准噶尔盆地阜东斜坡头屯河组微观非均质性与重点短期基准面旋回

柳妮; 唐群英; 刘静; 于景维; 李钦昭; 侯筱晓

doi:10.11781/sysydz201902234

准噶尔盆地阜东斜坡头屯河组微观非均质性与重点短期基准面旋回

doi: 10.11781/sysydz201902234

柳妮¹,
唐群英²,
刘静³,
于景维^4, ,,
李钦昭⁴,
侯筱晓⁴

1. 克拉玛依职业技术学院, 新疆克拉玛依 834000;
2. 中国石油青海油田分公司勘探开发研究院, 甘肃敦煌 736206;
3. 新疆油田公司实验检测研究院节能监测中心, 新疆克拉玛依 834000;
4. 中国石油大学(北京) 克拉玛依校区, 新疆克拉玛依 834000

基金项目:

国家科技重大专项"大型油气田及煤层气开发"项目（2011ZX05001-005-01）、中国石油大学（北京）克拉玛依校区人才引进项目（RCYJ2016B-01-010）、新疆维吾尔自治区青年基金（XJEDU2016S109）和克拉玛依市科技局项目（sk2016-42）资助。

详细信息

作者简介:
柳妮(1985-),女,博士,讲师,从事储层沉积学教学与研究。E-mail:181140974@qq.com。

通讯作者:
于景维(1985-),男,博士,副教授,从事储层沉积学、层序地层学教学与研究。E-mail:yyjjww-1985@163.com。

中图分类号: TE327
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出版历程
- 收稿日期: 2018-10-09
- 修回日期: 2019-02-11
- 刊出日期: 2019-03-28

Microscopic heterogeneity of Toutunhe Formation and its relationship with crucial short-term base level cycle in Fudong slope area, Junggar Basin

1. Karamay Vocational & Technical College, Karamay, Xinjiang 834000, China;
2. Research Institute of Experiment and Detection, Qinghai Oilfield, PetroChina, Dunhuang, Qinghai 736202, China;
3. Energy Saving Monitoring Center of Experiment & Detection Institute, Xinjiang Petroleum Company, Karamay, Xinjiang 834000, China;
4. Karamay Campus of China University of Petroleum, Karamay, Xinjiang 834000, China

摘要

摘要: 为解决准噶尔盆地阜东斜坡区中侏罗统头屯河组岩性油气藏中剩余油难以挖掘以及采收率低等问题，对头屯河组二段储集砂体的微观非均质性特征进行了研究。利用压汞、X-衍射以及扫描电镜资料，通过颗粒非均质性、孔喉非均质性以及填隙物非均质性的分析，认为头二段储集砂体具有较强的微观非均质性。在高分辨层序地层格架内，探索了头二段重点旋回SSC4和SSC7与储集砂体微观非均质性的关系。SSC4上升半旋回内沉积物的供给量不低于可容纳空间（A/S ≤ 1）时，颗粒非均质性与填隙物（主要为杂基）非均质性引起的孔喉非均质性对储集层微观非均质性影响较大；沉积物的供给量低于可容纳空间（A/S>1）时，颗粒非均质性和填隙物（主要为胶结物）非均质性引起的孔喉非均质性对储集层微观非均质性影响较大。SSC7上升半旋回内，由颗粒非均质性引起的孔喉非均质性对储集层微观非均质性影响较大。针对不同重点短期旋回内砂体的开发，应注意判别微观非均质性的强弱变化，做到有的放矢，提高采收效率。
- 微观非均质性 /
- 短期基准面旋回 /
- 头屯河组 /
- 中侏罗统 /
- 阜东斜坡区 /
- 准噶尔盆地
Abstract: The Middle Jurassic Toutunhe Formation in the Fudong slope area of the Junggar Basin is a typical reservoir. Many problems such as remaining oil which is hard to extract and low recovery efficiency are found in deep development. To solve these problems, the microscopic heterogeneity in the second member of Toutunhe Formation was studied. In order to describe grain heterogeneity, pore throat heterogeneity and interstitial material heterogeneity, some methods such as mercury injection, X-ray diffraction and scanning electron microscopy were used to investigate microscopic heterogeneity in detail. Within a high resolution sequence stratigraphic framework, the relationship between crucial short-term base level cycle (SSC4 and SSC7) and microscopic heterogeneity are discussed. Through different structures of cycles because of A/S, pore throat heterogeneity induced by grain heterogeneity and interstitial material heterogeneity (especially matrix) affects reservoir microscopic heterogeneity in rising half cycle in SSC4 under the condition of A/S≤1. Pore throat heterogeneity induced by grain heterogeneity and interstitial material heterogeneity (especially cement) affects reservoir microscopic heterogeneity in rising half cycle in SSC4 under the condition of A/S>1. Pore throat heterogeneity induced by grain heterogeneity affects reservoir microscopic heterogeneity in rising half cycle in SSC7. Drift in intensity of microscopic heterogeneity should be noticed when planning development in reservoir sands in different important short-term cycles in order to enhance oil recovery.
- microscopic heterogeneity /
- short-term base level cycle /
- Toutunhe Formation /
- Middle Jurassic /
- Fudong slope area /
- Junggar Basin

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参考文献(38)

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