油藏裂缝方向表征及渗透率各向异性参数计算

doi:10.7623/syxb201105015

石油学报 ›› 2011, Vol. 32 ›› Issue (5): 842-846.DOI: 10.7623/syxb201105015

油藏裂缝方向表征及渗透率各向异性参数计算

刘月田 1 丁祖鹏 1 屈亚光 1 赵辰军 2

1中国石油大学石油工程教育部重点实验室北京 102249； 2中国石油辽河油田锦州采油厂辽宁锦州 121209

收稿日期:2010-12-03 修回日期:2011-05-20 出版日期:2011-09-25 发布日期:2011-11-28
通讯作者: 刘月田
作者简介:刘月田，男，1965年5月生，1986年毕业于北京大学，现为中国石油大学(北京)石油工程学院教授，博士生导师，主要从事油藏渗流力学、油气田开发及油藏管理研究。
基金资助:
国家科技重大专项(2009ZX05009)“大型油气田及煤层气开发”项目资助。

The characterization of fracture orientation and the calculation of anisotropic permeability parameters of reservoirs

LIU Yuetian 1 DING Zupeng 1 QU Yaguang 1 ZHAO Chenjun 2

Received:2010-12-03 Revised:2011-05-20 Online:2011-09-25 Published:2011-11-28

摘要/Abstract

摘要：

传统裂缝方位角与倾角定义不能全面而方便地体现裂缝对导流的各向异性影响。通过分析裂缝各向异性对导流影响效果，给出了新的裂缝方位角及裂缝倾角定义，基于此定义提出了裂缝渗透率各向异性参数计算方法，该方法可以利用测井数据计算各向异性渗透率主方向和各方向主值之比。针对实际裂缝性油藏的计算表明，该方法简单实用。该方法将静态裂缝表征与裂缝对导流的动态影响相结合，弥补了现行裂缝性油藏渗透率描述计算方法的一个缺陷。

关键词: 裂缝性油藏, 裂缝方位角, 裂缝倾角, 各向异性参数, 定量计算

Abstract:

The traditional definition of fracture azimuth and fracture dip can not fully and expediently reflect the effect of fracture anisotropy on fluid diversion. By analyzing results of this effect, we made a new definition for fracture azimuth and fracture dip, and on the basis of this definition, a new approach was proposed to calculate anisotropic parameters of fracture permeability, which include principal orientations and ratios of individual orientation principal values of the anisotropic permeability. This approach was proved to be simple and applicable by calculating the anisotropic permeability of fractures in a real fractured reservoir because it combines the characterization of static fractures and the dynamic effect of fractures on fluid diversion together and makes up a limitation of the current method in describing and calculating the permeability of fractured reservoirs.

Key words: fractured reservoir, fracture azimuth, fracture dip, anisotropic parameter, quantitative calculation

刘月田丁祖鹏屈亚光赵辰军. 油藏裂缝方向表征及渗透率各向异性参数计算[J]. 石油学报, 2011, 32(5): 842-846.

LIU Yuetian DING Zupeng QU Yaguang ZHAO Chenjun. The characterization of fracture orientation and the calculation of anisotropic permeability parameters of reservoirs[J]. Editorial office of ACTA PETROLEI SINICA, 2011, 32(5): 842-846.

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油藏裂缝方向表征及渗透率各向异性参数计算

The characterization of fracture orientation and the calculation of anisotropic permeability parameters of reservoirs

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