摘要
在调研的基础上，分析了大庆天然气计量系统更新改造的迫切性和必要性。通过气体流量计选型对比，论述更新改造的正确途径，关键在确定检测方法和对计量仪表智能化的改造，重点放在对软件的开发上。同时，介绍了如何选择敏感元件以及在变送器和二次仪表的开发上应注意提高精度，这给有关部门在更新改造设备时，提供技术上的借鉴。
On the base of investigation, the author analyses the urgency and necessity of renewingremaking of natural gas system in Daqing. Through type-selection and comparision of gas flowmeter, the author expounds the correct way of renewing-remaking. The key link lies on determination of test method and remaking metering instrument intelligence and developing software. The article also introduces how to choose sensitive element and in developing transducer and secondary instrument, care must be taken to raising precision.
关键词
大庆油田
天然气
计量
仪表
Daqing oilfield/natural gas/metering/instrument
