Abstract

The frame of engineering-economic characteristics of oil and gas pipelines is outlined in this paper, and some key elements are also discussed on the basis of a large amount of engineering calculation and economic analysis of virtual crude oil pipeline projects, including the economic capacity limits and the economic flow velocity limits for a given pipe diameter, the economically feasible maximum pipeline length for a given pipeline capacity, and the economically feasible minimum pipeline capacity for a given pipeline length. Take Daqing and Shengli waxy crude oil for example, the basic rule of above-mentioned engineering-economic characteristics of waxy crude oil is presented in the paper. Though the basic economic data used in our research come from China, its research results and conclusions will apply to hot oil pipeline projects in other countries all over the world.

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