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Keywords: voxel
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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594787
... voxel Evaluating samples smaller than the representative elementary volume (REV) Eric J. Goldfarb*, Ken Ikeda, and Nicola Tisato; The University of Texas at Austin, Jackson School of Geosciences Summary Since rocks are naturally heterogeneous and their properties can vary spatially, it is important...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594819
...Digital Rock Physics - Estimating the impact of unresolved voxels on elasticity Chaitanya Pradhan* & Nishank Saxena Shell India Markets Pvt Ltd, Shell International Exploration and Production Summary labels, to prepare the image to be fed into numerical simulators. Image segmentation techniques...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215840
... 1 Presentation Type: Poster porosity array elastic property seg international exposition ctnumber voxel numerical simulation elastic property array reservoir characterization segmentation-less approach porosity equation artificial intelligence upstream oil & gas ctimage...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216007
... mapping to represent the high-dimensional attribute data by a lower-dimensional 2D manifold. Each labeled facies provides a probability density function on the manifold that can be compared to the probability density function of each voxel, providing the likelihood that a given voxel is a member of each...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215964
... artificial intelligence well logging dolomite voxel plug calcite porosity McWilliams , J. , 1966 , The role of microstructure in the physical properties of rock, In Testing techniques for rock mechanics : ASTM International . McLachlan , D. S. , M. , Blaszkiewicz , and R. E...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997871
... ABSTRACT Digital rock physics (DRP) is used to estimate physical properties of rocks by means of digital models. Conventional digital rock physics requires very high resolution images, as grains and pores need to be well resolved in order to assign each voxel the properties of an endmember...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998403
... Three-dimensional voxel based magnetic inversion is a well-established and powerful tool for geophysical interpretation. The codes to run these inversions have been available for over twenty years, however for much of that time their use was limited to academic researchers and industry experts...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17792957
... is within 19%. Presentation Date: Wednesday, September 27, 2017 Start Time: 3:55 PM Location: Exhibit Hall C, E-P Station 4 Presentation Type: EPOSTER effective medium theory upstream oil & gas matrix computed tomography voxel digital rock physics critical porosity porosity reservoir...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17794438
...: Tuesday, September 26, 2017 Start Time: 10:35 AM Location: Exhibit Hall C, E-P Station 1 Presentation Type: EPOSTER voxel machine learning seismic amplitude mixture model facies interpretation upstream oil & gas artificial intelligence nem algorithm unsupervised seismic facies...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17789805
... employs segmentation that assigns physical properties to CT imagery voxels. However, segmentation obliterates information leading to a loss of precision in the final result. Segmentation quality improves by scanning the sample at sub-micrometric resolution, but this leads to a trade-off: the scanning...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13947820
... dataset upstream oil & gas voxel experiment reservoir geomechanics physical property rock sample elastic property berea sandstone effective elastic property resolution geoscience annual meeting reservoir characterization segmentation seg seg international exposition boundary...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13773509
... transport property voxel flow in porous media permeability upstream oil & gas sandstone ctscan euler characteristic scale dependency porosity artificial intelligence novosibirsk reservoir characterization seg seg international exposition specific surface area pore space topology annual...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5931401
... a cube of seismic data where each voxel stands as a feature vector (we used three informative features as described below). From the whole cube we take a small fraction of representative voxels to conform a training set T = {(xi, wi where x = (x1, x2, x3); we assume only two classes: w1 and w2...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5909946
... the calculation of the apparent dip and azimuth as the reflector angle and orientation will be determined by the real data. filter result upstream oil & gas reference list voxel algorithm frequency information footprint variation case study attenuated data calculation filter shape bandwidth...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5853108
... reservoir characterization scan line stress drop microseismic data orientation fracture characterization stimulation fault plane zoback voxel damage zone fault damage zone upstream oil & gas hydraulic fracturing norm direction decay geophysical research solid earth azimuth microseismic...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-1382
... clustering procedure to create various distinct datasets of clusters. Each voxel is represented by a set of cluster labels, minimizing the interference of noise and uncertainties naturally present in the seismic data. The method finds the global structure of lateral amplitude reflections. It is capable...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-1615
... interference. Thereafter, we use an algorithm to compute the MSA for each voxel in the volume. This is done by applying an auto-adaptable function that uses the voxel neighboring information. The MSA measurement globally highlights the fault regions presented in the original volume. To validate the proposed...
Proceedings Papers

Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-1014
... ABSTRACT Delineating salt is an inherently difficult problem. Currently, there are several methods to detecting salt bodies in seismic. However, the result and volumes are often noisy, and are therefore hard to use for voxel based segmentation interpretation. We present a new method of using...
Proceedings Papers

Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-1271
... SUMMARY Seismic interpretation today includes picking seismic horizon surfaces or, more generally, the boundary between geologic bodies. A more efficient and useful approach may be to directly interpret those geologic bodies as 3D volumes. We do this by painting voxels in 3D seismic images...
Proceedings Papers

Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-1711
... reservoir characterization calculation material property porosity moduli linear elastic property voxel effective medium theory contact moduli granular rock sandstone knackstedt garboczi contact porosity cc 0 grain contact reservoir geomechanics sheppard well logging upstream oil & gas...

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