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Keywords: spectrum
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 13–15, 2023
Paper Number: URTEC-3867722-MS
... on the frequency shifts of the Rayleigh backscattered spectrum, which is sensitive to temperature and mechanical strain changes. This work uses in-well RFS-based DSS and DTS measurements acquired during a single-stage stimulation. The goal is to quantify the mechanical strain changes by removing the temperature...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3726064-MS
... and fast measurements, which only need a small amount of sample, to evaluate the maturity of organic matter (Beyssac, 2002; Quirico, 2005; Lahfid, 2010; Guedes, 2010; Hinrichs, 2014; Wilkins, 2014). The Raman spectrum of organic matter consists of the disordered (D) band and the graphite (G) band. The G...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-19-MS
... signals from solid matrix can be easily detected in high field. For example, NMR at 600 MHz is about 5,000 times more sensitive than the NMR at 2 MHz. Meanwhile, the spectral resolution of high-field NMR is also greatly increased and high-field NMR spectrum can resolve the detailed differences between...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2903536-MS
... (ASTM D7708) and confocal laser-scanning Raman microscopy. For RM, multiple hyperspectral maps were collected from each sample, resulting in tens of thousands of spectra per sample. Map areas were ~5,000 μm 2 , with a spectrum collected from every square micrometer. The organic carbon G- (Graphitic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2671253-MS
... at this conference. For the Phase-II study, solid bitumen reflectance (B Ro ) values for the Duvernay series will be known. Multiple hyperspectral maps were collected from each Bakken sample, with each map consisting of a single diffraction-limited spot-size spectrum per 1 μm 2 in rectangular areas several hundred...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 24–26, 2017
Paper Number: URTEC-2690272-MS
... alternative is spectroscopy, the deduction of TOC from interactions of light of a certain wavelength with the source rock, which is rapid, non-destructive, and potentially requires minimal sample preparation. In geosciences, two regions of the electromagnetic spectrum are used for quantifying the abundance...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2015
Paper Number: URTEC-2152510-MS
... attenuation attenuation estimation Reservoir Characterization reflectivity sequence localized spectral correction spe-178529-m urtec Upstream Oil & Gas interference synthetic example thin bed estimation Spectral correction Barnett shale seismic reflection data spectrum...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 25–27, 2014
Paper Number: URTEC-1922653-MS
... spectrum thermal maturity spectra drift analysis TOC URTeC: 1922653 Clay Typing, Mineralogy, Kerogen Content and Kerogen Characterization from DRIFTS Analysis of Cuttings or Core Michael M. Herron*, Mary Ellen Loan, Alyssa Charsky, Susan L. Herron, Andrew E. Pomerantz and Marina Polyakov...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 12–14, 2013
Paper Number: URTEC-1619217-MS
... signal and the P-wave spectrum are being repeated with high precision (correlation coefficient >0.95) for shots that are close in time (interval between shots < 10mins) and in space (distance between blasts < 15m). Lower correlation coefficients (<0.3) and spectral differences were observed...

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