Please wait a minute...
img img
高级检索
地球科学进展  2003, Vol. 18 Issue (2): 312-316    DOI: 10.11867/j.issn.1001-8166.2003.02.0312
研究论文     
西藏措勤盆地油气成藏条件分析
王纪祥1,2,陈清华2,任拥军2
1.中国地质大学,北京 100083;2.石油大学地球资源与信息学院,山东 东营 257061
CONDITIONS FOR THE FORMATION OF OIL AND GAS POOL IN CUOQIN BASIN
Wang Jixiang1,2,Chen Qinghua2,Ren Yongjun2
1.China University of Geosciences, Beijing 100083,China;2.Faculty of Geo-resource and Information in the University of Petroleum,  Dongying 257061,China
 全文: PDF 
摘要:

根据野外地质调查资料,对措勤盆地的油气生成、储集、运移、圈闭等条件进行了分析;认为盆地中发育的主要烃源岩有 7套,岩石类型主要为灰岩,储集层主要为各种灰岩和砂岩;有利的生储盖组合型式主要为自生自储自盖式及互层式生储盖组合;野外调查发现的油气苗及微观包裹体的研究均证实了盆地内油气运移过程的发生;推测盆地内主要的圈闭及油气藏类型为背斜及断层遮挡油气藏,K2-R构造层主要发育完整的背斜油气藏,J-K 1构造层主要发育被断层复杂化的背斜油气藏;建议将主要目的层放在较新的构造层中。

关键词: 措勤盆地成藏条件生储盖组合成藏模式    
Abstract:

    On the basis of the field geologic examination data, the paper systematically studies the conditions of the generation and migration and trap of oil and gas in Cuoqin basin. 
    There are seven sets hydrocarbon source rock in Cuoqin basin. The rock types of the source rock is mostly limestone. These source rocks are in Jiega formation,Langshan formation, Duoba members of Duoni formation, Xiala formation, Dewukaxia formation, Keerduo formation. The source rock of mud rock is mostly shale. It is in Chuanba members of Duoni formation. The result of organic geochemistry analysis has revealed that the source rocks in the Langshan formation, Xiala formation, Dewukaxia formation is better than others in Cuoqin basin.
    The reservoirs are mostly limestone and sandstone in Cuoqin basin. These limestone reservoirs are mostly in Langshan formation, Duoba members of Duoni formation, Xiala formation, Zhalongema formation, Dewukaxia formation, Keerduo formation. The sandstone reservoirs are mostly in Niubao formation, Chuanba members of Duoni formation, Zelong group, Daxiong group, Jienu group, Angjie formation. The reservoirs in Cuoqin basin are mostly inferior reservoir.
    The seals in Cuoqin basin are high quality seal. The best combinations of source rock and reservoir and seal in Cuoqin basin are that the source rock and reservoir and seal are same layer and that the source rock and reservoir is alternate layer.
    Petroleum migration has been confirmed by the surface indication and the microcosmic enclosure in Cuoqin basin.
    In Cuoqin basin, the main types of trap and petroleum pool are anticline trap and fault clock trap. The formation model of petroleum pool is different from each other in every synthem. In K2-R synthem, anticline is the main type of petroleum pool. In J-K1 synthem, the main type of petroleum pool is the anticline that has been modified by fault.
    Due to many times of tectonization that Cuoqin basin has been experienced, it is very disadvantage to the save of petroleum pool. The main aim stratum must be the later synthem.

Key words: Cuoqin basin    Conditions for the formation of petroleum pool    Combination of source rock and reservoir and seal    Formation model of petroleum pool.
收稿日期: 2002-06-10 出版日期: 2003-04-01
:  TE122   
基金资助:

中国石油天然气总公司新区项目“青藏地区措勤盆地区域石油地质调查”(编号:CQ96YZ2-01、02,QZ-97-102110)资助.

通讯作者: 王纪祥     E-mail: 19601210@sina.com
作者简介: 王纪祥(1960-),男,陕西省凤翔县人,副教授,主要从事油气综合勘探研究.E-mail:19601210@sina.com
服务  
把本文推荐给朋友
加入引用管理器
E-mail Alert
RSS
作者相关文章  
任拥军
王纪祥
陈清华

引用本文:

王纪祥,陈清华,任拥军. 西藏措勤盆地油气成藏条件分析[J]. 地球科学进展, 2003, 18(2): 312-316.

Wang Jixiang,Chen Qinghua,Ren Yongjun. CONDITIONS FOR THE FORMATION OF OIL AND GAS POOL IN CUOQIN BASIN. Advances in Earth Science, 2003, 18(2): 312-316.

链接本文:

http://www.adearth.ac.cn/CN/10.11867/j.issn.1001-8166.2003.02.0312        http://www.adearth.ac.cn/CN/Y2003/V18/I2/312

[1] Wang Guanmin. Tectonic-sedimentary evolution of the Cuoqin basin and TTS hydrocarbon potential[J]. Acta Petrolei Sinica,2001,22(1):31-35.[王冠民.西藏措勤盆地构造沉积演化及含油气远景[J].石油学报,2001,22(1):31-35.]

[2] The Minerals Office of Tibet Municipality. Geology of Tibet Municipality [M]. Beijing: The Publishing House of Geosciences, 1993. 137-225. [西藏自治区地质矿产局.西藏自治区区域地质志[M].北京:地质出版社,1993. 137-225.]

[3] Liang Digang, Zhang Shuichang, Zhang Baomin, et al. Understanding on marine oil generation in China based on Tarim basin[J]. Earth Science Frontiers,2000,7(4):534-547.[梁狄刚,张水昌,张宝民,.从塔里木盆地看中国海相生油问题[J].地学前缘,2000,7(4):534-547.]

[4] Tu Jianqi, Jin Kuili. Study and comparison on some important indicators with reference to the degree of organic maturation of marine hydrocarbon-source rocks[J]. Advances in Earth Sciences,1999,14(1):18-23.[涂建琪,金奎励.表征海相烃源岩有机质成熟度的若干重要指标的对比与研究[J].地球科学进展,1999,14(1):18-23.]

[5] Song Quanyou, Ren YongJun. The evaluation of lower cretaceous Duoba formation source rocks in Cuoqin basin, Qingzang plateau[J]. Northwest Geoscience,1999,20(1):27-33. [宋全友,任拥军.青藏措勤盆地早白垩世多巴组烃源岩评价[J].西北地质科学,1999,20(1):27-33.]

[6] Song Quanyou, Chen Qinghua, Chen Shuping. Characteristics of cap rocks in Cuoqin basin,Tibet[J]. Journal of Geomechanics, 1998,4(3):64-69.[宋全友,陈清华,陈书平.西藏措勤盆地盖层条件分析[J].地质力学学报,1998,4(3):64-69.]

[1] 陈冬霞,庞雄奇,姜振学. 透镜体油气成藏机理研究现状与发展趋势[J]. 地球科学进展, 2002, 17(6): 871-876.
[2] 姜振学,庞雄奇,张金川,王德华. 深盆气研究现状综述[J]. 地球科学进展, 2000, 15(3): 289-292.