大庆长垣西侧扶杨油层油水同层形成及识别

赵文革; 黄薇; 林景晔; 张帆

doi:10.11781/sysydz200605472

大庆长垣西侧扶杨油层油水同层形成及识别

doi: 10.11781/sysydz200605472

1.
成都理工大学, 油气藏地质及开发工程国家重点实验室, 成都, 610059
2. 中国地质大学, 北京, 100083
3. 大庆油田有限责任公司, 勘探开发研究院, 黑龙江, 大庆, 163712

基金项目: 国家科技攻关项目(2003BA613A-01-02).

详细信息

作者简介:
赵文革(1968- ),男(汉族),黑龙江海伦人,博士生、高级工程师,主要从事石油地质科研与管理工作.

中图分类号: TE122.2
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出版历程
- 收稿日期: 2005-12-26
- 修回日期: 2006-07-27
- 刊出日期: 2006-09-28

FORMATION AND IDENTIFICATION OF THE OIL WATER INTERVALS IN FUYU-YANGDACHENGZI PAY ZONE IN THE WEST OF DAQING PLACANTICLINE

1.
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu, Sichuan 610059, China
2. China University of Geosciences, Beijing 100083, China
3. Research Institute of Exploration and Development, Daqing Oilfield Company Ltd., Daqing, Heilongjiang 163712, China

摘要

摘要: 结合松辽盆地大庆长垣西侧扶余、杨大城子油层的勘探实践,从顶生下储的特殊成藏原理出发,详细地讨论了扶余、杨大城子油层的油水层形成机理,提出了2种形成模式。认为扶杨油层的油水同层是在以上覆烃源岩的超压为驱动力的成藏条件下形成,油水混合运移注入储层,由于储层的孔喉小,油水重力分异不好,造成孔隙存油,喉道存水。这种低渗透储层孔隙结构复杂,含油饱和度低,油水在孔隙中分布状况特殊,使得电阻率等曲线反映流体的信息变弱,造成油水层识别变难。为此提出多参数降维油气水层识别方法,经实际应用取得较好的效果。
- 油水同层 /
- 势平衡流 /
- 油水层识别 /
- 扶杨油层 /
- 松辽盆地
Abstract: Starting from the formation principle of the special reservoir with top generation-bottom accumulation and combining the exploration practices for Fuyu-Yangdachengzi pay zone in the west of Daqing placanticline in the Songliao Basin,the formation mechanism of the water/oil intervals in Fuyu-Yangdachengzi pay zone was discussed in detail.Research shows that the water/oil intervals in Fuyu-Yangdachengzi pay zone formed under the reservoir-forming condition of taking the overpressure of overlying source rock as driving force.Oil mixing with water migrate into the reservoir.Because the pore throat of reservoir is small,gravitational differentiation of oil and water is not good leading to the oil in pore and water in throat.For this low permeation reservoir,the pore configuration is complicated,the oil saturation is low and the distribution of oil and water in pore is special.These make the electrical resistance curve reflecting fluid information and the identification of water/oil intervals more difficult.For this reason,the method of distinguishing water/oil/gas intervals by multiple parameter decrease dimensionality is put forword and achieved a good effect in actual application.
- water/oil interval /
- potential balance flow /
- water/oil interval identification /
- the Fuyu-Yangdachengzi pay zone /
- the Songliao Basin

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参考文献(11)

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