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The AAPG/Datapages Combined Publications Database
Showing 1,541 Results. Searched 200,630 documents.
Three-Dimensional Depth Imaging of Seismic Data, with Examples from the Overthrust Belt of Southwestern Wyoming
Alvin K. Benson
Wyoming Geological Association
.... 34-56. Stolt, R.H., 1978, Migration by Fourier transform: Geophysics, v. 43, p. 23-48. Stolt, R.H., and A.K. Benson, 1986, Seismic migration: Theory...
1995
Low-Frequency De-Ghosting Method to Enhance Basement Layer Continuity Image in Foxtrot South East Area, North West Java Sea
Ryan Bobby Andika, Hudzaifah, Deny Martian, Nurudin Mahmud, Sri Sadono
Indonesian Petroleum Association
.... ๐ ๐ท๐บ (๐ฅ, ๐ฆ, ๐ค, ๐ง) = ๐น(๐๐ฅ, ๐๐ฆ, ๐, ๐ง)๐(๐ฅ, ๐ฆ, ๐ค, ๐ง) Because of, in principle, the above filter equation being the 2D inverse Fourier transform of the ghost signal...
2019
Unlocking Value from Vintage Seismic Processing - Pre-stack Conditioning and Inversion in the Eagle Ford Shale
Andrew Munoz, Bill Shea
Unconventional Resources Technology Conference (URTEC)
.... As seen in Figure 2, these filters remove a significant amount of noise. The radon transform changes the offset gather into the rayparameter domain...
2020
Evaluation of Huff-n-Puff in Shale Using Experiments and Molecular Simulation
Sidi Mamoudou, Felipe Perez, Ali Tinni, Son Dang, Carl H. Sondergeld, Chandra S. Rai, Deepak Devegowda
Unconventional Resources Technology Conference (URTEC)
... a foot apart. TOC was measured using LECO instrument and the mineralogy was based on transmission Fourier transform infrared spectroscopy (FTIR...
2020
First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology
Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda
Indonesian Petroleum Association
...). The MDF is part of the F-K dip filter, which uses a 2D Fourier transform to remove certain types of correlated noise recorded with different dips...
2023
Identification of Hydrocarbon Seeps by Hyperspectral Remote Sensing
W. S. Duncan, Ronald W. Capps
GCAGS Transactions
..., Summitville area, southwestern Colorado: JPL Publication 97-21 v.2, p. 85-96. Mosley, R. M., R. R. Williams, 1994, Fourier transform near infrared...
2000
Experimental Study of Hydrocarbon Vaporization for EOR Applications in Shales
Judah Odiachi, Felipe Cruz, Ali Tinni
Unconventional Resources Technology Conference (URTEC)
... References Ballard, Bryce D. 2007. Quantitative Mineralogy of Reservoir Rocks Using Fourier Transform Infrared Spectroscopy. Presented at the SPE Annual...
2021
Unconventional Reservoir Flow Assessment Using Spectral Acoustics and Numerical Temperature Modelling
Maxim Volkov, Vener Nagimov, Samuel Avilez, Dmitriy Lazutkin, Mikhail Khachaturyan, Artem Prodan
Unconventional Resources Technology Conference (URTEC)
..., the data is collected from 8 different points in one station. The acoustic waveforms are transformed into the spectral data using Fast Fourier Transform...
2022
Chapter 9: Microstructure and Anisotropy in Gas Shales
Carl H. Sondergeld, Chandra S. Rai, Mark E. Curtis
AAPG Special Volumes
... averaging measurements such as x-ray diffraction, Fourier Transform Infrared Spectroscopy (FTIR), Nuclear Magnetic Resonance (NMR), capillary pressure...
2013
Experimental Observation of Diffusion as the Main Drive Mechanism in Unconventional Shales
Son Dang, Sidi Mamoudou, Chandra Rai, Carl Sondergeld
Unconventional Resources Technology Conference (URTEC)
... liquidfilled porosity, (2) TOC measured with a LECOยฎ instrument, and (3) mineralogy is measured by transmission Fourier Transform Infrared spectroscopy...
2023
Effects of CO2 Exposure on Unconventional Reservoir Rock Microstructure
Mark Curtis, Sidi Mamoudou, Felipe Cruz, Son T. Dang, Chandra Rai, Deepak Devegowda
Unconventional Resources Technology Conference (URTEC)
.... Mineralogical characterization was performed by Fourier Transform Infrared (FTIR) spectroscopy. In addition, Youngโs modulus of each sample was determined...
2023
Determination of Geomechanical Parameters from Geophysical Logs: Section IV. Exploration Methods
M. B. Dusseault
AAPG Special Volumes
.... Other measures of potential interest are: peak amplitude ratios of P- and S-waves; signal spectral density signatures (Fourier transform analysis...
