Other drilling equipment 2004 United States, Hudson, Colorado
Other drilling equipment United States, Gillette, Wyoming
Other drilling equipment 2002 United States, Gillette, Wyoming
Other drilling equipment 2012 United States, Houston, Texas
Other drilling equipment 2001 United States, Hudson, Colorado
Other drilling equipment United States, Midland, Texas
Other drilling equipment 1,663 h United States, Sedro Woolley, Washington
Other drilling equipment 2013 3,700 h United States, Belleville, Michigan