Selected Publications

Proceedings of Conferences

Michelena, R.J., Godbey, K.S., Uland, M.J., and Rodrigues, P.E., 2020, "Petrophysical multimineral analysis using genetic optimization to solve complex mineral composition in unconventional reservoirs":  SEG Technical Program Expanded Abstract, 2459-2463.

Michelena, R.J., Wang, H., and Gilman, J.R., 2020, "Quick Evaluation for Optimal Recovery in Unconventional Reservoirs": Unconventional Reservoir Technology Conference URTeC 1341.

 

Michelena, R.J., Gilman, J.R., and Zahm, C.K., 2018, “Seismic, geologic, geomechanics, and dynamic constraints in flow models of fractured reservoirs”: SEG Technical Program Expanded Abstract, 3231-3235.

 

Michelena, R.J., Angola, O., G., and Godbey, K.S., 2016, “Facies modeling in unconventional reservoirs using seismic derived facies probabilities”: SEG Technical Program Expanded Abstract, 2866-2870.

 

Gilman, J.R., Uland, M., Angola, O., Michelena, R., Meng, H., Esler, K., Mukundakrishnan, K., and Natoli, V.: 2015, “Unconventional Reservoir Model Predictions Using Massively-Parallel GPU Flow-Simulation: Part-1 Bakken Reservoir Characterization Choices and Parameter Testing”: Unconventional Reservoir Technology Conference URTeC 2153938.

 

Michelena, R.J., Meng, H. Z., Godbey, K. S., 2014, “Flow simulation models for unconventional reservoirs: the role of seismic data”: SEG Technical Program Expanded Abstract, 4427- 4431.

 

Michelena, R.J., Godbey, K.S., Wang, H., Gilman, J.R., and Zahm, C.K., 2013, “Estimation of dispersion in orientations of natural fractures from seismic data: application to discrete fracture network modeling”: Unconventional Resources Technology Conference, Denver, Colorado, 1874-1883.

 

Michelena, R.J., Godbey, K.S. and Rodrigues, P.E., 2010, Facies probabilities from multidimensional crossplot of seismic attributes: SEG Technical Program Expanded Abstract, 1377-1381.

 

Guliyev, E., and Michelena, R.J., 2010, Inversion of converted PS data in the poststack domain for shear impedance: SEG Technical Program Expanded Abstract, 2789-2793.

 

Mesa, R.G., Davis, T.L., and Michelena, 2008, R.J.,Time-Lapse Vp/Vs analysis for pressure mapping, Rulison Field, Colorado: SEG Technical Program Expanded Abstract, 1560-1564.

 

Rojas, E., Davis, T.L., Batzle, M., Prasad, M., and Michelena, R.J., 2005, Vp-Vs ratio sensitivity to pressure, fluid and lithology changes in tight gas sandstones: SEG Technical Program Expanded Abstract, 1401-1404.

 

Gonzalez, E.F., Mukerji, T., Mavko, G., and Michelena, R.J., 2003, Far offset P-to-S “elastic impedance” for lithology and partial gas saturation (fizz water) identification: application with well logs: SEG Technical Program Expanded Abstract, 1446-1449.

 

Michelena, R. and Jimenez, J., 2001, Estimation of petrophysical properties using multiple attributes: perturbing linear regressions, SEG Technical Program Expanded Abstract, 1560- 1563.

 

Banchs, R., and Michelena, R.J., 2000, Well log estimates and confidence intervals by using artificial neural networks: SEG Technical Program Expanded Abstract, 1430-1432.

 

Valenciano, A., and Michelena, R.J., 2000, Stratigraphic inversion of post-stack PS converted waves data: SEG Technical Program Expanded Abstract, 150-153.

 

Jiménez, J.R., Peinado, A., and Michelena, R.J., 1999, Facies recognition using wavelet based fractal analysis on compressed seismic data: SEG Technical Program Expanded Abstract, 1922-1925.

 

D’Agosto, C., Donati, M.S., and Michelena, R.J.,1998, Tomography + pre-stack depth migration of P-S converted waves: SEG Technical Program Expanded Abstract, 1361-1364.

 

Contreras, P., Klíe, H., and Michelena, R.J., 1998, Estimation of elastic constants from ellipsoidal velocities in orthorhombic media: SEG Technical Program Expanded Abstract, 1491-1494.

 

Capello de P., M., González, E., and Michelena, R.J., 1997, Carbonate reservoirs and seismic attributes: How far can they go together? SEG Technical Program Expanded Abstract, 696- 699.

Capello, M., Michelena, R., González, E., Peinado, A., Araujo, M., Tizón, F, 1997, Use of seismic attributes at Lake Maracaibo to reduce exploratory risk: Offshore Technology Conference OTC 8276, 67-73.

 

D’Agosto, C. and Michelena, R.J., 1997, Tomographic estimation of compressional and shear wave velocities from P-S converted waves: SEG Technical Program Expanded Abstract, 1885-1888.

 

González, E., Capello de P., M. and Michelena, R.J., 1997, Use of similarity maps to summarize seismic attributes: Two case histories: SEG Technical Program Expanded Abstract, 2034- 2037.

 

Sierra, J., Michelena, R.J., and Ata, E., 1995, Effects of binning parameters on lateral and vertical resolution of P-S converted waves: Proceedings of the IV Congresso International Da Sociedade Brasileira de Geofísica, 382-385.

 

Vásquez, C. and Michelena, R.J., 1995, VSP-CDP transform in anisotropic media: Proceedings of the IV Congresso Internacional Da Sociedade Brasileira de Geofísica, 150-153.

 

Michelena, R.J., 1995, Quantifying errors in fracture orientation estimated from surface P-S converted waves: SEG Technical Program Expanded Abstract, 282-285.

 

Michelena, R.J., Ata, E., and Sierra, J., 1994, Exploiting P-S converted waves: Part 1, modeling the effects of anisotropy and heterogeneities: SEG Technical Program Expanded Abstract, 236-239.

 

Ata, E., Michelena, R.J., González, M., Cerquone, H., and Martin, C., 1994, Exploiting P-S converted waves: Part 2, application to a fractured reservoir: SEG Technical Program Expanded Abstract, 240-243.

 

Harris, J.M., Dahlhaus, L., and Michelena, R.J., 1994, P-wave anisotropy in shales from crosswell data: SEG Technical Program Expanded Abstract, 1125-1128.

 

Michelena, R.J., Harris, J., and Muir, F., 1993, Tomographic estimation of elastic constants in heterogeneous transversely isotropic media: SEG Technical Program Expanded Abstract, 630-633.

 

Michelena, R.J., 1992, Traveltime tomography in azimuthally anisotropic media: SEG Technical Program Expanded Abstract, 757-761.

 

Harris, J.M., Lazaratos, S., and Michelena, R.J., 1990, Tomographic string inversion: SEG Technical Program Expanded Abstract, 82-85.

 

Michelena, R.J. and Harris, J.M., 1990, Tomographic traveltime inversion using natural pixels: SEG Technical Program Expanded Abstract, 78-81.

 

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