根据 ODS- Petrodata公司的调查统计 ,近来全球海上钻机利用率达到了近 3年来的最高水平。目前全球共有 649部海上钻机 ,而近期由于钻井合同的增加 ,使钻机利用率也相应提高了 0 .4 % ,达到 91.0 % ,在用钻机数达到 585部 ,为 1998年 8月以来的最高水平。美国墨西哥湾的海上钻 According to a survey conducted by ODS-Petrodata, offshore drilling rigs worldwide have recently reached their highest level in nearly three years. At present, there are 649 offshore drilling rigs in the world. Recently, due to the increase in drilling contracts, the utilization rate of drilling rigs has also increased by 0.4% to 91.0%. The number of drilling rigs used has reached 585, the highest level since August 1998 . Offshore drilling in the Gulf of Mexico