Geology Reference
In-Depth Information
Table 3.7
Formation pressure excess over hydrostatic and formation pressure abnormality factor outside accumulations and in
water interval
s of Tersk-Caspian trough.
Tectonic
zone,
region
Waterhead complexes
Average
values
Triassic
Upper
Jurassic-
Valanginian
Lower
Cretaceous
(Hauterivian-
Aptian)
Upper
Cretaceous
Eocene
(Foraminifer
beds)
Oligocene-
Lower
Miocene
(Maikopian)
Middle-
upper
Miocene
11.1
1.14
−
−
53 2
.
4.4
1.09
−
−
13 9
.
2.9
1.13
−
−
34 8
.
10.7
1.62
−
−
45 1
.
0.1
1.00
−
−
15 2
.
19 1
.
1.55
Sunzhen
-
-
2.14
1.40
2.00
2.30
1.69
15.0
1.16
−
−
64 2
.
8.3
1.15
−
−
25 7
.
3.1
1.08
−
−
51 9
.
10.5
1.33
−
−
27 6
.
7.5
1.34
−
−
52 5
.
0.1
1.00
−
−
95
.
23 0
.
1.56
Te r s k
-
2.20
1.60
2.18
1.81
2.43
1.42
1
1.20
50
.
35.0
1.70
−
−
52 8
.
34 3
.
1.70
Priterek
-
-
-
-
-
2.19
Te r s k -
Caspian
trough
1
1.20
50
.
11 1
.
−
−
64 2
.
44 257
19 16
.
−
−
.
29 528
18 219
.
−
−
.
15 276
133
0.
−
−
.
75
.
−
−
525
.
0
00
.
1152
−
−
.
22 8
157
.
114
.
22
.
0
.
0
.
0
.
0
.
.
181
.
134
.
243
.
1
.
1 69
.
.
15
12
.
0
0
35 9
166
.
13 1
131
.
31
171
0.
.
19
157
.
0
28 9
192
.
62
128
.
Average
values
.
.
.
.
.
.
Note.
Numerator is range of formation pressure excess over hydrostatic, МPа; denominator is formation pressure abnormality factor variations.
