Table 2 Statistics of the proven reserves of different accumulation models and different trap-genesis reservoirs in the study area.

From: The pre-Jurassic Meng-Shaan paleochannel and its control on the accumulation model of Yan 10 reservoir in Central Ordos Basin

Accumulation model

Plane computing well area

Oil-bearing area (km2)

Geological reserves (104 t)

Geological reserves per unit area of different accumulation models (104t/km2)

Trap genesis

Geological reserves of different traps (104t)

Geological reserves per unit area (104t/km2)

Paleochannel

Dz6524

1.99

75.19

37.78

Lithologic

311.41

38.93

‘Source’ of the secondary channel

D6613

5.61

226.84

39.30

Z50

0.40

9.38

Residual paleo-beam

Z129

1.32

76.87

58.23

Structural lithologic

1491.81

47.16

Residual paleo-beam, mound mouth

D6261

16.91

697.79

41.26

Mound mouth

Dz6497

1.90

59.16

33.89

Z57

0.17

10.99

Slope mouth

Dz6629

2.36

93.08

42.28

10-35

0.57

30.79

Paleoslope

Z94

7.00

448.70

63.60

126-4

0.14

5.38

Paleoslope II

52-56

0.14

3.27

54.80

Z6

1.12

65.78

Paleo-hill

Z102

0.95

29.33

39.36

Structural

183.83

39.36

Z89

1.60

54.40

Z69

1.95

93.01

44843

0.17

7.09