|本期目录/Table of Contents|

[1]邓 勇 潘光超 李 辉 张 毅 任 婷.莺歌海盆地底辟模糊区成因分析及成像对策[J].中国海上油气,2020,32(03):59-68.[doi:10.11935/j.issn.1673-1506.2020.03.007]
 DENG Yong PAN Guangchao LI Hui ZHANG Yi REN Ting.Analysis on genesis and imaging countermeasures on the diapir fuzzy area in Yinggehai basin[J].China Offshore Oil and Gas,2020,32(03):59-68.[doi:10.11935/j.issn.1673-1506.2020.03.007]
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莺歌海盆地底辟模糊区成因分析及成像对策()

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

卷:
第32卷
期数:
2020年03期
页码:
59-68
栏目:
油气勘探(南海西部海域勘探成果专辑)
出版日期:
2020-05-26

文章信息/Info

Title:
Analysis on genesis and imaging countermeasures on the diapir fuzzy area in Yinggehai basin
文章编号:
1673-1506(2020)03-0059-10
作者:
邓 勇 潘光超 李 辉 张 毅 任 婷
(中海石油(中国)有限公司湛江分公司 广东湛江 524057)
Author(s):
DENG Yong PAN Guangchao LI Hui ZHANG Yi REN Ting
(CNOOC China Limited, Zhanjiang Branch, Zhanjiang, Guangdong 524057, China)
关键词:
莺歌海盆地 底辟模糊区 双元结构 干扰波 热流体 裂隙 浅层气屏蔽 成像对策
Keywords:
Yinggehai basin diapir fuzzy area binary structure interference wave thermal fluid fissure shallow gas shielding imaging countermeasure
分类号:
TE132.1+4
DOI:
10.11935/j.issn.1673-1506.2020.03.007
文献标志码:
A
摘要:
莺歌海盆地中央底辟带中深层高温高压领域勘探潜力巨大,但受热流体、裂隙、浅层气屏蔽等多因素影响,该领域的地震资料出现了大片模糊区,模糊区成像问题严重制约了该领域勘探获得突破。为解决中央底辟带中深层模糊区成像问题,系统分析了莺歌海盆地底辟结构特征,认为该地区底辟构造具有下部泥底辟和上部流体底辟的双元结构; 基于底辟模糊区本质认识,开展了地震模糊区成因机理研究,划分了模糊区地震资料干扰波类型,分析了热流体、裂隙、浅层气屏蔽等因素对模糊区成像的影响及贡献,明确了影响模糊区成像的主控因素,提出了改善地震成像的具体对策,为后续地震资料采集及处理提供了指导依据,对推动这一领域勘探具有重要意义
Abstract:
In the central diapir zone of Yinggehai basin, the exploration potential is huge in the high-temperature and high-pressure field in middle and deep formations. However, the seismic data in this area are fuzzy, affected by many factors; for example, thermal fluids, fissures, shallow gas shielding, etc. The imaging in this fuzzy area constrains the exploration breakthrough severely in this area. The diapir structure characteristics in Yinggehai basin have been analyzed systematically in order to solve imaging problems of the fuzzy area in middle-deep formations of central diapir zone. It is thought that the diapir structure in this area have a binary one with lower mud diapir and upper fluid diapir. Based on essential understanding on diapir fuzzy area the following work has been performed; namely, the research on the genetic mechanism of seismic fuzzy area has been conducted; the types of inference waves in seismic data in the fuzzy area have been classified; the factors that affect and contribute to the imaging in the fuzzy area have been analyzed, like thermal fluids, fissures and shallow gas shielding, etc.; main controlling factors that affect the imaging in the fuzzy area have been made clear; and specific countermeasures to improve seismic imaging have been pointed out. All the work could provide guiding reference for follow-up seismic data acquisition and processing, and has important meanings for the promotion of the exploration in this area

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备注/Memo

备注/Memo:
收稿日期:2020-02-27 改回日期:2020-04-14“十三五”国家科技重大专项“莺琼盆地高温高压天然气富集规律与勘探开发关键技术(三期)(编号:2016ZX05024-005)”部分研究成果。 第一作者简介: 邓勇,男,硕士,高级工程师,主要从事与地震勘探有关的技术研究工作。地址:广东省湛江市坡头区中海石油(中国)有限公司湛江分公司(邮编:524057)。E-mail:dengy@cnooc.com.cn。
更新日期/Last Update: 2020-05-30