“动态物源”精细刻画方法与应用——以琼东南盆地崖南凹陷为例

doi:10.3969/j.issn.1673-8926.2017.04.007

岩性油气藏 ›› 2017, Vol. 29 ›› Issue (4): 55–63.doi: 10.3969/j.issn.1673-8926.2017.04.007

“动态物源”精细刻画方法与应用——以琼东南盆地崖南凹陷为例

武爱俊¹, 徐建永¹, 滕彬彬², 肖伶俐¹, 康波¹, 李凡异¹, 印斌浩¹

1. 中海油研究总院, 北京 100028;
2. 中国石油化工股份有限公司石油勘探开发研究院, 北京 100083

收稿日期:2016-10-08 修回日期:2016-12-14 出版日期:2017-07-21 发布日期:2017-07-21
第一作者:武爱俊(1983-),男,硕士,工程师,主要从事海上油气地质综合研究工作。地址:(100083)北京市朝阳区太阳宫南街6号A座1106。Email:wuaj@cnooc.com.cn。
基金资助:
十三五”国家重大科技专项“中国近海富烃凹陷优选与有利勘探方向预测”（编号：2016ZX05024-002）资助

Fine description method of dynamic provenance and its application:a case from Yanan Sag,Qiongdongnan Basin

WU Aijun¹, XU Jianyong¹, TENG Binbin², XIAO Lingli¹, KANG Bo¹, LI Fanyi¹, YIN Binhao¹

1. CNOOC Research Institute, Beijing 100028, China;
2. Research Institute of Petroleum Exploration & Development, Sinopec, Beijing 100083, China

Received:2016-10-08 Revised:2016-12-14 Online:2017-07-21 Published:2017-07-21

摘要/Abstract

摘要： 随着岩性圈闭勘探的深入，常规物源分析方法已经不能满足油气勘探的需求。根据“动态物源”概念，建立了精细刻画“动态物源”系统的研究方法，丰富了物源分析方法体系。该方法从层序界面识别、体系域划分等层序地层学研究入手，结合压实校正、古水深校正等条件的约束，利用地层定量回剥技术恢复不同体系域沉积初期的古地貌，并通过刻画各体系域沉积初期物源区的面积来判断物源供给量的相对大小，从而达到预测储层发育位置的目的。该方法在琼东南盆地崖南凹陷东南部的陵一段进行了应用，发现该区域在低位体系域时期发育面积较大的局部物源，它所提供的砂体，形成了较大规模的扇三角洲岩性圈闭，该圈闭成藏条件较好，有望成为崖南凹陷岩性圈闭勘探突破的目标。

关键词: 地层岩性油气藏, 分布特征, 控制因素, 冀中坳陷, 古近系

Abstract: With the development of lithologic trap exploration,the conventional provenance analysis method cannot meet the demand of oil and gas exploration. Based on the concept of dynamic provenance,a systematic method of fine description of dynamic provenance was established, which enriches the research methods of provenance analysis. Based on the sequence boundary recognition and systems tract division,combined with the constrain of compaction correction and reestablishing of paleo-water depth,this method uses quantitative back-striping technique to restore the paleogeomorphology at early age of different systems tracts. The development scale of clastic reservoir was determined by characterizing the provenance of the initial sediments in each systems tract, so as to predict the development position of the reservoir. This method was applied to lithologic trap research in Yanan Sag of Qiongdongnan Basin. The result shows that there is a short-term but comparatively large-scale provenance region in LST of Lingshui Formation(E₃l¹), which could provide abundant sandbodies to form a large lithologic trap associated with fan delta. This lithologic trap has excellent hydrocarbon accumulation conditions,and it might be a break-through of lithologic reservoir exploration in Yanan Sag.

Key words: stratigraphic-lithologic reservoirs, distribution characteristics, controlling factors, Paleogene, Jizhong Depression

中图分类号:

TE122.2

武爱俊, 徐建永, 滕彬彬, 肖伶俐, 康波, 李凡异, 印斌浩. “动态物源”精细刻画方法与应用——以琼东南盆地崖南凹陷为例[J]. 岩性油气藏, 2017, 29(4): 55–63.

WU Aijun, XU Jianyong, TENG Binbin, XIAO Lingli, KANG Bo, LI Fanyi, YIN Binhao. Fine description method of dynamic provenance and its application:a case from Yanan Sag,Qiongdongnan Basin[J]. Lithologic Reservoirs, 2017, 29(4): 55–63.

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“动态物源”精细刻画方法与应用——以琼东南盆地崖南凹陷为例

Fine description method of dynamic provenance and its application:a case from Yanan Sag,Qiongdongnan Basin

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