[1]杜军锋,史文英,胡 兵,等.海上“插线”式高密度三维地震采集处理技术在南海M区勘探中的应用[J].华南地震,2025,(02):168-181.[doi:10.13512/j.hndz.2025.02.19]
DU Junfeng,SHI Wenying,HU Bing,et al.Application of Offshore 3D“Plug-Line”High-Density Seismic Acquisition and Processing Technology in the Exploration of M Area in South China Sea[J].,2025,(02):168-181.[doi:10.13512/j.hndz.2025.02.19]
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海上“插线”式高密度三维地震采集处理技术在南海M区勘探中的应用(
)
华南地震[ISSN:1006-6977/CN:61-1281/TN]
- 卷:
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- 期数:
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2025年02期
- 页码:
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168-181
- 栏目:
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海洋地球物理
- 出版日期:
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2025-06-30
文章信息/Info
- Title:
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Application of Offshore 3D“Plug-Line”High-Density Seismic Acquisition and Processing Technology in the Exploration of M Area in South China Sea
- 文章编号:
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1001-8662(2025)02-0168-14
- 作者:
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杜军锋; 史文英; 胡 兵; 陈慧雯; 于 宏
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中海油田服务股份有限公司物探事业部特普数据中心(湛江),广东 湛江 524057
- Author(s):
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DU Junfeng; SHI Wenying; HU Bing; CHEN Huiwen; YU Hong
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Top Data Center(Zhanjiang), Geophysical Exploration Division , China Oilfield Services Co., ltd., Zhanjiang 524057, China
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- 关键词:
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二次三维; 高密度; 正演模拟; 宽频处理; 融合处理; 古近系
- Keywords:
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Secondary 3D acquisition; High density; Forward modeling; Broadband processing; Fusion pro?cessing; Paleogene system
- 分类号:
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P613.4+6
- DOI:
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10.13512/j.hndz.2025.02.19
- 文献标志码:
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A
- 摘要:
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为了解决地震勘探复杂构造成像难题,近年来研究者提出基于目标勘探的海洋二次三维采集多以宽方位、高覆盖为主,施工难度及采集费用成倍增加。根据当今降本提质增效的需求,通过试验对比5种不同拖缆采集观测系统正演模拟地震剖面,得出“插线式”采集融合地震剖面与高密度采集地震剖面效果相当。该研究以模型正演结论为导向在国内首次创新设计了一种新旧三维“插线式”高密度拖缆采集观测系统;同时针对新旧三维地震资料融合处理开展了技术攻关研究,形成了一套新旧三维“插线式”高密度采集处理技术系列。对比常规采集观测系统,新旧三维“插线式”采集增加了单位面积内炮道密度,缩小了采集面元,大幅提高了覆盖次数,能够达到获取较高质量的高密度地震资料成果的目的。在南海M区古近系复杂构造带应用实践表明,新旧三维“插线式”采集成果能有效改善地震资料成像品质,有效支撑勘探目标评价;为其他海域二次三维勘探部署具有较好的借鉴意义。
- Abstract:
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In order to solve the problem of complex structure imaging in seismic exploration,the proposed marine secondary three-dimensional(3D)acquisition based on target exploration in recent years mainly focuses on wide azimuth and high coverage,but the difficulty of construction and acquisition costs have doubled. According to the current demand for cost reduction and quality and efficiency improvement, the seismic profiles of forward modelling from five different streamer acquisition and observation systems were compared by experiments , and it was concluded that the effect of seismic profiles by“plug-line”acquisition fusion was equivalent to that by high-density acquisition. Based on the results of forward modeling,a new and old 3D“plug-line”high-density streamer acquisition and observation system was designed for the first time in China. At the same time,technical research was conducted on the fusion processing of new and old 3D seismic data,forming a set of new and old 3D “plug-line” high-density acquisition and data processing technologies. Compared with the conventional acquisition and observation system, new and old 3D “plug-line” acquisition increased the gun channel density per unit area, reduced the seismic acquisition bin,and significantly enhanced coverage times,and it could obtain high-quality high-density seismic data results. The application in the paleogene complex structural zone in the M area of the South China Sea shows that the new and old 3D“plug-line”acquisition can effectively improve the imaging quality of seismic data and effectively support the exploration target evaluation. It is of great reference significance for secondary 3D exploration and deployment in other sea areas.
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备注/Memo
- 备注/Memo:
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收稿日期:2024-07-22
基金项目:国家科技重大专项(2016ZX05026-002-004)
作者简介:杜军锋(1987-),男,工程师,主要从事海洋地震资料采集及处理方法研究工作。E-mail:dujf4@cosl.com.cn
更新日期/Last Update:
2025-06-30