一、概述近10年来,中国石油和中国石化都按照国家质检总局的要求,依托各自不同的天然气管网条件,相继设计建立了多套不同规模、不同种类的天然气计量检定站(如西气东输南京计量测试中心、国家石油天然气大流量计量站成都分站、北京采育天然气计量检定站、大庆油田天然气计量检定站等)。按照国家质检总局的中高压天然气计量检定站的布置要求,中国石油和中国石化将在近2年内完成国内6个 I. Overview In the past 10 years, both PetroChina and Sinopec have designed and established several sets of natural gas metering stations (such as the West Gas (Natural Gas)) according to the requirements of AQSIQ and the different natural gas pipeline conditions East Nanjing metrology test center, the national oil and gas large flow metering station Chengdu sub-station, Beijing mining natural gas metrology station, Daqing Oilfield natural gas metrology station, etc.). In accordance with the AQSIQ high pressure natural gas metrology station layout requirements, PetroChina and Sinopec will be completed within the past 2 years, 6