With the approaching of the late production period of the oilfields in east part of China the throughput rate of Wei-Jing ( Weigang-Jingmen ) Pipeline decreases progressively year after year which requires an economical and rational transport mode .

随着东部油田开采接近晚期， 魏荆线（魏岗&荆门）的 输量逐年递减，选择经济合理的输送方式是一个重要课题。

The elastic throughput was improved and the rigid pipeline changed into elastic when DRAs were used in the practical pipeline transportation . It also solved the outstanding problem of high energy consumption for long-distance big-diameter pipeline .

在天然气实际管道输送过程中使用减阻技术，可提高管道的 输 量弹性，使管道由刚性变为弹性，并能很好的解决长距离大管径输送 管道能耗大的突出问题。

A Study on the Low Throughput Transportation of Oil Treated with PPD in Honghu & Jingmen Oil Pipeline

洪荆输油 管道低 输 量加剂输送的研究

Field experiment results show that different volumes of DRA added can increase oil throughput of the pipeline and improve the safety of pipeline operation .

结果表明，添加不同量的减阻剂均可获得较好的减阻增 输效果，并能提高管道运行的安全性。

Analyzes actual throughput of Southern Oil Product Transport Pipeline and changing law of product 's storage temperature puts forward a plan for canceling or stopping diesel tank 's heating vapor at initial or terminal stations .

分析了南输成品油 管道实际 输油、储油温度的变化规律，提出了取消或停用首、末站柴油储罐加热蒸气的方案。

Because the throughput of Northeast China pipeline networks is becoming lower heat loss of pipelines is severe especially just after paraffin removal .

由于东北 管网 输 量逐年下降，管道的热损失，尤其是清蜡结束后一段时间内的热损失相当严重，这已成为管道运行中的一个突出问题。

The oil throughput of Tieling-Dalian Oil Pipeline is continuously decreased in recent years which is called the low throughput problem .

铁大 输油 管道近年来输量不断下降，已经出现了低输量问题。

Once the throughput pipeline route and oil kinds are defined the main factors which influence the total cost of isothermal oil pipeline are material diameter and design pressure .

指出在管 输油品、线路走向及输 量等已定时，影响等温输油 管道总费用的主要因素有管材、管径及操作压力。