Phase analysis of signal in attenuation measurement
2nd SEG Rock Physics Workshop: Challenges in Deep and Unconventional Oil/Gas Exploration, Qingdao, China, 25–27 October 2019(2020)
摘要
PreviousNext No Access2nd SEG Rock Physics Workshop: Challenges in Deep and Unconventional Oil/Gas Exploration, Qingdao, China, 25–27 October 2019Phase analysis of signal in attenuation measurementAuthors: Zeng HuZou Guan-GuiShe Jia-ShengHen-Geul YehZeng HuChina University of Mining and Technology, College of Geoscience and Surveying EngineeringChina University of Mining and Technology, State Key Laboratory of Coal Resources and Safety MiningSearch for more papers by this author, Zou Guan-GuiChina University of Mining and Technology, College of Geoscience and Surveying EngineeringChina University of Mining and Technology, State Key Laboratory of Coal Resources and Safety MiningSearch for more papers by this author, She Jia-ShengChina University of Mining and Technology, College of Geoscience and Surveying EngineeringChina University of Mining and Technology, State Key Laboratory of Coal Resources and Safety MiningSearch for more papers by this author, and Hen-Geul YehCalifornia State UniversitySearch for more papers by this authorhttps://doi.org/10.1190/rpwk2019-004.1 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Attenuation has a wide range of applications in the field of seismic exploration. Based on the analysis of the influencing factors of the attenuation measurement, the relationship between the sampling frequency of the attenuation measurement system and the system accuracy, sampling frequency and system measurement range is determined. Under the premise of ensuring the accuracy of the system, the sampling frequency is selected by the vibration frequency. Utilizing the linear phase characteristics of the finite impulse response (FIR) filter, analyze the effect of FIR filter on signal phase, the results show that FIR filter can eliminate DC bias and noise at the same time, and does not affect the phase characteristics of the signal. Keywords: attenuation, sampling, sandstone, quality factor, phasePermalink: https://doi.org/10.1190/rpwk2019-004.1FiguresReferencesRelatedDetails 2nd SEG Rock Physics Workshop: Challenges in Deep and Unconventional Oil/Gas Exploration, Qingdao, China, 25–27 October 2019ISSN (online):2159-6832Copyright: 2020 Pages: 58 publication data© 2019 Published in electronic format with permission by the Society of Exploration Geophysicists, China University of Petroleum (East China), Hohai UniversityPublisher:Society of Exploration Geophysicists HistoryPublished Online: 14 Apr 2020 CITATION INFORMATION Zeng Hu, Zou Guan-Gui, She Jia-Sheng, and Hen-Geul Yeh, (2020), "Phase analysis of signal in attenuation measurement," SEG Global Meeting Abstracts : 4-4. https://doi.org/10.1190/rpwk2019-004.1 Plain-Language Summary Keywordsattenuationsamplingsandstonequality factorphasePDF DownloadLoading ...
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phase analysis,signal,measurement
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