油井变频电磁场防蜡的实验研究

变频电磁场防蜡技术作为一种新兴的物理法防蜡技术，具有成本低、对油层无污染、有效期较长、管理方便等优势，具有广阔的发展前景。实验研究表明，电磁场作用可以降低含蜡油的析蜡点和凝固点，减少含蜡油的结蜡量，破坏蜡晶网络结构。变频电磁场可引起蜡分子的内共振，导致蜡晶结构与形状发生变化，抑制了蜡分子的结晶过程，同时对已形成的蜡晶产生一定的破碎作用，从而达到防蜡的目的。

Experimental Study of Variable Frequency Electromagnetic Paraffin Control for Oil-Well

Variable frequency electromagnetic paraffin control technology is a new physical method,which has advantages of low cost,reservoir protection,long period of validity and convenient management,and has an obvious effect and broad prospect.Laboratory experiments showed that electromagnetic field can reduce the wax precipitation point and freezing point of waxy oil,reduce the quality of wax deposition,and destroy the wax-crystal netted structure.Variable frequency electromagnetic field can cause the internal resonance of wax molecules,change the wax-crystal structure and shape,inhibit the crystallization process of wax molecules,and also break existent wax crystals,thus the goal of paraffin control can be achieved.