Applications of near-field hydrophone data imaging in a shallow water environment: A case study from offshore Egypt

Mahmoud El-Attar, Omar Hossam, Azat Kireev, Arindam Kanrar, Usama Fathy Abdel-Kader, Kai Zhang, Jacob Deeds, Jordan Hassler

International Meeting for Applied Geoscience and Energy (IMAGE)

... interpolation technique which works by estimating a Radon spectrum of the input data, followed by an inverse Radon transform to the desired locations...

Multichannel Seismic Operations for CCOP/SOPAC Cruise, Leg 3, Solomon Islands

D. M. Mann

Circum Pacific Council Publications

... seismic data were shot. 40 MANN ters for these post-stack functions are derived from a power-spectrum analysis, which uses a Fourier transform...

Comparison study on the adsorption of a synthetic textile dye using bentonite and surfactant modified bentonite

Mark Jeeva, Wan Zuhairi Wan Yaacob

Geological Society of Malaysia (GSM)

... for the pH adjustment (Jin et al., 2013). Chemical analysis and physical characterization The FTIR spectra of NK and HMK were obtained using a Fourier...

Eavesdrop during sand cleanout well intervention with distributed acoustic sensing

Ivan Lim Chen Ning, Bradley Barnum, Xinhui Min, Monika Valjak, Brian Arias, Yanfen Zhang, Kai Sun, Ozzy Isabu

International Meeting for Applied Geoscience and Energy (IMAGE)

...ation as a dot product (∙) in the frequency domain via the forward and inverse Fourier transform ℱ and ℱ −1 , respectively. Note that this is a genera...

Applying Digital Rock Characterization to a New Anadarko Basin Shale Play

Tiffany Hintzman, Joel D Walls, Anyela Morcote

Unconventional Resources Technology Conference (URTEC)

... was measured using Fourier Transform Infrared Spectroscopy (FTIR). Sub-samples were selected for SEM imaging using X-ray fluorescence (XRF) analysis...

Unlocking hidden potential in shallow water Gulf of Mexico legacy data for carbon capture and storage exploration

Rachel Collings, Igor Marino, Adriana Arroyo Acosta, Jack Kinkead, Hugo Medel, Trong Tang, Gabriela Suarez, Brett Sellers

International Meeting for Applied Geoscience and Energy (IMAGE)

.... For this, two types of approaches were used, one being an Anti Leakage Fourier Transform (ALFT) approach to prepare the data for Kirchhoff depth...

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

Deddy F. Djanawir, Frans Langitan

Indonesian Petroleum Association

... Report, p. 26. Hargreaves, N. D., Calvert, A. J., 1991. Inverse Q Filtering by Fourier Transform, Geophysics, v. 56, p. 519-527. Lindseth, R. O...

An Integrated Biodegradation Parameter Incorporating Hydrocarbon and Polar/Non-hydrocarbon Fractions of Heavy Oils

Mengsha Yin, Haiping Huang, Leopoldo G. Caminero, Sandra O. Lucach, Silvia M. Chavez, Thomas B.P. Oldenburg

Unconventional Resources Technology Conference (URTEC)

... Bruker SolariX FTICR-MS equipment is used for the Fourier transform ion cyclotron resonance–mass spectrometry (FTICR–MS) analysis. An aliquot...

Mid-Slope Bottom Currents off the Louisiana Coast

W. J. Wiseman, Jr., and H. H. Roberts

GCAGS Transactions

... et al., 1985). All spectrum analyses were done using the fast Fourier transform routine of the Matlab software package. RESULTS The dearth of data...

Simulation of the Seismic Records (DAS) in a Borehole Throughout CO2 Storage Procedures

José Pulido, Yiyu Ni

Unconventional Resources Technology Conference (URTEC)

... Engineering. Fornberg, B., & Driscoll, T. A. (2011). A fast Fourier transform based solver for the Helmholtz equation with variable wave number...

Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data

Search and Discovery.com

... transformed by discrete Fourier transform to the time-domain. (a) (b) Figure 1: Long-offset shot gathers from (a) a real dataset collected...

Seismic Modeling of Reservoir Heterogeneity Scales: An Application on Gas Hydrate Reservoirs

Search and Discovery.com

... function (PSDF) of the medium, Sd(K) was obtained from ACF equation (2) by a Fourier transfrom. The intermediate Gaussian random field g(x...

