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更多数据显示，截至8月5日当周美国石油和天然气活跃钻井总数增加1座至464座，较去年同期减少420座。
原油交易商指出，2015年美国石油活跃钻井数一共减少了963座，为2002年以来首次出现年度下降，同时年度降幅也达到1988年以来最大。在2010至2014年的五年内，美国石油活跃钻井数平均每年增加216座。美国石油活跃钻井数曾于2014年10月触及1609座高位，目前已经减少逾四分之三。
