柴达木盆地花土沟油田新近系油藏成藏特征

doi:10.7623/syxb201001005

石油学报 ›› 2010, Vol. 31 ›› Issue (1): 31-35.DOI: 10.7623/syxb201001005

柴达木盆地花土沟油田新近系油藏成藏特征

许浩 1 张君峰 2 汤达祯 1 尹微 3 张文忠 4 陈晓智 1

1 中国地质大学海相储层演化与油气富集机理教育部重点实验室北京 100083； 2 中国石油勘探与生产分公司北京 100724；3 中国石油勘探开发研究院北京 100083； 4 中联煤层气有限责任公司北京 100011

收稿日期:2009-03-03 修回日期:2009-05-20 出版日期:2010-01-25 发布日期:2010-05-21
通讯作者: 许浩

Hydrocarbon accumulation characteristics of the Neogene reservoirs in Huatugou Oilfield of Qaidam Basin

XU Hao 1 ZHANG Junfeng 2 TANG Dazhen 1 YIN Wei 3 ZHANG Wenzhong 4 CHEN Xiaozhi 1

Received:2009-03-03 Revised:2009-05-20 Online:2010-01-25 Published:2010-05-21
Contact: XU Hao

摘要/Abstract

摘要：

根据花土沟油田新近系油藏中储层流体包裹体的类型、显微荧光特征和热力学特征，将储层中烃类的注入划分为低温低盐度和高温高盐度两期。结合埋藏史和热演化史研究表明，第一期烃类注入发生在上新世中期，主要是少量低熟烃类的注入；第二期烃类注入为大规模油气的注入，发生在上新世晚期，是现今油藏中烃类的主要来源。这一成藏过程经历时间短，是一种快速、高效的成藏方式。


关键词: 新近系油藏, 成藏特征, 流体包裹体, 油气充注, 花土沟油田, 柴达木盆地

Abstract:

Through analyzing the main types, micro-fluorescence and thermodynamic characteristics of fluid inclusions in the Neogene reservoir of Huatugou Oilfield,the process of fluid filling into reservoirs could be divided into two stages including low-temperature and low-salinity fluid, high-temperature and high-salinity fluid. The study on the burial history and thermal history showed that hydrocarbon filling in the first stage was mainly a trace amount of immature hydrocarbon and happened at the middle Pliocene Epoch. The hydrocarbon filling in the second stage was a large scale filling of oil and gas and happened in the late Pliocene Epoch. The second episodic petroleum accumulation process lasted a short time and could be a fast and efficient petroleum-charging model.

Key words: Neogene reservoir, hydrocarbon accumulation characteristics, fluid inclusions, hydrocarbon filling, Huatugou Oilfield, Qaidam Basin

中图分类号:

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许浩张君峰汤达祯尹微张文忠陈晓智. 柴达木盆地花土沟油田新近系油藏成藏特征[J]. 石油学报, 2010, 31(1): 31-35.

XU Hao ZHANG Junfeng TANG Dazhen YIN Wei ZHANG Wenzhong CHEN Xiaozhi. Hydrocarbon accumulation characteristics of the Neogene reservoirs in Huatugou Oilfield of Qaidam Basin[J]. Editorial office of ACTA PETROLEI SINICA, 2010, 31(1): 31-35.

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柴达木盆地花土沟油田新近系油藏成藏特征

Hydrocarbon accumulation characteristics of the Neogene reservoirs in Huatugou Oilfield of Qaidam Basin

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