| 塔南断陷陡坡带南屯组岩性油藏形成与分布的主控因素 |
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| 引用本文： | 王显东,贾承造,蒙启安,张革.塔南断陷陡坡带南屯组岩性油藏形成与分布的主控因素[J].石油学报,2011,32(4):564-572. |
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| 作者姓名： | 王显东 贾承造 蒙启安 张革 |
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| 作者单位： | 1中国石油大学油气资源与探测国家重点实验室 北京 102249； 2中国石油大学盆地与油藏研究中心 北京 102249； 3大庆油田有限责任公司勘探开发研究院 黑龙江大庆 163712； 4中国石油学会 北京 100724 |
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| 基金项目： | 国家科技重大专项(2008ZX05001-001-02)“海塔盆地岩性地层油气藏富集规律与目标评价”部分成果 |
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| 摘 要： | 基于地震、钻井、录井、测井及分析化验等资料，对塔木察格盆地塔南凹陷陡坡带南屯组岩性油藏形成与分布的主控因素分析表明，塔南凹陷主裂陷幕发育的南屯组湖进体系域优质烃源岩控制了岩性油气藏的发育层段，烃源岩之下发育的低位体系域砂岩及与烃源岩同期发育的湖进体系域砂体最有利于形成岩性油气藏；塔南凹陷陡坡带表现出了明显的“沟谷控源、断坡控砂”的成盆特点，即同沉积断裂体系活动过程中形成的多方向沟谷控制了沉积物源和扇体走向，而不同类型同沉积断裂组合形成的断裂坡折系统控制了扇体的展布和砂体的分布；陡坡带发育的近岸水下扇扇中亚相为最利于油气储集的亚相相带，最有利于油气储集的微相类型是辫状沟道；储层中含有的凝灰质成分有利于次生孔隙的发育，有效地改善了储层砂岩的储集能力。
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| 关 键 词： | 塔南凹陷 陡坡带 岩性油藏 优质烃源岩 沟谷与断坡 沉积微相 次生孔隙 |
| 收稿时间： | 2010-11-22 |
Main controlling factors of the formation and distribution of Nantun Formation lithologic reservoirs in the abrupt slope zone,Tanan Sag |
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| WANG Xiandong,JIA Chengzao,MENG Qi'an,ZHANG Ge.Main controlling factors of the formation and distribution of Nantun Formation lithologic reservoirs in the abrupt slope zone,Tanan Sag[J].Acta Petrolei Sinica,2011,32(4):564-572. |
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| Authors: | WANG Xiandong JIA Chengzao MENG Qi'an ZHANG Ge |
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| Affiliation: | WANG Xiandong1,2,3 JIA Chengzao4 MENG Qi'an3 ZHANG Ge3(1.State Key Laboratory of Petroleum Resources & Prospecting,China University of Petroleum,Beijing 102249,China,2.Basin & Reservoir Research Center,3.Research Iinstitute of Petroleum Exploration & Development,Daqing Oilfield Company Ltd.,Daqing 163712,4.Chinese Petroleum Society,Beijing 100724,China) |
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| Abstract: | On the basis of seismic,drilling,logging and lab analysis data of the Tanan Sag,Tamsag Basin,analyses of main controlling factors of the formation and distribution of Nantun Formation lithologic reservoirs in its abrupt slope zone indicated that premium source rocks of the Nantun Formation developed in the TST during the primary rifting phase controlled oil-bearing intervals of lithologic reservoirs that were readily formed both in LST sandstones developed beneath the source rock and in TST sandstones devel... |
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| Keywords: | Tanan Sag abrupt slope zone lithologic reservoir excellent source rock cleugh and ramp sedimentary microfacies secondary pore |
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