Reforming of deposits in ancient oil and gas basins (on the example of deposits of the Baikit anteclise eastern slope of the Siberian Platform)

被引：5
|
作者：
Stoupakova, A. V. [1 ,2 ]
Khvedchuk, I. I. [3 ]
Sautkin, R. S. [2 ]
Korobova, N. I. [2 ]
Sivkova, E. D. [2 ]
机构：
[1] Lomonosov Moscow State Univ, Adv Petr Inst, 1 Leninskie Gory, Moscow 119234, Russia
[2] Lomonosov Moscow State Univ, Petr Geol Dept, 1 Leninskie Gory, Moscow 119234, Russia
[3] PJSC Krasnoyarsk Gazprom, 1 Ac Kurchatov Sq, Krasnoyarsk 123098, Russia
来源：
GEORESURSY | 2019年 / 21卷 / 02期
关键词：
reforming of deposits; Eastern Siberia; Baikit anteclise; Nepskian horizon; Vanavarskian suite; paleo-water-oil contact; paleoreconstruction; change in reservoir properties; secondary transformations of rocks; change in void space;
D O I：
10.18599/grs.2019.2.31-41
中图分类号：
TE [石油、天然气工业];
学科分类号：
0820 ;
摘要：
The paper considers the stages of formation of modern deposits within the south-western part of the Lena-Tungussky oil-bearing basin. The main oil and gas source strata capable of generating hydrocarbons are described, the structure of the terrigenous reservoir is considered, a model of deposits formation is developed. The secondary transformation of the reservoir in the zone of development of paleo water-oil contacts, which completely seal the void space, are revealed. The presence of several paleo water-oil contacts is evidence of multi-stage reshaping of deposits. After changing the structural plan in the Paleozoic-Mesozoic time, these zones operate as lithologic impermeable beds. Accordingly, most of the generated hydrocarbons are distributed on the migration path within the slopes of modern large structures and in the reformed non-anticlinal traps. The study of the migration paths of hydrocarbons from generation to accumulation and features of secondary transformations made it possible to establish the presence of a complex multi-stage re-formation of paleo-deposits and identify the mechanisms of their formation.
引用
收藏
页码：31 / 41
页数：11
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