注聚驱产出液处理技术研究
Oil & Gas Storage and Transportation(2009)
Abstract
针对聚合物驱油田产出液含有大量聚合物难于将油水分离的问题,分析了含聚合物产出液的特性,提出了注聚驱产出液的化学处理技术.研究表明,产出液粘度会随其聚合物含量的增加变高,对脱水与污水沉降除油效果及污水过滤速度的影响也越大,但对处理后水中COD的影响不大;筛选了适合大港油田聚合物驱产出液处理的预处理剂KYYC-2,当预处理剂KYYC-2的加量为70 mg/L时,6 h后其脱水率、净化油含水率、脱出污水含油量及污水中悬浮物含量均达到了规定的指标要求.
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Key words
characteristics of produced fluid,chemical treatment,polymer flooding
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