[1]周静毅,潘新朋,黄家琳,等.涠西探区D次洼流二段岩性圈闭地球物理预测及其形成机制[J].复杂油气藏,2021,14(03):31-36.[doi:10.16181/j.cnki.fzyqc.2021.03.006]
 ZHOU Jingyi,PAN Xinpeng,HUANG Jialin,et al.Geophysical prediction and formation mechanism of lithologic traps in the second member of Liushagang Formation,D Subsag,Weixi exploration area[J].Complex Hydrocarbon Reservoirs,2021,14(03):31-36.[doi:10.16181/j.cnki.fzyqc.2021.03.006]
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涠西探区D次洼流二段岩性圈闭地球物理预测及其形成机制()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
14卷
期数:
2021年03期
页码:
31-36
栏目:
油气勘探
出版日期:
2021-10-25

文章信息/Info

Title:
Geophysical prediction and formation mechanism of lithologic traps in the second member of Liushagang Formation,D Subsag,Weixi exploration area
作者:
周静毅1潘新朋2黄家琳1刘婷婷1
1.中国石化上海海洋油气分公司勘探开发研究院,上海 200120;2.中南大学地球科学与信息物理学院,湖南 长沙 410083
Author(s):
ZHOU Jingyi 1PAN Xinpeng2HUANG Jialin1LIU Tingting1
1. Institute of Exploration and Development,SINOPEC Shanghai Offshore Oil&Gas Company,Shanghai 200120,China;2. School of Geosciences and Information Physics,Central South University,Changsha 410083,China
关键词:
地震属性岩性圈闭形成机制砂体预测含油气性预测涠西探区
Keywords:
seismic attributelithologic trapformation mechanismsandbody predictionoil-gas property predictionWeixi exploration area
分类号:
P631
DOI:
10.16181/j.cnki.fzyqc.2021.03.006
文献标志码:
A
摘要:
涠西探区经历了始新世流沙港组时期的湖泊沉积和渐新世涠洲组时期的三角洲沉积,D次洼洼槽-内坡带成熟烃源岩范围区是寻找岩性圈闭的相对最有利地区。为扩大涠西探区的资源潜力,分阶段采用不同的地球物理技术识别流二段岩性圈闭构成元素。利用地震波阻抗反演技术、地震谱分解技术对岩性圈闭进行砂体预测;运用砂体自动追踪技术和地震同相轴解释技术进行砂体顶底界面刻画;运用地震吸收属性分析开展岩性圈闭的含油气性预测。在流二段识别出了浊积砂和砂岩上倾尖灭两种岩性圈闭,并对其做了形成机制分析。流二段岩性圈闭的识别增强了涠西探区的勘探前景。
Abstract:
The Weixi exploration area has experienced lacustrine deposits during the Eocene Liushagang Formation period and delta deposits during the Oligocene Weizhou Formation period.The range of mature source rocks in the D Subsag-inner slope zone is the relatively most favorable area for searching for lithological traps. In order to expand the resource potential of the Weixi exploration area,different geophysical techniques were used to identify the constituent elements of the lithological trap of the second member of the liushagang Formation in stages. Firstly,the sand body prediction of lithologic traps was carried out by using seismic impedance inversion technology and seismic spectrum decomposition technology. Secondly,the interface between the top and bottom of sand body was characterized by sandbody automatic tracking technology and seismic isomorphic axis interpretation technology. Finally,the oil and gas properties of lithologic traps were predicted by using seismic absorption attribute analysis.Two lithologic traps of turbidite sand and sandstone updip pinch-out were identified in the second member of the liushagang Formation,and their formation mechanism was analyzed. The identification of lithologic traps in the second member of the liushagang Formation enhances the prospects for exploration in the Weixi exploration area.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2021-04-16;修回日期:2021-06-20。
第一作者简介:周静毅(1980—),硕士,高级工程师。研究方向为地震资料解释与地震属性分析。E-mail:zhoujingyi.shhy@sinopec.com。
基金项目:涠西高密度三维工区隐蔽圈闭研究(2019-KJC-06)。
更新日期/Last Update: 2021-10-25