The Effects of Porestructure on Sonic Velocity in Carbonates: Examples from Gunung Rapat Limestone, Ipoh

Muhammad Hafiz Izuddin, Chow Weng Sum, Mohd Shafeea Leman, Khor Wei Chung

Geological Society of Malaysia (GSM)

... characteristic of carbonates from Gunung Rapat, Ipoh. To investigate the inverse yet scattered relationship between porosity and sonic velocity...

Can Dispersive Pressure Cause Inverse Grading in Grain Flows?: DISCUSSION

J.P. Le Roux

Journal of Sedimentary Research (SEPM)

...Can Dispersive Pressure Cause Inverse Grading in Grain Flows?: DISCUSSION J.P. Le Roux 2003 333 334 Vol. 73 (2003) No. 2. (March) BAGNOLD, R.A....

Three-dimensional inverse modeling of the refractive heat-flow anomaly associated with salt diapirism

Seiichi Nagihara

AAPG Bulletin

...Three-dimensional inverse modeling of the refractive heat-flow anomaly associated with salt diapirism Seiichi Nagihara 2003 1207 1222 87 7...

Abstract: Re-establishment of Gradient in Frequency-domain Elastic Waveform Inversion; #90174 (2014)

Ju-Won Oh, Dong-Joo Min, and Felix J. Herrmann

Search and Discovery.com

... properly reflect the differences between the true and assumed models satisfying the general inverse theory. The weighting factors are composed...

Abstracts: What Receivers will we use for Low Frequencies?; #90173 (2015)

R. Malcolm Lansley and Peter Maxwell

Search and Discovery.com

... in travelling through the ground. The -12-dB roll-off inherent in geophone design can be corrected for by inverse filtering; see Figures 3 & 4...

Paleofluid Evolution In Fault-Damage Zones: Evidence From Fault–Fold Interaction Events In the Jabal Qusaybah Anticline (Adam Foothills, North Oman)

Mahtab Mozafari, Rudy Swennen, Fabrizio Balsamo, Luca Clemenzi, Fabrizio Storti, Hamdy El Desouky, Frank Vanhaecke, Christian Tueckmantel, John Solum, Conxita Taberner

Journal of Sedimentary Research (SEPM)

... in aqueous inclusions applying Fourier-transform infrared spectrometry (FT-IR) analysis were not successful due to the small size of inclusions (< 20 μm...

Marchenko focusing using convolutional neural networks

Mert S. R. Kiraz, Roel Snieder

International Meeting for Applied Geoscience and Energy (IMAGE)

... for an arbitrary subsurface location can be retrieved. (a) INTRODUCTION The Marchenko equation has been used to address the inverse scattering and medium...

Can Storage Coefficient Be Neglected in the Estimation of Unconfined Aquifer Parameters?

Xunhong Chen

Environmental Geosciences (DEG)

... coefficient S.To be consistent in the analysis of aquifer test data, the Dagansolution was combined with an inverse computational procedureso that Kr...

Cave Pearls and Pisoliths: A Sedimentological Comparison

Carol A. Hill

West Texas Geological Society

..., and subaerial exposure where the pool level descends below the tops of the pearls. Polygonal packing, inverse graded bedding, directional elongation...

Machine Learning and Hydraulic Fracture Simulation to Speed up Well Completion Optimization Understanding in Vaca Muerta Formation, Neuquén Basin, Argentina.

Damián E. Hryb, Alan Diaz, David Algorry, Martin Foster, Gaston Manestar

Unconventional Resources Technology Conference (URTEC)

... positive or negative indicates a high direct or inverse correlation. 6 URTeC 1353 Figure 7. Correlation matrix. The first block of eight variables...

Seismic reflectivity inversion via a regularized deep image prior

Hongling Chen, Mauricio D. Sacchi, Jinghuai Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

... the network structure as an implicit regularization of the inverse problem leading to reflectivity estimators with improved lateral continuity...

Reducing parameter coupling effect for subsoil density estimation using 3D seismic full-waveform inversion with horizontal-force source

Y. Kawasaki, S. Minato, R. Ghose

International Meeting for Applied Geoscience and Energy (IMAGE)

... implementing complex algorithms or computationally expensive accurate Hessian inverse, in order to mitigate the coupling effects. Our results...

Traveltime tomography and efficient physics-informed Bayesian inversion

Tian Qiao, George Turkiyah, Gerard T. Schuster

International Meeting for Applied Geoscience and Energy (IMAGE)

... this physics-informed Bayesian inversion to VSP traveltime data. The tomogram is computed with the assistance of an analytic inverse, and the posterior...

