海底扇水道储层参数建模新思路——以西非A油田为例

doi:10.11743/ogg20170222

石油与天然气地质 ›› 2017, Vol. 38 ›› Issue (2): 407-418.doi: 10.11743/ogg20170222

• 技术方法 • 上一篇

海底扇水道储层参数建模新思路——以西非A油田为例

张佳佳¹, 吴胜和¹, 范廷恩², 范洪军², 蔺鹏¹, 蒋诗宁¹

1. 中国石油大学(北京) 地球科学学院, 北京 102249;
2. 中海油研究总院, 北京 100028

收稿日期:2015-10-30 修回日期:2017-02-15 出版日期:2017-04-28 发布日期:2017-05-04
通讯作者: 吴胜和(1963-),男,教授、博士生导师,储层地质学、油藏描述及三维地质建模。E-mail:reser@cup.edu.cn。 E-mail:reser@cup.edu.cn
作者简介:张佳佳(1990-),男,博士研究生,海底扇储层表征与建模。E-mail:zhangjiajia0103@gmail.com。
基金资助:
国家科技重大专项（2011ZX05030-005-02）。

New method for reservoir petrophysical modeling of submarine fan channels:A case from Oilfield A in West Africa

Zhang Jiajia¹, Wu Shenghe¹, Fan Ting'en², Fan Hongjun², Lin Peng¹, Jiang Shining¹

1. College of Geosciences, China University of Petroleum, Beijing 102249, China;
2. CNOOC Research Institute, Beijing 100028, China

Received:2015-10-30 Revised:2017-02-15 Online:2017-04-28 Published:2017-05-04

摘要/Abstract

摘要： 海底扇水道以深水重力流沉积为主，由于其成因机制复杂，导致岩石相类型多样，储层孔、渗分布复杂且相关性差，这给其储层参数建模带来一定的困难。以西非A油田为例，通过深入分析海底扇水道储层特征及其与地震属性的关系，在常规的“相控协同”建模的基础上，提出了一种适合于海底扇水道储层的“多级相控约束，多重属性协同”的储层参数建模新思路。与常规的相控建模相比，该思路在孔隙度建模中不是单纯的“沉积相控”，而是在相构型建模约束下建立储集相模型，并以储集相模型约束建立孔隙度模型；考虑到深水水道砂体整体孔、渗关系差，但不同岩石相的孔、渗关系较好，故在渗透率建模中增加了“岩石相控”；同时，在常规的协同建模的基础上，该思路还增加了地震属性协同建立储集相模型的环节。

关键词: 储层参数建模, 相控建模, 协同建模, 海底扇水道, 西非

Abstract: Submarine fan channels,mainly deep-water gravity flow deposits,are generally characterized by diverse lithofacies types and poor correlation of porosity-permeability due to the complicated genetic mechanisms,which brings significant challenges to reservoir petrophysical modeling.Taking oilfield A in West Africa as an example,this paper proposes a new method for reservoir petrophyscial modeling of the submarine fan channels based on a comprehensive analysis of re-servoir features and their correlation with seismic attributes.This method features in "multi-facies control and multi-attributes collaboration".In contrast with the traditional facies-controlled modeling in which porosity modeling is simply controlled by sedimentary facies,this method first builds a reservoir facies model under the control of facies architecture model and then build porosity model under the control of the reservoir facies model.Given that the deep-water channel sandbodies show poor porosity-permeability correlation as a whole but good porosity-permeability correlation for different lithofacies,this method further supplements "lithofacies-control" in permeability modeling.Besides,this method also adds seismic-collaboration in the reservoir facies modeling in comparison with the common collaborative modeling.

Key words: reservoir petrophysical modeling, facies-controlled modeling, collaborative modeling, submarine fan channel, West Africa

中图分类号:

TE319

张佳佳,吴胜和,范廷恩,等. 海底扇水道储层参数建模新思路——以西非A油田为例[J]. 石油与天然气地质, 2017, 38(2): 407-418. doi: 10.11743/ogg20170222 Zhang Jiajia,Wu Shenghe,Fan Ting'en,et al. New method for reservoir petrophysical modeling of submarine fan channels:A case from Oilfield A in West Africa[J]. Oil & Gas Geology, 2017, 38(2): 407-418. doi: 10.11743/ogg20170222

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海底扇水道储层参数建模新思路——以西非A油田为例

New method for reservoir petrophysical modeling of submarine fan channels:A case from Oilfield A in West Africa

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