天然气地质学

东营凹陷各构造区带下第三系成岩演化与次生孔隙发育规律研究

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  • (1.中国地质大学(北京),北京 100083;2.江汉 油田勘探开发研究院,湖北 潜江 433124;3.中国地质科学院地质力学研究所,北京 1 00081;4.胜利石油管理局地质科学研究院,山东 东营 257015) 
陈永峤(1963-),男,湖北浠水人,高级工程师,在读博士,主要从事储 层沉积学、层序地层学等研究.

收稿日期: 2003-07-04

  修回日期: 2003-11-09

  网络出版日期: 2004-02-20

RESEARCH ON DIAGENETIC EVOLUTIVE SUCCESSION AND OCCURRENCE OF SECONDARY POROSITY OF LOWER TERTIARY IN DIFFERENT STRUCTURAL BELT OF DONGYING DEPR ESSION

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  • (1.China University of Geosciences, Beijing 100083, China; 2. Researc h Institute of Exploration and Development, Jianghan Oilfield, Qianjiang 433124,  China; 3. Institute of Geomechanics, CAGS, Beijing, 100081, China; 4. Geoscien ces Institute, Shengli Petroleum  Administration, Dongying 257015, China)

Received date: 2003-07-04

  Revised date: 2003-11-09

  Online published: 2004-02-20

摘要

在研究东营凹陷各构造区带成岩系列和成岩特征的基础上,分析了各构造区带次生孔隙发育的特征和分布,探讨了影响各区带次生孔隙发育的主要原因,总结了各区带次生孔隙的基本发育规律。认为影响各构造区带次生孔隙发育的共同因素为有机质产生的羧酸和CO2、粘土矿物转化过程中释放出的H+;各构造区带的其他影响因素不尽相同,北部陡坡带主要与大气水渗流、不整合面和深部地层水上升有关,南部缓坡带则主要与不整合面有关,中央隆起带则与深部地层水上升有关,洼陷带则受异常高压场的控制。

本文引用格式

陈永峤,于兴河,周新桂,刘计国,陈占坤,张守鹏 . 东营凹陷各构造区带下第三系成岩演化与次生孔隙发育规律研究[J]. 天然气地球科学, 2004 , 15(1) : 68 -74 . DOI: 10.11764/j.issn.1672-1926.2004.01.68

Abstract

Based on the study of Tertiary diagenetic evolutiv e successive and diagenetic characteristics in Dongying depression, the zone num bers of secondary porosity and their depth ranges of all the structural belts ha ve been pointed out, the major controlling factors on secondary porosity are ana lyzed and the occurrence of secondary porosity in each structural belt are summa rized in this article. Humic acids and carbon dioxide generated from matured org anic matter (part of carbone dioxide from inorganic matter)and H+coming  from clay minerals’ transition are the general factors, but there are also the  additional factors in different structural belt: in northern steep slope area,  they are mainly meteoric water and formation water coming from deep; in southern  gentle slope area, referring to unconformity;in central uplift area, formation  water coming from deep; in sag, abnormal overpressure.

参考文献

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