介绍大港油田集团勘察设计研究院研制的原油集输系统除砂洗砂一体化装置，经试验除砂率达到90％以上。
The integrated assembly with sand removal and washing in crude oil gathering system designed by the Exploitation and Design Institute of Dagang Oilfield Group is up to the sand removal rate of 90%…
中国石油塔里木油田公司勘探开发研究院；
Exploration and Development Research Institute of PetroChina Tarim Oilfield Company; 2.
中国石化胜利油田有限公司地质研究院；
Research Institute of Geology, Shengli Oilfield Co. Ltd. , Sinopec; 4.
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