The USV Challenger will be remotely controlled from shore and will be equipped with multiple autonomous features.

This paper presents a fundamental research study with the main objective of building a mechanistic numerical model that captures the important mechanisms of polymer flooding through various mechanistic equations using a combined reservoir flow and geochemical numerical simulator.

The National Institute for Occupational Safety and Health and its predecessor, the US Bureau of Mines, have significantly contributed to enhancing the safety of miners and to applying new technologies to the mining industry.