Geological conditions, reservoir evolution and favorable exploration directions of marine ultra-deep oil and gas in China

LI Jianzhong,TAO Xiaowan,BAI Bin,HUANG Shipeng,JIANG Qingchun,ZHAO Zhenyu,CHEN Yanyan,MA Debo,ZHANG Liping,LI Ningxi,SONG Wei

Fig. 9. Hydrocarbon accumulation and evolution process of Sinian-Ordovician in North Tarim Basin (The section location is shown in Fig. 8). Nh—Nanhua; Z—Sinian; —C1—Lower Cambrian; —C2-3— Middle-Upper Cambrian; O1-2—Middle-Lower Ordovician; O3—Upper Ordovician; S—Silurian; C—Carboniferous; P—Permian; T—Triassic; J—Jurassic; K—Cretaceous; E—Paleogene.