黄骅坳陷新近系砂质辫状河储层构型——以羊三木油田典型区为例
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摘要
针对我国东部老油田新近系河流相油藏大部分进入高含水期,剩余油分布复杂的现状,选取典型砂质辫状河沉积区羊三木油田,密闭取心与测井相结合,开展密井网区储层构型刻画。结果显示研究区发育心滩、辫状河道、溢岸沉积和泛滥平原4种4级储层构型单元。心滩内部发育泥砾型和落淤层型2类3级构型界面。泥砾在5级和3级构型界面处均有发育,但厚度不同,当泥砾层厚> 0. 3 m时位于5级界面,厚度<0. 3 m时一般位于3级界面。解剖了研究区心滩平面结构,指出滩头、滩主体、滩尾和滩翼不同部位的落淤层发育差异。结合岩心、测井及现代沉积,建立了研究区4级和3级储层构型模式。
Most Neogene fluvial reservoirs in old oilfields in eastern China have entered high water cut stage,and the distribution of remaining oil is complex. The reservoir configuration of a typical sandy braided river sedimentary area,Yangsanmu Oilfield is described by combining sealed coring with logging in dense well pattern area. The result shows that four types of grade 4 reservoir architecture units are developed in the study area,namely,braided bar,braided channel,overbank deposit and floodplain. There are two types of grade 3 architectural interfaces in the interior of the braided bar,i. e. mud gravel deposit and silting layers. The mud gravel deposit develops at grade 5 interface and grade 3 interface,but their thickness is different. The mud gravel deposit with a thickness of more than 0. 3 m is located at the interface of grade 5,and the mud gravel with a thickness of less than 0. 3 m is generally located at the interface of grade3. Dissection of the horizontal structure of the braided bar in the study area shows that the development of silting layer is different in different parts of the braided bar,the head,the main body,the tail and the wing. The reservoir configuration models of grade 4 and 3 in the study area are established according to core,well logging data and modern sediments.
Most Neogene fluvial reservoirs in old oilfields in eastern China have entered high water cut stage,and the distribution of remaining oil is complex. The reservoir configuration of a typical sandy braided river sedimentary area,Yangsanmu Oilfield is described by combining sealed coring with logging in dense well pattern area. The result shows that four types of grade 4 reservoir architecture units are developed in the study area,namely,braided bar,braided channel,overbank deposit and floodplain. There are two types of grade 3 architectural interfaces in the interior of the braided bar,i. e. mud gravel deposit and silting layers. The mud gravel deposit develops at grade 5 interface and grade 3 interface,but their thickness is different. The mud gravel deposit with a thickness of more than 0. 3 m is located at the interface of grade 5,and the mud gravel with a thickness of less than 0. 3 m is generally located at the interface of grade3. Dissection of the horizontal structure of the braided bar in the study area shows that the development of silting layer is different in different parts of the braided bar,the head,the main body,the tail and the wing. The reservoir configuration models of grade 4 and 3 in the study area are established according to core,well logging data and modern sediments.
引文
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[16]王敏,赵国良,冯敏.砂质辫状河储层隔夹层分布模式及其对边底水运移的影响:以南苏丹P油田Fal块为例[J].油气地质与采收率,2017,24(2):8-14.WANG Min,ZHAO Guoliang,FENG Min. Distribution pattern of intercalations and its impact on migration of edge and bottom water in sandy braided-river reservoirs:a case study of Fal structure in P Oilfield,South Sudan[J].Petroleum Geology and Recovery Efficiency,2017,24(2):8-14.
[17]袁新涛,吴向红,张新征.苏丹Fula油田辫状河储层内夹层沉积成因及井间预测[J].中国石油大学学报(自然科学版),2013,37(1):8-12.YUAN Xintao,WU Xianghong,ZHANG Xinzheng. Sedimentary origin and interwell prediction of interbeds in braided river reservoir,Fula Oilfield in Sudan[J]. Journal of China University of Petroleum(Edition of Natural Science),2013,37(1):8-12.
[18]张可,吴胜和,冯文杰,等.砂质辫状河心滩坝的发育演化过程探讨:沉积数值模拟与现代沉积分析启示[J].沉积学报,2018,36(1):81-91.ZHANG Ke,WU Shenghe,FENG Wenjie,et al. Discussion on evolution of bar in sandy braided river:insights from sediment numerical simulation and modern bar[J]. Acta Sedimentologica Sinica,2018,36(1):81-91.
[19]陈玉琨,吴胜和,毛平,等.砂质辫状河储集层构型表征:以大港油区羊三木油田馆陶组为例[J].新疆石油地质,2012,33(5):523-526.CHEN Yukun,WU Shenghe,MAO Ping,et al. Characterization of sandy braided river reservoir:a case study on Guantao member of Yangsanmu Oilfield in Dagang[J].Xinjiagn Petroleum Geology,2012,33(5):523-526.
