油气化探在低渗透油气资源勘探中的应用&mdash;&mdash;以英南2气藏、鄂尔多斯盆地某油藏为例

蒋涛，汤玉平，吴向华,张恒启

doi:10.11764/j.issn.1672-1926.2013.04.790

天然气地球科学 >

2013 , Vol. 24 >Issue 4: 790 - 797

DOI: https://doi.org/10.11764/j.issn.1672-1926.2013.04.790

天然气地球化学

油气化探在低渗透油气资源勘探中的应用——以英南2气藏、鄂尔多斯盆地某油藏为例

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1.中国石化石油勘探开发研究院无锡石油地质研究所，江苏无锡　214151; 2.中国石化集团资产经营管理有限公司合肥培训测试中心,安徽合肥 230022; 3.安徽省地质矿产勘查局地质实验研究所，安徽合肥　230001

蒋涛1969-，男，四川重庆人，高级工程师，主要从事油气地球化学科研与生产工作.E-mail:tj05hf@163.com.

收稿日期: 2012-12-13

修回日期: 2013-03-08

网络出版日期: 2013-08-10

基金资助

中国石化科研项目“已知油气区近地表地球化学勘探应用研究”编号:P03073资助.

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Application of the Oil and Gas Geochemical Exploration in Low Permeability Oil and Gas Resources Exploration:Taking Yingnan 2 Gas Reservoir and an Ordos Oil Field as Examples

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1.Wuxi Research Institute of Petroleum Geology,Research Institute of Petroleum Exploration and Production,SINOPEC,Wuxi 214151,China；2.Hefei Training and Testing Center of Assets Management Co.Ltd.,SINOPEC,Hefei 230022,China；3.Institute of Geological Experimentation,Anhui Bureau of Geology and Mineral Resources Exploration,Hefei 230001,China

Received date: 2012-12-13

Revised date: 2013-03-08

Online published: 2013-08-10

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摘要

低渗透油气资源包括低渗透油气藏和致密砂岩气藏，低渗透油气勘探对于现阶段油气资源勘探增储上产具有重要的现实意义。油气化探的勘探原理与利用现今动态看待油气资源的勘探思想和理念相一致，它在低渗透油气资源勘探应用方面具有优势。英南2井致密砂岩气藏上方化探异常空间展布规律可对气藏起到指示作用，化探指标高含量“异常”成因很好地证实了该气藏的保存条件差，聚集天然气散失严重的地质推测。鄂尔多斯盆地某油田低渗透油气藏区SC₁、SC⁺₂、DC₁等化探指标异常空间分布特征可较为有效地响应油藏空间分布，辩证地认识研究区化探指标应用效果与正确认识化探异常区与已提交储量勘探区两者间的辩证关系同等重要。2个地区化探应用结果表明化探技术可在低渗透油气资源勘探中发挥重要作用。

关键词： 低渗透油气资源; 油气化探; 勘探实例

本文引用格式

蒋涛，汤玉平，吴向华,张恒启 . 油气化探在低渗透油气资源勘探中的应用——以英南2气藏、鄂尔多斯盆地某油藏为例[J]. 天然气地球科学, 2013 , 24(4) : 790 -797 . DOI: 10.11764/j.issn.1672-1926.2013.04.790

Abstract

The low permeability oil and gas resources include tight sandstone gas reservoirs and low permeability reservoirs,which have an important practical significance to increase the reserve and production in the current oil and gas exploration.Oil and gas geochemical exploration has the same exploration concept with the current dynamic oil and gas resource exploration,and has an advantage in low permeability oil and gas resources exploration.It is effective that geochemical anomaly indicates the reservoirs spatial distribution above the Yingnan 2 well in tight sandstone gas reservoir.Geochemical indicators causing high content of anomalies demonstrate the poor preservation condition of gas reservoir and the heavy lost of accumulated gas.The anomalous distribution characteristics of the geochemical indicators such as SC₁ and SC⁺₂,DC₁ can effectively reflect the distribution of the low permeability oil and gas area of an Ordos Oil Field.It plays an important role for geochemical exploration technology in the low permeability oil and gas resources exploration based on the two regional geochemical explorations.

Key words： Low permeability oil and gas resources; Oil and gas geochemical exploration; Exploration case

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