黄骅坳陷中北区沙三段烃源岩热压模拟实验及其压力的影响

李延钧; 陈义才; 张艳云; 廖前进; 孙晓明

doi:10.11781/sysydz200504419

黄骅坳陷中北区沙三段烃源岩热压模拟实验及其压力的影响

doi: 10.11781/sysydz200504419

1.
西南石油学院
成都 610500
2. 成都理工大学, 成都 610059
3. 中国石油大港油田分公司, 天津 300283

基金项目: 四川省重点学科建设项目(SZD0414)。

详细信息

作者简介:
李延钧(1966- ),男(汉族),河南南阳人,副教授、在读博士,主要从事油气地质和应用地球化学的研究和教学工作.

中图分类号: TE122.1
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出版历程
- 收稿日期: 2004-03-17
- 修回日期: 2005-06-17
- 刊出日期: 2005-07-25

SOURCE ROCKS HEAT-PRESS SIMULATION EXPERIMENT AND ITS INFLUENCE WITH PRESSURE IN THE MEMBER 3 OF THE SHAHEJIE FORMATION, MIDDLE-NORTH AREA OF HUANGHUA DEPRESSION

1.
South-West Petroleum Institute, Chengdu, Sichuan 610500, China
2. Chengdu Science and Engineering University, Chengdu, Sichuan 610059, China
3. Dagang Oil field Branch, CNPC, Tienjin 300283, China

摘要

摘要: 热压模拟实验是研究烃源岩生烃能力最直接的方法。该文分别选取黄骅坳陷中北区板桥、歧口和北塘凹陷第三系沙三段烃源岩样品进行热压模拟实验,分析和对比了生烃产物、油气产率和相态特征。结果表明黄骅中北区沙三段烃源岩的生烃能力都较高,最大总产烃率可达300~350kg/t。板桥凹陷深层烃源岩在成熟—高成熟阶段主要生成凝析油气,北塘凹陷和歧口凹陷深层烃源岩在成熟阶段主要生油,高成熟阶段主要生成凝析油气。同时,通过实验压力的改变探讨了压力对生烃产率、生烃产物组成和相态的影响,阐明超压作用改变了传统的生烃模式,使油相出现和存在的深度、范围增大,扩大了找油领域。
- 热压模拟实验 /
- 烃源岩 /
- 油气产率 /
- 生烃产物 /
- 沙三段 /
- 黄骅坳陷
Abstract: The heat-press simulation experiment is the most direct method for studying the ability of hydrocarbon-generating in source rock.This paper selects by examinations respectively three rock samples in the Member 3 of the Shahejie Formation of Banqiao,Qikou and Beitang Depression to do the heat-press simulation experiments,analyzing with contrasted to the hydrocarbon outcomes,the oil-gas production rate and its phase characteristic.The result shows that three source rocks are all the highly ability of hydrocarbon-generating,the biggest hydrocarbon-generating rate can amount to 300～350kg/t.The source rock in deep of Banqiao Depression mainly produces condensation oil-gas during mature-high mature stage,while the source rock in deep of Qikou and Beitang Depression pruduces oil during mature stage,and produces condensation oil-gas during high mature stage.On the experiment,by changing the experiment pressure to study its influence on hydrocarbon-generating rate and outcome constitution and hydrocarbon-generating phase.In the end,the author clarified that superpressure changes the traditional hydrocarbon-generating mode,enlarging depth and scope of existing oil phase,and extending frontier areas to look for oil.
- heat-press simulation experiment /
- source rock /
- oil-gas production rate /
- hydrocarbon-generating outcome /
- the Member 3 of the Shahejie Formation /
- the Huanghua Depression

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