Reservoir type and sedimentary evolution in the continental margin deepwater area of the northern South China Sea

doi:10.7623/syxb200705009

Editorial office of ACTA PETROLEI SINICA ›› 2007, Vol. 28 ›› Issue (5): 51-56.DOI: 10.7623/syxb200705009

• Petroleum Exploration • Previous Articles Next Articles

Reservoir type and sedimentary evolution in the continental margin deepwater area of the northern South China Sea

He Shibin¹, Zhang Gongcheng¹, Mi Lijun^2,3, Wu Shiguo⁴

1. Beijing Research Center, CNOOC China Ltd., Beijing 100027, China;
2. Basin Research Center, China University of Petroleum, Beijing 102249, China;
3. Department of Exploration, CNOOC China Ltd., Beijing 100020, China;
4. Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China

Received:2006-09-30 Revised:2006-11-27 Online:2007-09-25 Published:2010-08-06

南海北部大陆边缘盆地深水区储层类型及沉积演化

何仕斌¹, 张功成¹, 米立军^2,3, 吴时国⁴

1. 中海石油(中国)有限公司北京研究中心北京100027;
2. 中国石油大学盆地研究中心北京102249;
3. 中海石油(中国)有限公司勘探部北京100020;
4. 中国科学院海洋研究所海洋地质与环境重点实验室山东青岛266071

作者简介:何仕斌,男,1966年4月生,1989年获中国地质大学(北京)硕士学位,现为中海石油(中国)有限公司北京研究中心高级工程师,主要从事石油地质学和沉积学研究.E-mail:heshb@cnooc.com.cn
基金资助:
国土资源部全国油气资源战略选区调查与评价项目(XQ-2004-05)“南海北部陆坡深水海域油气资源战略调查及评价”;国家自然科学基金项目(No.40238059);中国科学院三期院创新项目(KZCX2-YW-203)“南海北部深水海域油气勘探的关键问题研究”联合资助

Abstract

Abstract: Reservoir type is relative to the tectonic and sedimentary evolution in the continental margin deepwater area of the northern South China Sea.The continental margin deepwater area of the northern South China Sea experienced three phases of sedimentary evolution including rifting phase,transitional phase from rifting to depression,and depression phase.Different types of reservoirs were developed in different sedimentary evolution phases.The reservoirs in the deepwater area mainly include the fluvial and fan delta sandstones in the Eocene to Lower Oligocene rifting phase,the(fan) delta and littoral-neritic sandstones in the Upper Oligocene transitional phase,and the littoral sandstones,platform carbonate rocks and deepwater turbidite sandstones in Miocene depression phase.The lowstand sandstones,including the slope fan,basin floor fan,progradational wedge and canyon channel,were distributed broadly in the continental margin deepwater area of the northern South China Sea.These sandstone bodies have the enormous exploration potential in deepwater area.

Key words: northern South China Sea, deepwater area, delta sandstone, platform carbonate rock, deepwater turbidite sandstone：lowstand sandstone, exploration potential

摘要： 南海北部大陆边缘盆地深水区储层类型与构造、沉积演化有密切的关系。南海北部陆缘盆地深水区经历了裂陷期、裂坳过渡期、坳陷期3个沉积演化阶段,不同沉积演化阶段发育不同类型的储层。深水区的储层主要包括:始新统—下渐新统裂陷期的河流和扇三角洲相砂岩;上渐新统裂坳过渡期的(扇)三角洲—滨浅海相砂岩;裂后坳陷期中新统的滨海相砂岩、台地碳酸盐岩及深水浊积砂岩。其中,南海北部陆缘深水区广泛分布的斜坡扇、盆底扇、进积楔形体和峡谷水道等低位砂体具有巨大的勘探潜力。

关键词: 南海北部, 深水区, 三角洲相砂岩, 台地碳酸盐岩, 深水浊积砂岩, 低位砂体, 勘探潜力

CLC Number:

TE112.22

He Shibin, Zhang Gongcheng, Mi Lijun, Wu Shiguo. Reservoir type and sedimentary evolution in the continental margin deepwater area of the northern South China Sea[J]. Editorial office of ACTA PETROLEI SINICA, 2007, 28(5): 51-56.

何仕斌, 张功成, 米立军, 吴时国. 南海北部大陆边缘盆地深水区储层类型及沉积演化[J]. 石油学报, 2007, 28(5): 51-56.

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Reservoir type and sedimentary evolution in the continental margin deepwater area of the northern South China Sea

南海北部大陆边缘盆地深水区储层类型及沉积演化

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