狮子沟N_1油藏储层建模与综合评价
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摘要
狮子沟N1油藏地面构造复杂,断层不发育,储层较致密,非均质性强,自1994年开始开采,目前已进入高含水开发期,综合含水达到75%左右,但采出程度较低,目前为17%左右,开发前景广阔。因此,应用储层建模技术进一步明确储层特征非常有必要,对下一步合理部署开发方案,更好的开发该油田具有积极的指导意义。截止目前,该油田没有进行过系统的储层建模,基本不明确储层的详细分布特征,因此,本次研究具有较强的现实意义。
本论文主要应用数学地质统计方法,利用地质、测井、生产测试和生产动态等资料,从静态和动态两方面对狮子沟N1油藏主力油层储层特征及开发效果进行了分析,最后对储层进行了综合评价,并对有利的开发区块和油田外围开发潜力区进行了预测。
静态方面:利用各类分析数据和单井开发动态数据,在详细划分沉积微相、精细解剖储层特征的基础上,根据沉积微相分布和流体相的分布特征,以及单井测井解释成果,建立了相控和复合相控趋势模型。在建立相控、复合相控趋势模型的基础上,采用相控-克里金建模技术,建立了储层各参数的相控-克里金预测模型。
动态方面:利用单井各类开发动态数据和测试数据,对注水效果进行了深入分析,明确了注水井特征、油井见效见水特征以及剖面动用状况,说明了储层内部结构的复杂性以及储层的非均值性。
结合动态、静态分析结果,对储层非均质性进行了评价,并对研究区的地质储量进行了重新核算,最后,结合储层的空间展布和储层内部的非均质性特征,综合储层各项评价参数,对储层进行了综合评价和分类,明确了有利开发区,指出了开发潜力区。
The structure of the surface of shizigou N1 reservoir is complicated.Its fault is not developing, reservoir is pretty dense. Heterogeneity is strong. It was expoited since 1994, and now it is in a developing perieod with high water percent contained, 75% comprehensively. Butthe outcome is low, just around 17% now.It has a prosperous future. so it is very necessary to clarify the features of the pool by the the technology of the pool modeling, and its has a guiding meaning for the next developing plan and explioting reservoir better.So far, there is not a sestematical reservoir modeling.the specific distrubing feature of the pool is not clear. This thesis has a deep realistic meaning.
The thesis applies the math geology statistics. Analysing the features of the shizigou N1 major reservoir and its developing effect from static state and the dynamic state. And in the end it make a evaluation of reservoir and predict the good developing area and the surrounding of the oil feild.
On the static state, using the various kinds of statistics and the single well developing dynamic statistics, on the basics of deviding sedimentary with details and the model of the combination controled,with the distribution of the sedimentary microfacies,the distribuion feature of the fluid-facies,and the explanation result of the single well, I set up the facies-controlled model and Composite-Facies-Controlled.after this, I set up the the facies-controlled-kriging model of the pool with technology of the facies-controlled-kriging modeling.
On the dymatic state, using the various kinds of testing statistics and the single well developing dynamic statistics, I analyse the water flooding effect, clarify the features of the water flooding well and the oil well see effective water, as well as the condition of the cross section, exlpain the complexity of the inter sections and the heterogeneity of reservoir。
Combining the outcome of both the dynamic and the static state, I evaluate the heterogeneity of the pool, and recalculate the oil reserves of the studied area. At last, combining the distribution and its inter features of heterogeneity of the pool, with all the index, I evaluate and clarify the oil pool and clear the good developing area, figure out the potential developing area.
本论文主要应用数学地质统计方法,利用地质、测井、生产测试和生产动态等资料,从静态和动态两方面对狮子沟N1油藏主力油层储层特征及开发效果进行了分析,最后对储层进行了综合评价,并对有利的开发区块和油田外围开发潜力区进行了预测。
静态方面:利用各类分析数据和单井开发动态数据,在详细划分沉积微相、精细解剖储层特征的基础上,根据沉积微相分布和流体相的分布特征,以及单井测井解释成果,建立了相控和复合相控趋势模型。在建立相控、复合相控趋势模型的基础上,采用相控-克里金建模技术,建立了储层各参数的相控-克里金预测模型。
动态方面:利用单井各类开发动态数据和测试数据,对注水效果进行了深入分析,明确了注水井特征、油井见效见水特征以及剖面动用状况,说明了储层内部结构的复杂性以及储层的非均值性。
结合动态、静态分析结果,对储层非均质性进行了评价,并对研究区的地质储量进行了重新核算,最后,结合储层的空间展布和储层内部的非均质性特征,综合储层各项评价参数,对储层进行了综合评价和分类,明确了有利开发区,指出了开发潜力区。
The structure of the surface of shizigou N1 reservoir is complicated.Its fault is not developing, reservoir is pretty dense. Heterogeneity is strong. It was expoited since 1994, and now it is in a developing perieod with high water percent contained, 75% comprehensively. Butthe outcome is low, just around 17% now.It has a prosperous future. so it is very necessary to clarify the features of the pool by the the technology of the pool modeling, and its has a guiding meaning for the next developing plan and explioting reservoir better.So far, there is not a sestematical reservoir modeling.the specific distrubing feature of the pool is not clear. This thesis has a deep realistic meaning.
The thesis applies the math geology statistics. Analysing the features of the shizigou N1 major reservoir and its developing effect from static state and the dynamic state. And in the end it make a evaluation of reservoir and predict the good developing area and the surrounding of the oil feild.