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Theory; #90171 (2013)

Stewart Trickett and Lynn Burroughs

Search and Discovery.com

.... The general method is as follows: Take the Discrete Fourier Transform (DFT) of each trace. For each frequency within the signal band... { 1. Place...

Abstract: The Origin of Hydrocarbons in Fluid Inclusions in Diamonds; #90172 (2014)

Maya G. Kopylova

Search and Discovery.com

... the Fourier-Transform Infrared (FTIR) spectroscopy. The presence of hydrocarbons in these diamonds were interpreted as artifacts of grease or acryl paint...

Abstract: Application of a Tomographic Velocity Model to the Prestack Depth Migration of a Buried Valley; #90172 (2014)

Oluwafemi Ogunsuyi, Douglas R. Schmitt

Search and Discovery.com

...-receiver migration and shot-profile migration: Geophysics, 68, 1340–1347. Henley, D.C., 1999, The radial trace transform: an effective domain for coherent...

CSPG/CSEG/CWLS GeoConvention 2012, May 14-18, 2012 Calgary TELUS Convention Centre & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90174 (2014).

Search and Discovery.com

Abstract: Quantitative Predication for Reservior Porosity via AVO; #90187 (2014)

Li Ang, Chen Shumin, Zhang Erhua, and Ju Linbo

Search and Discovery.com

.... Geophys., Expanded Abstracts， 252-254． Hargreaves N D’Calvert A J.Inverse Q filtering by Fourier transform. Geophysics,1991,56(4): 519-527...

Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)

Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan

Search and Discovery.com

..., the hat (^) over a variable indicates its temporal Fourier transform, ˆ ˆ  s  x, z ,   is a model of the source wavefield for source s propagated...

Understanding Lithologic Significance of Amplitude Envelope and Acoustic Impedance within Oligocene and Miocene Strata, South Texas Gulf Coast; #40577 (2010)

Osareni Ogiesoba, Ursula Hammes

Search and Discovery.com

... of amplitudes should be performed within individual systems tracts when relating amplitudes to lithology. Reference Bracewell, R.N., 1965, The Fourier...

High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011)

Sunjay Sunjay

Search and Discovery.com

... of Common-Azimuth Data: Geophysics, v. 61/6, p. 1822-1832. Ristow, D., and T. Ruhl, 1994, Fourier Finite-Difference Migration: Geophysics v. 59/12, p...

Microseismic Event Spectrum Control and Strain Energy Release in Stressed Rocks; #40897 (2012)

Alexander O. Rozanov

Search and Discovery.com

..., median frequency f frequency, centroid domain using frequency, standard Fast Fourier deviation of a signal. Transform 20 Ch 1 -20 -10 0 10...

Application of Spectral Decomposition and Seismic Attributes to Understand the Structure and Distribution of Sand Reservoirs within Tertiary Rift Basins of Gulf of Thailand, #40992 (2012)

Mirza Naseer Ahmad, Philip Rowell

Search and Discovery.com

... decomposition (Discrete Fourier Transform) techniques, semblance and sweetness on a seismic data set from the Pattani Basin and on selected frequency slices...

Seismic Attributes for Prediction of Reservoir Architecture and Hydrocarbon Prospectivity: A Case Study of Zubair Formation in Bahrah Area, North Kuwait, #41914 (2016).

Eman Al-Shehri, Subrata K. Bhukta, Prabir K. Nath, Sunil K. Singh, Afrah Saleh Al-Ajmi

Search and Discovery.com

... the seismic data into the frequency domain via a Discrete Fourier Transform (DFT) . The transformed (phase independent) amplitude spectra are used...

Origin of Patterns of Quartz Sand Types on the Southeastern United States Continental Shelf and Implications on Contemporary Shelf Sedimentation--Fourier Grain Shape Analysis

P. Jeffrey Brown , Robert Ehrlich, Donald J. Colquhoun

Journal of Sedimentary Research (SEPM)

...--Fourier Grain Shape Analysis P. Jeffrey Brown , Robert Ehrlich, Donald J. Colquhoun 1980 Vol. 50 No. 4. (December), Quartz sands in the fine sand range...

Target-Oriented Parameters for Curvature Attributes Computation; #42146 (2017)

Lee Hunt, Bahaa Beshry, Satinder Chopra, Cole Webster

Search and Discovery.com

... along horizontal wells. One of the methods of computing seismic volumetric curvature attribute involves Fourier filtering, and has gained widespread...