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<identifier>oai:HAL:hal-00496425v1</identifier>
<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Wavelet based multiscale analysis of geophysical downhole measurements: Application to a clayey siliclastic sequence</title>
<creator>Briqueu, Louis</creator>
<creator>Zaourar, N.</creator>
<creator>Leredde, Christine</creator>
<creator>Hamoudi, M.</creator>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Université d'Alger ; Université d'Alger</contributor>
<description>International audience</description>
<source>ISSN: 0920-4105</source>
<source>Journal of Petroleum Science and Engineering</source>
<publisher>Elsevier</publisher>
<identifier>hal-00496425</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00496425</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00496425</source>
<source>Journal of Petroleum Science and Engineering, Elsevier, 2010, 71 (3-4), pp.112-120. 〈10.1016/j.petrol.2009.11.001〉</source>
<identifier>DOI : 10.1016/j.petrol.2009.11.001</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.petrol.2009.11.001</relation>
<language>en</language>
<subject lang=en>Borehole geophysics</subject>
<subject lang=en>Spectral exponent</subject>
<subject lang=en>Scaling behaviour</subject>
<subject lang=en>Wavelet analysis</subject>
<subject>[SDU.STU.GP] Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph]</subject>
<subject>[PHYS.PHYS.PHYS-GEO-PH] Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph]</subject>
<subject>[SDE.MCG] Environmental Sciences/Global Changes</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>In order to reveal the structural properties at small scale within a geological unit apparently homogeneous at large scale, we explore the stochastic components of petrophysical measurements recorded in a borehole drilled through the Cretaceous siliclastic units of the South-eastern Basin of France. First, we analyse the instantaneous fluctuations of gamma ray log measurements searching for scaling laws in its power spectrum. Power spectra indicate a scaling behaviour with average exponent beta a values mostly falling in the range 1</description>
<date>2010</date>
</dc>
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