World Oil December 2019 Can a major war be won? (World Oil, May 2019) World Oil October 2018 World Oil October 2016 World Oil February 2016 World Oil Cover 1984 Drilling Contractor January/February 2019 Drilling Contractor November/December 2018 Drilling Contractor May/June 2017 Drilling Contractor July/August 2016 Drilling Contractor March/April 2016 Drilling Contractor January/February 2016 Drilling Contractor July/August 2015 Drilling Contractor May/June 2014 Drilling Contractor January/February 2014 Drilling Contractor March/April 2013 Drilling Contractor January/February 2013 Drilling Contractor May/June 2009 Drilling Contractor November/December 2008 Drilling Contractor August 1984 Cover Drilling Magazine 1983 The Journal Record 2014 Tulsa's Fast 40 American Oil & Gas Reporter April 2019 The American Oil & Gas Reporter May 2016 The American Oil & Gas Reporter April 2014 The American Oil & Gas Reporter January 2013 The American Oil & Gas Reporter April 2012 The American Oil & Gas Reporter March 2010 Platts RigData Rigs & Drillers Sourcebook 2017 Platts Analytics Dir. of Oil & Gas Operators April 2017 Oil & Gas Monthly August 2014 Oil & Gas Investor 2014 The Land Rig 2013 Rigs & Drillers Cover 2013 Inc. Magazine 2009 Inc. Magazine 2008