惠民凹陷孔店组末端扇沉积及其储层特征
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摘要
惠民凹陷孔店组为末端扇沉积,中部亚相是其沉积砂体的主体。根据岩芯观察并结合地震资料,将末端扇中部亚相划分为分流河道、河道漫溢和泥滩三种沉积微相。孔店组砂岩类型主要为中细粒的长石砂岩和岩屑长石砂岩。末端扇储层中发生了多种类型的成岩作用,主要的自生矿物包括黏土矿物、碳酸盐、石英和长石等。孔店组砂岩主要受到埋藏成岩作用的影响,成岩演化阶段正处于中成岩A期。孔店组末端扇储层性质受砂体微相和成岩作用的共同控制,发育绿泥石环边衬垫和塑性组分溶蚀成岩相的分流河道砂体的物性好于发育碳酸盐胶结和压实—充填成岩相的河道漫溢砂体。
Sedimentary facies of Kongdian sandstones is terminal fan.Middle zone is the main part of the tripartite terminal fan which can be divided into distributary channel,overbank and mudflat according to observation and description of cores combined with the numerous data of seismic.The sandstones type of Kongdian Formation are of fine-medium grained arkose and lithic arkose.Terminal fan sandstone has undergone many types of diagenesis.Authigenic minerals in Kongdian reservoir include clay minerals,carbonate,quartz,feldspar and so on.Based on the study of burial history,the diagenetic stage of Kongdian Formation is in A period of mesodiagenesis.Reservoir quality of terminal fan in Kongdian Formation is mainly controlled by sandbody microfacies and diagenesis.Sedimentary microfacies resolves reservoir's original physical property,while diagenesis dominates final status of sandstone reservoir.There exists five diagenetic lithofacies in Kongdian sandstone,for example plastic composition dissolution lithofacies,chlorite gasket lithofacies,carbonate cementation lithofacies,compaction and filling lithofacies,quartz overgrowth lithofacies and so on.Diagenetic lithofacies is comprehensive reflection of diagenetic change and reservoir evolution of different microfacies sand.Distributary channel sandstone in connection with plastic composition dissolution or chlorite coating lithofacies is usually nice hydrocarbon pay bed,whereas overbank sandstone related with carbonate cementation or compaction and filling lithofacies is often low permeability layer.Terminal fan reservoir shows facies controlled feature.
Sedimentary facies of Kongdian sandstones is terminal fan.Middle zone is the main part of the tripartite terminal fan which can be divided into distributary channel,overbank and mudflat according to observation and description of cores combined with the numerous data of seismic.The sandstones type of Kongdian Formation are of fine-medium grained arkose and lithic arkose.Terminal fan sandstone has undergone many types of diagenesis.Authigenic minerals in Kongdian reservoir include clay minerals,carbonate,quartz,feldspar and so on.Based on the study of burial history,the diagenetic stage of Kongdian Formation is in A period of mesodiagenesis.Reservoir quality of terminal fan in Kongdian Formation is mainly controlled by sandbody microfacies and diagenesis.Sedimentary microfacies resolves reservoir's original physical property,while diagenesis dominates final status of sandstone reservoir.There exists five diagenetic lithofacies in Kongdian sandstone,for example plastic composition dissolution lithofacies,chlorite gasket lithofacies,carbonate cementation lithofacies,compaction and filling lithofacies,quartz overgrowth lithofacies and so on.Diagenetic lithofacies is comprehensive reflection of diagenetic change and reservoir evolution of different microfacies sand.Distributary channel sandstone in connection with plastic composition dissolution or chlorite coating lithofacies is usually nice hydrocarbon pay bed,whereas overbank sandstone related with carbonate cementation or compaction and filling lithofacies is often low permeability layer.Terminal fan reservoir shows facies controlled feature.
