A surrogate approach to studying the chemical reactivity of burrow mucous linings in marine sediments

Daniel A. Petrash, Stefan V. Lalonde, Murray K. Gingras, Kurt O. Konhauser

PALAIOS

... and Turner, 2006). Lalonde et al. (2010) indicated that mucous secretions of marine worms are unusually reactive, possessing a high density (per unit mass...

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)

... functions (Linear Fourier Features, modified Linear Fourier Features, Random Fourier Features, Gaussian Encoding) are compared to evaluate which one will bene...

Sodium Lignosulfonate Injection From Palm Oil Raw Waste Bunches as A Frontier Eor Technology in The Duri Oil Field: Application and Treatment

Navendra Chista Yogatama, Cryspalina Dwiocta Caroline, Anthony Johan, Valeria Irma Christiani, Ahmad Syauqi Hidayatillah

Indonesian Petroleum Association

... serves to assist the purification process. Chemical groups analysis on lignin were performed using FTIR (Fourier Transform Infrared Spectroscopy...

Hydraulic Fracture Characterization Using Continuous Wavelet Transform for Treating Pressure, Calibrated with Fiber Optics Data

Mohamed A. Gabry, Amr Ramadan, Mohamed Y. Soliman

Unconventional Resources Technology Conference (URTEC)

... often conceals vital frequency-related information. Although Fourier transforms can decode frequency content, they lack the ability to indicate when...

Magnetic Susceptibility Cycles in Upper Pliocene Lacustrine Deposits of the Northern Apennines, Italy

Giovanni Napoleone, Andrea Albianelli, Alfred G. Fischer

Special Publications of SEPM

... established the continental biochronology and in 1983 tied it to the marine record by correlating the Triversa faunal unit of Villafranca to the Piacenzian...

Outcrop-based reservoir characterization: A composite phylloid-algal mound, western Orogrande basin (New Mexico)

Patrick D. Doherty, Gerilyn S. Soreghan, John P. Castagna

AAPG Bulletin

..., geologic framework and flow unit modeling: SEPM Short Course 34, p. 31-50. Birch, F., 1960, The velocity of compressional waves in rocks to 10 kilobars...

Use of Computers by Geologists: Abstract

Daniel F. Merriam

Tulsa Geological Society

..., and cosine-theta) harmonic analysis (includes time series, Fourier and power-spectrum analysis) auto- and cross-association PCA (principal component...

ABSTRACT: Effects of Fluvial Abrasion on Shapes of Quartz Sand Grains, by Mark Peterson and Jim Mazzullo; #91042 (2010)

Search and Discovery.com

Sources and Nonsources of Beach Sand Along Southern Monterey Bay California--Fourier Shape Analysis

Gerald A. Porter, Robert Ehrlich, Robert H. Osborne, Rodney A. Combellick

Journal of Sedimentary Research (SEPM)

...Sources and Nonsources of Beach Sand Along Southern Monterey Bay California--Fourier Shape Analysis Gerald A. Porter, Robert Ehrlich, Robert H...

The Origin of Shape Frequency Distributions and the Relationship Between Size and Shape

Robert Ehrlich, P. Jeffrey Brown , Jeffrey M. Yarus , Robert S. Przygocki

Journal of Sedimentary Research (SEPM)

... implication on contemporary shelf sedimentation--Fourier Grain Shape Analysis: Jour. Sed. Petrology, in press. EHRLICH, R., AND WEINBERG, B., 1970...

Grain Shape Analysis--Application to Problems of Sediment Source and Transport: ABSTRACT

Jim Mazzullo

AAPG Bulletin

... of quartz grains contain a valuable record of their source and transport history. Grain shape can be measured with a Fourier series in closed form, which...

Petroleum Exploration--Real World Examples Using Microcomputers: ABSTRACT

R. Mark Maslyn

AAPG Bulletin

... of double Fourier series to model oil-productive paleotopography in the eastern Powder River basin of Wyoming. Geophysicists are more accustomed...

