Geochemical Characteristics and Oil Source Correlation of Minfeng Area, Dongying Depression, China

Table 1

Crude oil geochemical characteristics of four types.

Type	A	B	C	D
OEP	<1.1	>1.1	<1.1	>1.1
	>0.7	0.5	>1.3	0.5
	>1.3	0.9	>1.3	0.9
Pr/Ph	>0.5	<0.5	<0.5	<0.5
Gammacerane index	>0.2	>0.2	>0.3	0.1–0.3
	<0.3	0.3–0.4	>0.38	0.3–0.4
of C29	>0.4	0.37–0.48	<0.35	0.38–0.5
	<0.35	<0.4	<0.35	0.26–0.4
	<0.3	0.3–0.5	<0.3	0.4–0.5
	<0.32	0.35–0.42	<0.32	0.35–0.42