[1]郭东鑫,张跃磊,张彦起,等.渝黔湘秀山区块页岩气二维地震勘探研究[J].西安科技大学学报,2014,(02):188-193.
 GUO Dong-xin,ZHANG Yue-lei,ZHANG Yan-qi,et al.2D seismic exploration of Xiushan block shale gas in Chongqing,Guizhou and Hunan[J].Journal of Xi'an University of Science and Technology,2014,(02):188-193.
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2014年02期
页码:
188-193
栏目:
出版日期:
2014-04-30

文章信息/Info

Title:
2D seismic exploration of Xiushan block shale gas in Chongqing,Guizhou and Hunan
文章编号:
1672-9315(2014)02-0188-06
作者:
郭东鑫123张跃磊123张彦起34李宏欣34王明理34
1.国土资源部页岩气资源勘查重点实验室(重庆地质矿产研究院),重庆 400042;
2.重庆市页岩气资源与勘查工程技术研究中心(重庆地质矿产研究院),重庆 400042;
3.重庆豫顺新能源开发利用有限公司,重庆 400042;
4.河南省煤层气开发利用有限公司,河南 郑州 450016
Author(s):
GUO Dong-xin123ZHANG Yue-lei123ZHANG Yan-qi34LI Hong-xin34WANG Ming-li34
1.Key Laboratory of Shale Gas Exploration,Ministry of Land and Resources,Chongqing Institute of Geology and Mineral Resources,Chongqing 400042,China;
2.Chongqing Engineering Research Center for Shale Gas Resource &
Exploration,Chongqing Institute of Geology and Mineral Resources,Chongqing 400042,China;
3.Chongqing Yushun New Energy Development Co.,Ltd.,Chongqing 400042,China;
4.Henan Province Coal-bed Methane Development Co.,Ltd.,Zhengzhou 450016,China
关键词:
渝黔湘秀山区块 页岩气 二维地震勘探 评价流程
Keywords:
Xiushan Block of Chongqing Guizhou and Hunan shale gas 2D seismic exploration evaluation process
分类号:
P 618
文献标志码:
A
摘要:
目前对南方海相地区页岩气的研究多集中在成藏模式、有利区评价等基础地质理论。在应用页岩气地球物理技术进行页岩气高产富集区识别预测和评价方面进行了一些探索,尚未形成一套完整且有别于常规油气勘探技术思路与方法。在野外地质调查和区域地质认识的基础上,渝黔湘秀山页岩气区块部署实施二维地震勘探剖面13条,523.5 km.区内地形复杂,障碍物较多,数据采集难度大; 灰岩出露覆盖范围广,浅层地震地质条件较差,地震记录信噪比低,静校正问题、速度分析困难等问题突出。通过地震资料采集、处理、解释、储层与流体识别等技术一体化攻关,获得了高信噪比地震资料,结合勘查区页岩气地质条件,综合录井、测井等勘查手段,形成一套完整的、针对盆缘山区海相页岩气地球物理勘探技术流程。采集、处理、解释一体化结合:优选最佳基准面静校正方法,解决静校正; 叠前去噪,提高信噪比; 叠加及偏移成像,改善成像质量。探索应用地震储层反演与气层检测技术,预测页岩气“甜点”分布区,为部署井位提供基础。二维勘探精细标定出了2套目的层顶面构造形态和埋深,区内断层以北东向和近南北向为主; 优选了2套目的层有利目标区,部署了2口参数井井位。
Abstract:
At present,most of the research on the marine shale gas in south of China is focus on the basic geological theory which have been centered on its accumulation mode,favorable area evaluation,etc.In the application of geophysical techniques to identify shale gas prediction and evaluation of shale gas yield rich region some explorations carried out,while the complete set of technology idea and method unlike conventional oil and gas exploration is still at the exploratory stage.On the basis of field geological survey and the regional geological understanding,thirteen 2D seismic profiles,totally 523.5 km have been carried out.Since the relief is complex,there are more obstacles,the seismic data acquisition is difficult; wide limestone covering,poor shallow seismic geological conditions,low seismic record S/N ratio,thus caused conspicuous problems in statics correction and velocity analysis.Through integrate research of seismic data acquisition,processing,interpretation,reservoir fluid identification,the seismic data of high signal-to-noise ratio was obtained.And then the mountain marine shale gas geophysical exploration technology was developed with respect of the shale gas geological seismic conditions in the block.The optimal datum static correction method was used to solve static correction,pre-stack de-noising to improve the signal-to-noise ratio,overlay and migration to improve the image quality.On this basis,discover the seismic inversion of reservoir and gas detection technology,provides a solid foundation for Block optimization and well location selection.This prospecting depicted fine the top structural configurations and the buried depths of the Longmaxi groups and the Niutitang groups,East and north of the fault zone near the main north-south; preferably two sets of target layer favorable target areas,the deployment of two parameters wells bit.

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备注/Memo

备注/Memo:
基金项目:重庆市自然科学基金项目(CSTC2012JJB9007); 重庆市科技攻关计划项目(cstc2012gg-yyjsB90004)
通讯作者:郭东鑫(1984-),男,山东临沂人,助理工程师,E-mail:shmilydongxin@163.com
更新日期/Last Update: 2014-04-30