Abstracts: Attenuating 2D Noise in a 3D World; #90173 (2015)

David C. Henley

Search and Discovery.com

... arrival times are always a linear function of the straight-line distance from source to receiver, hence the alternate term “linear noise” often applied...

Relationship of Velocity Defined Accuracy to Phi Defined Accuracy in Settling Tubes: METHOD PAPER

C. L. McCormick, Eric S. Posmentier

Journal of Sedimentary Research (SEPM)

... inaccuracy defined in terms of velocity and error in phi units. Gibbs et al. (1971) gave expressions for determining grain radius, r, as a function of velocity...

Reservoir Characterization and Monitoring: From Inversion to Reservoir Characterization; #70243 (2017)

Runhai Feng, Stefan M. Luthi, Dries Gisolf, Siddharth Sharma

Search and Discovery.com

.... In real inversion studies, backgrounds can be determined at well locations, or by using the migration velocity and invoking rho / vP and vS / vP rock...

The Geometry and Seismic Character of Mid-Late Miocene Carbonate Sequences, SS Area, Offshore Northwest Java

David Carter, Marihot Hutabarat

Indonesian Petroleum Association

..., the Parigi Formation, is interpreted as a series of well defined, sub-elliptical buildups with several low-relief linear to slightly sinuous buildups...

Interferometry derived S-wave velocity model with geological constrains for induced seismicity monitoring

Galina Simeonova, Dmitry Alexandrov, Toufik Chtouki, Petr Kolnsk, Leo Eisner, Tijmen Jan Moser, Umair Waheed, Sherif Hanafy, Barbara Cox

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the observed surface waves. To reconstruct the S-wave velocity profile, we invert the Rayleigh wave group velocity dispersion using the method developed...

SYNTHETIC SEISMOGRAMS

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Study of Seismic Data Velocity and Mapping Method in Complicated Structure Area and Its Application

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Simulation of Polymer Flow in Fracture Networks Using Lattice Boltzmann Method

Rijal Ziya Ulhag, M. Aufaristama, Irwan Ary D

Indonesian Petroleum Association

... involves discretization of the Boltzmann transport equation and using the Bhatnagar Groos Krook (BGK) approximation of the distribution. The function...

Diagnostic Applications of Borehole Hydraulic Signal Processing

Connor J. Clark, Jennifer L. Miskimins, Dana L. Gallegos

Unconventional Resources Technology Conference (URTEC)

... stage to the next, the wave velocity can be assumed to be similar as well. Therefore, the linear relationship with depth shown in the previous figure...

Paleodischarge and Sediment Budget Analysis of the Late Cretaceous Torrivio Sandstone, San Juan Basin, New Mexico, U.S.A.

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"Basement" to East Coast Continental Margin of North America

M. A. Mayhew

AAPG Bulletin

... Cretaceous and older. The Upper Cretaceous/Tertiary strata on the north have lower Fig. 4. Plot of basement velocity as function of distance from...

Adaptive regularization parameter estimation in image domain least-squares migration

Shen Sheng, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the asymptotic Green's function. With the Green's function computed using Gaussian beam summation, Yang et al., (2022) develop a local Born modeling...

The Prediction of Strength in the Sediments of St. Andrew Bay, Florida

C. W. Holmes, H. G. Goodell

Journal of Sedimentary Research (SEPM)

... linear ones, non-linear regression was performed on most of the variables using strength as the dependent variable. In this analysis the variables were...

Microseismic Without Dots … Probabilistic Interpretation and Integration of Microseismic Surveys

Ulrich Zimmer

Unconventional Resources Technology Conference (URTEC)

... ,VM Uncertain parameters are reflected through their probability density function (PDF) and combined using Bayes theorem. There is no restriction...

Abstracts: General Anisotropic Travel Times … A Purpose Built Solution; #90173 (2015)

R. Phillip Bording

Search and Discovery.com

... for isotropic in-homogeneous media are extended to anisotropic media. Using finite difference grid based isotropic algorithms; the slowness function is expanded...

3D-9C seismic survey for direct S-wave processing and interpretation

Rui Zhang, Zhiwen Deng, Yuanyuan Yue, Yan Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to obtain the direct Swave seismic image by using a S-wave source, which is believed to be little affected by the gas clouds and produce clearer...

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)

...Time-lapse full-waveform inversion by model order reduction using radial basis function Haipeng Li, Robert G. Clapp Time-lapse full-waveform...

Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon

Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the target events for FWI. This area is characterized by fast velocity bodies located in the shallow to mid-depth region of the subsurface...

Abstract: Improving Reservoir Imaging with Time-Lag Fwi in the Partitioned Zone Between Kuwait and Saudi Arabia; #91204 (2023)

Art Petrenko, Trevor Coulman, Guangfu Shao, Ibrahim Hakam, Mohammed Almutairi, Sujoy Ghose, Kai Zhang

Search and Discovery.com

... by alleviating the amplitude discrepancy and cycle-skipping issues between field and synthetic data using a kinematic cost function [1]. First, we built...

A Novel Approach for Production Transient Analysis of Shale Gas/Oil Reservoirs

Changdong Yang, Vishal Sharma, Akhil Datta-Gupta, Michael J. King

Unconventional Resources Technology Conference (URTEC)

...he w(τ) function can be calculated using Eq. 6 and as discussed in more detail in Appendix C. 3000 Tubing Pressure Casing Pressure BHP 4000 Pressur...

Can Sparse OBN Equal Savings and Data Quality?

Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION

GEO ExPro Magazine

... wavelet. The velocity estimation workflow is comprised of two different full-waveform inversion methods that use a cost function that emphasizes...

Abstract: Pre-Stack Depth Migration from Regional 2-D Seismic Surveys, a Cost and Time Effective Way of Optimising Structural Detail, by Chris Benson and Dane Southward; #90081 (2008)

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The Effects of Sediment Concentration and Tube-Diameter on Particle Settling Velocity Measured Beyond Stokes' Range: Experiment and Theory

C. J. Lovell , C. W. Rose

Journal of Sedimentary Research (SEPM)

... of settling velocity in a true polydisperse suspension. Hydrodynamic wake capture will be a function of depth. Hampl et al. (1971) comment...

Synthetic Stratigraphy with a Stochastic Diffusion Model of Fluvial Sedimentation

Jon D. Pelletier, Donald L. Turcotte

Journal of Sedimentary Research (SEPM)

... of the series of bed thicknesses as a function of depth, estimated using the Lomb Periodogram, is presented in Figure 9B. The periodic component...

PINNslope: Physics-informed neural network slope prediction and interpolation with positional encoding

Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... of reconstruction accuracy and faster convergence. In addition, we propose a variant of Linear Fourier Features encoding function that demonstrated promising...