天然气地质学

准噶尔盆地莫索湾—莫北地区八道湾组深部致密储层发育特征及演化模式

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  • 中国石油新疆油田分公司勘探开发研究院,新疆 克拉玛依 834000
孙靖(1982-),男,黑龙江黑河人,工程师,硕士,主要从事沉积、储层、层序地层学以及石油地质综合研究. E-mail:sun19820804@sina.com.cn.

收稿日期: 2015-02-09

  修回日期: 2015-03-14

  网络出版日期: 2015-12-10

基金资助

国家重点基础研究发展计划项目(“973”计划)(编号:2011CB201106);国家科技重大专项(编号:2011ZX05001-006)联合资助.

Deep Tight Reservoir Development Characteristics and Evolution Model of Badaowan Formation in Mosuowan-Mobei Area,Junggar Basin

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  • Research Institute of Exploration and Development,Xinjiang Oilfield Company,PetroChina,Karamay 834000,China

Received date: 2015-02-09

  Revised date: 2015-03-14

  Online published: 2015-12-10

摘要

准噶尔盆地莫索湾—莫北地区八道湾组油气藏储层埋深大于4000m,属典型深部致密储层。利用岩石物性、铸体薄片和扫描电镜等数据和资料,对八道湾组深部储层基本发育特征及演化模式进行了研究。八道湾组储层普遍发育粒内溶孔和粒间溶孔为主的溶蚀型次生孔隙,有效改善和提高了储层质量;储层垂向上以4 100m和4 500m为界,从浅至深划分为原生孔隙带、混合孔隙带和次生孔隙带,八道湾组储层为混合孔隙带和次生孔隙带;储层孔隙经历了由原生孔隙到混合孔隙再到次生孔隙的演化过程,八道湾组深部储层以发育次生孔隙带为主要特征。

本文引用格式

孙靖,宋永,薛晶晶,费李莹,宋明星,常秋生 . 准噶尔盆地莫索湾—莫北地区八道湾组深部致密储层发育特征及演化模式[J]. 天然气地球科学, 2015 , 26(12) : 2275 -2280 . DOI: 10.11764/j.issn.1672-1926.2015.12.2275

Abstract

The burial depth of Badaowan Formation reservoir of Mosuowan-Mobei area in Junggar Basin is more than 4 000m,which belongs to typical deep tight oil & gas reservoir.Basic development characteristics and evolution model of the Badaowan Formation were studied by physical properties,casting thin sections,scanning electron microscope and other data and information.The reservoir widely developed dissolved secondary pores which mainly include intragranular dissolved and intergranular dissolved pores,which effectively improve and enhance the quality of reservoir.The vertical reservoir which is based on 4100m and 4500m for the sector,can be divided into primary,mixed and secondary pore belts from shallow to deep.The Badaowan Formation reservoir is largely the mixed and the secondary pore zone.Reservoir pore experienced the evolutionary process from primary pore to mixed pore and secondary pore,and secondary pore zone is the main feature of the reservoir.

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