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The Subsurface Integrity and Mechanics Exploration Group (SIMEG) is an integral component of the Carbon Science Initiative (CSI), under the leadership of Professor Brian McPherson , and is a key part of the Energy & Geoscience Institute (EGI), guided by Professor Milind Deo, aligning its research endeavors with the institute's broader objectives.

Facilities

The University of Utah boasts a LEED Gold certified Center for High Performance Computing (CHPC) Data Center, a cutting-edge facility catering to both enterprise computing and high-level research computing. This center is integral to the University, supporting the computational and Big Data needs of both the University of Utah and Utah State University. It features a fully redundant campus backbone network, which is essential for the University’s administrative, academic, and research activities, as well as supporting the University of Utah Hospital and Clinic infrastructure.

The university’s NanoFab laboratory is equipped with advanced FEI Quanta and Helios scanning electron microscopes (SEMs), complete with energy dispersive spectrometers (EDS). These tools are adept at creating detailed gigapan microphotographs through image stitching, enabling intricate 2-D pore characterization. This includes analyzing pore types, size distributions, and the diagenetic impact on matrix porosity at the nano-scale. The EDS is particularly useful for elemental mapping to pinpoint mineral compositions and organics.

Enhanced Analysis of Little Cottonwood Granite at the Nanoscale: Post-Shear Fracture Surface Evolution. Utilizing the NanoFab optical profilometer, we conduct detailed scans of fracture surfaces in Little Cottonwood Granite. Julia Gallas compared pre and post-fracture surface alterations to gain insights into the nanoscale dynamics of fracture development.

Furthermore, the Carbon Science Initiative (CSI) at the EGI houses a state-of-the-art TerraTek(™) triaxial load frame. This equipment is designed to simulate complex, high-pressure, multiphase flow conditions and geomechanics of deep subsurface environments. It features high-pressure pumps that can exert confining pressure and multiphase fluid flow up to 69 MPa (10,000 PSI), while the axial frame and piston can apply stresses exceeding 440,000 Newtons (100,000 pounds force). An encompassing hot air bath, capable of reaching 100 °C, is used to maintain in-situ conditions during experiments.

TerraTek(™) triaxial load frame