Influence of Hydrothermal and Pyrolysis Processes on the Transformation of Organic Matter of Dense Low-Permeability Rocks from Domanic Formations of the Romashkino Oil Field
Table 3
IR-analysis of Bitumoids before and after Experiments.
Object
Optical density at wavenumber (λmax) (cm−1)
C1
С2
С3
С4
С5
1740
1710
1600
1465
1380
1030
720
Berezovskaya area Semiluki-Mendym (Domanic) sediments, depth 1712.5–1718 m Bitumoids
1
0.172
0.345
0.481
2
1.255
0.661
0.228
2.11
0.17
0.63
3.08
0.33
1
0.076
0.204
0.593
2
1.194
0.244
0.168
3.53
0.10
0.60
2.30
0.12
Asphaltenes and carbine-carboides
1
0.274
0.699
1.053
2
1.494
0.886
0.289
3.64
0.35
0.75
1.69
0.44
1
0.084
0.338
1.297
2
1.456
0.490
0.281
4.61
0.17
0.73
1.34
0.24
1
0.091
0.764
1.460
1.445
1.186
0.384
0.190
7.68
0.53
0.82
0.94
0.26
Zelenogorskaya area Dankov-Lebedyan (carbonate) deposits, depth 1379–1385.5 m Bitumoids
2
0.156
0.317
0.457
2
1.311
0.425
0.313
1.46
0.16
0.66
3.55
0.21
2
0.088
0.200
0.501
2
1.170
0.176
0.240
2.09
0.10
0.59
2.81
0.09
Asphaltenes and carbene-carboides
2
0.133
0.414
1.023
2
1.479
0.627
0.262
3.90
0.21
0.74
1.70
0.32
2
0.188
0.559
1.323
2
1.608
0.734
0.376
3.52
0.28
0.80
1.50
0.37
2
0.175
0.422
1.570
2
1.700
1.388
0.087
17.95
0.21
0.85
1.14
0.70
1 and 2 = initial rock sample; 1 and 2 = after extraction; 1 and 2 = carbene-carboides after experiments. Spectral coefficients: (aromaticity index); (state of oxidation); (of branching degree); (of wax content); and (degree of sulfuring).
