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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:

第33卷

期数:

2011年第01期

页码:

84-88

栏目:

基础地质与矿产地质

出版日期:

2011-03-15

文章信息/Info

Title:

Characteristic of Markers for the Stratigraphic Correlation and Subdivision of Guan 1+2 Sand Member in the South Block of Gudao Oilfield

文章编号:

1672-6561(2011)01-0084-05

作者:

乐大发¹; 陈清华²; 张福利³

1.中国石油化工股份有限公司胜利油田分公司 孤岛采油厂,山东 东营 257231; 2.中国石油大学 地球资源与信息学院,山东 青岛 266555; 3.中国石油化工 股份有限公司胜利油田分公司 物探研究院,山东 东营 257022

Author(s):

LE Da-fa¹; CHEN Qing-hua²; ZHANG Fu-li³

1. Gudao Oil Production Factory, Shengli Oilfield Branch Company, China Petroleum and Chemical Corporation, Dongying 257231,Shandong, China; 2. School of Geo-resources and Information, China University of Petroleum,Qingdao 266555, Shandong, China; 3. Inst

关键词:

孤岛油田; 馆1+2砂层组; 河流相; 对比标志; 分布模式; 地层界线

Keywords:

Gudao Oilfield;  Guan 1+2 sand member;  fluvial facies;  correlation marker;  distributed model;  stratigraphic boundary

分类号:

TE122;P618.130.2⁺1

DOI:

-

文献标志码:

A

摘要:

基于沉积学和储层地质学理论,以孤岛油田南区馆1+2砂层组高弯曲流河沉积为例,充分利用密井网条件下的测井资料,研究储层细分对比中的标志类型、特征、分布及其应用。首先,介绍了馆1+2砂层组的测井响应、地震反射等宏观特征;接着,利用感应电导率曲线、自然电位曲线的响应特征寻找细分对比标志;然后,将选取的标志联合使用得到孤岛油田南区馆1+2砂层组的顶面构造图。结果表明:研究区缺少全区性标志,但存在局部性标志;局部性标志有泥岩类、砂岩类、“钙质尖”类、砂泥组合类等4类;泥岩类标志表现出高感应电导率特点,砂岩类标志表现为低电阻率,自然电位曲线呈“箱形”或小型的“钟形”,“钙质尖”类标志表现为高电阻、高微电阻、低声波时差,低自然电位值的尖锋,砂泥组合类标志表现为感应曲线特征的可对比性强;泥岩类和砂岩类标志分布面积较大,呈局部连片状;“钙质尖”类和砂泥组合类标志分布面积较小,呈条带状;上述4类标志在平面上的叠合分布完全覆盖研究区。总之,充分利用好局部性标志,同样能够很好地进行类似地区的储层细分对比。

Abstract:

Based on the theories of sedimentology and reservoir geology, taking Guan 1+2 sand member in the south block of Gudao Oilfield as an example, using the logging data in the condition of dense well patterns sufficiently, the type,characteristic,distribution and application of the markers for stratigraphic correlation and subdivision were studied. Firstly, the macro feature of the Guan 1+2 sand member included logging response, seismic section, etc.; secondly, the marker for stratigraphic correlation and subdivision was confirmed according to the response characteristics of induction conductivity and natural potential curves; thirdly, the confirmed markers were used to obtained the structural contour map of the top boundary of the Guan 1+2 sand member in the south block of Gudao Oilfield. The results showed that the regional marker was lack, but the local markers developed; the local markers included mudstone, sandstone, carbonate, and sand-mudstone combination; the characteristic of mudstone marker was high induction conductivity, sandstone marker was low resistivity and “box-shape” or small “bell-shape” spontaneous potential, carbonate marker was high resistivity and microresistivity, low interval transit time and spontaneous potential, sand-mudstone combination marker was strong comparability of the induction logging curves; the distributed areas of mudstone and sandstone were large, usually connected body; the distributed areas of carbonate and sand-mudstone combination markers were small, usually striped body; the composite distribution of the above four kinds of markers were all around the studied area. In general, the local markers could be used for the stratigraphic correlation and subdivision in similar area completely if the regional marker was lack.

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相似文献/References:

[1]张伟峰,刘守军,李拥安,等.孤岛馆陶组注水开发储层性质动态变化特征研究[J].地球科学与环境学报,2004,26(02):51.
　ZHANG Wei-feng,LIU Shou-jun,LI Yong-an,et al.Study on the dynamic change feature of reservoir property with injection exploitation in Guantao formation of Gudao oil field[J].Journal of Earth Sciences and Environment,2004,26(01):51.

备注/Memo

备注/Memo:

收稿日期:2010-11-15
基金项目: 国家重大科技专项项目(2008ZX05042-001)
作者简介: 乐大发(1966-),男,福建大田人,高级工程师,从事油藏管理研究。E-mail:gdldf@slof.com

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更新日期/Last Update: 2011-03-20