生物酶低温破胶技术研究与应用  

Research and application of biological enzyme gel breaking technology under low temperature

作　　者：殷玉平 黄帅 叶红 Yin Yuping;Huang Shuai;Ye Hong(SINOPEC,Jiangsu Yangzhou 22500)

机构地区：[1]中石化江苏油田分公司,江苏扬州225009

出　　处：《石化技术》2018年第11期118-119,共2页Petrochemical Industry Technology

摘　　要：本文研究了低温条件下生物酶破胶剂的适应性和破胶性能,生物酶和过硫酸铵破胶后压裂液中固相的粒径分布、破胶液对支撑剂导流能力影响的差异,认识到低温储层条件下生物酶破胶的效果优于过硫酸铵破胶效果,在JS油田现场用生物酶进行破胶,压后2h内顺利破胶,压裂返排液黏度小于5cp。This paper studied the adaptability and breaking properties of enzyme agent under low temperature conditions, the difference of particle size distribution and aversion capacity of enzyme and ammonium persulfate, the effect of enzyme breaking under low temperature storage conditions was better than that of ammonium persulfate, using biological enzyme in the field of JS Oilfield, the viscosity of enzyme was less than 5CP in 2 hours after fracturing

关 键 词：生物酶 适应性 粒径分布 导流能力 

分 类 号：TE357.12[石油与天然气工程—油气田开发工程]