University of Calgary – TechConnect Briefs

Asphaltene processing with suspended nanocatalyst. Relevance to in situ upgrading

Isquierdo F., Pereira-Almao P., Scott C.E., University of Calgary, CA

Hot fluid injection is a patented process developed at the University of Calgary by a group of researchers at the Schulich School of Engineering. It focuses on reducing the environmental footprint of heavy oil production [...]

Design and Application of Novel Nano Drilling Fluids to Mitigate Circulation Loss Problems during Oil Well Drilling Operations

Mostafavi V., Ferdous M.Z., Hareland G., Husein M., University of Calgary, CA

Nano-fluids have recently attracted attention in the petroleum industry as potential solutions to several shortcomings of conventional drilling fluids. Drilling fluid is in charge of numerous functions during the drilling operation including transport of cuttings [...]

Design and Application of Novel Nano Drilling Fluids to Mitigate Circulation Loss Problems during Oil Well Drilling Operations

Mostafavi V., Ferdous M.Z., Hareland G., Husein M., University of Calgary, CA

Nano-fluids have recently attracted attention in the petroleum industry as potential solutions to several shortcomings of conventional drilling fluids. Drilling fluid is in charge of numerous functions during the drilling operation including transport of cuttings [...]

The concept of a representative atomic volume for a grain

Gubanov A., Vinogradov O., University of Calgary, CA

The approach in this project is to identify a Representative Atomic Volume (RAV) for a polycrystal grain, namely such grain sizes that the stress-strain relationship remains the same if the number of grains is fixed [...]

Tribological studies of conventional microcrystalline and engineered near-nanocrystalline WC-17Co HVOF coatings

Saha G., Mateen A., Khan T., University of Calgary, CA

Tungsten carbide based cermet composite coatings possess the unique surface protection properties enabling their increasing use in the oil sands industry to combat severe sliding and high stress abrasion wear and other types of slurry [...]

Biochip for minimally invasive blood glucose monitoring

Zhang P., Ahmadi M.M., Jullien G.A., University of Calgary, CA

The most common techniques for blood glucose sensing are based on enzymatic glucose oxidation techniques because of being highly sensitive and specific to the glucose. But, the techniques need oxygen environment and the measurement accuracy [...]

New Type of High Sensitive Detection of Particles Based on DeFET

Ibrahim M.F., Elsayed F., Ghallab Y.H., Badawy W., University of Calgary, CA

This research work presents a new implementation of the CMOS electric-field sensor, titled as Differential Electric Field Sensitive Field Effect Transistor (DeFET). The DeFET is successfully used in detection of small partials and it is [...]

Modeling and simulation of a monolithic self-actuated microsystem for fluid sampling and drug delivery

Zhang P., Jullien G.A., University of Calgary, CA

A novel MEMS-based microsystem including microneedle array with a self-actuated structure for fluid sampling and drug delivery is modeled, designed and simulated. The self-actuating mechanism and the microneedle array are able to be fabricated on [...]

New Type of High Sensitive Detection of Particles Based on DeFET

Ibrahim M.F., Elsayed F., Ghallab Y.H., Badawy W., University of Calgary, CA

This research work presents a new implementation of the CMOS electric-field sensor, titled as Differential Electric Field Sensitive Field Effect Transistor (DeFET). The DeFET is successfully used in detection of small partials and it is [...]

Geometrical Effects in Mechanical Characterizing of Microneedle for Biomedical Applications

Aggarwal P., Johnston C., University of Calgary, CA

This paper discusses the design and implementation of MEMS microneedle with emphasis on integrated functionality for sensing the forces. The idea is based on the requirements of strength, robustness, and minimal insertion pain and tissue [...]