Halliburton Energy Services, Inc.

Santiago Gabriel Drexler

Jonas Toelke

Rafael March Castaneda Neto

Naum Derzhi

Xiaobo Nie

Gabriela Alexandra Davalos

Milena Ferreira De Siqueira Lima

A method includes imaging, at an imaging resolution, a core of a subsurface formation to create a core image and iteratively performing the following operations until a defined feature of a rock of the subsurface formation exceeds a viewable image feature threshold: extracting a number of subsamples from the core for a first iteration and from each of the number of subsamples previously extracted for a subsequent iteration; increasing the imaging resolution; and imaging each subsample. The method includes performing the following operations for the subsamples last extracted: determining at least one formation property characteristic; determining a guiding rock property for each voxel of the core image and the number of subsample images; and determining a subsample that is a shortest distance to the voxel based on the number of guiding rock properties; and mapping, for each voxel, the at least one formation property characteristic that is the shortest distance.

Upscaling of formation petrophysical characteristics to a whole core scale

A method is provided. Cells of a digital model of a formation are classified corresponding with one or more classes based on minerals and/or pore sizes. Wettability of the formation in the digital model is calibrated based on imbibition and/or drainage curves from physical experimentation for a rock sample and the one or more classes of the cells of the digital model.

System and method to calibrate digital rock wettability

Growing community of inventors

Rio de Jainero, Brazil

Santiago Gabriel Drexler