深水水道形态定量分析及沉积模拟——以西非Gengibre油田为例

doi:10.7623/syxb201501005

石油学报 ›› 2015, Vol. 36 ›› Issue (1): 41-49.DOI: 10.7623/syxb201501005

深水水道形态定量分析及沉积模拟——以西非Gengibre油田为例

张文彪¹, 陈志海¹, 刘志强¹, 许华明¹, 林煜², 王静伟¹, 徐睿¹

1. 中国石油化工股份有限公司石油勘探开发研究院北京 100083;
2. 中国石油集团东方地球物理勘探有限责任公司油藏地球物理研究中心河北涿州 072050

收稿日期:2014-07-17 修回日期:2014-12-08 出版日期:2015-01-25 发布日期:2014-12-09
通讯作者: 张文彪, 男, 1984年3月生, 2009年获中国石油大学(北京)学士学位, 2012年获中国石油大学(北京)硕士学位, 现为中国石油化工股份有限公司石油勘探开发研究院工程师, 主要从事深水油气开发地质方面研究工作.Email:zwb.syky@sinopec.com
作者简介:张文彪, 男, 1984年3月生, 2009年获中国石油大学(北京)学士学位, 2012年获中国石油大学(北京)硕士学位, 现为中国石油化工股份有限公司石油勘探开发研究院工程师, 主要从事深水油气开发地质方面研究工作.Email:zwb.syky@sinopec.com
基金资助:
中国石油化工股份有限公司科技开发部项目(P12100)资助.

Morphology quantitative analysis and simulation of deepwater channel: a case study of Gengibre oilfield in west Africa

Zhang Wenbiao¹, Chen Zhihai¹, Liu Zhiqiang¹, Xu Huaming¹, Lin Yu², Wang Jingwei¹, Xu Rui¹

1. Sinopec Exploration & Production Research Institute, Beijing 100083, China;
2. Research Centre of Reservoir Geophysics, CNPC Geophysical Company Limited, Hebei Zhuozhou 072750, China

Received:2014-07-17 Revised:2014-12-08 Online:2015-01-25 Published:2014-12-09

摘要/Abstract

摘要：

由于深水水道油藏多位于深海区,受作业成本限制,其开发井距往往较大,难以通过密井网多井拟合获取沉积定量关系.为此,利用西非Gengibre油田深水区浅层沉积高频地震资料,对陆坡区深水水道沉积特征和定量关系进行了研究,并指导深层稀井网油田水道储层模拟,提出了基于沉积定量分析的深水水道模拟思路.研究结果表明:单一水道呈整体迁移方式,迁移模式包含"侧向迁移"和"沿古流向迁移"2种类型,定量沉积分析结果认为单一水道的宽度与深度之间存在较好的正相关性;浅层高频地震资料弥补了深层地震分辨率不足的缺陷,稀井网下深水水道模拟选用基于目标方法更为合适,模拟结果符合地质认识;将沉积定量认识整合到沉积相建模中,拓宽了相建模的思路,具有推广价值.研究成果不仅可以完善深水水道定量分布模式,而且对于高效开发深水水道油藏具有实用价值.

关键词: 形态学, 沉积模式, 定量分析, 深水水道, 基于目标建模

Abstract:

Since most oil reservoirs of deepwater channel are located in abysmal area, the well spacing is large as limited by operation cost, and thus it is difficult to obtain the depositional quantitative relationship between channels through multi-well fitting in dense well pattern. Therefore, the quantitative relationship and sedimentary characteristics of deepwater channel in slope area were studied using the high-frequency seismic data of deepwater shallow sediments of Gengibre oilfield in west Africa, thus guiding the simulation of channel reservoirs in deep-buried sparse well pattern of oilfield. Then a deepwater channel simulation scheme was proposed based on depositional quantitative analysis. The results show that single channel presents an overall migration pattern, which includes migration along palaeo-current and lateral migration. The quantitative analysis results indicate there exists a relatively good positive correlation between the width and depth of single channel. The shallow-layer high-frequency seismic data compensates for the low resolution of deep-layer seismic data. Object-based simulation method is more applicable for deepwater channels in sparse well pattern, and the simulation result is consistent with geological knowledge. The integration of quantitative depositional knowledge into sedimentary facies modeling has expanded the idea of reservoir modeling and is worth to be promoted. The research result can not only improve the quantitative distributional pattern of deepwater channel, but also has a practical value for effectively developing deepwater channel reservoirs.

Key words: morphology, sedimentary model, quantitative analysis, deepwater channel, Object-based modeling

中图分类号:

TE122

张文彪, 陈志海, 刘志强, 许华明, 林煜, 王静伟, 徐睿. 深水水道形态定量分析及沉积模拟——以西非Gengibre油田为例[J]. 石油学报, 2015, 36(1): 41-49.

Zhang Wenbiao, Chen Zhihai, Liu Zhiqiang, Xu Huaming, Lin Yu, Wang Jingwei, Xu Rui. Morphology quantitative analysis and simulation of deepwater channel: a case study of Gengibre oilfield in west Africa[J]. Acta Petrolei Sinica, 2015, 36(1): 41-49.

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深水水道形态定量分析及沉积模拟——以西非Gengibre油田为例

Morphology quantitative analysis and simulation of deepwater channel: a case study of Gengibre oilfield in west Africa

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