[20]刘钰铭,侯加根,王连敏,等.辫状河储层构型分析[J].中国石油大学学报(自然科学版),2009,33(1):7-11.LIU Yuming,HOU Jiagen,WANG Lianmin,et al. Architecture analysis of bradided river reservoir[J]. Journal of China University of Petroleum,2009,33(1):7-11.
[21]于兴河,马兴详,穆龙新,等.辫状河储层地质模式及层次界面分析[M].北京:石油工业出版社,2014.
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[23]MIALL A D. Architectural elements and bonding surfaces in fluvial deposits:anatomy of the Kayenta Formation(Lower Jurassic),Southwest Colorado[J]. Sedimentary Geology,1988,55(3/4):233-240.
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[25]THORNE C R,RUSSELL A P G,ALAM M K. Planform pattern and channel evolution of the Brahmaputra River,Bangladesh[J]. Geological Society London Special Publications,1993,75(1):257-276.
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[2]李俊飞,霍春亮,叶小明,等.渤海海域L油田砂质辫状河储层构型特征[J].油气地质与采收率,2017,24(6):48-53.LI Junfei,HUO Chunliang,YE Xiaoming,et al. Internal architecture characteristics of sandy braided-river reservoirs in L Oilfield,Bohai Bay Basin[J]. Petroleum Geology and Recovery Efficiency,2017,24(6):48-53.
[3]李顺明,宋新民,蒋有伟,等.高尚堡油田砂质辫状河储集层构型与剩余油分布[J].石油勘探与开发,2011,38(4):474-482.LI Shunming,SONG Xinmin,JIANG Youwei,et al. Architecture and remaining oil distribution of the sandy braided river reservoir in the Gaoshangpu Oilfield[J]. Petroleum Exploration and Develpration and Development,2011,38(4):474-482.
[4]徐中波,申春生,陈玉琨,等.砂质辫状河储层构型表征及其对剩余油的控制:以渤海海域P油田为例[J].沉积学报,2016,34(2):375-385.XU Zhongbo,SHEN Chunsheng,CHEN Yukun,et al. Internal architecture characteristics of sandy braided-river reservoirs and its control of remaining oil:a case study on the P Oilfield in Bohai sea area[J]. Acta Sedimentologica Sinica,2016,34(2):375-385.
[5]陈玉琨,吴胜和,王延杰,等.常年流水型砂质辫状河心滩坝内部落淤层展布样式探讨[J].沉积与特提斯地质,2015,35(1):96-101.CHEN Yukun,WU shenghe,WANG Yanjie,et al. The discuss on the distribution style of the silting layers in perennial water type sandy braided river’s braided bar[J].Sedimentary Geology and Tethyan Geology,2015,35(1):96-101.
[6]杨少春,赵晓东,钟思瑛,等.辫状河心滩内部非均质性及对剩余油分布的影响[J].中南大学学报(自然科学版),2015,46(3):1066-1072.YANG Shaochun,ZHAO Xiaodong,ZHONG Siying,et al.Inner heterogeneity within braided bar of braided river reservoir and its influence on remaining oil distributiong[J]. Journal of Central South University(Science and Technology,2015,46(3):1066-1072.
[7]钟思瑛,刘金华,乔力,等.真武油田辫状河心滩微相储层构型研究[J].特种油气藏,2014,21(2):32-36.ZHONG Siying,LIU Jinhua,QIAO Li,et al. Study on the texture of braided bar microfacies reservoirs in the Zhenwu Oilfield[J]. Special Oil and Gas Reservoirs,2014,21(2):32-36.
[8]牛博,高兴军,赵应成,等.古辫状河心滩坝内部构型表征与建模:以大庆油田萨中密井网区为例[J].石油学报,2014,36(1):89-99.NIU Bo,GAO Xingjun,ZHAO Yingcheng,et al. Architecture characterization and modeling of channel bar in paleo-braided river:a case study of dense well pattern area of Sazhong in Daqing Oilfield[J]. Acta Petrolei Sinica,2014,36(1):89-99.
[9]侯加根,刘钰铭,徐芳,等.黄骅坳陷孔店油田新近系馆陶组辫状河砂体构型及含油气性差异成因[J].古地理学报,2008,10(5):459-464.HOU Jiagen,LIU Yuming,XU Fang,et al. Architecture of braided fluvial sandbody and origin for petroliferous difference of the Guantao Formation of Neogene in Kongdian Oilfield of Huanghua Depression[J]. Journal of Palaeogeography,2008,10(5):459-464.
[10]刘海,林承焰,张宪国,等.黄骅坳陷孔店油田新近系馆陶组辫状河砂体构型及含油气性差异成因[J].吉林大学学报(地球科学版),2018,48(3):665-675.LIU Hai,LIN Chengyan,ZHANG Xianguo. et al. Reservoir architecture and remaining oil distribution in braided river of Guantao Formation,Kongdian Oilfield[J]. Journal of Jilin University(Earth Science Edition),2018,48(3):665-675.
[11]余成林,李志鹏,熊运斌,等.心滩储层内部构型分析[J].西南石油大学学报(自然科学版),2012,34(3):19-22.YU Chenglin,LI Zhipeng,XIONG Yunbin,et al. The analysis of the architecture within braided bar reservoir[J].Journal of Southwest Petroleum University(Science&Technology Edition),2012,34(3):19-22.
