DISCUSSION ON OIL SUPPLY CONDITIONS FOR TERTARY"LOWER GENERATING-UPPER RESERVOIRING"TYPE OIL AND GAS RESERVOIRS IN JIZHONG DEPRESSION

Wang Zhihe

doi:10.11743/ogg19860212

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DISCUSSION ON OIL SUPPLY CONDITIONS FOR TERTARY"LOWER GENERATING-UPPER RESERVOIRING"TYPE OIL AND GAS RESERVOIRS IN JIZHONG DEPRESSION
Vol. 7, Issue 2, Pages: 175-181(1986)
Online First：25 June 1986，

Published：1986
DOI： 10.11743/ogg19860212
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DOI：

Wang Zhihe. DISCUSSION ON OIL SUPPLY CONDITIONS FOR TERTARY"LOWER GENERATING-UPPER RESERVOIRING"TYPE OIL AND GAS RESERVOIRS IN JIZHONG DEPRESSION[J]. 1986, 7(2): 175-181. DOI： 10.11743/ogg19860212.

摘要

冀中坳陷第三系中的下生上储型油气藏的探明石油地质储量约占第三系总储量的60%。油气运移通道以断层为主

油气垂向运移距离一般小于2.5km。下伏生油岩的大量排烃期一般为渐新世末期至晚第三纪。

Abstract

"Lower generating-upper reservoiring"type oil and gas reservoirs are one of the origin type of oil and gas reservoirs in Jizhong depression.This paper discusses briefly the distribution of the oil and gas reservoirs in the depression and analyzes oil supply path during the formation stage of the resrrvoirs.It follows that oil and gas in the reservoirs are from underlying source rocks and migrated vertically within a short distance.