He was elected a member of the U.S. National Academy of Engineering in 2000 for contributions to understanding of complex multicomponent flows in porous media and its applications to the design of enhanced oil recovery processes; and for superb academic leadership.

[3] While at Stanford, he studied abroad at Imperial College in London and was named Rotary Undergraduate Scholar.

He was also tasked with integrating the basic science, applied research and technology development and deployment occurring across the various divisions of the U.S. Department of Energy.

[12] Orr has authored more than 100 journal articles describing significant advances in flow in porous media, enhanced oil recovery, and geological CO2 storage, including: Orr's contributions to research, education and government service have received numerous awards, many of which highlight his passion for problems associated with energy, fuels and sustainability.

In 2000, Orr was appointed to the U.S. National Academy of Engineering; his election citation stated: "For contributions to understanding of complex multicomponent flows in porous media and its applications to the design of enhanced oil recovery processes; and for superb academic leadership.,"Other awards and honors include:[19]