精细相控储层地质建模技术在老油田调整挖潜中的应用——以绥中36-1油田为例
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摘要
以绥中36-1油田I期为例,首先,利用以精细地质建模为目的的地震、测井和地质一体化综合研究与建模方法,合理划分模拟单元;依据单井微相的解释成果,结合三角洲前缘亚相各沉积微相平面的组合关系,编制各沉积单元的沉积微相平面图,作为三维沉积微相模拟的趋势约束条件;建立沉积微相三维模型。其次,依据相控建模思路及各微相物性参数的分布特征,采用相控方法建立三维孔隙度模型。最后,采用相控加孔隙度协模拟的方法建立渗透率三维模型。老井及新钻调整井的生产动态资料表明,以地质模型为基础的数值模拟结果与生产动态吻合较好。
Firstly,based on the comprehensive research of seism,logging and geology prepared for geological modeling the modeling units are reasonably divided for the period I of Suizhong 36-1 Oilfield.According to the sedimentary microfacies interpretation results of single wells,combined with sedimentary microfacies assemblage of delta front,the sedimentary microfacies plan of each sedimentary unit is drawn up,under which the 3D sedimentary microfacies model is established.Secondly,on the basis of the facies-constrained stochastic simulation and the distribution feature of macrofacies property parameters,3D porosity model is established by facies-constrained method.Finally,facies-constrained method and co-simulation of porosity model are applied to establish the 3D permeability model.The dynamic data of new adjustment wells and old production wells show that the numerical simulation result based on the geological model coincides well with the production performance of the oilfield.
Firstly,based on the comprehensive research of seism,logging and geology prepared for geological modeling the modeling units are reasonably divided for the period I of Suizhong 36-1 Oilfield.According to the sedimentary microfacies interpretation results of single wells,combined with sedimentary microfacies assemblage of delta front,the sedimentary microfacies plan of each sedimentary unit is drawn up,under which the 3D sedimentary microfacies model is established.Secondly,on the basis of the facies-constrained stochastic simulation and the distribution feature of macrofacies property parameters,3D porosity model is established by facies-constrained method.Finally,facies-constrained method and co-simulation of porosity model are applied to establish the 3D permeability model.The dynamic data of new adjustment wells and old production wells show that the numerical simulation result based on the geological model coincides well with the production performance of the oilfield.
引文
[1]林云洲,沈松宁.绥中36-1油田东营组下段沉积特征研究.渤海石油研究院,1988.
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[9]武春英,韩会平,蒋继辉,等.鄂尔多斯盆地大路沟地区长6油层组沉积相特征研究[J].岩性油气藏,2009,21(3):35-39.
[10]宋子齐,伊军锋,庞振宇,等.三维储层地质建模与砂砾油层挖潜研究——以克拉玛依油田七中区、七东区克拉玛依组砾岩油藏为例[J].岩性油气藏,2007,19(4):99-105.
[11]苏进昌,张岚,马新福.河流相储层开发初期地质建模[J].岩性油气藏,2008,20(3):114-118.
[1]霍春亮,古莉,赵春明,等.基于地震、测井和地质综合一体化的储层精细建模[J].石油学报,2007,28(6):66-71.
[2]杨辉廷,颜其彬,李敏.油藏描述中的储层建模技术[J].天然气勘探与开发,2004,27(3):45-48.
[3]邹才能,陶士振,薛叔浩.“相控论”的内涵及其勘探意义[J].石油勘探与开发,2005,32(6):8-10.
[4]吴胜和,金振奎,黄沧钿,等.储层建模[M].北京:石油工业出版社,1999:114-115.
[5]吕晓光,张永庆,陈兵.油田开发后期的相控建模[J].新疆石油地质,2005,26(1):77-79.
[6]李玉君,邓宏文,张新培,等.辽河油田龙19块Es31密井网条件下相控随机建模[J].石油勘探与开发,2007,34(6):677-681.
[7]石雪峰,杜海峰.姬塬地区长3—长4+5油层组沉积相研究[J].岩性油气藏,2008,20(1):59-63.
[8]陈永峤,靳文奇,文志刚,等.靖安油田张渠一、二区长213沉积微相研究[J].岩性油气藏,2008,20(4):43-46.
[9]武春英,韩会平,蒋继辉,等.鄂尔多斯盆地大路沟地区长6油层组沉积相特征研究[J].岩性油气藏,2009,21(3):35-39.
[10]宋子齐,伊军锋,庞振宇,等.三维储层地质建模与砂砾油层挖潜研究——以克拉玛依油田七中区、七东区克拉玛依组砾岩油藏为例[J].岩性油气藏,2007,19(4):99-105.
[11]苏进昌,张岚,马新福.河流相储层开发初期地质建模[J].岩性油气藏,2008,20(3):114-118.
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