Surface drill rigs 2000 United States, Houston, Texas7d
Surface drill rigs 2003 United States, Houston, Texas7d
Surface drill rigs 2007 6,504 h United States, Houston, Texas7d
Surface drill rigs 2007 5,360 h United States, Houston, Texas7d
Surface drill rigs 2010 8,056 h United States, Chehalis, Washington7d
Surface drill rigs 2006 United States, Chehalis, Washington7d
Surface drill rigs United States, Mifflinburg, Pennsylvania7d
Surface drill rigs United States, Gillette, Wyoming7d
Surface drill rigs 2011 United States, Gillette, Wyoming7d
Surface drill rigs 2012 United States, Gillette, Wyoming7d
Surface drill rigs 1994 6,228 h United States, Daly City, California
Surface drill rigs 2016 United States, Crofton, Maryland
Surface drill rigs 2015 8,757 h United States, Helenwood, Tennessee
Surface drill rigs United States, Gillette, Wyoming
Surface drill rigs United States, Broken Arrow, Oklahoma
Surface drill rigs 1999 2,766 h United States, Butte, Montana
Surface drill rigs 2011 United States, Gillette, Wyoming
Surface drill rigs 2007 United States, Mifflinburg, Pennsylvania