities...