岩性油气藏 ›› 2015, Vol. 27 ›› Issue (1): 26–31.doi: 10.3969/j.issn.1673-8926.2015.01.004

• 油气地质 • 上一篇    下一篇

海拉尔盆地复杂断块油藏优势储层形成机理探讨

王正来1,姜洪福1,关琳琳2,潘中亮1,许艳龙1   

  1.  1. 中国石油大庆油田有限责任公司 海拉尔石油勘探开发指挥部,黑龙江 大庆 163712 ;2. 中国石油大庆油田有限责任公司 大庆职业学院,黑龙江 大庆 163055
  • 出版日期:2015-02-03 发布日期:2015-02-03
  • 第一作者:王正来( 1983- ),男,硕士,工程师,主要从事油藏工程及储层参数解释方面的研究工作。 地址:( 163712 )黑龙江省大庆市让胡路区昆仑大街甲 27 号。 E-mail : hwangzhl@petrochina.com.cn 。
  • 基金资助:

    国家重点基础研究发展计划( 973 )项目“火山岩油气藏的形成机理与分布规律”(编号: 2009CB219300 )资助

Formation mechanism of favorable reservoir of complex fault block reservoir in Hailaer Basin

WANG Zhenglai1, JIANG Hongfu1, GUAN Linlin2, PAN Zhongliang1, XU Yanlong 1   

  1.  1. Hailaer Administration of Petroleum Exploration and Development , PetroChina Daqing Oilfield Company Ltd. ,Daqing 163712 , Heilongjiang , China ; 2. Daqing Vocational College , PetroChina Daqing Oilfield Company Ltd. , Daqing 163055 , Heilongjiang , China
  • Online:2015-02-03 Published:2015-02-03

摘要:

为加快海拉尔盆地已探明石油地质储量的有效动用,以复杂断块油藏储层物性影响因素分析为指导,结合储层参数测井精细解释结果,对优势储层形成机理进行分析。 结果表明:海拉尔盆地南一段沉积相及沉积微相类型控制着储层原始物性的变化,扇三角洲、辫状河三角洲及浊积扇 3 种沉积相类型中,辫状河三角洲的物性较好,其水下分流河道、扇三角洲水下分流河道和浊积水道为优势储层发育相带;压实作用和胶结作用均是造成海拉尔盆地储层物性变差,并导致现今储层微观孔隙结构格局的重要原因;受多种因素控制,储层随埋深增加物性变差,但发育有多个孔渗异常高值区带。 该研究成果为未动用储量区块评价优选指明了方向,也可为其他类似区块的勘探潜力预测提供依据。

关键词: 可溶有机质, 不同赋存状态, 地球化学特征, 泥质烃源岩

Abstract:

 In order to speed up the effective use of proved oil reserves in Hailaer Basin, under the guidance of influencing factors of complex fault block reservoir, combining with fine logging interpretation results of reservoir parameters, this paper analyzed the formation mechanism of favorable reservoir. The results show that sedimentary facies and sedimentary microfacies types control the original reservoir properties change of the first member of Nantun Formation in Hailaer Basin. Among three types of sedimentary facies, the reservoir properties of braided river delta are slightly better than that of fan delta and turbidite fan. The braided river delta underwater distributary channel, fan delta underwater distributary channel and turbidite channel are favorable sedimentary facies belts. Compaction and cementation are the main causes for reservoir tightness, which leads to reservoir microcosmic pore structure nowadays. Controlled by various factors, the reservoir properties are getting worse and worse with increasing burial depth, but there developed several reservoir property abnormal high value zones. This study points out the direction for the non producing reserves research, and provides a useful reference for other similar block potential prediction.

Key words: solvable organic matter, different occurrence states, geochemical characteristics, argillaceous source

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