Save for later Print Download Share today releases its annual ranking of the world's 100 largest oil and gas companies, the only ranking system that compares private sector firms with national oil companies. The is an in-depth company analysis that ranks six key operational metrics together with 70 additional parameters of company performance.Here are some of the key findings from the 2014 ranking:National Oil Companies (NOCs) outnumber International Oil Companies (IOCs) in the Top 10 for the first time in 13 years tightened its already firm hold on the number one spot for the 26th consecutive yearChina's climbs to No. 3, knocking from the spot it has held for the past seven years has surged into the Top 10 through its acquisition of TNK-BP, tying with , cementing Russian NOC prominence, moving down and pushing Total out of the Top 10Regionally, companies in both North and South America saw strong gains in the rankingsThe US Marcellus Shale is a key factor improving the rankings of independent oil companies鈥淪ize matters. The Top 10 companies in the Top 100 universe represent a significant share of the world鈥檚 petroleum operations, including close to 40% of the world oil production and roughly half of its oil reserves鈥, says David Kirsch, Managing Director of 博彩对冲's arm. "Our experienced analysts focus on operational metrics that capture how oil and gas companies actually perform. By placing all national oil companies and their international oil company rivals on an even basis, our goal is to provide a Top 100 ranking that sets credible industry benchmarks.鈥鈥檚 flagship publication Petroleum Intelligence Weekly is also publishing the rankings of the Top 50 oil companies along with valuable insights into their performance. has appeared for the past 26 years and provides the ranking methodology for the much larger .Six parameters are used to compile the rankings: oil reserves, natural gas reserves, oil production, natural gas production, refinery distillation capacity and refined product sales. The Top 100 analysis considers an additional 70 financial and operational parameters.The Top 10 companies in this year鈥檚 rankings are:Saudi AramcoNIOCCNPCExxon MobilPDVSAShellBPGazpromRosneftChevronThe list of the Top 50 companies can be viewed at www.energyintel.com and the full Top 100 company analysis is available to clients as part of its suite of online interactive tool services.Notes to EditorsIf you would like to discuss the Petroleum Intelligence Weekly Top 50 Ranking, please contact Tom Wallin, Editor-in-Chief, +1 646 616 0805 or email twallin@energyintel.com.If you would like to discuss further the Top 100: Global NOC & IOC Rankings and interactive online tool, please contact David Kirsch, +1 913 213 5377 or email dkirsch@energyintel.com.For more information, contact Sarah White Marketing Director 博彩对冲 Email swhite@energyintel.com Tel +44 (0)20 7518 2239