双河油田油层保护技术研究与应用

Research and Application of Oil Layer Protection Technology in Shuanghe Oilfield

双河油田已进入油田开发后期,地层能量低,作业过程入井液易侵入油层,且返排困难,作业后产量恢复期长,甚至不能完全恢复原油产能;通过对双河油田油层物性分析及入井液配伍性研究,优选了以黏土稳定剂和表面活性剂为主体的油层保护液,大大降低了入井液对油层的伤害,缩短了油井作业恢复周期。

Shuanghe Oilfield has entered the late stage of oilfield development.The formation energy is low, and the working process is easy to penetrate into the reservoir, and the backfilling is difficult.The yield recovery period is long and can not fully recover the crude oil production capacity.And the compatibility of wells into the well, the choice of clay stabilizer and surfactant as the main body of the reservoir fluid, greatly reducing the damage to the reservoir into the reservoir damage, shortening the oil well recovery cycle.