[1]于腾飞,商丰凯,陈 林,等.车排子凸起沙一段近源体系沉积相分析与有利相带预测[J].复杂油气藏,2020,13(04):13-17.[doi:10.16181/j.cnki.fzyqc.2020.04.003]
 YU Tengfei,SHANG Fengkai,CHEN Lin,et al.Sedimentary facies analysis and prediction of favorable facies belts in near-source system of the first member of Shawan Formation in Chepaizi Uplift[J].Complex Hydrocarbon Reservoirs,2020,13(04):13-17.[doi:10.16181/j.cnki.fzyqc.2020.04.003]
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车排子凸起沙一段近源体系沉积相分析与有利相带预测()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
13卷
期数:
2020年04期
页码:
13-17
栏目:
油气勘探
出版日期:
2020-12-25

文章信息/Info

Title:
Sedimentary facies analysis and prediction of favorable facies belts in near-source system of the first member of Shawan Formation in Chepaizi Uplift
作者:
于腾飞商丰凯陈 林杨东根
中国石化胜利油田分公司勘探开发研究院,山东 东营 257000
Author(s):
YU TengfeiSHANG FengkaiCHEN LinYANG Donggeng
Exploration and Development Research Institute, Shengli Oilfield Branch, SINOPEC, Dongying 257000, China
关键词:
近源体系扇三角洲沉积相沙湾组车排子凸起
Keywords:
near-source system fan delta faciessedimentary faciesShawan Formation Chepaizi Uplift
分类号:
TE122
DOI:
10.16181/j.cnki.fzyqc.2020.04.003
文献标志码:
A
摘要:
车排子凸起新近系沙湾组一段发育近物源沉积体系扇三角洲相砂体,但由于砂体沉积规律不清,储层非均质性强,一直未获突破。近期通过对近源体系砂岩成分、粒度以及测井曲线特征等因素分析,对沉积特征进行系统研究,认为研究区扇三角洲前缘亚相水下分流河道微相砂体物性好,可以作为优质储层;而平原亚相砂体物性差,虽不能作为储层,但可对前缘亚相砂体起到物性封堵作用,结合顶底板厚层泥岩,可形成岩性圈闭。最终利用波阻抗反演,落实了两类沉积亚相的分布,初步预测了有利砂体的分布范围,对车排子凸起沙一段近源体系勘探起到了很好的指导作用。
Abstract:
Fan delta facies sandbodies of near-source sedimentary system developed in the first member of the Neogene Shawan Formation in the Chepaizi Uplift, but due to unclear sandbody sedimentary rules and strong reservoir heterogeneity, no breakthrough has been achieved in the oil-gas exploration.Recently,through the analysis of the composition,grain size and logging curve characteristics, and other factors of the near-source system sandstone,the sedimentary characteristics have been systematically studied. The analysis results show that the sandbodies of the underwater distributary channel microfacies in the fan delta front subfacies in the study area have good physical properties and can be used as high-quality reservoirs,while the sandbodies of the plain subfacies have poor physical properties. Although it can not be used as a reservoir, it can be used to seal the front subfacies sandbodies. Combined with thick mudstone at the top and bottom, it can form a lithologic trap. Finally, using wave impedance inversion, the distribution range of two types of sedimentary subfacies is confirmed,and the distribution range of favorable sandbodies is preliminarily predicted, which plays a good guiding role in the exploration of near-source system of Shawan Formation in the Chepaizi Uplift.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-12-30;改回日期:2020-08-24。
第一作者简介:于腾飞(1985—),助理研究员,从事油气勘探研究。E-mail:309078578@qq.com。
基金项目:国家科技重大专项“准噶尔盆地碎屑岩层系大中型油气田形成规律与勘探方向”(2016ZX05002-002)。
更新日期/Last Update: 2020-12-31