Imports In 1995, Turkmenistan imported $2.08k in Bituminous or oil shale and tar sands, becoming the 0th largest importer of Bituminous or oil shale and tar sands in the world. At the same year, Bituminous or oil shale and tar sands was the 0th most imported product in Turkmenistan. Turkmenistan imports Bituminous or oil shale and tar sands primarily from: N/A.