稠油乳化降粘剂S-5的研制及应用

ADVANCES IN FINE PETROCHEMICALS(2004)

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Abstract
针对注蒸汽开采稠油油藏过程中存在的问题,研制出耐高温高效稠油乳化降粘剂S-5,并对其提高注汽采油效果进行了研究.结果表明,伴蒸汽注入S-5可明显降低开发初期注汽压力,提高蒸汽驱替效率,降低产出液中含水量,提高注汽周期的产油量及油汽比.将降粘剂S-5用于井筒降粘,可有效提高稠油井产量,解决井筒举升困难的问题.该项技术在胜利油田和大港油田推广应用后,取得了良好的经济效益.
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