Sources and Distribution of Late Pleistocene Sand, Northern Gulf of Mexico Shelf: ABSTRACT

J. M. Mazzullo, C. Bates, D. Reutter, K. Withers

AAPG Bulletin

... paleogeography and alluvial identification. Techniques used to determine the sources of sand are: the Fourier technique (which differentiated sands...

Lateral Variability in Coals in Western North Slope, Alaska: ABSTRACT

J. S. Youtcheff, P. D. Rao, J. E. Smith

AAPG Bulletin

... and to a lesser extent by rank characterization. Changes in the coal structure and its low temperature ash were also studied by means of Fourier transform...

ABSTRACT: Development of fold hinges in a quartz arenite at subgreenschist facies conditions; #90018 (2003)

Jennie Cook

Search and Discovery.com

... to differences in fold geometry. Fluid inclusions, solution geometry, and potentially the Fourier transform infrared spectroscopy (FTIR) will be used...

Abstract: Antialiasing 5D Interpolation; #90187 (2014)

Stephen K. Chiu

Search and Discovery.com

..., Houston, USA Abstract Fourier-based minimum weighted norm interpolation (MWNI) has been widely used to regularize land seismic data...

Parsimonious Deconvolution

Jon F. Claerbout

Southeast Asia Petroleum Exploration Society (SEAPEX)

... us use X, B, Y and G to denote fourier transforms of x, b, y, and g. Clearly (19) X   dB + B   dX = 0 Now, we would like to choose dX...

Seismic data reconstruction using denoising convolutional neural network combined with regularization by denoising

Nanying Lan, Kaiheng Sang, Fanchang Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to implement the under-sampled data recovery. Nowadays, various sparse transforms have been introduced into the reconstruction field, such as Fourier...

Information Management: Surfing the Internet for Geological and Geophysical Data

Kelley Smoot, Edna O. F. Reid

Southeast Asia Petroleum Exploration Society (SEAPEX)

... of programs for UNIX-based machines covering manipulation of seismic data in the SEG-Y format. Fourier transforms, synthetic data generation, seismic...

Least-squares reverse time migration: Lessons learned from recent applications in challenging areas of the Santos Basin, Brazil

Jos Rodrigues, Felipe Duarte, Danilo Domingos, Bruno Pereira-Dias, Elionardo Pintas

International Meeting for Applied Geoscience and Energy (IMAGE)

... by Fourier domain decomposition (Machado & Cunha, 2015). With these domain decomposition filtering, we use the good signal-to-noise components in the seismic...

Modeling-based amplitude recovery (MBAR)

Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church

International Meeting for Applied Geoscience and Energy (IMAGE)

... and inverse Fourier transform by MBAR makes it less critical for the vertical axis to be exactly in time. The Radon transform is applied to both field data...

LithoBot: An AutoML approach to identify lithofacies

Mayur Nawal, Santosh Kumar, Bharath Shekar

International Meeting for Applied Geoscience and Energy (IMAGE)

... approaches include non-real time lithofacies identification due to their use of acausal rolling windows prior to the application of fourier or wavelet...

Fracture Characterization Based on Attenuation Estimation From Seismic Reflection Data Using Well-Log-Based Localized Spectral Correction

Fangyu Li, Tao Zhao, Tengfei Lin, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

... sequence. The frequency expression of convolution model is A f   S  f  R  f  , (3) where, A f  , S  f  and R  f  are the Fourier...

Seismic Data Compression by Variational Autoencoder With Hyperprior

Shirui Wang, Wenyi Hu, Aria Abubakar, Xuqing Wu, Jiefu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... and effectiveness of the Discrete Cosine Transform (DCT) by comparing it with the Discrete Fourier Transform (DFT), Walsh-Hadamard Transform (WHT), and Karhunen...

Seismic interpolation based on quadratic denoising neural network

Yuhan Sui, Xiaojing Wang, Jianwei Ma

International Meeting for Applied Geoscience and Energy (IMAGE)

... data is sparsely represented in the Fourier transform domain. Based on the POCS algorithm, seismic interpolation in each iteration can be divided...