Research Article

Flow Unit Model of Channel Sand Body and Its Effect on Remnant Oil Distribution: A Case Study of PI Formation in the Eastern Transition Zone of Daqing Oilfield

Figure 2

Well B2-60-GB271 lithologic log in PI1 layer. The PI1 layer is in Yaojia Formation, which belongs to the Cretaceous system, one of the main reservoir in northern Songliao Basin.