莺歌海盆地超压带低速泥岩陷阱的甄别及对勘探的启示

doi:10.13810/j.cnki.issn.1000-7210.2016.02.021

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摘要在莺歌海盆地中深层超压带的钻探中遇到低速泥岩,其在地震相上表现为低频强振幅反射特征,与含气砂岩储层反射特征相似。岩石物理分析显示低速泥岩速度低于含气砂岩储层,其波阻抗值与含气砂岩储层相当甚至低于含气砂岩,通过地震相及叠后波阻抗反演等常规地球物理技术无法识别。针对这一问题,对目前莺歌海盆地钻遇低速泥岩的探井数据进行了系统的岩石物理和AVO正演分析,归纳总结了低速泥岩的岩石物理和AVO特征,在此基础上,探讨了利用AVO技术及叠前反演甄别低速泥岩和储层的方法,并取得了一定效果。针对中深层低速泥岩存在的普遍性,进一步提出了有别于低阻抗砂岩反射特征的低速泥岩背景下的高阻抗砂岩储层类型可能成为中深层下步潜在的勘探领域。

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关键词 ：莺歌海盆地, 低速泥岩, 含气砂岩储层, 低频强振幅, 波阻抗反演, AVO技术, 叠前反演

Abstract：Recent drilling in the mid-deep overpressure zone in Yinggehai Basin faces a new challenge of low velocity mudstone trap. Seismic reflection features of low velocity mudstone and gas-bearing sandstone reservoirs are similar and characterized by low frequency and strong amplitude on seismic facies. Based on rock physics analysis, velocity of this kind of mudstone is lower than that of gas-bearing sandstone reservoir; its impedance value is equal to or even lower than that of gas-bearing sandstone. So conventional geophysical approaches such as seismic facies and post-stack wave impedance inversion, cannot identify low velocity mudstone and reservoirs. The trap of low velocity mudstone has become an obstacle to next exploration in Yinggehai Basin. To deal with these problems, we analyze systematically rock physics and AVO forward modeling of drilled wells in Yinggehai Basin and find out some characteristics of rock physics and AVO. On this basis, we use AVO and prestack inversion to distinguish low velocity mudstone from sandstone reservoir and achieve some satisfied results, which will be helpful to the future exploration in the area.

Key words： Yinggehai Basin low velocity mudstone gas-bearing sandstone reservoir low frequency and strong amplitude wave impedance inversion AVO prestack inversion

收稿日期: 2015-03-25

P631

通讯作者: 裴健翔,广东省湛江市坡头区22信箱,524057。Email:peijx@cnooc.com.cn E-mail: peijx@cnooc.com.cn

作者简介: 裴健翔,高级工程师,1970年生;1993年本科毕业于成都理工大学(原成都地质学院)地质学系;1996年毕业于该校地质学系构造地质学专业,获硕士学位;现在中海石油(中国)有限公司湛江分公司勘探开发部从事油气勘探技术管理和石油地质综合研究。

引用本文:

裴健翔, 潘光超, 朱沛苑, 刘峰. 莺歌海盆地超压带低速泥岩陷阱的甄别及对勘探的启示[J]. 石油地球物理勘探, 2016, 51(2): 361-370. Pei Jianxiang, Pan Guangchao, Zhu Peiyuan, Liu Feng. Identification of low velocity mudstone in the mid-deep overpressure zone, Yinggehai Basin. OGP, 2016, 51(2): 361-370.

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http://www.ogp-cn.com/CN/10.13810/j.cnki.issn.1000-7210.2016.02.021 或 http://www.ogp-cn.com/CN/Y2016/V51/I2/361

