２１世纪,我国将建成油田管网系统,成品油管网系统,天然气管网系统,管道运输真正实现地网密布,由此带来的投资机会将十分巨大,长输管道建设前景看好。一、管道运输、优势显著管道运输,在石油、天然气等液态和气态介质的运输上具有不可比拟的优势。首先,管道运输可以保证石油和 In the 21st century, China will build an oilfield pipe network system, a finished oil pipe network system and a natural gas pipe network system, and the pipeline transportation will really achieve a dense network. The investment opportunities brought by it will be enormous and the prospect of long-distance pipeline construction will be promising. First, the pipeline transport, the obvious advantages of pipeline transportation, in the oil, natural gas and other liquid and gaseous transport has unparalleled advantages. First of all, pipeline transportation can guarantee oil and water