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莺歌海盆地乐东区强制海退体系域及其特征

张锐，孙作兴，王英超   

  1. 1.陕西延长石油(集团)有限责任公司研究院， 陕西 西安 102249； 
    2.中国石油勘探开发研究院，北京 100083；
    3.中海油能源发展钻采工程研究院湛江实验中心，广东 湛江 524057
  • 收稿日期:2013-01-17 修回日期:2013-06-05 出版日期:2013-12-10 发布日期:2013-12-10
  • 通讯作者: 张锐ziliang007117@aliyun.com E-mail:ziliang007117@aliyun.com
  • 作者简介:张锐(1983-)，男，湖北枣阳人，工程师，博士，主要从事沉积学和层序地层学研究. E-mail:ziliang007117@aliyun.com.

Forced Regression System Tract and Characteristics of Ledong Area in Yinggehai Basin

ZHANG Rui，SUN Zuo-xing，WANG Ying-chao   

  1. 1.Research Institute, Shaanxi Yanchang Petroleum（Group）Corp.Ltd.,Xi′an 102249, China;
    2.Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China;
    3.CNOOC Energy Technology and Service-oilfield Engineering Research Institute, Zhanjiang 524057, China
  • Received:2013-01-17 Revised:2013-06-05 Online:2013-12-10 Published:2013-12-10

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442

摘要：

莺歌海盆地乐东区中—浅层广泛发育强制海退体系域，通过地震、测井、岩心等资料的综合分析，认为研究区强制海退体系域发育于浅水沉积环境，剖面上表现为沉积楔沿陆坡下倾方向向盆地进积，平面上则表现为滨线近于平行的方式依次向盆地中心迁移。优质储层类型主要包括滨岸砂坝、水道砂和浊积砂。乐东凹陷内强制海退体系域具备形成大型油气藏的良好储层条件，对于该地区的滚动勘探、开发有一定的战略意义。

关键词: 莺歌海盆地, 强制海退, 低位前积体, 储层类型, 滨岸砂坝, 油气勘探

Abstract:

 In the mid-shallow formations of Ledong area of Yinggehai Basin,forced regression system tracts are widely developed.According to the comprehensive analyses of sediments,seismic,logging,core etc.,it is proposed that forced regression system tracts are developed in shallow depositional environment.The depositional wedges prograde toward basin center along downdip direction of the continental slope in section and shorelines migrate toward basin center in turn with method of approximately paralleling in plane.Fine reservoirs include longshore bar,channel sandstone,turbidite sandstone.Forced regression system tracts in Ledong depression area possess the basic condition of forming large-scale oil and gas reservoirs and is strategically important to rolling exploration in the research area.

Key words: Yinggehai Basin, Forced regression, Low prograding wedge, Reservoir type, Longshore bar, Exploration activity

中图分类号: 

  • TE121.3

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