新型调剖剂的研制及现场应用
China Petroleum and Chemical Standard and Quality（2012）
Abstract
调剖剂在温度78℃,地层水矿化度37226mg/L的条件下,老化稳定性高.室内并联岩心流动实验结果表明,调剖剂吸水剖面改善接近90％,其对高低渗透层的剖面调整能起到明显的作用,调驱前,低渗透层吸水很少,注入调驱剂后,高渗透层的吸水能力大大降低,低渗透层的吸水能力发生了明显变化,很快得以启动且渗透率极差越大,剖面改善越好;单管岩心流动实验表明,调剖剂在岩心中的突破压力梯度为15.22MPa/m,连续注水12.68PV压力变化小耐冲刷性能良好.
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