引文
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2 Parkash B,Awasthi A K,Gohain K.Lithofacies of the Markanda ter-minal fan,Kurukshetra district,Haryana,India[C]∥Collinson J D,Lewin J.Modern and Ancient Fluvial Systems.Oxford:Blackwell Pub-lication,1983:337-374
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4 Newell A J,Tverdokhlebov V P,Benton M J.Interplay of tectonicsand climate on a transverse fluvial system,Upper Permian,SouthernUralian Foreland Basin,Russia[J].Sedimentary Geology,1999,127:11-29
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6张金亮,谢俊.储层沉积相[M].北京:石油工业出版社.2008:81-98[Zhang Jinliang,Xie Jun.Reservoir Facies Models[M].Bei-jing:Petroleum Industry Press,2008:81-98]
7许建华,肖焕钦.惠民凹陷盘河地区孔店组石油地质特征研究[J].复式油气田,2000,12(4):53-56[Xu Jianhua,Xiao Huan-qin.Petroleum geology of Kongdian Formation in Panhe area in Huimindepression[J].Multiple Oil-gas Field,2000,12(4):53-56]
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9谯汉生,方朝亮,牛嘉玉,等.渤海湾盆地深层石油地质[M].北京:石油工业出版社,2002:50-63[Qiao Hansheng,Fang Cha-oliang,Niu Jiayu,et al.Petroleum Geology of Deep Formation in Bo-hai Bay Basin[M].Beijing:Petroleum Industry Press,2002:50-63]
10李丕龙.富油断陷盆地油气环状分布与惠民凹陷勘探方向[J].石油实验地质,2001,23(2):146-148[Li Pilong.Zonal distribu-tion of hydrocarbon in oil-enriched rifted basins and exploration direc-tion in the Huimin sag[J].Petroleum Geology&Experiment,2001,23(2):146-148]
11王建伟,赵勇生,田海芹.东营-惠民凹陷孔店组层序地层学研究[J].石油大学学报,2001,25(6):1-5[Wang Jianwei,ZhaoYongsheng,Tian Haiqin.Primary study of sequence stratigraphy ofKongdian Formation in Dongying Huimin sag[J].Journal of the Uni-versity of Petroleum,China,2001,25(6):1-5]
12岳志鹏,曾俊,高志卫,等.惠民凹陷孔店组-沙四段“膏盐岩”层沉积机理——以MS1井“膏盐岩”层分析为例[J].石油勘探与开发,2006,33(5):591-595[Yue Zhipeng,Zeng Jun,Gao Zhi-wei,et al.Sedimentation mechanism of"gypsum rock"in KongdianFormation and Sha 4 Member of Shahejie Formation in Huimin Sag[J].Petroleum Exploration and Development,2006,33(5):591-595]
13尹兵祥,王尚旭,杨国权,等.渤海湾盆地东营-惠民凹陷古近系孔店组孔二段地震相与沉积相[J].古地理学报,2004,6(1):49-56[Yin Bingxiang,Wang Shangxu,Yang Guoquan,et al.Seis-mic facies and sedimentary facies of the Member 2 of Kongdian For-mation of Paleogene in Dongying and Huimin sags,Bohai Bay Basin[J].Journal of Palaeogeography,2004,6(1):49-56]
14张鑫,张金亮.胜坨地区沙三下砂砾岩体沉积特征与沉积模式[J].石油学报,2008,29(4):530-535[Zhang Xin,Zhang Jinlia-ng.Depositional feature and mode of sand-conglomerate bodies in thelower third member of Shahejie Formation in Shengtuo area[J].ActaPetrolei Sinica,2008,29(4):530-535]
15 Folk R L.Petrology of Sedimentary Rocks[M].Texas:HemphillPress,1968:107
16刘宝珺.沉积岩石学[M].北京:地质出版社,1980:146-149[Liu Baojun.Sedimentary Petrology[M].Beijing:Geological Pub-lishing House,1980:146-149]
