Oil production in recent years decreases due to clay migration and the formation of wax and gel asphalt scales.
由于粘土运移及蜡和胶质沥青质垢的生成,近年来油井产量逐年下降。
So the oil sand's oil is heavy crude oil with high nitrogen, high wax, high gel and low sulfur.
该油砂油是一种高含氮、高含蜡、高含胶、低含硫的重质原油。
So the oil sand's oil is heavy crude oil with high nitrogen, high wax, high gel and low sulfur.
该油砂油是一种高含氮、高含蜡、高含胶、低含硫的重质原油。
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