In this study, the onset of asphaltenes flocculation in the heavy oil from SZ36?1 oilfield, Bohai Bay, was determined using spectrophotometry, capillary viscometry and microscopy separately.

• 采用透光率法、粘度法和显微镜法对常压下渤海绥中361油田稠油沥青质的絮凝初始点进行了测定。