|Table of Contents|

Gas accumulation analysis of upper Paleozoic coal in Jiyang depression(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2004年第02期
Page:
47-50
Research Field:
Publishing date:

Info

Title:
Gas accumulation analysis of upper Paleozoic coal in Jiyang depression
Author(s):
ZHOU Jian-lin
1.Geochemistry Institute ofChina Academy ofScience, Guiyang 550002, China;2.Education and Training Department ofShengli Petroleum Administrative Bureau, Dongying Shandong 257000, China
Keywords:
Jiyang depression coal-formed gasmain controlling factor model of pool formationHenan
PACS:
P618.13;P593
DOI:
-
Abstract:
Based on the analysis of known gas pools in Jiyang depression, it is pointed out that the sediment-burial history is the critical factor for the formation of coal-formed gas pool. The pool formation types can be divided into two categories and six sub- categories according to sediment-burial history and other factors such as tectonic movement, reservoir conditions, reservation condi- tions and integrity of trap. Among these gas pool formation types there are three types which are very important in Jiyang depres- sion, i.e., Mesozoic era subsidence-Cenozoic era subsidence model; Mesozoic era subsidence-Cenozoic era swell model and Mesozoic era swell-Cenozoic era subsidence model. Every model has different character and its exploration goal and resource potential are variable. The most favorable model is Mesozoic era subsidence-Cenozoic era subsidence, such as south slope of Huimin sag and Guxi fault belt of Zhanhua sag.

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Last Update: 2004-06-20