扶余油田东区北部区块精细油藏描述
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摘要
本文从石油地质研究入手,集地质、地震、测井及动态分析等多种学科的研究为一体。以单砂体为基本研究对象,通过油砂体连通性研究,重建精细的油藏地质模型和开展剩余油潜力分布研究,搞清并量化油砂体的潜力分布及大小,确定调改单元。充分运用新方法、新技术提高水淹层解释水平,以便更好认识油砂体内部的水淹规律。
以层序地层学的基本原理为宏观指导,以“旋回对比,分级控制”为主要手段以标志层为基本的控制因素,进行精细地层对比,形成地层的基本格架。井震结合,开展构造特征研究。研究工区取芯井资料,重新建立区块沉积模式,明确工区物源方向,及目的层分层沉积微相平面展布特征。
研究储层岩石学特征、储层的微观孔隙结构、岩性物性及非均质特征、以及储层的平面展布规律和物性分布特征研究。利用三维建模技术,建立研究区的断层模型、地层格架模型、沉积微相模型、储层物性模型。
本文开展应用常规水淹层测井解释与特殊测井水淹层解释成果,研究水淹规律,提出水淹的主要控制因素,并以沉积微相研究成果为基础,结合射孔、产液、吸水、累计注水、累计产油情况,对扶余油田东北部地区进行综合分析综合评价,寻找剩余油的有利区域,知道开发生产和开发实践。
Starting with geologic research, this paper integrates researches on multi - disciplines such as geology, seismic, well log and dynamic analysis. Choosing monogenetic sand body as the basic research object and based on the study of oil-sands connectivity, the refined reservoir geologic model is reconstructed. Moreover, it is studied the remaining oil potential distribution, together with the analysis and quantification of the oil-sands potential distribution and scale, as well as the identification of adjustment units. In order to better understand the water-out law within the oil sands, new methods and technologies are sufficiently applied to increasing the accuracy of interpretation in water-out zones.
Based on basic principles of sequence stratigraphy as general guidance,“cycle comparison, hierarchical control”as the main approach, marker beds as the main controlling factor, the refined stratigraphic correlations are undertaken, thus forming the basic stratigraphic framework. Seismic-to-well tie is utilized to carry out the study of structure characteristics. Also, with analysis of coring well data, the sedimentary model is reconstructed in the unit of blocks and the provenance direction is subsequently identified within the working area, as well as the plane distribution of layered sedimentary microfacies in target zone.
From aspects of petrological characteristics, microscopic pore structures, lithology, rock physical properties and heterogeneity within reservoirs, as well as the plane distribution of the reservoir and rock physical properties, are all studied and analyzed. By using 3D modeling technology, the faults model is established and so are the stratigraphic framework model, sedimentary microfacies model and the reservoir physical property model.
This paper utilizes the interpretation results of conventional water-out strata logging as well as special water-out strata logging, to study the water-out law and conclude its controlling factors. Besides, on the basis of microfacies analysis, combined with the results of perforation, production, water absorbing, cumulative water injection, cumulative oil production, the favorable residual oil zones are comprehensively analyzed.
以层序地层学的基本原理为宏观指导,以“旋回对比,分级控制”为主要手段以标志层为基本的控制因素,进行精细地层对比,形成地层的基本格架。井震结合,开展构造特征研究。研究工区取芯井资料,重新建立区块沉积模式,明确工区物源方向,及目的层分层沉积微相平面展布特征。
研究储层岩石学特征、储层的微观孔隙结构、岩性物性及非均质特征、以及储层的平面展布规律和物性分布特征研究。利用三维建模技术,建立研究区的断层模型、地层格架模型、沉积微相模型、储层物性模型。
本文开展应用常规水淹层测井解释与特殊测井水淹层解释成果,研究水淹规律,提出水淹的主要控制因素,并以沉积微相研究成果为基础,结合射孔、产液、吸水、累计注水、累计产油情况,对扶余油田东北部地区进行综合分析综合评价,寻找剩余油的有利区域,知道开发生产和开发实践。
Starting with geologic research, this paper integrates researches on multi - disciplines such as geology, seismic, well log and dynamic analysis. Choosing monogenetic sand body as the basic research object and based on the study of oil-sands connectivity, the refined reservoir geologic model is reconstructed. Moreover, it is studied the remaining oil potential distribution, together with the analysis and quantification of the oil-sands potential distribution and scale, as well as the identification of adjustment units. In order to better understand the water-out law within the oil sands, new methods and technologies are sufficiently applied to increasing the accuracy of interpretation in water-out zones.
Based on basic principles of sequence stratigraphy as general guidance,“cycle comparison, hierarchical control”as the main approach, marker beds as the main controlling factor, the refined stratigraphic correlations are undertaken, thus forming the basic stratigraphic framework. Seismic-to-well tie is utilized to carry out the study of structure characteristics. Also, with analysis of coring well data, the sedimentary model is reconstructed in the unit of blocks and the provenance direction is subsequently identified within the working area, as well as the plane distribution of layered sedimentary microfacies in target zone.
From aspects of petrological characteristics, microscopic pore structures, lithology, rock physical properties and heterogeneity within reservoirs, as well as the plane distribution of the reservoir and rock physical properties, are all studied and analyzed. By using 3D modeling technology, the faults model is established and so are the stratigraphic framework model, sedimentary microfacies model and the reservoir physical property model.
This paper utilizes the interpretation results of conventional water-out strata logging as well as special water-out strata logging, to study the water-out law and conclude its controlling factors. Besides, on the basis of microfacies analysis, combined with the results of perforation, production, water absorbing, cumulative water injection, cumulative oil production, the favorable residual oil zones are comprehensively analyzed.
