Oil temperature drop and oil contraction can cause gas space growing in oil pipe and line packing during hot oil pipeline shutdown and restarting.
热油管道停输后，管内油品降温收缩，管内会产生油蒸气空间，从而使管道再启动时出现启动充装过程。
Once the hydrate formate, it will lead to block pipes and equipments, even gas well's off production, pipeline shutdown, and other serious accidents.
水合物一旦生成，会导致管道和设备的堵塞，甚至造成气井停产、管道停输等严重事故。
Studying the temperature distribution of hot oil pipeline shutdown medium field, has an important role in guiding to determine the safety shutdown time.
研究热油管道的停输介质的温度分布场，对确定安全停输时间具有重要的指导作用。
The shutdown of the Keystone crude pipeline to Cushing, Oklahoma further supported U. s. crude futures.
到俄克拉荷马库欣的吉斯通原油管道的关闭进一步给美国原油以支持。
Three calculation methods have been used to study waxy oil temperature drop after shutdown for both buried pipeline and overhead pipeline.
本文用三种计算方法研究了埋地和架空管线中多含蜡原油管道停输后的温降，并与现场实测结果作了初步比较。
The safe and economic operation temperature in hot oil pipeline is the lowest temperature at the inlet of heating station to satisfy the requirement of permissible shutdown time of pipeline.
热油管道安全经济输油温度是满足管道允许停输时间要求的最低进站油温；
If the boiler and a water pipeline corrosion problem, the system may happen down the load and shutdown.
如果锅炉和输水管道出现了腐蚀问题，系统可能发生降负荷和停机。
Taking Chengdao Oil Field as an example, the methods for calculating the shutdown time, temperature dropping and restart pressure of submarine pipeline are introduced.
以埕岛油田为例 ，介绍海底管线停输时间及再启动压力的计算方法。
After the shutdown of a buried waxy crude pipeline, wax crystals will start to precipitate when the crude cools to the temperature below the wax appearance temperature (WAT).
埋地热含蜡原油管道停输后，当管内原油温度降到析蜡点以下时，原油中的蜡晶将逐渐析出。
After the shutdown of a buried waxy crude pipeline, wax crystals will start to precipitate when the crude cools to the temperature below the wax appearance temperature (WAT).
埋地热含蜡原油管道停输后，当管内原油温度降到析蜡点以下时，原油中的蜡晶将逐渐析出。
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