Horizontal Drilling Rigs 2010 United States, Phoenix, Arizona24h
Horizontal Drilling Rigs 2009 United States, South Vienna, Ohio7d
Horizontal Drilling Rigs 2013 1,767 h United States, Humble, Texas
Horizontal Drilling Rigs 2012 2,424 h United States, Chehalis, Washington
Horizontal Drilling Rigs 2012 3,082 h United States, Medford, Minnesota