非渗透水泥外加剂QC600在吐哈油田的应用

Application of Impervious Cement Additive QC600 in Tuha Oil Field

文中介绍了油井水泥非渗透外加剂QC600的防气窜、降滤失作用机理。室内试验和现场应用表明,该水泥外加剂能降滤失、防气窜并与其它外加剂有良好的配伍性,解决了吐哈油田的环空窜流及水泥滤液对油气藏的损害问题,提高了固井质量。

QC600 has the function of reducing filtrate , anti-fluid-channeling , it is compatible with other cement additive . The function mechanism of QC600 is presented . Problems of fluid channeling are solved successfully by using QC600 in Tuha oil field .