叠前AVO反演技术在顺南地区碳酸盐岩储层含油气性预测中的应用

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英文篇名：The Application of Pre-stack AVO Inversion Technology to the Oil-bearing Prediction of Carbonate Reservoirs in Shunnan Area 作者：任丽丹 ; 王鹏 ; 刘成芳 ; 黄超 英文作者：Ren Lidan;Wang Peng;Liu Chengfang;Huang Chao;College of Geophysics and Petroleum Resources,Yangtze University;Research Institute of Exploration & Development,Northwest Oilfield Company of Sinopec; 关键词：碳酸盐岩 ; 储层 ; 叠前AVO反演 ; 模型验证 ; 含油气性 英文关键词：carbonate rock;;reservoir;;pre-stack AVO inversion;;model validation;;oil bearing 中文刊名：GCDQ 英文刊名：Chinese Journal of Engineering Geophysics 机构：长江大学地球物理与石油资源学院;中国石油化工股份有限公司西北油田分公司勘探开发研究院; 出版日期：2018-05-30 出版单位：工程地球物理学报 年：2018 期：v.15 语种：中文; 页：GCDQ201803006 页数：7 CN：03 ISSN：42-1694/TV 分类号：44-50

摘要

近年在塔里木盆地顺南地区沿走滑断裂的碳酸盐岩勘探取得了良好的油气成果,证实了碳酸盐岩断控储层发育的有效性。顺南地区受沙漠地表、储集体埋深等因素影响,信噪比较低,给叠后油气预测带来了极大困难。首先基于实际地震偏移叠加剖面和钻井资料,建立符合顺南地区过井含油气地震地质模型;然后基于逼近实际观测系统的AVO正演模拟的道集数据,验证了叠前AVO同步反演技术在顺南地区含油气预测的适应性,进而将该技术应用于实际地震资料的含油性预测,反演结果与钻井吻合率较高。结果表明,叠前AVO反演技术可以提高碳酸盐岩储层含油气性预测精度,为后续钻井部署提供可靠的依据。
        In recent years,the exploration of carbonate rocks along the strike-slip fault has obtained good oil and gas achievements in the Shunnan area of Tarim basin.The validity of the fracture control reservoir development is verified.Influenced by the deserts surface and large buried depth,the signal to noise ratio(SNR)of seismic data in Shunnan area is low,which has brought great difficulties for the prediction of post-stack oil and gas.Based on the actual seismic shift overlay section and the actual drilling data,this paper establishes a seismic and geological model of oil and gas in Shunnan area.Based on AVO forward modeling data that approach to actual observation system,the adaptability of Pre-stack AVOsynchronous inversion technique is verified.Then,it is applied to the oil-bearing prediction of the actual seismic data,and the inversion result is good with drilling consistency.It is shown that the AVO inversion technique can improve the prediction accuracy of hydrocarbon reservoir in carbonate reservoirs,which provides a reliable basis for subsequent drilling deployment.

引文

[1]李宗杰,王胜泉.地震属性参数在塔河油田储层含油气性预测中的应用[J].石油物探,2004,43(5):453-457.
    [2]李宗杰.正演模拟验证叠前弹性阻抗反演在碳酸盐储层预测中的应用[J],石油物探,2013,52(3):323-328.
    [3]王保才,刘军,马灵伟,等.叠前密度反演技术在顺南地区碳酸盐岩储层预测中的应用[J].工程地球物理学报,2016,13(4):508-512.
    [4]Qi J,J Castagna.Application of a PCA fault-attribute and spectral decomposition in Barnett Shale fault detection[C]//Society of Economic Geologists.SEG Technical Program Expanded,2013:1 421-1 425.
    [5]Qi J,B Zhang,H Zhou,et al.Attribute expression of fault-controlled karst—Fort Worth basin,Texas:A tutorial[J].Interpretation,2014 2(3):SF91-SF110.
    [6]Ostrander W J.Plane-wave reflection coefficients for gas sands at normal angles of incidence[J].Geophysics,1982,49(10):1 637-1 648.
    [7]李建华,刘百红,张延庆,等.叠前AVO反演在储层含油气性预测中的应用[J].石油地球物理勘探,2016,51(6):1 180-1 186.
    [8]Fatti J,Smith G,Vail P,et al.Detection of gas in sandstone reservoirs using AVO analysis:A 3-D seismic case history using the geostack technique[J].Geophysics,1994,59(9),1 362-1 376.
    [9]王保才,刘军,马灵伟,等.塔中顺南地区奥陶系缝洞型储层地震响应特征正演模拟分析[J].石油物探,2014,53(3):344-350.
    [10]刘忠宝,李慧莉,钱一雄,等.塔中古城墟隆起下古生界碳酸盐岩沉积与储层特征[J].地质科学,2012,47(3):640-652.
    [11]李宗杰.塔河油田碳酸盐岩缝洞型储层模型与预测技术研究[D].成都:成都理工大学,2008:110-111.
    [12]王保才,刘军,王鹏,等.顺南地区奥陶系一间房组储层地震预测研究[J].工程地球物理学报,2016,13(3):356-360.
    [13]刘军,任丽丹,李宗杰,等.塔里木盆地顺南地区深层碳酸盐岩断裂和裂缝地震识别与评价[J].石油与天然气地质,2017,38(4):703-710.
    [14]刘军,任丽丹,龚伟.叠前各向异性裂缝预测技术在顺南地区碳酸盐岩领域中的应用研究[J].工程地球物理学报,2017,14(4):463-467.