17 Houseknecht D W.Assessing the relative importance of compactionprocesses and cementation to reduction of porosity in sandstones[J].AAPG Bulletin,1987,71:633-642
18张金亮,司学强,梁杰,等.陕甘宁盆地庆阳地区长8油层砂岩成岩作用及其对储层性质的影响[J].沉积学报,2004,22(2):226-232[Zhang Jinliang,Si Xueqiang,Liang Jie,et al.Diagenesisof lacustrine deltaic sandstones and its impact on reservoir quality[J].Acta Sedimentologica Sinica,2004,22(2):226-232]
19张金亮,刘宝珺,毛凤鸣,等.苏北盆地高邮凹陷北斜坡阜宁组成岩作用及储层特征[J].石油学报,2003,24(2):43-49[Zhang Jinliang,Liu Baojun,Mao Fengming,et al.Clastic diagene-sis and reservoir characteristics of Funing Formation in north slope ofGaoyou Depression in Subei Basin[J].Acta Petrolei Sinica,2003,24(2):43-49]
20 Zhang Jinliang,Qin Lijuan,Zhang Zhongjie.Depositional facies,di-agenesis and their impact on the reservoir quality of Silurian sand-stones from Tazhong area in central Tarim Basin,western China[J].Journal of Asian Earth Science,2008,33:42-60
21 Zhang Jinliang,Jia Ying,Du Guilin.Diagenesis and its effect onreservoir quality of Silurian sandstones,Tabei Area,Tarim Basin,China[J].Petroleum Science,2007,4(3):1-13
22张金亮,沈凤.东濮凹陷桥口地区沙三段碎屑岩成岩作用与储层特征[J].矿物岩石,1990,10(1):35-42[Zhang Jinliang,ShenFeng.Clastic diagenesis and reservoir properties of the third memberof Shahejie Formation,Qiaokou area,Dongpu depression[J].Journalof Mineralogy and and Petrology,1990,10(1):35-42]
23沈凤,张金亮.鲁西凹陷九佛堂组储层成岩作用[J].石油学报,1995,16(2):23-30[Shen Feng,Zhang Jinliang.A study of the di-agenesis of the reservoir in Jiufotang Formation,Luxi depression[J].Acta Petrolei Sinica,1995,16(2):23-30]
24苏向光,邱楠生,柳忠泉,等.济阳坳陷惠民凹陷热演化史分析[J].天然气工业,2006,26(10):15-17[Su Xiangguang,QiuNansheng,Liu Zhongquan,et al.An analysis of thermal evolution ofHuimin sag in Jiyang depression[J].Natural Gas Industry,2006,26(10):15-17]
25陈建渝,彭晓波,张冬梅,等.济阳坳陷古新世孔店组生烃潜能评价[J].石油勘探与开发,2002,29(3):17-20[Chen Jianyu,Peng Xiaobo,Zhang Dongmei,et al.Evaluation of the hydrocarbongeneration potential for the Kongdian Formation of Palaeocene in Jiy-ang Depression[J].Petroleum Exploration and Development,2002,29(3):17-20]
26谭丽娟,蒋有录.渤海湾盆地东营—惠民凹陷油气成藏模式和油气富集控制因素[J].石油实验地质,2003,25(4):366-370[Tan Lijuan,Jiang Youlu.Pool-forming Ratterns of hydrocarbon andcontrolling factors of hydrocarbon enrichment in the Dongying and theHuimin sags[J].Petroleum Geology&Experiment,2003,25(4):366-370]
27朱芒征,陈建渝.惠民凹陷临南洼陷下第三系烃源岩生烃门限[J].油气地质与采收率,2002,9(2):35-37[Zhu Mangzheng,Chen Jianyu.Hydrocarbon generating threshold of the source rocks inPalaeogene of Linnan subsag in Humin sag[J].Petroleum Geologyand Recovery Efficiency,2002,9(2):35-37]
