The Characteristics of Oil Occurrence and Long-Distance Transportation due to Injected Fluid in Tight Oil Reservoirs

Figure 12

The pressure distribution in tight reservoirs samples during water flooding: (a) 0–29.5 min, (b) 39–89 min and (c) 330.5–380.5 min. The black curve of 0 min represents the pressure characteristics of oil flow.

(a)

(b)

(c)