Reconstruction of the Cenozoic History of Hydrocarbon Fluids from Rifting Stage to Passive Continental Margin Stage in the Huizhou Sag, the Pearl River Mouth Basin

Figure 22

Hydrocarbon fluid migration and accumulation of the Eocene source rocks in the Huixi and Huibei half-graben (calculated hydrocarbon volume is expressed in reservoir condition. The locations of three wells and profile BB′ are shown in Figure 1).

(a) Present oil accumulation of profile BB′

(b) Present excess pressure of profile BB′

(c) ZJ (6535.6 m, 2867.2 m)

(d) ZH (12898.2 m, 3174.5 m)

(e) ZH (15732.5 m, 3264.8 m)

(f) EP (15616.8 m, 3752.8 m)

(g) EP (71666.0 m, 3120.2 m)

(h) WC (12840.4 m, 3807.0 m)