28钟广法,邬宁芬.成岩相分析:一种全新的成岩非均质性研究方法[J].石油勘探与开发,1997,24(5):62-66[Zhong Guangfa,Wu Ningfen.Diagenetic lithofacies analysis:a new approach to stud-ying diagenetic heterogeneity[J].Petroleum Exploration and Devel-opment,1997,24(5):62-66]
2 Parkash B,Awasthi A K,Gohain K.Lithofacies of the Markanda ter-minal fan,Kurukshetra district,Haryana,India[C]∥Collinson J D,Lewin J.Modern and Ancient Fluvial Systems.Oxford:Blackwell Pub-lication,1983:337-374
3 Kelly S B,Olsen H.Terminal fans:a review with reference to Devoni-an examples[J].Sedimentary Geology,1993,85:339-374
4 Newell A J,Tverdokhlebov V P,Benton M J.Interplay of tectonicsand climate on a transverse fluvial system,Upper Permian,SouthernUralian Foreland Basin,Russia[J].Sedimentary Geology,1999,127:11-29
5张金亮,戴朝强,张晓华.末端扇——在中国被忽略的一种沉积作用类型[J].地质论评,2007,53(2):170-179[Zhang Jinliang,DaiChaoqiang,Zhang Xiaohua.Terminal fan:a type of sedimentation ig-nored in China[J].Geological Review,2007,53(2):170-179]
6张金亮,谢俊.储层沉积相[M].北京:石油工业出版社.2008:81-98[Zhang Jinliang,Xie Jun.Reservoir Facies Models[M].Bei-jing:Petroleum Industry Press,2008:81-98]
7许建华,肖焕钦.惠民凹陷盘河地区孔店组石油地质特征研究[J].复式油气田,2000,12(4):53-56[Xu Jianhua,Xiao Huan-qin.Petroleum geology of Kongdian Formation in Panhe area in Huimindepression[J].Multiple Oil-gas Field,2000,12(4):53-56]
8吴崇筠,薛叔浩.中国含油气盆地沉积学[M].北京:石油工业出版社,1993:66-75[Wu Chongyun,Xue Shuhao.Sedimentology ofOil and Gas Bearing Basin in China[M].Beijing:Petroleum IndustryPress,1993:66-75]
9谯汉生,方朝亮,牛嘉玉,等.渤海湾盆地深层石油地质[M].北京:石油工业出版社,2002:50-63[Qiao Hansheng,Fang Cha-oliang,Niu Jiayu,et al.Petroleum Geology of Deep Formation in Bo-hai Bay Basin[M].Beijing:Petroleum Industry Press,2002:50-63]
10李丕龙.富油断陷盆地油气环状分布与惠民凹陷勘探方向[J].石油实验地质,2001,23(2):146-148[Li Pilong.Zonal distribu-tion of hydrocarbon in oil-enriched rifted basins and exploration direc-tion in the Huimin sag[J].Petroleum Geology&Experiment,2001,23(2):146-148]
11王建伟,赵勇生,田海芹.东营-惠民凹陷孔店组层序地层学研究[J].石油大学学报,2001,25(6):1-5[Wang Jianwei,ZhaoYongsheng,Tian Haiqin.Primary study of sequence stratigraphy ofKongdian Formation in Dongying Huimin sag[J].Journal of the Uni-versity of Petroleum,China,2001,25(6):1-5]
12岳志鹏,曾俊,高志卫,等.惠民凹陷孔店组-沙四段“膏盐岩”层沉积机理——以MS1井“膏盐岩”层分析为例[J].石油勘探与开发,2006,33(5):591-595[Yue Zhipeng,Zeng Jun,Gao Zhi-wei,et al.Sedimentation mechanism of"gypsum rock"in KongdianFormation and Sha 4 Member of Shahejie Formation in Huimin Sag[J].Petroleum Exploration and Development,2006,33(5):591-595]
13尹兵祥,王尚旭,杨国权,等.渤海湾盆地东营-惠民凹陷古近系孔店组孔二段地震相与沉积相[J].古地理学报,2004,6(1):49-56[Yin Bingxiang,Wang Shangxu,Yang Guoquan,et al.Seis-mic facies and sedimentary facies of the Member 2 of Kongdian For-mation of Paleogene in Dongying and Huimin sags,Bohai Bay Basin[J].Journal of Palaeogeography,2004,6(1):49-56]
