利用频谱积分属性评价碳酸盐岩储层
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摘要
滨里海盆地东缘中区块北特鲁瓦油田的碳酸盐岩储层单层厚度小,同时具有缝洞储集空间、基质孔隙储集空间的双重介质储层特征,造成储层与非储层的常规地震属性(如振幅属性、波阻抗等)差异小,采用多维属性交会分析方法预测的储集体高产发育带与实际钻探结果误差较大。为此,本文利用频谱积分属性技术评价碳酸盐岩储层,通过加载基础资料(地震数据、层位、井等)、数据重采样、选择检测时窗、确定频率敏感段、提取相关数据等步骤评价碳酸盐岩储层,基于地震波通过流体储层时,出现"低频共振、高频衰减"的动力学特征,利用油气存储空间属性预测碳酸盐岩储层有利高孔、渗带,利用可动油气孔隙度—产能交会图预测碳酸盐岩储层高产带,利用研究成果指导油田滚动勘探,应用效果较好。
Within thin carbonate reservoir,there is dual medium feature of both fracture-caves and matrix reservoir space in the North Teruwa Field of the eastern fringe of Caspian middle block.There are tiny difference of seismic attributes(amplitude and impedance,etc) between reservoir and non-reservoir,and the difference is evident between actual drilled results and the high-production zones predicted by multiple attributes analysis.In this paper,carbonate reservoirs are evaluated with frequency-spectrum integration.When seismic waves pass fluid-bearing reservoirs,there will be a dynamic feature of 'cooscillation in low frequency and attenuation in high frequency'.In this paper,we show our prediction of high porosity and high permeability zones by storage space attribute and our prediction of high-production zones by the crossplot of mobile hydrocarbon porosity versus deliverability.Good results are acquired when the study conclusions were applied into directing the field exploration.
Within thin carbonate reservoir,there is dual medium feature of both fracture-caves and matrix reservoir space in the North Teruwa Field of the eastern fringe of Caspian middle block.There are tiny difference of seismic attributes(amplitude and impedance,etc) between reservoir and non-reservoir,and the difference is evident between actual drilled results and the high-production zones predicted by multiple attributes analysis.In this paper,carbonate reservoirs are evaluated with frequency-spectrum integration.When seismic waves pass fluid-bearing reservoirs,there will be a dynamic feature of 'cooscillation in low frequency and attenuation in high frequency'.In this paper,we show our prediction of high porosity and high permeability zones by storage space attribute and our prediction of high-production zones by the crossplot of mobile hydrocarbon porosity versus deliverability.Good results are acquired when the study conclusions were applied into directing the field exploration.
引文
[1]白国平.世界碳酸盐岩大油气田分布特征.古地理学报,2006,8(2):241～250Bai Guo-ping.World carbonate rocks big oil-gas fielddistributed characteristic.Journal of Palaeogeogra-phy,2006,8(2):241～250
[2]范嘉松.世界碳酸盐岩油气田的储层特征及其成藏的主要控制因素.地学前缘,2005,12(3):23～29Fan Jia-song.Characteristics of carbonate reservoirsfor oil and gas fields in the world and essential con-trolling factors for their formation.Earth ScienceFrontiers,2005,12(3):23～29
[3]周新源,王招明,杨海军等.中国海相油气田勘探实例之五:塔中奥陶系大型凝析气田的勘探和发现.海相油气地质,2006,11(1):45～51Zhou Xin-yuan,Wang Zhao-ming and Yang Hai-jun etal.Cases of discovery and exploration of marine fieldsin china(Part 5):Tazhong Ordovician condensatefield in Tarim basin.Marine Origin Petroleum Geolo-gy,2006,11(1):45～51
[4]马永生,郭旭升,郭彤楼等.四川盆地普光大型气田的发现与勘探启示.地质论评,2005,51(4):477～480Ma Yong-sheng,Guo Xu-sheng and Guo Tong-lou etal.Discovery of the large-scale Puguang gas field inthe Sichuan basin and its enlightenment for hydrocar-bon prospecting.Geological Review,2005,51(4):477～480
[5]冉隆辉,陈更生,徐仁芬.中国海相油气田勘探实例之一:四川盆地罗家寨大型气田的发现和探明.海相油气地质,2005,10(1):43～47Ran Long-hui,Chen Geng-sheng and Xu Ren-fen.Ca-ses of discovery and exploration of marine fields inchina(Part 1):Discovery and exploration of Luoji-azhai gas field,Sichuan basin.Marine Origin Petro-leum Geology2005,10(1):43～47