引文
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[2]许云.地震层状构造理论及其应用[M],石油工业出版社,1981年.27-82.
[3]马正.应用自然电位测井曲线解释沉积环境,石油和天然气地质[J], 1982(1):46-55
[4]安延恺.石油地层学概论[M],石油工业出版社,1985年.88-124
[5]钟兴水.测井资料计算机处理解释方法[M],石油工业出版社,1986年.78-84
[6]张守谦.石油地理物理测井[M],石油工业出版社,1987年.89-92
[7]裘亦楠.储层地质模型,石油学报[J],1992(4).95-124
[8]曾文冲.油气藏储集层测井评价技术[M],石油工业出版社,1991年.95-187
[9]何顺利等.沉积微相对单井产量的控制作用,石油勘探与开发[J],2002(4):44-47
[10]陈程等.油田开发后期扇三角洲前缘微相分析及应用,现代地质[J],2001 (1)51-69
[11]刘泽容.油藏描述原理和方法技术[M],石油工业出版社年份,1993年.87-98
[12]伍友佳.油藏地质学[M],石油工业出版社,2004年.
[13]王战,1999,黄弊坳陷地区地质构造演化与油气分布,北京,科学出版社.164-178
[14]张绍原,1998,区域性盖层在油气聚集与保存中的作用。大庆石油学院学报:56-64
[15]朱筱敏.1995.含油气断陷湖盆盆地分析.石油工业出版社.48-62
[16]窦立荣,2001,油气藏地质学概论,石油工业出版社:92-99
[17]沈守文,彭大均等,试论隐蔽油气藏的分类及勘探思路,石油学报,2000 21(1):56-62
[18]沈守文,彭大均等,层序地层学预测隐蔽油气藏的原理和方法,石油学报,2000. 21:27-52
[19]萧德铭,刘金发,侯启军,等.向斜区岩性油藏成藏条件及分布规律[A].见:大庆石油管理局.大庆油田发现40年论文集[C].北京:石油工业出版社,1999.27-34.68-92
[20]李克勤,陕甘宁地区上三叠系隐蔽低渗油藏的找油方向,1986,石油学报,( 7):1, 30-380
[21]信荃麟、朱筱敏、郑清等,渤海湾盆地第三系断陷湖盆沉积体系与油气分布,石油大学学报(自然科学版),Vol 17 , No.5, 8-15, 1989:25-32.
[22]高瑞棋,蔡希源.松辽盆地油气田形成条件与分布规律[M].北京:石油工业出版社,1997:47-180.
[23]赵澄林,朱筱敏.沉积岩石学[M].石油工业出版社,2001年.
[24]云美厚,丁伟,王新红,杨凯.油藏水驱时移地震监测岩石物理基础研究.中国地球物理学会第二十届年会论文集[M], 2004.
[25]张厚福,张万选.石油地质学.北京:石油工业出版社[M], 1990年
[26]林克湘,张昌民等.地面-地下对比建立储层精细地质模型[M].北京:石油工业出版社, 1995.
[27]裘亦楠.储层地质模型.中国油气储层研究论文集[M].北京:石油工业出版社, 1993. 1-7.
[28]申本科,胡永乐,田昌炳.油藏描述技术发展与展望[J],石油勘探与开发,2003,30(4):78-81
[29]何琰,殷军,吴念胜.储层非均质性描述的地质统计学方法[J].西南石油学院学报,2001,23(3):13-17
[30]张一伟,熊琦华,王志章,等.陆相油藏描述[M].北京:石油工业出版社,1997.
[31]危尔格斯[美]等编.层序地层学原理(海平面综合分析)[M].徐怀大,魏愧生,洪卫东,等译.北京:石油工业出版社,1993.
[32]王永春.松辽盆地南部岩性油藏的形成和分布[M].北京:石油工业出版社,2001:131-177.
[33]庞雄奇.隐蔽油气藏成因机理研究进展与问题,石油工业出版社.58-69
[34]Allen A, Allen J R, 1990, Basin Analysis Principles&Application,Blackwell Scientic Publication.
[35]Gibson R G,1994,Fault-Zone Seals in Siliciclastic Strata of the Columbums Basin, Offshore Trinidad, AAPG, 78
[36]Galloway W E .Genetic stratigraphic sequence in basin analysis I:Architecture and genetics of flooding surface bounded depositional units[J].AAPG Bulletin,1989,73,125-142.
[37]Halbouty M T. The deliberate search for the subtle trap. AAPG Memoir, 1982,32(3):351
[38] Lee M K, Bethke C M. 1994, Groundwater flow, late cementation, and petroleum accumulation in the Permian Lyons sandstone, Denver Basin. AAPG, 63
[39]Carmalt S W, St, John B, 1986, Giant Oi1 and Gas Fields, In:Halbouty M T(e d),Future Petroleum Province, Of the World, AAPG Memoir 40
[40]Haldorsen,H.H.;“On the Modeling of Vertical Permeabilitjy Barries in Single-Well Simulation Models,”SPEFE(Spet.1989)349-58.
[41]Long,J.C.S.,Witherspoon,P.A.:“The Relationship of Interconnection to Pemeability in Fracture Networks,”J.Geophys.Res.(1985)90,No.B4,3087-98.
[42]Matheron,G.etal.:“Conditional Simulation of the Geometry of Fluvio-Deltaic Reservoirs,”paper SPE 16753 presented at the 1987 SPE Annual Technical Conference and Eihibition.Dallas,Sept.27-30.
[43]T P Fishlock & R A Smith,Three-Phase Mobility Studies for the Prediction of Gas Condensate Reservoir Performance,SPE 19293, Offshore Europe, Aberdeen, 5-8 Sept 1989,1989
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