[1]	张启明.莺-琼盆地的演化与构造-热体制.天然气工业,1999,19(1):12-17.
	Zhang Qiming.Evolution of Ying-Qiong Basin and its tectonic-thermal system. Natural Gas Industry,1999,19(1):12-17.
[2]	胡代圣.莺歌海盆地中央底辟带七年勘探成果总结.中海石油(中国)有限公司湛江分公司内部报告,1997,79-85.
[3]	王振峰,胡代圣.莺歌海盆地中央泥拱构造带大气田勘探方向.天然气工业,1999,19(1):28-30.
	Wang Zhenfeng,Hu Daisheng. Prospecting for giand gas fields in the central mud diaper structure belt in Yinggehai basin. Natural Gas Industry,1999,19(1):28-30.
[4]	谢玉洪,范彩伟.莺歌海盆地东方区黄流组储层成因新认识.中国海上油气,2010,22(6):355-359.
	Xie Yuhong,Fan Caiwei.Some new knowledge about the origin of Huangliu Formation reservoirs in Dongfang area,Yinggehai basin.China Offshore Oil and Gas,2010,22(6):355-359.
[5]	裴健翔,于俊峰,王立锋等.莺歌海盆地中深层天然气勘探的关键问题及对策.石油学报,2011,32(4):573-579 Pei Jianxiang,Yu Junfeng,Wang Lifeng et al.Key challenges and strategies for the success of natural gas exploration in mid-deep strata of the Yinggehai basin.Acta Petrolei Sinica,2011,32(4):573-579.
[6]	王振峰,裴健翔.莺歌海盆地中深层黄流组高压气藏形成新模式——DF14井钻获强超压优质高产天然气.中国海上油气,2011,23(4):213-217.
	Wang Zhenfeng,Pei Jianxiang.A new accumulation model of high pressure gas in Huangliu Formation of the middle-deep interval in Yinggehai basin:the significance of discovering a good-quality gas pay with overpressure and high production in Well DF14.China Offshore Oil and Gas,2011,23(4):213-217.
[7]	潘光超,韩光明,宋瑞有等.莺歌海盆地水道地震相新模式及其含气性预测.石油地球物理勘探,2012,47(6):984-989.
	Pan Guangchao,Han Guangmin,Song Ruiyou et al.The new types of seismic facies and gas-bearing prediction for channels in Yinggegai basin. OGP, 2012,47(6):984-989.
[8]	秦秉让.黔南碳酸盐岩地震"亮点"、"平点"与"暗点"分析.贵州地质,1998,57(4):338-344.
	Qin Binrang.Analyses for bright,faded and darken spots on seismic profiles of carbonate rocks in southern guizhou.Guizhou Geology,1998,57(4):338-344.
[9]	刘伟,曹思远."亮点"型含气储层与薄层调谐的识别.石油地球物理勘探,2015,50(4):678-683.
	Liu Wei,Cao Siyuan.Identification of gas reservoir related with bright spots and thin-bed tuning.OGP,2015, 50(4):678-683.
[10]	Shuey R T.Amplification of the Zoeppritzps equa-tions.Geophysics,1985,50(4):609-614.
[11]	Rutherford S R,Williams R H.Amplitude versus offset variations in gas sands.Geophysics,1987,54(6):680-688.
[12]	Smith G C,Gidlow P M.Weighted stacking for rock property estimation and detection of gas. Geophysical Prospecting,1987,35(9):993-1014.
[13]	Castagna J P.Principles of AVO cross-plotting.The Leading Edge,1997,16(4):337-342.
[14]	张卫卫,何敏,朱明等.应用AVO技术识别深水区非亮点气藏.石油地球物理勘探,2015,50(1):123-128.
	Zhang Weiwei,He Min,Zhu Ming et al.Identification of non-bright-spot gas reservoir with AVO in deep water area. OGP,2015,50(1):123-128.
[15]	崔炯成.高压地层条件下AVO异常陷阱研究.中国海上油气,2012,24(3):21-24.
	Cui Jiongcheng. A study on AVO anomaly pitfalls in overpressured formations. China Offshore Oil and Gas,2012,24(3):21-24.
[16]	何诚,蔡友洪,李邗等.AVO属性交会图解释技术在碳酸盐岩储层预测中的应用.石油地球物理勘探,2005,40(6):711-715.
	He Cheng,Cai Youhong,Li Han et al.Application of AVO attributes crossplot interpretation technique to predict carbonate reservoir.OGP,2005,40(6):711-715.
[17]	董宁,许杰,孙赞东等.泥页岩脆性地球物理预测技术.石油地球物理勘探,2013,48(增刊1):69-74.
	Dong Ning,Xu Jie,Sun Zandong et al.Shale brittleness prediction by geophysical methods. OGP,2013,48(S1):69-74.
[18]	蒋春玲,敬兵,张喜梅等.利用叠前弹性参数反演储层参数.石油地球物理勘探,2011,46(3):452-456 Jiang Chunling,Jin Bing,Zhang Ximei et al.Reservoir parameter inversion with prestack elastic parameter.OGP,2011,46(3):452-456.
[19]	赵建儒,曹雪莲,白军等.储层预测技术在鸡西、柳沟庄地区的应用.石油地球物理勘探,2012,47(增刊1):59-65.
	Zhao Jianru,Cao Xuelian,Bai Jun et al. Reservoir predictions in Yaxi and Liugouzhuang areas.OGP,2012,47(S1):59-65.