用捞砂绳下入油井的油管中以刮去油管壁上的结蜡所用的装置。
A device used on a sand line in the tubing of an oil well to scrape the wax off the tubing.
从烟化操作、入炉原料和燃料等方面分析了引起结炉故障的原因以及预防结炉的措施。
The causes and prevent measurement of clotted slag in fuming furnace is analyzed in detail on the following way: operating process, raw materials and fuel.
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