CHARACTERISTICS OF DYNAMIC EQUILIBRIUM FOR NATURAL-GAS MIGRATION AND ACCUMULATION OF THE GAS-FIELD IN THE CENTER OF THE ORDOS BASIN

Citation
Ss. Hao et al., CHARACTERISTICS OF DYNAMIC EQUILIBRIUM FOR NATURAL-GAS MIGRATION AND ACCUMULATION OF THE GAS-FIELD IN THE CENTER OF THE ORDOS BASIN, SCIENCE IN CHINA SERIES D-EARTH SCIENCES, 40(1), 1997, pp. 11-15
Citations number
8
Categorie Soggetti
Geosciences, Interdisciplinary
ISSN journal
10069313
Volume
40
Issue
1
Year of publication
1997
Pages
11 - 15
Database
ISI
SICI code
1006-9313(1997)40:1<11:CODEFN>2.0.ZU;2-5
Abstract
The gas field in the center of Ordos Basin has been conventionally con sidered as a large gas pool with thin reservoirs. However, lots of phe nomena contrary to this concept occur in the exploration and productio n process. It is proposed that the gas field is composed of many small lithological gas pools, sourced from and reservoired in the same Ordo vician formation which is an underpressured fluid compartment. A dynam ic equilibrium moldel of natural gas migration and accumulation has be en developed to illustrate the formation mechanism of these gas pools.