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Table 7

Estimation of friction angles based on pairs of conjugated faults in the Oligocene sandstone and fractured granite reservoirs in the White Tiger field.

No Fault plane 1
 Fault plane 2
 Conjugated angle, (degree) Static friction angle (degree)
Dip-direction (degree) Dip (degree) Dip-direction (degree) Dip (degree)
1 14 45 68 54 41 49
2 14 45 93 78 74 16
3 14 45 120 42 67 23
4 14 45 189 68 67 23
5 14 45 202 18 63 27
6 14 45 212 40 84 6
7 14 45 303 66 60 30
8 14 45 328 40 31 59
9 68 54 93 78 33 57
10 68 54 117 76 49 41
11 68 54 120 42 40 50
12 68 54 189 68 80 10
13 68 54 202 18 67 23
14 68 54 212 40 88 2
15 68 54 303 66 79 11
16 68 54 328 40 69 21
17 93 78 120 42 42 48
18 93 78 202 18 84 6
19 93 78 212 40 82 8
20 93 78 303 66 46 44
21 93 78 328 40 78 12
22 117 76 120 42 34 56
23 117 76 189 68 68 22
24 117 76 202 18 75 15
25 117 76 212 40 82 8
26 117 76 303 66 38 52
27 117 76 328 40 70 20
28 120 42 189 68 60 30
29 120 42 202 18 43 47
30 120 42 212 40 56 34
31 120 42 303 66 72 18
32 120 42 328 40 79 11
33 189 68 202 18 51 39
34 189 68 212 40 33 57
35 189 68 303 66 79 11
36 189 68 328 40 81 9
37 202 18 303 66 71 19
38 202 18 328 40 52 38
39 212 40 303 66 72 18
40 212 40 328 40 66 24
41 303 66 328 40 32 58

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