东营三角洲前缘坡移扇储集体特征及成因研究

王伟锋; 胡瑜; 于正军; 陈杰; 单晨晨; 张晓杰

doi:10.11781/sysydz201605600

东营三角洲前缘坡移扇储集体特征及成因研究

doi: 10.11781/sysydz201605600

1.
中国石油大学地球科学与技术学院, 山东青岛 266580
2. 中国石化胜利油田物探研究院, 山东东营 257000

基金项目: 中国石化胜利油田分公司科研项目（YKW1405）资助。

详细信息

作者简介:
王伟锋(1958-),男,教授、博士生导师,从事含油气盆地构造、油气储层及油气地质工程等研究和教学工作.E-mail:wangwf@upc.edu.cn.

中图分类号: TE122.2
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- 被引次数: 0
出版历程
- 收稿日期: 2015-09-28
- 修回日期: 2016-07-26
- 刊出日期: 2016-09-28

Reservoir characteristics and genesis of slope fans in Dongying delta front

1.
School of Geosciences, China University of Petroleum, Qingdao, Shandong 266580, China
2. Geophysical Research Institute of SINOPEC Shengli Oilfield, Dongying, Shandong 257000, China

摘要

摘要: 坡移扇是指在地震等因素触发下，三角洲或扇三角洲前缘斜坡带砂体以滑动、滑塌或碎屑流的形式在斜坡带内发生再搬运形成的一种事件性沉积体。经钻井岩心描述、测井、地震资料综合分析，结合野外考察和物理模拟实验研究表明：坡移扇储集体以细、粉砂岩为主，发育块状层理、重荷模、滑塌构造等，测井曲线为中等至高幅的齿化箱型、指形，地震相呈丘形、楔形，中强振幅，岩心和野外地质特征上，坡移扇表现为滑动型砂体、滑塌型砂体以及碎屑流型砂体；根据沉积模拟实验结果，按成因划分出7种坡移扇砂体，并结合东营凹陷牛庄洼陷地质条件对坡移扇的分布进行预测，划分出2个有利勘探目标区。
- 坡移扇 /
- 储集体特征 /
- 成因 /
- 沉积模拟 /
- 三角洲 /
- 东营凹陷
Abstract: Slope fan refers to a sedimentary sand body which evolved from retransportation of delta or fan delta sand. It is caused by earthquakes and other factors and is transported in the form of slide, slump or debris flow. Based on core description, well logging and seismic data, combined with field investigation and sedimentation simulation, the reservoir characteristics and genesis were summarized. The lithology of a slope fan sand body is mainly fine sandstone and siltstone. Sedimentary structures are characterized by massive bedding, load cast and slump structures. It can be identified as a blocky or finger wireline log. The seismic facies is moundy or sphenoid shaped and the amplitude is moderate to strong. Slope fans are manifested as slide, slump and debris flow sand bodies. According to sedimentation simulation, 7 slope fan styles were differentiated. Combined with the geology of the Niuzhuang Subsag in the Dongying Sag, the distribution of slope fans was forecasted and two favorable prospecting target areas of slope fan were identified.
- slope fan /
- reservoir characteristics /
- genesis /
- sedimentation simulation /
- delta /
- Dongying Sag

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