The viscous thinner using in Kelamayi Oilfield were studied and filtered in lab according to the over high viscidity and lower fluidity of viscous oil.

• 针对稠油特稠油因粘度过高、流动性差而引起的井筒供液不足、抽汲困难、影响产能等问题,通过室内试验,对克拉玛依稠油所用降粘剂进行研究、筛选。