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据1996年API出版物目录及最近收到的标准资料显示,一年来API油田装备标准变动幅度没有前几年大,但以下两个重要的大套标准作了修订:1.API Spec 6A《阀门和井口设备规范》,自1991年10月、1992年6月对1989年10月的第16版作了大幅度的增补以后,发布了第17版(1996年2月1日)。2.API Spec 7K《旋转钻井设备规范》,1996年4月1日第2版生效。可能是由于对1994年4月1日的第1版作了全面修订,标准文本中没有修改标记。同时出了一项新标准RP 7L《钻井设备检验、维护、修
According to the 1996 API publication catalog and the most recent standard data received, there have been no major changes to the standards for API field equipment over the past year, but the following two major sets of major revisions were made: 1. API Spec 6A “ And Wellhead Equipment Specifications, ”the 17th edition (February 1, 1996) was released following a substantial addition to the 16th edition of October 1989, in October 1991 and June 1992. 2. API Spec 7K “Rotary Drilling Equipment Specification”, 2nd edition, April 1, 1996 in force. This may be due to the comprehensive revision of the first edition of April 1, 1994, with no revisions in the standard text. At the same time out of a new standard RP 7L "drilling equipment inspection, maintenance, repair