南黄海盆地青岛坳陷二叠系、三叠系地震属性及其地质意义

doi:10.7623/syxb201206009

石油学报 ›› 2012, Vol. 33 ›› Issue (6): 987-995.DOI: 10.7623/syxb201206009

南黄海盆地青岛坳陷二叠系、三叠系地震属性及其地质意义

林年添 1 　高登辉 2　孙　剑 3 　魏立杰 1　彭　杰 1

1. 山东省沉积成矿作用与沉积矿产重点实验室山东科技大学地质科学与工程学院山东青岛 266510;2. 山东中煤物探测量总公司山东泰安 271021; 3. 中国地质大学地球物理与信息技术学院北京 100083

收稿日期:2012-07-11 修回日期:2012-10-08 出版日期:2012-11-25 发布日期:2012-12-07
通讯作者: 林年添
作者简介:林年添，男，1962年8月生，1986年获江汉石油学院学士学位，2004年获中国科学院地质与地球物理研究所理学博士学位，现为山东科技大学地质科学与工程学院教授，主要从事地震信号处理、成像方法及地质与地球物理综合研究。
基金资助:
国家自然科学基金项目（No.41174098和No.40904009）与国家高科技研究发展计划（863）项目（GZH00800503）资助。

Seismic attributes of the Permian and Triassic in Qingdao depression, South Yellow Sea Basin and their geological significance

LIN Niantian 1　 GAO Denghui 2　 SUN Jian 3 　WEI Lijie 1　 PENG Jie 1

Received:2012-07-11 Revised:2012-10-08 Online:2012-11-25 Published:2012-12-07

摘要/Abstract

摘要：

新一轮的战略性油气地质调查工作在南黄海盆地崂山隆起新近系之下发现了疑似海相地层的有效地震反射，但因针对海相地层的勘探程度低（无井、地震测线稀）等原因，其地层属性至今依然不清楚。本文利用青岛坳陷有限的钻井资料，结合新采集有限的二维地震资料，对青岛坳陷二叠系、三叠系进行了地震属性提取及分析，认为其地震属性特征为：上二叠统龙潭组和大隆组总体表现为中-强振幅、偏低频、平行-近平行较密集地震反射;下三叠统下青龙组为中振幅、中-高频、平行-近平行密集地震反射;下三叠统上青龙组则为弱振幅或空白反射、低-中频、平行-近平行地震反射。预测上二叠统及中-下三叠统主要残存分布于青岛坳陷东侧靠近崂山隆起及勿南沙隆起的部位，并据此推测在崂山隆起及勿南沙隆起区可能残存，是值得探索的勘探领域。对于钻井稀少的低勘探程度区，利用地震多属性分析技术及地震属性特征来识别与预测勘探目的层的分布，对于早期勘探评价具有重要现实意义。

关键词: 南黄海盆地, 青岛坳陷, 二叠系, 三叠系, 地震属性分析, 地层识别

Abstract:

A new round of geologic survey on oil-gas resources recently discovered effective seismic reflection from suspected marine strata beneath the Neogene of Laoshan uplift in South Yellow Sea Basin. But its stratigraphic attribute remains unknown up to now because of the low degree of exploration in marine strata (no exploration wells and lack of seismic profiles). In this paper, we make a seismic multi-attribute analysis on the Permian and Triassic in Qingdao depression using the latest seismic data combined with limited drilling data (such as the WX5-ST1 well). The result shows that these seismic attributes are characterized by the mid-strong amplitude, low frequency, parallel-subparallel and relatively dense seismic reflection for the Permian Longtan and Dalong Formations; the mid amplitude, mid-high frequency, parallel-subparallel and dense seismic reflection for the lower part of the Lower Triassic Qinglong Formation, and the weak amplitude or blank reflection, low-mid frequency, parallel-subparallel seismic reflection for the upper part of the Lower Triassic Qinglong Formation. Therefore, it was predicted that the residual Upper Permian and Middle-Lower Triassic are mainly distributed in areas near Laoshan and Wunansha uplifts in the eastern Qingdao depression, which are worthy of further exploration. As for areas with the low degree of exploration, it is of great practice significance in early exploration and evaluation to identify and predict the distribution of exploration targets by applying the seismic multi-attribute analysis and seismic attribute characteristics.

Key words: South Yellow Sea Basin, Qingdao depression, Permian, Triassic, seismic attribute analysis, formation identification

林年添高登辉孙　剑魏立杰彭　杰 . 南黄海盆地青岛坳陷二叠系、三叠系地震属性及其地质意义[J]. 石油学报, 2012, 33(6): 987-995.

LIN Niantian GAO Denghui SUN Jian WEI Lijie PENG Jie . Seismic attributes of the Permian and Triassic in Qingdao depression, South Yellow Sea Basin and their geological significance[J]. Editorial office of ACTA PETROLEI SINICA, 2012, 33(6): 987-995.

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南黄海盆地青岛坳陷二叠系、三叠系地震属性及其地质意义

Seismic attributes of the Permian and Triassic in Qingdao depression, South Yellow Sea Basin and their geological significance

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