The Impact of Microscopic Pore Network Characteristics on Movable Fluid Properties in Tight Oil Reservoir

Figure 6

Scanning electron microscopy images of Chang 7 tight oil reservoir in Ordos Basin: (a) sample from well C7-1, 2185.2 m, intergranular pore and dissolution pore; (b) sample from well C7-3, 2225.1 m, intergranular pore; (c) sample from well C7-5, 2243.3 m, intergranular micropore. IP: intergranular pore; FDP: feldspar dissolution pore.

(a)

(b)

(c)