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

<div>Unshielded flow unit microscopic remnant oil model in the narrow channel. White areas represent microscopic remnant oil; black to gray areas represent mineral particles, and blue areas represent foggy-shaped remnant oil.</div>

Geofluids

fig21

Figure 21

Figure 21: 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 21 | 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 