渤海湾盆地廊固凹陷地层水化学纵向分带性与油气富集

张小莉; 查明; 赫拴柱; 王鹏

doi:10.11781/sysydz200602187

渤海湾盆地廊固凹陷地层水化学纵向分带性与油气富集

doi: 10.11781/sysydz200602187

1.
中国石油大学, 地球资源与信息学院, 山东, 东营, 257061
2. 西北大学, 地质学系大陆动力学教育部重点实验室, 西安, 710069
3. 中国石油, 华北油田, 采袖四厂, 河北, 廊坊, 065000

基金项目: 国家重点基础研究发展计划(973计划)项目(2003CB214602)

详细信息

作者简介:
张小莉(1968- ),女(汉族),河南濮阳人,在读博士生,主要从事石油地质及测井资料处理与解释方面的科研与教学工作.

中图分类号: TE133
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- 被引次数: 0
出版历程
- 收稿日期: 2005-08-29
- 修回日期: 2006-01-20
- 刊出日期: 2006-03-28

RELATIONSHIPS BETWEEN FORMATION WATER VERTICAL ZONING AND OIL AND GAS ENRICHMENT IN LANGGU SAG OF THE BOHAIWAN BASIN

1.
China University of Petroleum, Dongying, Shandong 257061, China
2. Key Laboratory for ContinentalDynamics of the Ministry of Education, Department of Geology, Northwest University, Xi'an, Shaanxi710069, China
3. The 4th Production Plant, Huabei Oilfield, PetroChina, Langfang, Hebei 065000, China

摘要

摘要: 渤海湾盆地廊固凹陷地层水纵向上特征复杂,地层水化学动力带的分布具有明显分带性。通过对廊固凹陷固安-旧州、柳泉-曹家务和河西务构造带上地层水化学动力带纵向特征及其与流体封存箱、油气分布关系探讨认为,地层水化学动力带主要划分为地层水交替流畅带、地层水交替阻滞带、地层水交替迟缓带及3者频繁交替带。地层水交替阻滞带与流体封存箱相吻合,该带也是油气纵向上开始富集的层段;地层水交替迟缓带一般位于流体封存箱之下,是油气富集的区域;水化学动力带频繁交替部位,是地层水矿化度低值背景上的相对高值区域,有利于油气富集。
- 地层水 /
- 水化学动力带 /
- 矿化度 /
- 流体封存箱 /
- 油气富集 /
- 廊固凹陷 /
- 渤海湾盆地
Abstract: Formation water vertical characteristics are complex in Langgu sag,Jizhong depression.The vertical distributions of the formation water chemic and dynamical belts have obvious zoning features.According to the vertical characteristics of the formation water chemic and dynamical belts and the relations with fluid compartment and distribution of oil and gas in Gu'an-Jiuzhou,Liuquan-Caojiawu and Hexiwu tectonic belts,it is considered that formation water can be divided into four belts vertically.They are formation water alternate fluency belt,formation water alternate blocking belt,formation water alternate tardy belt and formation water frequency alternation belt.It is also considered that formation water alternate blocking belt tallies with fluid compartments and is the beginning segments of oil and gas enrichment.Meanwhile,formation water alernate tardy belt basically locates under the fluid compartment and it is the favorable area of oil and gas enrichment.Furthermore,the area with relatively high value of salinity in the lower salinity beckground is available to oil and gas enrichment.
- formation water /
- chemic and dynamical belts /
- salinity /
- fluid compartment /
- oil and gas enrichment /
- the Langgu Sag /
- the Bohaiwan Basin

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