The Accumulation Characteristics of the Paleozoic Reservoir in the Central-Southern Ordos Basin Recorded by Organic Inclusions

Table 5

Rb/Sr isotope ratio analysis of the Permian fluid inclusions in F1 well.

Position	Depth (m)	Sample	Rb (μg/g)	Sr (μg/g)	^87Rb/^86Sr	^87Sr/^86Sr	Precision
Upper Shihezi Formation	2708.40	F2-1	0.008	0.122	0.1896	0.7154	±0.000027
Upper Shihezi Formation	2711.20	F2-2	0.005	0.081	0.17834	0.71275	±0.000034
Upper Shihezi Formation	2712.13	F2-3	0.005	0.075	0.18457	0.71454	±0.000015
Shanxi Formation	3016.86	F2-4	0.006	0.168	0.17371	0.71266	±0.000023
Shanxi Formation	3017.11	F2-5	0.006	0.08	0.19474	0.71593	±0.000043