RBC I In a surprise move, Shell Oil announced last week that it will be shutting down its research and development in the upper Piceance Basin area of Rio Blanco County, southeast of Rangely.
Shell now joins Chevron, which also received a research and development lease from the Bureau of Land Management in Rio Blanco County and which decided in 2012 to divest itself of that lease, in wanting instead to focus on other interests.

