Potential exploration targets of the northern margin of Qaidam Basin suggested from the breakthrough of Mahai Dahonggou Uplift

doi:10.7623/syxb200503004

Editorial office of ACTA PETROLEI SINICA ›› 2005, Vol. 26 ›› Issue (3): 21-25.DOI: 10.7623/syxb200503004

• Petroleum Exploration • Previous Articles Next Articles

Potential exploration targets of the northern margin of Qaidam Basin suggested from the breakthrough of Mahai Dahonggou Uplift

WANG Li^1,2, XU Feng², PANG Xiong¹, CHEN Yan², PENG Li³

1. Key Laboratory of Hydrocarbon Accumulation of the Ministry of Education, China University of Petroleum, Beijing 102249, China;
2. Qinghai Oilfield Company, CNPC, Dunhuang 736202, China;
3. Tsinghua University, Beijing 100084, China

Received:2004-09-01 Revised:2004-12-14 Online:2005-05-25 Published:2010-05-21

马海大红沟凸起油气勘探成果与柴达木盆地北缘的勘探方向

汪立群^1,2, 徐凤银², 庞雄奇¹, 陈琰², 彭立才³

1. 中国石油大学教育部成藏机理重点实验室北京 102249;
2. 中国石油青海油田公司甘肃敦煌 736202;
3. 清华大学北京 100084

作者简介:汪立群,男,1964年2月生,1985年毕业于华东石油学院,现为中国石油青海油田分公司研究院高级工程师,中国石油大学(北京)博士研究生,主要从事石油地质方面的研究工作.E-mail:wanglqqh@petrochina.com.cn

Abstract

Abstract: The essential oil and gas pool-forming conditions of the uplift in the northern margin of Qaidam Basin including source rocks,assemblages of reservoirs and cap rocks,tectonic characters and its evolution,and types of pool-forming were analyzed. Oil and gas accumulated on Mahai-Dahonggou paleo-uplift mainly come from the adjacent Jurassic hydrocarbon-generation depression. The pool is characterized by more sources,thick layers,a long distance of oil-gas migration,abundant traps and large scale pools. The analysis on the main pool-forming controlling factors of the area shows that three paleo-uplifts will be the potential exploration targets in the northern margin of Qaidam Basin.

Key words: northern margin of Qaidam Basin, paleo-uplift, oil and gas pool-forming, main controlling factors, potential exploration target

摘要： 对柴达木盆地北缘马海-大红沟凸起区的勘探成果及油气成藏条件(包括烃源岩、储盖组合、构造与演化特征、成藏类型等)的分析结果表明,该区油气主要来源于周围的侏罗系生油凹陷,具有油气源多、储层厚度大、油气运移距离远、圈闭发育和油藏分布多的特点。对其油气成藏主控因素的分析结果表明,柴达木盆地北缘发育的3大古凸起区是今后勘探的有利目标。

关键词: 柴达木盆地北缘, 古凸起, 油气成藏, 主控因素, 有利勘探方向

CLC Number:

TE15

WANG Li, XU Feng, PANG Xiong, CHEN Yan, PENG Li. Potential exploration targets of the northern margin of Qaidam Basin suggested from the breakthrough of Mahai Dahonggou Uplift[J]. Editorial office of ACTA PETROLEI SINICA, 2005, 26(3): 21-25.

汪立群, 徐凤银, 庞雄奇, 陈琰, 彭立才. 马海大红沟凸起油气勘探成果与柴达木盆地北缘的勘探方向[J]. 石油学报, 2005, 26(3): 21-25.

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Potential exploration targets of the northern margin of Qaidam Basin suggested from the breakthrough of Mahai Dahonggou Uplift

马海大红沟凸起油气勘探成果与柴达木盆地北缘的勘探方向

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