PAC阳离子聚合物压裂液体系的研究  

Study of PAC Cationic Polymer Fracturing Fluid System

作　　者：纪凤勇[1] 张煜[1] 张兴华[1] 

机构地区：[1]长庆油田分公司第三采油厂,银川750006

出　　处：《精细石油化工进展》2004年第8期26-28,共3页Advances in Fine Petrochemicals

摘　　要：研制了一种新型的PAC阳离子聚合物压裂液体系,对其配方与性能进行了研究.确定了PAC阳离子聚合物压裂液体系最佳配方:(0.30%～0.80%)PAC+(0.05%～0.10%)HPAM+(1.00%～2.00%)KCl+0.10%AE169+(0.05%～0.10%)TA-1,破胶剂可选用0.30%～0.50%的过硫酸铵溶液.该体系流变性能好,携砂能力强,粘土稳定性好,防乳破乳效果明显,具有很好的破胶性,破胶后水不溶性残渣含量低,对地层渗透率损害值很小,适应于粘土含量较高即存在水敏或低渗透油藏的油层压裂改造,取得了很好的现场应用效果.A new type of PAC cationic polymer fracturing fluid system was prepared. Its optimum formulation and properties were studied. The optimum formulation was as follows: (0.30% - 0.80%) PAC + (0.05% -0.10%) HPAM+ (1.00% -2.00%)KC1 + 0.10%AE169+ (0.05% -0.10%)TA- 1.0.30% - 0.50 % ammonium per-sulfate solution was selected as gel breaker. The system had good rheological property, sand - carrying capacity, clay stability, demulsification, and efficiency of gel breakdown. It had low water - undissolved residue content and little formation permeability damage.

关 键 词：压裂液 携砂 破胶剂 破乳效果 水敏 油层压裂 阳离子聚合物 流变性能 液体 过硫酸铵 

分 类 号：TE39[石油与天然气工程—油气田开发工程]