[6]赵文智,邹才能,宋岩等.石油地质理论与方法进展.北京:石油工业出版社,2006:165～167
[7]Hampson D P,Schuelke J S and Quirein J A.Use ofmulti-attribute transforms to predict log propertiesfrom seismic data.Geophysics,2001,66(1):220～236
[8]胡学平.一种基于双相介质理论的油气检测技术.物探科技通报,2007,(1):59～62
[9]Hassanzadch H.流体饱和孔隙介质中的地震模拟:一种增强储集层特性的方法.美国勘探地球物理学家学会第58届年会论文集.北京:石油工业出版社,1989,556～559
[10]Biot M A.Theory of propagation of elastic waves in afluid-saturated porous solid I:Low frequency range.JAcoust Soc Am,1956,28:168～178
[11]Geertsma J and Smit D C.Some aspects of elasticwave propagation in fluid-saturated Porous solid.Geo-physics,1961,26:169～181
[12]Theodoros Klimentos and Clive McCann.Why is theBiots low compressional wave notobserved in realrocks?Geophysics,1988,53:1605～1609
[13]张应波.Biot理论应用于地震勘探的探索.石油物探,1994,33(4):29～38Zhang Ying-bo.The Biot theory applies in the seismicsurvey exploration.GPP,1994,33(4):29～38
[14]撒利明,梁秀文,刘全新.一种基于多相介质理论的油气检测方法.勘探地球物理进展,2002,25(6):32～35Sa Li-ming,Liang Xiu-wen and Liu Quang-xin.Anoil-gas examination method based on multiphase me-dium theory.PEG,2002,25(6):32～35
[15]撒利明,刘全新,梁秀文.一种基于多相介质理论的油气检测方法研究.CPS/SEG 2004国际地球物理会议论文集,2004
[16]张会星,何兵寿,梁秀文.双相介质中地震波动方程正演模拟.CPS/SEG2004国际地球物理会议论文集,2004
[2]范嘉松.世界碳酸盐岩油气田的储层特征及其成藏的主要控制因素.地学前缘,2005,12(3):23～29Fan Jia-song.Characteristics of carbonate reservoirsfor oil and gas fields in the world and essential con-trolling factors for their formation.Earth ScienceFrontiers,2005,12(3):23～29
[3]周新源,王招明,杨海军等.中国海相油气田勘探实例之五:塔中奥陶系大型凝析气田的勘探和发现.海相油气地质,2006,11(1):45～51Zhou Xin-yuan,Wang Zhao-ming and Yang Hai-jun etal.Cases of discovery and exploration of marine fieldsin china(Part 5):Tazhong Ordovician condensatefield in Tarim basin.Marine Origin Petroleum Geolo-gy,2006,11(1):45～51
[4]马永生,郭旭升,郭彤楼等.四川盆地普光大型气田的发现与勘探启示.地质论评,2005,51(4):477～480Ma Yong-sheng,Guo Xu-sheng and Guo Tong-lou etal.Discovery of the large-scale Puguang gas field inthe Sichuan basin and its enlightenment for hydrocar-bon prospecting.Geological Review,2005,51(4):477～480
[5]冉隆辉,陈更生,徐仁芬.中国海相油气田勘探实例之一:四川盆地罗家寨大型气田的发现和探明.海相油气地质,2005,10(1):43～47Ran Long-hui,Chen Geng-sheng and Xu Ren-fen.Ca-ses of discovery and exploration of marine fields inchina(Part 1):Discovery and exploration of Luoji-azhai gas field,Sichuan basin.Marine Origin Petro-leum Geology2005,10(1):43～47
[6]赵文智,邹才能,宋岩等.石油地质理论与方法进展.北京:石油工业出版社,2006:165～167
[7]Hampson D P,Schuelke J S and Quirein J A.Use ofmulti-attribute transforms to predict log propertiesfrom seismic data.Geophysics,2001,66(1):220～236
[8]胡学平.一种基于双相介质理论的油气检测技术.物探科技通报,2007,(1):59～62
[9]Hassanzadch H.流体饱和孔隙介质中的地震模拟:一种增强储集层特性的方法.美国勘探地球物理学家学会第58届年会论文集.北京:石油工业出版社,1989,556～559
[10]Biot M A.Theory of propagation of elastic waves in afluid-saturated porous solid I:Low frequency range.JAcoust Soc Am,1956,28:168～178
[11]Geertsma J and Smit D C.Some aspects of elasticwave propagation in fluid-saturated Porous solid.Geo-physics,1961,26:169～181
[12]Theodoros Klimentos and Clive McCann.Why is theBiots low compressional wave notobserved in realrocks?Geophysics,1988,53:1605～1609
[13]张应波.Biot理论应用于地震勘探的探索.石油物探,1994,33(4):29～38Zhang Ying-bo.The Biot theory applies in the seismicsurvey exploration.GPP,1994,33(4):29～38
[14]撒利明,梁秀文,刘全新.一种基于多相介质理论的油气检测方法.勘探地球物理进展,2002,25(6):32～35Sa Li-ming,Liang Xiu-wen and Liu Quang-xin.Anoil-gas examination method based on multiphase me-dium theory.PEG,2002,25(6):32～35
[15]撒利明,刘全新,梁秀文.一种基于多相介质理论的油气检测方法研究.CPS/SEG 2004国际地球物理会议论文集,2004
[16]张会星,何兵寿,梁秀文.双相介质中地震波动方程正演模拟.CPS/SEG2004国际地球物理会议论文集,2004
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