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log acoustique

sonic log

sciences naturelles et appliquées - iate.europa.eu

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Oil reservoir permeability estimation from well logging data using statistical methods (a case study: south pars oil reservoir)... Sonic log, density log, neutron log, resistivity log, photo electric factor log and gamma log, are the logs which effect on permeability....

général - core.ac.uk - PDF: civilejournal.org

Seismic amplitude and facies analysis of inline seismic section 1335 (see fig 2 for location).Gamma ray log (GR, left of wells) and sonic log (right of wells) are used for correlation....

PDF: figshare.com

Upper-crustal seismic velocity heterogeneity as derived from a variety of p-wave sonic logsSonic-log measurements provide detailed 1-D information on the distribution of elastic properties within the upper crystalline crust at scales from about one metre to several ...

PDF: core.ac.uk

Comparison of velocity measurements and estimates for site 889...61.7-130.5 mbsf) is an average velocity obtained from the dif-ference in arrival time of the shallowest sonic log position (after cor-rection of the sonic log to the VSP) and the direct arrival time at the uppermost VSP station

PDF: www-odp.tamu.edu

Instantaneous attributes applied to full waveform sonic log and seismic data in integration of elastic properties of shale gas formations in polandSeismic attributes calculated from full waveform sonic log were proposed as a method that may enhance the interpretation the data acquired at log and seismic scales....

PDF: doaj.org

acoustic log

sciences naturelles et appliquées - iate.europa.eu

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Determination of shear wave velocity and attenuation from waveforms in low velocity formations... In such cases refracted P, leaking modes (PL) and fluid waves become dominant phases on a full waveform acoustic log....

général - core.ac.uk - PDF: dspace.mit.edu

Modelling care of articulation with hmms is dangerous... In this paper, we will explore the use of the acoustic log likelihoods generated by HMM autosegmentation as a measure of these changes in comparison with two phonetically motivated modeling systems based on vocalic F1/F2 ...

PDF: citeseerx.ist.psu.edu

The effect of grain size distributions on acoutic wave velocities in porous rocks... This result also can be used in density and porosity determination by knowing the rock acoustic velocity data which normally can be estimated from acoustic log and seismic data

PDF: eprints.utm.my

Acoustic log prediction on the basis of kernel extreme learning machine for wells in gjh survey, erdos basinIn petroleum exploration, the acoustic log (DT) is popularly used as an estimator to calculate formation porosity, to carry out petrophysical studies, or to participate in geological analysis and research ...

PDF: doaj.org

The full waveform acoustic log inversion problemThis paper presents the full waveform acoustic log inversion problem for amultisource - multireceiver tool logging a cylindrical fluid-filled borehole....

PDF: dspace.mit.edu