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Our country is a non-oil producing country that does not have oil underground. However, we export oil from countries that import crude oil. In particular, exports of petroleum products such as kerosene, diesel, and bunker oil are increasing every year. How did our country become an oil exporting country? It is because of world-class oil refineries that process and recycle imported crude oil, even though we do not have oil fields. Advanced facilities that import cheap, low-grade crude oil and turn it into expensive, high-grade oil for export! Onsan Port in Ulsan. A ship carrying crude oil comes in. The crude oil moves along a pipeline that is 6 km long. The place we arrive at along the pipeline, called the oil highway, is the Ulsan oil refinery. Here, tens of thousands of pipes ranging from small pipes with a diameter of 5 cm to thick pipes over 50 cm are intertwined like a spider web, where crude oil is refined. Let’s learn about the process and principles of crude oil refinery. #Refinery #Oil #Distillation tower #Crude oil ▶️ Program: Wonderful Science - Obtaining oil from the ground, Ground oil field ▶️ Broadcast date: 2011.06.16