FAVO反演技术及其在深水砂岩储层中的应用

doi:10.11720/wtyht.2018.1.19

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Abstract

The frequency dependent reflection coefficient can be obtained by time frequency analysis,based on the AVO theory.Using FAVO (Frequency dependent AVO) inversion technique,the authors obtained the property of velocity dispersion degree.Because of the correlation between the velocity dispersion and pore fluid,the property can be used in fluid detection in the reservoir as an identification factor.In this paper,the authors derived the inversion formula and chose the deep-water sandstone reservoir as the research target.The research on gas sand-body characterization and gas content identification was based on 1D numerical model and 2D real section.The inversion results are well coincident with the drilling results,which shows the effectiveness of the technique in fluid identification of deep-water sandstone reservoirs.

Key words： dispersion media reservoir prediction FAVO inversion well-free deepwater sandstone reservoir

Received: 28 November 2016 Published: 20 February 2018

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	Articles by authors
	Yun LING
	Xiang-Dong DU
	Si-Yuan CAO

Cite this article:

Yun LING,Xiang-Dong DU,Si-Yuan CAO. FAVO inversion technique and its application to deep-water sandstone reservoir[J]. Geophysical and Geochemical Exploration, 2018, 42(1): 161-165.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2018.1.19 OR https://www.wutanyuhuatan.com/EN/Y2018/V42/I1/161

	$纵波速度 m s$	$横波速度 m s$	$密度 kg / m 3$	$孔隙度 %$
围岩	2200	1000	2150
含气砂岩	1200	700	2080	30
含水砂岩	1500	850	2120	30

[1]	张金淼,韩文明,范洪耀,等.西非深水区地震勘探关键技术研究及应用实践[J].中国海上油气,2013,25(6):43-47.
[2]	White J E.Computed seismic speeds and attenuation in rocks with partial gas saturation[J].Geophysics,1975,40(2):224-232.
[3]	Johnson D L.Theory of frequency dependent acoustics in patchy-saturated porous media[J].The Journal of the Acoustical Society of America,2001,110(2):682-694.
[4]	Pride S R,Berryman J G,Harris J M.Seismic attenuation due to wave-induced flow[J].Journal of Geophysical Research,2004,109(B1):B01201.
[5]	Chapman M,Zatsepin S V,Crampin S.Derivation of a microstructural poroelastic model[J].Geophysical Journal International,2002,151(2):427-451.
[6]	Chapman M.Frequency-dependent anisotropy due to meso-scale fractures in the presence of equant porosity[J].Geophysical Prospecting,2003,51(1):369-379.
[7]	Chapman M,Maultzsch S,Liu E R,et al.The effect of fluid saturation in an anisotropic multi-scale equant porosity model[J].Journal of Applied Geophysics,2003,54(3-4):191-202.
[8]	Chapman M,Liu E R,Li X Y.The influence of fluid-sensitive dispersion and attenuation on AVO analysis[J].Geophysical Journal International,2006,167(1):89-105.
[9]	Wilson A.Theory and methods of frequency-dependent AVO inversion[D].England:University of Edinburgh,2010.
[10]	陈小宏,田立新,黄饶.地震分频AVO方法研究现状与展望[J].海相油气地质,2009,14(4):60-66.
[11]	刘凤,栾锡武.基于叠前分频的AVO分析在天然气水合物勘探中的应用[C]//中国地球物理2010——中国地球物理学会第二十六届年会、中国地震学会第十三次学术大会论文集.北京:中国地震学会,2010:859-863.
[12]	轩义华,秦成岗,汪瑞良,等.分频AVO技术在珠江口盆地番禺天然气区含气性分析中的应用[J].石油地球物理勘探,2010,45(1):79-84.
[13]	吴小羊. 基于频谱分析技术的频散AVO反演研究[D].北京:中国地质大学,2010.
[14]	刘凤. 基于叠前分频的AVO分析在天然气水合物识别中的应用[D].青岛:中国科学院研究生院(海洋研究所),2011.
[15]	宁媛丽. 频散介质基于反演谱分解的AVO方法研究[D].长春:吉林大学,2012.
[16]	程冰洁,徐天吉,李曙光.频变AVO含气性识别技术研究与应用[J].地球物理学报,2012,55(2):608-613.
[17]	胡玮,韩立国,尚帅.频散属性在致密薄储层识别中的应用[J].石油物探,2014,53(3):367-372.
[18]	Tillotson P,Chapman M,Best A I,et al.Observations of fluid-dependent shear-wave splitting in synthetic porous rocks with aligned penny-shaped fractures[J].Geophysical Prospecting,2011,59(1):111-119.
[19]	Maultzsch S,Chapman M,Liu E R,et al.Modelling frequency-dependent seismic anisotropy in fluid-saturated rock with aligned fractures: implication of fracture size estimation from anisotropic measurements[J].Geophysical Prospecting,2003,51(5):381-392.
[20]	刘琼,陶维祥,于水,等.西非下刚果—刚果扇盆地圈闭类型和分布特征[J].地质科技情报,2013,32(3):107-112,117.