[12]李海燕,高阳,王延杰,等.辫状河储集层夹层发育模式及其对开发的影响:以准噶尔盆地风城油田为例[J].石油勘探与开发,2015,42(3):364-372.LI Haiyan,GAO Yang,WANG Yanjie,et al. Intercalation pattern and its impact on development of braided river reservoirs:a case of Fengcheng Oilfield,Junggar Basin,NW China[J]. Petroleum Exploration and Developration and development,2015,42(3):364-372.
[13]刘钰铭,侯加根,宋保全,等.辫状河厚砂层内部夹层表征:以大庆喇嘛甸油田为例[J].石油学报,2011,32(5):836-840.LIU Yuming,HOU Jiagen,SONG Baoquan,et al. Characterization of interlayers within braided-river thick sandstones:a case study on the lamadian Oilfield in Daqing[J]. Acta Petrolei Sinica,2011,32(5):836-840.
[14]王锐.辫状河厚砂体内部夹层的识别及分布特征[J].大庆石油地质与开发,2016,35(3):83-87.WANG Rui. Identification and distribution characterisstics of the internal interbeds in the thick sandbodies of the braided river[J]. Petroleum Geology and Oilfield Development in Daqing,2016,35(3):83-87.
[15]杨丽莎,陈彬滔,李顺利.基于成因类型的砂质辫状河泥岩分布模式:以山西大同侏罗系砂质辫状河露头为例[J].天然气地球科学,2013,24(1):93-97.YANG Lisha,CHEN Bintao,LI Shunli. Distribution pattern of mudstone in sandy braided river based on genetic type:a case study on Jurassic sandy braid river outcrop in Datong,Shanxi[J]. Natural Gas Geoscience,2013,24(1):93-97.
[16]王敏,赵国良,冯敏.砂质辫状河储层隔夹层分布模式及其对边底水运移的影响:以南苏丹P油田Fal块为例[J].油气地质与采收率,2017,24(2):8-14.WANG Min,ZHAO Guoliang,FENG Min. Distribution pattern of intercalations and its impact on migration of edge and bottom water in sandy braided-river reservoirs:a case study of Fal structure in P Oilfield,South Sudan[J].Petroleum Geology and Recovery Efficiency,2017,24(2):8-14.
[17]袁新涛,吴向红,张新征.苏丹Fula油田辫状河储层内夹层沉积成因及井间预测[J].中国石油大学学报(自然科学版),2013,37(1):8-12.YUAN Xintao,WU Xianghong,ZHANG Xinzheng. Sedimentary origin and interwell prediction of interbeds in braided river reservoir,Fula Oilfield in Sudan[J]. Journal of China University of Petroleum(Edition of Natural Science),2013,37(1):8-12.
[18]张可,吴胜和,冯文杰,等.砂质辫状河心滩坝的发育演化过程探讨:沉积数值模拟与现代沉积分析启示[J].沉积学报,2018,36(1):81-91.ZHANG Ke,WU Shenghe,FENG Wenjie,et al. Discussion on evolution of bar in sandy braided river:insights from sediment numerical simulation and modern bar[J]. Acta Sedimentologica Sinica,2018,36(1):81-91.
[19]陈玉琨,吴胜和,毛平,等.砂质辫状河储集层构型表征:以大港油区羊三木油田馆陶组为例[J].新疆石油地质,2012,33(5):523-526.CHEN Yukun,WU Shenghe,MAO Ping,et al. Characterization of sandy braided river reservoir:a case study on Guantao member of Yangsanmu Oilfield in Dagang[J].Xinjiagn Petroleum Geology,2012,33(5):523-526.
[20]刘钰铭,侯加根,王连敏,等.辫状河储层构型分析[J].中国石油大学学报(自然科学版),2009,33(1):7-11.LIU Yuming,HOU Jiagen,WANG Lianmin,et al. Architecture analysis of bradided river reservoir[J]. Journal of China University of Petroleum,2009,33(1):7-11.
[21]于兴河,马兴详,穆龙新,等.辫状河储层地质模式及层次界面分析[M].北京:石油工业出版社,2014.
[22]MIALL A D. Architectural-elements analysis:a new method of facies analysis applied to fluvial deposits[J]. Earth Science Reviews,1985,22(4):261-308.
[23]MIALL A D. Architectural elements and bonding surfaces in fluvial deposits:anatomy of the Kayenta Formation(Lower Jurassic),Southwest Colorado[J]. Sedimentary Geology,1988,55(3/4):233-240.
[24]廖保方,张为民,李列,等.辫状河现代沉积研究与相模式:中国永定河剖析[J].沉积学报,1998,16(1):34-40.LIAO Baofang,ZHANG Weimin,LI Lie,et al. Study on modern deposit of a braided stream and facies model:taking the Yongding River as an example[J]. Acta Sedimentologica Sinica,1998,16(1):34-40.
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