英旺油田高含蜡原油降凝剂筛选及现场应用
Chemical engineer(2012)
Abstract
英旺油田长8油层高131原油具有凝固点较高(17℃),高含蜡量13.58%特点,运用单一药剂对其降凝效果不明显,分散剂和添加剂复配可有效降低该储层原油凝固点.在添加剂最佳浓度为0.5%,分散剂最佳浓度为5%时,可使长8储层原油凝固点从27℃降低到4.5℃.现场试验表明,采出液凝点均已降低到5℃以下,原油流动性也很好,产量有所增加且稳定.
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