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 1
The data of the study of rock samples by the method of thermal analysis.
Object
Mass loss of the rock samples (wt %)
20–200°С
200–400°С
400–600°С
600–800°С
800–1000°С
∑ ОM
F
(1) Berezovskaya area Semiluki-Mendym (Domanic) sediments, depth 1712.5–1718 m
Initial sample
0.96
10.05
25.43
11.32
0.45
35.48
0.39
After extraction
0.76
9.33
24.99
12.94
0.36
34.32
0.37
After thermal treatment
1.02
8.34
16.35
13.36
0.13
24.69
0.73
After extraction
0.46
8.31
10.58
12.58
0.38
18.89
0.79
(2) Zelenogorskaya area Dankov-Lebedyan (carbonate) deposits, depth 1379–1385.5 m