|本期目录/Table of Contents|

[1]李 楠 刘志峰 杨东升 朱石磊 陈少平 张 莹.地震属性综合分析技术在河道精细刻画中的应用[J].中国海上油气,2020,32(01):66-73.[doi:10.11935/j.issn.1673-1506.2020.01.007]
 LI Nan LIU Zhifeng YANG Dongsheng ZHU Shilei CHEN Shaoping ZHANG Ying.Application of comprehensive seismic attributes analysis technologyin fine channel characterization[J].China Offshore Oil and Gas,2020,32(01):66-73.[doi:10.11935/j.issn.1673-1506.2020.01.007]
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地震属性综合分析技术在河道精细刻画中的应用()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第32卷
期数:
2020年01期
页码:
66-73
栏目:
油气勘探
出版日期:
2020-01-15

文章信息/Info

Title:
Application of comprehensive seismic attributes analysis technology in fine channel characterization
文章编号:
1673-1506(2020)01-0066-08
作者:
李 楠 刘志峰 杨东升 朱石磊 陈少平 张 莹
(中海油研究总院有限责任公司 北京 100028)
Author(s):
LI Nan LIU Zhifeng YANG Dongsheng ZHU Shilei CHEN Shaoping ZHANG Ying
(CNOOC Research Institute Co., Ltd., Beijing 100028, China)
关键词:
地震属性综合分析 河道精细刻画 广义谱分解技术 分频混色技术
Keywords:
comprehensive analysis of seismic attributes fine channel characterization generalized spectral decomposition technique frequency division color mixing technique
分类号:
TE132.1+4
DOI:
10.11935/j.issn.1673-1506.2020.01.007
文献标志码:
A
摘要:
与断层这类穿时构造不同,河道发育受层序控制而具有短时性,因此利用常规属性难以对河道进行精细刻画。本文以渤中凹陷东北部东营组末期河道为研究对象,首先通过对10种常用属性的对比分析,优选出方差、瞬时相位、90°相移属性并框定了河道的大致分布,但仍不能够准确刻画河道形态。在此基础上,采用基于广义谱分解技术的分频混色技术,提高了地震资料分辨率,降低了解释多解性。最终结合研究区沉积环境,清晰识别出研究区至少发育15条河道,优选出3条河道作为下一步勘探方向,并进一步识别出研究区及其周缘发育3个汇水区。
Abstract:
Different from the time-lapse structures such as faults, the development of river channel is controlled by the sequence and shows the short-time nature. Therefore, it is difficult to accurately characterize the channel using the conventional attributes. In this paper, by taking the channel in the end of the Dongying Formation period in the northeast Bozhong Sag as the research object, firstly, comparison and analysis on 10 common attributes are carried out, the variance, instantaneous phase, and 90° phase shift attributes are optimized to define the approximate distribution of channel; whereas, it is still insufficient to accurately characterize the pattern of channel. On this basis, the generalized spectral decomposition-based frequency division color mixing technology is used to improve the resolution of seismic data and reduce the non-uniqueness of interpretation. Finally, in combination with the sedimentary environments of the study area, at least 15 channels are clearly identified in the study area, 3 channels are selected as the exploration direction in the future, and 3 catchment areas are identified in the study area and its surroundings.

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备注/Memo

备注/Memo:
*“十三五”国家科技重大专项“中国近海富烃凹陷优选与有利勘探方向预测(编号:2016ZX05024-002)”部分研究成果。 第一作者简介: 李楠,男,工程师,2013年毕业于中国地质大学(武汉)能源地质工程专业,获硕士学位,现主要从事地震解释及构造分析方面的工作。地址:北京市朝阳区太阳宫南街6号院中海油大厦A座1101室(邮编:100028)。E-mail:linan21@cnooc.com.cn。
更新日期/Last Update: 2020-01-15