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

Figure 2

Representative NMR pattern of Chang 7 tight oil reservoir in Ordos Basin: (a) sample from well C7-1, 2190.3 m; (b) sample from well C7-3, 2224.9 m; (c) sample from well C7-21, 1782.8 m; (d) sample from well C7-4, 2409.2 m; (e) sample from well C7-5, 2243.0 m; (f) sample from well C7-22, 1775.2 m. Lines 1-5 represent water-saturated core samples, 20 psi, 40 psi, 200 psi, and 400 psi, respectively.

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