... geologist co 2 canada government prediction applied geoscience equation exploration geophysicist university elastic moduli baseline international american association saturation inversion macbeth kristopher innanen dept geological subdiscipline position gassmann geophysics time-lapse fwi...

... upstream oil & gas log analysis elastic stiffness hudson well logging stiffness texture anisotropy template reservoir characterization international elastic moduli geophysical research exploration geophysicist cd 0 structural geology american association reservoir...

... to predict effective elastic moduli phases in the sample (pore and multiple minerals). Here we that are significantly stiffer than laboratory measurements refer to these as conventional Digital Rock workflows. (Andrä et al., 2013; Saxena et al., 2019). This behavior can Figure 1 shows an overview...

..., organic-matter pores) in shale minerals and pores were constructed. By comparing the samples on electrical and elastic parameters of mudrocks. In resistivity and elastic moduli of all models, it is concluded their study, the hybrid modeling method combines the that the volume fractions of clay minerals...

... in the velocities measured. It is also difficult to surface. The changing elastic properties of the source rock experimentally measure the elastic moduli of kerogen that accompanies this geochemical transformation presents (Ahmadov et al. 2009; Yan and Han 2013), especially its a challenge for modeling rock...

...The overestimated elastic moduli from digital rock images: computational reasons Jiabin Liang*, Stanislav Glubokovskikh, Boris Gurevich, Maxim Lebedev and Stephanie Vialle, Curtin University Summary rock volume is subdivided into small homogeneous elements. In this process, we approximate the true...

...: 3:05 PM Location: 305 Presentation Type: Oral annual meeting frictional elastic moduli static bulk moduli different porosity porosity dynamic moduli static moduli peak stress seg international exposition deviatoric stress load-unload cycle tight sandstone reservoir...

... frequency-domain seismic wave upstream oil & gas elastic moduli seg international exposition Bécache , E. , S. , Fauqueux , and P. , Joly , 2003 , Stability of perfectly matched layers, group velocities and anisotropic waves : Journal of Computational Physics , 188...

... to relate the maximum platelet pole density to the median orientation angle . We then propose a heuristic approach to model anisotropic elastic moduli and P- and S-wave velocities of zero-porosity clay (matrix) aggregates as a function of the median orientation angle. Presentation Date: Tuesday, September...

... mechanics. Revisiting this theoretical foundation, we discuss connections among existing theories that describe the variation of elastic moduli with effective stress. We show that there is a direct connection between predicting stress-induced elastic changes with the well known third-order elasticity tensor...

... AM Location: Poster Station 16 Presentation Type: Poster slowness vector seg international exposition reservoir characterization walkaway vsp horizontal well upstream oil & gas elastic moduli artificial intelligence anisotropy estimation vertical slowness vti medium vti...

... log analysis fracture multiple crack shear moduli elastic moduli tang geophysics aspect ratio geophysical research Adelinet , M. , C. Dorbath , M. Le Ravalec , J. Fortin , and Y. Guéguen , 2011 , Deriving microstructure and fluid state within...

... properties and the expectation is that, in the future, hysteresis phenomena can be considered on reservoir deployment monitoring. Presentation Date: Tuesday, October 16, 2018 Start Time: 1:50:00 PM Location: 202A (Anaheim Convention Center) Presentation Type: Oral elastic moduli annual meeting...

... to compressive strength (Ci/CP and Cd/Cp). They are analyzed by comparing with elastic moduli and rock brittleness. Based on the measured data, we have built several correlations to describe how the key mechanical parameters relate to elastic moduli and brittleness. The results indicate Ci and Cd show positive...

... ABSTRACT We propose a quasi-static finite difference method for calculating the effective elastic moduli of digital rock models. The effective elastic moduli of a model are derived from a system of equations that are established based on Hooke’s law, which relates the prescribed stresses...

... by 2 / ijkl i j k lk c n n g g c , (10) where c is the phase velocity of the seismic wave, cijkl and are the fourth-order elastic moduli and density of medium, n=(n1, n2, n3) and g=(g1, g2, g3) are wave slowness and polarization vectors. To make the wavenumber take on a complex value, simply...

... upstream oil & gas cement model moduli p-wave velocity log analysis lower wilcox sandstone sand model porosity bulk density annual meeting seg international exposition dvorkin elastic moduli transition zone well logging avseth compaction reservoir characterization gulf...

...: Tuesday, September 26, 2017 Start Time: 3:55 PM Location: Exhibit Hall C, E-P Station 4 Presentation Type: EPOSTER elastic property shaly sand mineralogy annual meeting reservoir characterization elastic moduli upstream oil & gas moduli dvorkin rock physics model seg seg...

... the changes in porosity, bulk density, elastic moduli and wave propagation velocities between mid-Jurassic sandstones in the North Sea and the Norwegian Sea. Mechanical compaction and quartz cementation models are used together with rock physics diagnostics to describe these changes. Presentation Date...

... by the inhomogeneous structure of the digital rock sample by setting two different models. With the time-delay one can estimate the effective velocity and therefore also the corresponding elastic moduli. Additionally, we demonstrate that numerical simulated results agree well with the experimental results...