求翻译：1997年6月中国石油天然气总公司参照ISO/CD14690制定了企业标准SY/T 6276－1997《石油天然气工业健康、安全与环境管理体系》、SY/T 6280－1997《石油地震队健康、安全与环境管理规范》、SY/T6283－1997《石油天然气钻井健康、安全与环境管理指南》标准是什么意思？

Reference ISO/CD14690 of June 1997 China oil natural gas Corporation has developed a corporate standard SY/T 6276-1997 of the oil and natural gas industry, of health, safety and environmental management system, SY/T 6280-1997 of the petroleum seismic force regulation on health, safety and environmental management, SY/T6283-1997 of the petroleum and natural gas drilling Guide to health, safety and environmental management standards