SLG地区低渗透气藏叠前地震预测技术
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摘要
SLG气田是我国重要的低渗透气田,针对性的有效储层预测技术,对增储上产具有重要意义。通过对叠前地震预测方法在SLG地区的实用性进行分析,认为基于测井资料的地震岩石物理分析技术是叠前地震预测方法不可缺少的基础环节,AVO分析技术和叠前地震反演技术是地震预测技术中最为关键的技术。通过实际应用,这些技术在SLG地区取得较好的应用效果,提高气层预测的准确率。
SLG is an important low permeability gas field in our country.The prediction techniques aimed at effective reservoir have a great significance for the increase of reserve volume and yield.In this paper,the practicability of seismic prediction techniques in SLG area was analyzed.Based on the research of He 8 sandstone reservoir in SLG area,we considered that techniques of seismic rock physical analysis,AVO forward modeling,prestack seismic inversion,effective absorption coefficient and prestack and poststack seismic property integrated description are key seismic prediction techniques to SLG area.These techniques show good effects on SLG area in practical applications.
SLG is an important low permeability gas field in our country.The prediction techniques aimed at effective reservoir have a great significance for the increase of reserve volume and yield.In this paper,the practicability of seismic prediction techniques in SLG area was analyzed.Based on the research of He 8 sandstone reservoir in SLG area,we considered that techniques of seismic rock physical analysis,AVO forward modeling,prestack seismic inversion,effective absorption coefficient and prestack and poststack seismic property integrated description are key seismic prediction techniques to SLG area.These techniques show good effects on SLG area in practical applications.
引文
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[3]Zou Xinning.Research on Identifying Channel Sand of SuligeGas Field in Ordos Basin[D].Xi′an:Northwest University,2006.[邹新宁.鄂尔多斯盆地SLG气田河道砂体识别研究[D].西安:西北大学,2006.]
[4]He Zixin,Fu Jinhua,Xi Shengli,et al.Geological features ofreservoir formation of Sulige gas field[J].Acta Petrolei Sinica,2003,24(2):6-12.[何自新,付金华,席胜利,等.苏里格大气田成藏地质特征[J].石油学报,2003,24(2):6-12.]
[5]Zou Xinning,Sun Wei.Research on petrophysical parametersand seismic response model of He 8Formation[J].Journal ofChina University of Petroleum:Edition of Natural Science,2006,30(2):21-25.[邹新宁,孙卫.盒8地层岩石物理参数及地震响应模型研究[J].中国石油大学学报:自然科学版,2006,30(2):21-25.]
[6]Shi Songqun,Zhao Yuhua.Research on gas-bearing predictionusing AVO in sandstone reservoir with low-impedance in Su-lige gas field[J].Oil Geophysical Prosecting,2003,28(1):77-83.[史松群,赵玉华.SLG气田低阻砂岩储层的含气性预测研究[J].石油地球物理勘探,2003,28(1):77-83.]
[7]Li Hailiang,Gao Jianhu,Zhao Wanjin,et al.Appliance of pre-stackseismic attribution in low-permeable sublayer reservoir exploration[J].Natural Gas Geoscience,2010,21(6):1036-1040.[李海亮,高建虎,赵万金,等.叠前地震属性技术在低渗透气藏勘探中的应用[J].天然气地球科学,2010,21(6):1036-1040.]
[8]Zhang Yuqing,Wang Zhizhang,Zhang Na.Research on sandbody identification and gas bearing area prediction of He8Member in Su X well block of Sulige gas field[J].Natural GasGeoscience,2011,22(1):164-170.[张雨晴,王志章,张娜.SLG气田苏X井区盒8段砂体识别及含气性预测研究[J].天然气地球科学,2011,22(1):164-170.]
[9]Castagna J P,Swan H W,Foster D J.Framework for AVOgradient and intercept interpretation[J].Geophysics,1998,63:948-956.
[2]Zhao Jingzhou,Wu Shaobo,Wu Fuli.The classification and evalua-tion criterion of low permeability reservoir:An example from Or-dos basin[J].Lithologic Reservoirs,2007,19(3):28-31.[赵靖舟,吴少波,武富礼.论低渗透储层的分类与评价标准——以鄂尔多斯盆地为例[J].岩性油气藏,2007,19(3):28-31.]
[3]Zou Xinning.Research on Identifying Channel Sand of SuligeGas Field in Ordos Basin[D].Xi′an:Northwest University,2006.[邹新宁.鄂尔多斯盆地SLG气田河道砂体识别研究[D].西安:西北大学,2006.]
[4]He Zixin,Fu Jinhua,Xi Shengli,et al.Geological features ofreservoir formation of Sulige gas field[J].Acta Petrolei Sinica,2003,24(2):6-12.[何自新,付金华,席胜利,等.苏里格大气田成藏地质特征[J].石油学报,2003,24(2):6-12.]
[5]Zou Xinning,Sun Wei.Research on petrophysical parametersand seismic response model of He 8Formation[J].Journal ofChina University of Petroleum:Edition of Natural Science,2006,30(2):21-25.[邹新宁,孙卫.盒8地层岩石物理参数及地震响应模型研究[J].中国石油大学学报:自然科学版,2006,30(2):21-25.]
[6]Shi Songqun,Zhao Yuhua.Research on gas-bearing predictionusing AVO in sandstone reservoir with low-impedance in Su-lige gas field[J].Oil Geophysical Prosecting,2003,28(1):77-83.[史松群,赵玉华.SLG气田低阻砂岩储层的含气性预测研究[J].石油地球物理勘探,2003,28(1):77-83.]
[7]Li Hailiang,Gao Jianhu,Zhao Wanjin,et al.Appliance of pre-stackseismic attribution in low-permeable sublayer reservoir exploration[J].Natural Gas Geoscience,2010,21(6):1036-1040.[李海亮,高建虎,赵万金,等.叠前地震属性技术在低渗透气藏勘探中的应用[J].天然气地球科学,2010,21(6):1036-1040.]
[8]Zhang Yuqing,Wang Zhizhang,Zhang Na.Research on sandbody identification and gas bearing area prediction of He8Member in Su X well block of Sulige gas field[J].Natural GasGeoscience,2011,22(1):164-170.[张雨晴,王志章,张娜.SLG气田苏X井区盒8段砂体识别及含气性预测研究[J].天然气地球科学,2011,22(1):164-170.]
[9]Castagna J P,Swan H W,Foster D J.Framework for AVOgradient and intercept interpretation[J].Geophysics,1998,63:948-956.
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