1987
Orbital Forcing of Organic-Rich Deposits Formation: Record of the Coniacian-Santonian OAE3 (La Luna Formation, San Miguel River Section, Venezuela); #90017 (2003)
Olga Rey, Maria Antonieta Lorente, Toni (JA) Simo
Search and Discovery.com
... and total organic carbon content. The spectral method applied was the Fast Fourier Transform (FFT) using the algorithms of Pardo-Igรบsquiza et al.(1994...
2003
Abstract: An Initial Evaluation of Some Biogeochemical-engineering Routes to Carbon Management; #90172 (2014)
Steve Larter, Ian Gates, Jennifer Adams, Ian Head
Search and Discovery.com
... degradation of seeped oil. Recent advances in Fourier Transform Mass Spectrometry (FTMS) suggest that functionalized polycyclic aromatic species may dominate...
2014
Abstract: Robust Singular Spectrum Analysis for Erratic Noise Attenuation; #90187 (2014)
Ke Chen and Mauricio D. Sacchi
Search and Discovery.com
... in a leastin f -x domain after the Fourier transform. This results in the frequency domain spatial squares sense. The latter leads to a suboptimal...
2014
Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015)
Langqiu Sun
Search and Discovery.com
..., separately) with a narrow window moving along this trace, apply Fourier transform to each part of the waveform, pick the time points with maximum...
2015
Identification and Prediction of the High Heterogeneous Channel Sand in Southern Turgay Basin; #10515 (2013)
Yueying Hong, Hongmei Wang, Wenyuan Tian, and Aling Mo
Search and Discovery.com
... from time domain into frequency domain to obtain amplitude spectrum and phase spectrum-tuning cube through short time window Discrete Fourier Transform...
2013
Fractured Volcanic Reservoir Characterization: A Case Study in the Deep Songliao Basin,#10584 (2014)
Desheng Sun, Ling Yun, Gao Jun, Xiaoyu Xi, Jixiang Lin
Search and Discovery.com
... different frequency bands. Discrete frequency curvature is a method that uses curvature data and the discrete Fourier transform (DFT) to detect fractured...
2014
Dual Porosity, Dual Permeability Modeling of Carbonate Reservoir with Integration of Fracture Characterization, #20366 (2016).
Hugo Caetano, Reza Iskandar, Sahid Sutanto, Elena Niculescu, Magdy Hozayen, Umer Farooq, Vincent de Groen, Solenne Roosz and Ghislain de Joussineau
Search and Discovery.com
... method (Fast Fourier Transform โ Moving Average) Variogram Range X based on: Electrofacies โ Well upscaled porosity as conditioning data โ Distribution...
2016
The Triangle Zone of the Argentine Precordillera: Insights From the Integration of Geological and Geophysical Data; #30445 (2016)
Pablo Giampaoli, Federico G. Spath
Search and Discovery.com
...) Spectral analysis of temporal series with Fast Fourier Transform. 3) Computation of apparent resistivity and impedance phase curves with galvanic...
2016
Regional Groundwater Studies Using Aeromagnetic Technique; #41948 (2016)
E. S. Joel, P. I. Olasehinde, D. K. De, O. Maxwell
Search and Discovery.com
... computation, and wave number domain using fast Fourier transform is used for vertical gradient computation (Al-Garni, 2010). The analytical signal...
2016
lastic/Evaporitic Interactions in Arid Continental Settings: Implications for Reservoir Characterization and Modelling, #51527 (2018).
Ross Pettigrew, Stuart Clarke, Phil Richards, Antoni Milodowski
Search and Discovery.com
... measurements, climatic cyclicity has been interpreted. Further work will apply gamma-ray results to provide quantitative values which can be used for Fourier...
2018
Thermally - Induced Fractures in Coal, Balingian Province, Sarawak, Malaysia; #80674 (2019)
Yasir Ali Ibrahim, Eswaran Padmanabhan
Search and Discovery.com
... the sample whereas, sulfur is slightly concentrated at the fracture surface. Chemical characterization of the coal samples using Fourier Transform...
2019
A Vertical Pattern of Variation in the St. Peter Sandstone--Fourier Grain Shape Analysis
James M. Mazzullo, Robert Ehrlich
Journal of Sedimentary Research (SEPM)
...A Vertical Pattern of Variation in the St. Peter Sandstone--Fourier Grain Shape Analysis James M. Mazzullo, Robert Ehrlich 1980 Vol. 50 No. 1. (March...
1980
Drilling Fluid Waste Treatment Using Polysaccharide-Grafted Copolymers
K. K. Chandan, G. P. Karmakar
Australian Petroleum Production & Exploration Association (APPEA) Journal
...) was varied from 0 to 80. Drilling ๏ฌuid waste treatment using polysaccharide-grafted copolymers Fourier-transform infrared (FTIR) spectroscopy FTIR spectra...
2019