Seismic inversion with dictionary learning using unsupervised machine learning

Debajeet Barman, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... approaches to solve this inverse problem 1) the Deterministic approach where greedy algorithms are a common way to reach the optimal solution...

Invertible neural network for automatic velocity model building and uncertainty quantification

Yen Sun, Junzhu Shen, Paul Williamson

International Meeting for Applied Geoscience and Energy (IMAGE)

..., with UQ, of a 2D onshore field dataset. We consider its ability to encapsulate the prior distribution, its capacity for learning the inverse operator...

Semi-inverse relationship between critical angle and reflectivity coefficient, and its implication in seismic survey design, processing, and interpretation

Chen Bao

International Meeting for Applied Geoscience and Energy (IMAGE)

...Semi-inverse relationship between critical angle and reflectivity coefficient, and its implication in seismic survey design, processing...

Dynamic Evolution and Overhang Development of Salt Structures in the North Louisiana Salt Basin: Quantitative Models

Kenneth Petersen , Ian Lerche , Allen Lowrie

GCAGS Transactions

... , Allen Lowrie 1992 Vol. 42 (1992), Applications are given of a novel quantitative inverse modeling procedure to two salt structures in the North...

Controls on organic matter distributions in Eocene Lake Uinta, Utah and Colorado

Ronald C. Johnson, Tracey J. Mercier, Justin E. Birdwell

Rocky Mountain Association of Geologists

... Fourier transform infrared microscopy, Energy & Fuels, v. 29, p. 4264–4271. White, D., 1926, The carbonaceous sediments: in W.H. Twenhofel ed., Tretis...

Diverse fracture properties and their impact on performance in conventional and tight-gas reservoirs, Saudi Arabia: The Unayzah, South Haradh case study

Mohammed S. Ameen, Keith MacPherson, Maher I. Al-Marhoon, Zillur Rahim

AAPG Bulletin

... cube for the study area was analyzed using in-house developed methods, including generalized Hilbert transform, based on the windowed Fourier transform...

Characterization of Controls on High-Resolution Stratigraphic Architecture in Wave-Dominated Shoreface–Shelf Parasequences Using Inverse Numerical Modeling

Karl Charvin, Gary J. Hampson, Kerry L. Gallagher, Joep E. A. Storms, Richard Labourdette

Journal of Sedimentary Research (SEPM)

...Characterization of Controls on High-Resolution Stratigraphic Architecture in Wave-Dominated Shoreface–Shelf Parasequences Using Inverse Numerical...

Interpretation Methods in the Exploration of Oligocene-Miocene Carbonate Reservoirs, Offshore Northwest Madura, Indonesia

David C. Carter, Dwi Mandhiri, Robert K. Park, Imron Asjhari, Syaiful Basyuni, Sergey Birdus, John P. Bradfield, Ary Iriawan, Meutia Nasfiah, M.A. Agung Nugroho

Indonesian Petroleum Association

.... Geophysics, The Leading Edge, Aug, p. 53-54. Bracewell, R. N., 1965. The Fourier transform and its applications. New York, McGraw-Hill, p. 268-271...

Chapter Four: Thin-Bedded Turbidites: Overview and Petroleum Perspective

Dorrik A. V. Stow, Bayonle A. Omoniyi

AAPG Special Volumes

... directly as hyperpycnites (Soyinka and Slatt, 2008). Although generally thin bedded, these distinctive inverse-to-normally graded deposits are quite...

Hydrocarbon accumulation processes and mechanisms in Lower Jurassic tight sandstone reservoirs in the Kuqa subbasin, Tarim Basin, northwest China: A case study of the Dibei tight gas field

Xiongqi Pang, Junwen Peng, Zhenxue Jiang, Haijun Yang, Pengwei Wang, Fujie Jiang, and Ke Wang

AAPG Bulletin

... on detailed Fourier transform infrared analyses of the hydrocarbon inclusions with different fluorescence in wells YN4 and YS4, Li et al. (2014) indicated...

2023 Middle East Oil, Gas and Geosciences Show ; - Abstracts, #91204 (2023).

Search and Discovery.com

Dynamics and deposition of sediment-bearing multi-pulsed flows and geological implication

Viet Luan Ho, Robert M. Dorrell, Gareth M. Keevil, Robert E. Thomas, Alan D. Burns, Jaco H. Baas, William D. McCaffrey

Journal of Sedimentary Research (SEPM)

..., Inverse grading resulting from coarse-sediment transport lag: Journal of Sedimentary Research, v. 67, p. 124– 129. Harris, T.C., Hogg, A.J....