Saudi Aramco's dominance in Petroleum Intelligence Weekly's (PIW) annual rankings continued as it recently received the global No. 1 rank of the world's 50 largest oil companies. The company has achieved the top spot in the PIW rankings for 22 consecutive years, according to a report carried by Saudi Aramco web-site. For 22 years running, PIW ranked Saudi Aramco first in reserves, production of liquids, gas output and reserves, product sales and distillation capacity. The Saudi national oil company leads the world in reserves and production of liquids, two of six criteria in the rankings. Others include gas output and reserves, product sales and distillation capacity. Rounding out the overall top 10 companies are, in order, NIOC, Exxon Mobil, Venezuela's PDV, China's CNPC, the U.K.'s BP, Royal Dutch Shell of the Netherlands, Chevron, ConocoPhillips and Total of France. The top 100 on the PIW list control 87 percent of the world's oil reserves and 72 percent of the gas reserves.
