U.S. oil shale rig count continues to drop

U.S. oil shale rig count continues to drop

The number of active oil rigs in the United States fell by 4 to 172, Baker Hughes reported today. That's the lowest level since 2005 in the days before the U.S. oil shale boom. The news is likely to get worse for U.S. producers and oil service companies. The number of...