On the static state, using the various kinds of statistics and the single well developing dynamic statistics, on the basics of deviding sedimentary with details and the model of the combination controled,with the distribution of the sedimentary microfacies,the distribuion feature of the fluid-facies,and the explanation result of the single well, I set up the facies-controlled model and Composite-Facies-Controlled.after this, I set up the the facies-controlled-kriging model of the pool with technology of the facies-controlled-kriging modeling.
On the dymatic state, using the various kinds of testing statistics and the single well developing dynamic statistics, I analyse the water flooding effect, clarify the features of the water flooding well and the oil well see effective water, as well as the condition of the cross section, exlpain the complexity of the inter sections and the heterogeneity of reservoir。
Combining the outcome of both the dynamic and the static state, I evaluate the heterogeneity of the pool, and recalculate the oil reserves of the studied area. At last, combining the distribution and its inter features of heterogeneity of the pool, with all the index, I evaluate and clarify the oil pool and clear the good developing area, figure out the potential developing area.
引文
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[3]陈克勇,段新国等.基于三维岩相建模的火山岩岩性识别与预测.西南石油大学学报(自然科学版)[J].2010,32(2):19-24.
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[5] MacDonald,A.C.and Aasen,J.O.Aprototype procedure for stochastic modeling of faciestract distribution in shoreface reservoir,in:Jeffrey,Yarus M.and Richard,L.Chambers Stochastic Modeling and Geostatistics[J].Computer Applications in Geology,1994,91-108.
[6]文健,裘怿楠.在油藏早期评价阶段储层建模技术发展方向.石油勘探与开发[J].1994,21(5):88-93.
[7]颜其彬,冉启全.分形建模技术在储层预测中的应用.天然气工业[J].1994,14(1):29-31.
[8]纪发华,熊琦华等.应用序贯指示建模方法在枣南油田储层非均质研究中的应用.石油学报.1994,15(增刊):179-186.
[9]穆龙新,贾文瑞等.建立定量储层地质模型的新方法.石油勘探与开发[J].1994,21(4):82-86.
[10]聂昌谋,孙玉生等.储层参数随机建模方法在胡状集油田储层非均质研究中的应用.断块油气田[J].1996,3(1):26-30.
[11]林承焰,侯加根等.油气储层三维定量地质建模方法和配套技术.石油大学学报(自然科学版)[J].1996,20(4);20-25.
[12]杨勇.露头区辫状河砂体建模方法探讨.石油与天然气地质[J].1997,18(1):50-53.
[13]张永贵,陈明强等.模拟退火组合优化算法在油气储层随机建模中的应用.西南石油学院学报[J].1997,(3):1-7.
[14]周江羽,吴冲龙等.含油气盆地储层建模和模拟研究评述.地质科技情报[J].1998,17(1):67-71.
[15]伍涛,杨勇等.辫状河储层建模方法研究.沉积学报[J].1999,17(2):258-261.
[16]秦志保等.储层物性参数的三维建模.天然气勘探与开发[J].1999,22(2):13-15.
[17]尹天放.油藏地球物理学方法在地质建模中的应用.石油勘探与开发[J].2000,27(5):61-62.
[18]李长山,陈建文等.火山岩储层建模初探.地学前缘[J].2000,7(4):381-388.
[19]陈伟,李允等.遗传演化建模方法研究.西南石油学院学报[J].2000,22(4):73-75.
[20]王仲林,徐守余.河流相储集层定量建模研究.石油勘探与开发.2003,30(1):75-78.
[21]杨辉廷,江同文等.缝洞型碳酸盐岩储层三维地质建模方法初探.大庆石油地质与开发.2004,23(4):11-16.
[22]彭仕宓,尹志军等.建立储层四维地质模型的新尝试——以冀东高尚堡沙二段储层模型的建立为例[J].地质论评.2004,50(6):662-666.
[23]尹艳树,吴胜和等.用多种随机建模方法综合预测储层微相.石油学报[J].2006,27(3):68-71.
[24]胡先莉,血东剑.序贯模拟方法在储层建模中的应用研究.成都理工大学学报(自然科学版).2007,34(6).
[25]王家华.迎接油气储层建模理论、应用的大发展——从2007年国际石油地质统计学大会谈起[J].地学前缘.2008,15(1):16-25.
[26]杨少春,潘少伟等.储层四维建模方法研究.天然气地球科学[J].2009,20(2):420-424.
[27]王瑞飞著.《特低渗透砂岩油藏储层微观特征》----以鄂尔多斯盆地延长组为例[M].石油工业出版社.2008年.
[28]张春雷、熊琦华等。储层建模计算研究进展和应用现状[C].2002.
[29]王家华,张团峰.油气储层建模[M].北京:石油工业出版社,2001.
[30]胡向阳,熊琦华,吴胜和.储层建模方法研究进展[J].石油大学学报(自然科学版).2001,25(1):107-112.
[31]汤军.对储层建模的研究。石油天然气学报[J].2006年6(28).50-52.
[32]董伟.尕斯库勒E31油藏相控建模与剩余油分布研究[D].成都理工大学.2007.
[33]吕晓光等.储层地质模型及随机建模技术.大庆石油地质与开发.[J].2000年1(19).
[34]艾尚军、王岩楼等.大庆西部薄互层砂岩油藏——精细描述[M].石油工业出版社2006年
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