Well logging sequence stratigraphy of the Badaowan Formation in the 8th block of the Karamay Oil Field, Xinjiang

The Lower Jurassic Badaowan Formation occurs as main oil reservoirs in the Karamay Oil Field, Xinjiang. Three sequence boundaries, two sequences and five systems tracts corresponding to five sand sets are recognized on the basis of the analysis of well logging sequences in the study area. The features of individual systems tracts are generally expounded in this study.