[1]邓 玄,薛国庆,王继成,等.珠江口盆地WCA油田珠江组一段无障壁海岸相沉积特征研究[J].复杂油气藏,2019,12(04):36-41.[doi:10.16181/j.cnki.fzyqc.2019.04.007]
 DENG Xuan,XUE Guoqing,WANG Jicheng,et al.Sedimentary characteristics of wave dominated shorelinefacies without barrier of the first member of Zhujiang Formationof WCA Oilfield in Pearl River Mouth Basin[J].Complex Hydrocarbon Reservoirs,2019,12(04):36-41.[doi:10.16181/j.cnki.fzyqc.2019.04.007]
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珠江口盆地WCA油田珠江组一段无障壁海岸相沉积特征研究()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
12卷
期数:
2019年04期
页码:
36-41
栏目:
油气开发
出版日期:
2019-12-25

文章信息/Info

Title:
Sedimentary characteristics of wave dominated shorelinefacies without barrier of the first member of Zhujiang Formationof WCA Oilfield in Pearl River Mouth Basin
作者:
邓 玄1薛国庆1王继成1赵澄圣2王 静2
1.中海石油(中国)有限公司湛江分公司,广东 湛江 524057; 2.武汉时代地智科技股份有限公司,湖北 武汉 430040
Author(s):
DENG Xuan1XUE Guoqing1WANG Jicheng1ZHAO Chengsheng2WANG Jing2
1. Zhanjiang Branch of China National Offshore Oil Company Ltd., Zhanjiang 524057,China; 2.Wuhan Times GeoSmart Science & Technology Co.Ltd., Wuhan 430040,China
关键词:
沉积特征 临滨亚相 井震结合 构造控砂
Keywords:
sedimentary characteristics coastal subfacies well seismic union sand controlled by structure
分类号:
TE321
DOI:
10.16181/j.cnki.fzyqc.2019.04.007
文献标志码:
A
摘要:
珠江口盆地WCA油田海相砂体沉积规律认识不清,储层非均质性强,生产井开采效果差异大,制约了油气田的开发。基于岩心观察、测井、录井、地震等资料,在“井震结合”的基础上对研究区沉积特征和砂体展布进行分析,并对研究区无障壁海岸相进行分析总结。结果表明:研究区主要发育临滨亚相,包括临滨砂坝主体、砂坝侧缘、裂流沟槽、凹槽、临滨浅滩和临滨泥微相。自下而上水体变深,为一持续的海进过程,局部层段发生海退,砂体在“构造控砂”的背景下,受沿岸流和波浪的影响,在构造高点处平行岸线沉积。
Abstract:
It is not clear that the marine sedimentary sandbody distribution and evolution law in Zhujiang Formation of WCA Oilfield in Pearl River Mouth Basin.The reservoir heterogeneity is much strong, and the waterflooding rule is unknown. So, these restrict the development of oil and gas fields. Based on coring observation, logging, seismic data,it was carried out studies on the sedimentary evolution and sand body distribution with the method of “well seismic union”.On the basis of fine depiction of sandbody,the characteristics of different microfacies sandbodies were analyzed and summarized.The result indicated that the area is mainly developed of the coastal subfacies, including the main body of the sand dam, the side edge of the sand dam, the fissure groove, the concave groove, the shallow beach and the coastal mud.From the bottom to top, the water depth becomes deeper. It appears as a continuous process of transgression, and regression occurs in local. Under the background of “structural control of sand”, the sandbody is deposited along the parallel shoreline at the structural high point under the influence of coastal currents and waves.

参考文献/References:

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相似文献/References:

[1]师国记,周伟,周均,等.永安油田沉积微相及储层特征研究[J].复杂油气藏,2011,(02):43.
[2]张建宁 周 伟  陆 陈.曹庄油田沉积微相及砂体分布规律研究[J].复杂油气藏,2009,(01):48.
 Zhang Jianning,Zhou wei,Lu Chen.Study on sedimentary microfacies and sandbody distribution law of Caozhuang Oilfield[J].Complex Hydrocarbon Reservoirs,2009,(04):48.

备注/Memo

备注/Memo:
收稿日期:2019-04-22; 改回日期:2019-06-05。
第一作者简介:邓玄(1984—),硕士,工程师,从事油气田开发地质和油藏描述研究工作。E-mail:dengxuan@cnooc.com.cn。
更新日期/Last Update: 2019-12-30