地震资料在碳酸盐岩沉积相分析中的应用——以某区二叠系长兴组为例
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摘要
运用地震地层学和地震沉积学原理,分析研究区二叠系长兴组沉积相,总结出应用地震资料分析碳酸盐岩沉积相方法,即用地震拉平体的古地貌(地震拉平体的地层切片)分析确定沉积相带边界和分布范围;参照古地貌相带边界和分布范围,结合正演模型和地质体的地震反射特征,通过地震相分析和地震相向沉积相转化,精细刻画沉积相平面展布特征。首次应用该方法完成了研究区二叠系长兴组各时期沉积相平面展布刻画。
Based on the principle of seismic stratigraphy and seismic sedimentology,and by the analysis of the sedimentary facies of Permian Changxin Formation in study area,the method of analyzing carbonate sedimentary facies based on seismic data is generalized.The boundary and distribution area of sedimentary facies can be determined from the palaeogeomorphic map of seismic flattening cube(strata slice of seismic flattening cube).With the reference to the boundary and distribution area of sedimentary facies getting from the palaeogeomorphic map,integrating with the forward solution and seismic reflection characteristic of geologic body,accurate plan sedimentary facies characteristic can be got from the analysis of seismic facies and the transformation to sedimentary facies.Application of the abovementioned method firstly,the plan characteristic of the sedimentary facies of Permian Changxin Formation in study area can be got for different deposition periods,which provides the foundation to seismic reservoir prediction.
Based on the principle of seismic stratigraphy and seismic sedimentology,and by the analysis of the sedimentary facies of Permian Changxin Formation in study area,the method of analyzing carbonate sedimentary facies based on seismic data is generalized.The boundary and distribution area of sedimentary facies can be determined from the palaeogeomorphic map of seismic flattening cube(strata slice of seismic flattening cube).With the reference to the boundary and distribution area of sedimentary facies getting from the palaeogeomorphic map,integrating with the forward solution and seismic reflection characteristic of geologic body,accurate plan sedimentary facies characteristic can be got from the analysis of seismic facies and the transformation to sedimentary facies.Application of the abovementioned method firstly,the plan characteristic of the sedimentary facies of Permian Changxin Formation in study area can be got for different deposition periods,which provides the foundation to seismic reservoir prediction.
引文
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[14]李三福,肖为,朱美娟,等.深水礁滩相储层地震模型的正演模拟及其地震响应特征分析[J].工程地球物理学报,2011,8(1):91-96.
[15]熊晓军,贺振华,黄德济.生物礁地震响应特征的数值模拟[J].石油学报,2009,30(1):75-79.
[16]王玲,张研,吴蕾,等.阿姆河右岸区块生物礁特征与识别方法[J].天然气工业,2010,30(5):30-33.
[17]张永贵,宋在超,周小进,等.琼东南盆地南部中新统生物礁的识别[J].石油实验地质,2011,33(3):307-309.
[18]张丽.通南巴地区长兴组生物礁储层预测[J].江汉石油职工大学学报,2011,24(5):13-15.
[2]彭才,刘克难,张延充,等.川中地区长兴组生物礁地震沉积学研究[J].天然气地球科学,2011,22(3):460-464.
[3]李蔚洋,刘杰,何幼斌,等.四川地区上二叠统吴家坪组条带状硅质岩成因分析[J].海相油气地质,2011,16(2):61-65.
[4]林良彪,陈洪德,朱利东,等.川东地区吴家坪组层序—岩相古地理特征[J].油气地质与采收率,2009,16(6):42-45.
[5]田雨,张兴阳,何幼斌,等.四川盆地晚二叠世吴家坪期岩相古地理[J].古地理学报,2010,12(2):164-176.
[6]贺振华,蒲勇,熊晓军,等.川东北长兴-飞仙关组礁滩储层的三维地震识别[J].物探化探计算技术,2009,31(1):1-6.
[7]胡伟光,蒲勇,赵卓男,等.川东北元坝地区长兴组生物礁的识别[J].石油物探,2010,49(1):46-53.
[8]王银.川东北元坝地区生物礁的识别与追踪[J].天然气技术,2009,3(4):25-29.
[9]陈勇.川东北元坝地区长兴组生物礁储层预测研究[J].石油物探,2011,50(2):173-180.
[10]胡伟光,蒲勇,易小林,等.川东北元坝地区长兴组识别[J].物探与化探,2010,3(5):35-42.
[11]李家强.层拉平技术在沉积前古地貌恢复中的应用——以济阳坳陷东营地区为例[J].胜利油田职工大学学报,2008,22(1):31-36.
[12]洪余刚,陈景山,代宗仰,等.古地貌恢复在风化壳岩溶型储层研究中的应用——以川中—川南过渡带奥陶系为例[J].大庆石油地质与开发,2007,26(1):1-5.
[13]邬光辉,黄广建,王振宇,等.塔中奥陶系生物礁地震识别与预测[J].天然气工业,2007,27(4):40-42.
[14]李三福,肖为,朱美娟,等.深水礁滩相储层地震模型的正演模拟及其地震响应特征分析[J].工程地球物理学报,2011,8(1):91-96.
[15]熊晓军,贺振华,黄德济.生物礁地震响应特征的数值模拟[J].石油学报,2009,30(1):75-79.
[16]王玲,张研,吴蕾,等.阿姆河右岸区块生物礁特征与识别方法[J].天然气工业,2010,30(5):30-33.
[17]张永贵,宋在超,周小进,等.琼东南盆地南部中新统生物礁的识别[J].石油实验地质,2011,33(3):307-309.
[18]张丽.通南巴地区长兴组生物礁储层预测[J].江汉石油职工大学学报,2011,24(5):13-15.
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