由于黑帝庙油层温度低(15～20℃),对乳化降粘技术要求较高,自1998年就开始进行有针对性的乳化降粘剂的筛选评价工作,2000年完成了现场应用试验。1.降粘剂BL—1的性能特点及适用范围针对大庆黑帝庙稠油组分中胶质沥青质含量较高、油层温度低的特点,以乳化稳定性和降粘效率为评价 Due to the low temperature (15 ~ 20 ℃) ​​in Heimiao reservoir, the technology of emulsion viscosity reduction is relatively high. Since 1998, the targeted emulsion viscosity reducer screening and evaluation has been carried out. In 2000, the field application test was completed. 1. Viscosity reducing agent BL-1 performance characteristics and scope of application In view of the characteristics of Daqing Heiji temple heavy oil components in the higher content of colloidal asphaltene, low oil temperature, the emulsion stability and viscosity reduction efficiency for the evaluation