琼东南盆地南部深水区生物礁演化规律及主控因素

唐武，王英民，杨彩虹，张 雷，仲米虹，朱国隆，李 冬

doi:10.11764/j.issn.1672-1926.2013.05.965

天然气地球科学 >

2013 , Vol. 24 >Issue 5: 965 - 974

DOI: https://doi.org/10.11764/j.issn.1672-1926.2013.05.965

天然气地质学

琼东南盆地南部深水区生物礁演化规律及主控因素

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1.中国石油大学(北京)地球科学学院,北京 102249;
2.中国石油大学(北京)油气资源与探测国家重点实验室,北京 102249;
3.中国石油化工股份有限公司上海海洋油气分公司研究院,上海 200120；
4.中石油煤层气有限责任公司，北京 100028;
5.中海石油气电集团有限责任公司技术研发中心，北京 100027;
6.大庆油田海拉尔石油勘探开发指挥部，黑龙江大庆 163000 ；7.中海油研究总院，北京 100027

唐武（1987-），男，湖北荆州人，博士研究生，主要从事沉积学、层序地层学与储层预测方面研究. E-mail：tw_geology@163.com.

收稿日期: 2013-01-28

修回日期: 2013-05-30

网络出版日期: 2013-10-10

基金资助

国家重点基础研究发展规划(973)项目（编号：2009CB219407）;国家自然科学基金项目（编号:41372115）联合资助.

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Evolution and Main Controlling Factors of Reefin the Southern Deepwater of Qiongdongnan Basin

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1.College of Geosciences,China University of Petroleum,Beijing 102249,China;
2.State Key Laboratary of Petroleum Resources and Prospecting,China University of Petroleum,Beijing 102249,China;
3.Institute of Shanghai Offshore Petroleum Branch,SINOPEC,Shanghai 200120,China；
4.PetroChina Coalbed Methane Company Limited,Beijing 100028,China;
5.Research & Development Center of CNOOC Gas & Power Group,Beijing 100027,China;
6.Headquarters of Hailar Petroleum Exploration and Development of Daqing Oilfield Company Ltd.,Daqing 163000,China; 7.Research Center of CNOOC,Beijing 100027,China

Received date: 2013-01-28

Revised date: 2013-05-30

Online published: 2013-10-10

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摘要

为了指导琼东南盆地南部深水区的油气勘探，利用高精度三维地震资料对该区中新世地层开展生物礁识别、演化和主控因素研究，结果表明：生物礁在地震上呈丘状，顶底均为强振幅反射，内部杂乱，局部呈对称状，上覆地层可见上超反射，与LH11-1油田生物礁的地震反射特征极为相似；同时，在平面上研究区生物礁集中于东北部碳酸盐岩台地边缘及台地内部的构造高部位上；垂向上生物礁发育经历了多期的暴露—生长—淹没过程。相对海平面变化控制了生物礁的发育，其中相对海平面下降导致生物礁向海迁移并使早期生物礁遭受淋滤作用；而相对海平面上升引起生物礁向构造高部位迁移。除此之外，构造作用、陆源碎屑供给、古地理及古气候等因素也对生物礁的发育产生影响。

关键词： 生物礁; 演化规律; 主控因素; 琼东南盆地

本文引用格式

唐武，王英民，杨彩虹，张雷，仲米虹，朱国隆，李冬 . 琼东南盆地南部深水区生物礁演化规律及主控因素[J]. 天然气地球科学, 2013 , 24(5) : 965 -974 . DOI: 10.11764/j.issn.1672-1926.2013.05.965

Abstract

In order to direct the petroleum exploration in the southern deepwater area of Qiongdongnan Basin,based on high resolution 3D seismic data,the identification,evolution and main controlling factors of reef in the southern deepwater area of Qiongdongnan Basin were studied.The results show that the seismic features of the reef in this area are mounded reflections,with high amplitude reflections in the bottom and top,but chaotic internal reflections.In local area,it shows symmetrical reflections or onlap reflections on the overlying strata.The seismic reflection characteristics are similar to the reef seismic reflection of LH11-1 Oilfield.Simultaneously,the reef mainly distributes in the margin or the inner high parts of northeastern carbonate platform.Vertically,the reef has experienced the process of exposing-growing-drowning several times,which is determined by the relative sea level changes.The dropping of the relative sea level causes the accretion of reef towards the sea and the leaching of the earlier reef.While,the rise of the relative sea level leads to the reef migrate toward the structure highs.Additionally,tectonic movement,terrestrial material supply,paleogeography and paleoclimate also influence the development of reef.

Key words： Reef; Evolution; Main controlling factors; Qiongdongnan Basin

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