石油勘探开发科学研究院油田化学研究所与华北油田合作研究开发的PIA—604调剖剂,已通过部级鉴定。该调剖剂系列,针对华北油田地质条件和开发特点,采用聚丙烯酰胺、苯酚、六次甲基四胺反应生成凝胶时间可控的复合凝胶体。经现物试验表明,该剂有以下特点: 1.地面配制时粘度小于400mPa·s,便于泵送和大计量施工; PIA-604 profile control agent researched and developed in cooperation with Huabei Oilfield by Institute of Oilfield Chemistry, Petroleum Exploration and Development Institute has passed ministry-level appraisal. The profile control agent series, according to the geological conditions and development characteristics of Huabei Oilfield, polyacrylamide, phenol and hexamethylenetetramine are used to produce gel with controlled time. The test shows that the agent has the following characteristics: 1. Preparation of the ground viscosity of less than 400mPa · s, easy to pump and large-scale construction;