Typical end-member oil derived from Cambrian-Lower Ordovician source rocks in the Tarim Basin, NW China
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Typical end-member oil derived from Cambrian-Lower Ordovician source rocks in the Tarim Basin, NW China |
| Jianping BAO,Cuishan ZHU,Zhifeng WANG |
| Fig. 3. Distribution of steranes (m/z 217), extended tricyclic terpanes, triterpanes (m/z 191) and 25-norhopanes (m/z 177) in crude oil from Well TD2 (C21T, C23T = C21 and C23 tricyclic terpanes; C29H-C35H = 17α(H), 21β(H)-hopanes; C27R, C28R and C29R = C27, C28 and C29 5α(H),14α(H),17α(H)-20R steranes; “?” = 25-norhopane series). |
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