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科技导报
| 研究论文 2015, 33(2): 54-58
临南洼陷营子街地区沙三下亚段油气富集主控因素
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封东晓1,2
作者信息
1. 中国地质大学(北京)能源学院, 北京100083;
Main controlling factors in hydrocarbon accumulation of lower Sha 3 in Yingzijie area of Linnan Sag
Affiliations
出版时间: 2015-01-28
doi: 10.3981/j.issn.1000-7857.2015.02.007
文章导航
营子街地区临近洼陷的生烃中心,但由于构造简单,缺乏构造圈闭,传统上认为勘探潜力不大。为突破勘探瓶颈,从沉积演化、相带类型研究出发,在优势砂体类型、烃源岩压力及隐蔽圈闭的综合分析基础上,对营子街地区沙三下亚段油气成藏富集因素进行了研究。结果表明,营子街地区沙三下亚段沉积时期发育席状砂和浊积扇两类优势砂体,并夹持包裹于烃源岩中,形成了隐蔽型岩性油藏,其成藏富集因素主要受烃源岩超压和有效储层2 个因素的控制,其中烃源岩超压控制了油气充满度,烃源岩超压区范围内有效储层的分布控制了含油规模,由此建立了自生自储-超压控藏型成藏模式。
烃源岩超压
/
有效储层
/
富集规律
/
成藏模式
/
营子街地区
/
临南洼陷
Although Yingzijie area is near the hydrocarbon generation center, because of its simple structure and the lack of structural traps, traditionally, the exploration potential is considered not great. In order to overcome the exploration obstacles, the sedimentary evolution and the facies types are studied in this paper. Based on the dominant sand-body types, the hydrocarbon source rock pressure and the subtle traps, the main controlling factors in the hydrocarbon accumulation of lower Sha 3 in Yingzijie area are analyzed. It is shown that there are two kinds of dominant sand-bodies: The sheet sand and the turbidite fan sand. These sand-bodies are surrounded by the source rock with the reservoir types being subtle lithologic, where the hydrocarbon accumulation factors are controlled by the overpressure of the source rock and the effective reservoirs. The oil fullness degree of the reservoirs are controlled by the overpressure of the source rock and the oil scale is controlled by the effective reservoirs in the region of the overpressure of the source rock, and the accumulation model can thus be built, as the self-source and the self-reservoir and the overpressure controlling accumulation.
overpressure of source rock
/
effective reservoirs
/
accumulation regularity
/
accumulation model
/
Yingzijie area
/
Linnan Sag
封东晓.
临南洼陷营子街地区沙三下亚段油气富集主控因素.
科技导报,
2015
, 33
(2)
: 54
-58
.
DOI: 10.3981/j.issn.1000-7857.2015.02.007
FENG Dongxiao.
Main controlling factors in hydrocarbon accumulation of lower Sha 3 in Yingzijie area of Linnan Sag[J].
Science & Technology Review ,
2015
, 33
(2)
: 54
-58
.
DOI: 10.3981/j.issn.1000-7857.2015.02.007
2015年第33卷第2期
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文章信息
doi: 10.3981/j.issn.1000-7857.2015.02.007
接收时间：2014-07-24
首发时间：2015-02-09
出版时间：2015-01-28
收稿日期：2014-07-24
修回日期：2014-10-28
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2015.02.007
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2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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