14张鑫,张金亮.胜坨地区沙三下砂砾岩体沉积特征与沉积模式[J].石油学报,2008,29(4):530-535[Zhang Xin,Zhang Jinlia-ng.Depositional feature and mode of sand-conglomerate bodies in thelower third member of Shahejie Formation in Shengtuo area[J].ActaPetrolei Sinica,2008,29(4):530-535]
15 Folk R L.Petrology of Sedimentary Rocks[M].Texas:HemphillPress,1968:107
16刘宝珺.沉积岩石学[M].北京:地质出版社,1980:146-149[Liu Baojun.Sedimentary Petrology[M].Beijing:Geological Pub-lishing House,1980:146-149]
17 Houseknecht D W.Assessing the relative importance of compactionprocesses and cementation to reduction of porosity in sandstones[J].AAPG Bulletin,1987,71:633-642
18张金亮,司学强,梁杰,等.陕甘宁盆地庆阳地区长8油层砂岩成岩作用及其对储层性质的影响[J].沉积学报,2004,22(2):226-232[Zhang Jinliang,Si Xueqiang,Liang Jie,et al.Diagenesisof lacustrine deltaic sandstones and its impact on reservoir quality[J].Acta Sedimentologica Sinica,2004,22(2):226-232]
19张金亮,刘宝珺,毛凤鸣,等.苏北盆地高邮凹陷北斜坡阜宁组成岩作用及储层特征[J].石油学报,2003,24(2):43-49[Zhang Jinliang,Liu Baojun,Mao Fengming,et al.Clastic diagene-sis and reservoir characteristics of Funing Formation in north slope ofGaoyou Depression in Subei Basin[J].Acta Petrolei Sinica,2003,24(2):43-49]
20 Zhang Jinliang,Qin Lijuan,Zhang Zhongjie.Depositional facies,di-agenesis and their impact on the reservoir quality of Silurian sand-stones from Tazhong area in central Tarim Basin,western China[J].Journal of Asian Earth Science,2008,33:42-60
21 Zhang Jinliang,Jia Ying,Du Guilin.Diagenesis and its effect onreservoir quality of Silurian sandstones,Tabei Area,Tarim Basin,China[J].Petroleum Science,2007,4(3):1-13
22张金亮,沈凤.东濮凹陷桥口地区沙三段碎屑岩成岩作用与储层特征[J].矿物岩石,1990,10(1):35-42[Zhang Jinliang,ShenFeng.Clastic diagenesis and reservoir properties of the third memberof Shahejie Formation,Qiaokou area,Dongpu depression[J].Journalof Mineralogy and and Petrology,1990,10(1):35-42]
23沈凤,张金亮.鲁西凹陷九佛堂组储层成岩作用[J].石油学报,1995,16(2):23-30[Shen Feng,Zhang Jinliang.A study of the di-agenesis of the reservoir in Jiufotang Formation,Luxi depression[J].Acta Petrolei Sinica,1995,16(2):23-30]
24苏向光,邱楠生,柳忠泉,等.济阳坳陷惠民凹陷热演化史分析[J].天然气工业,2006,26(10):15-17[Su Xiangguang,QiuNansheng,Liu Zhongquan,et al.An analysis of thermal evolution ofHuimin sag in Jiyang depression[J].Natural Gas Industry,2006,26(10):15-17]
25陈建渝,彭晓波,张冬梅,等.济阳坳陷古新世孔店组生烃潜能评价[J].石油勘探与开发,2002,29(3):17-20[Chen Jianyu,Peng Xiaobo,Zhang Dongmei,et al.Evaluation of the hydrocarbongeneration potential for the Kongdian Formation of Palaeocene in Jiy-ang Depression[J].Petroleum Exploration and Development,2002,29(3):17-20]
26谭丽娟,蒋有录.渤海湾盆地东营—惠民凹陷油气成藏模式和油气富集控制因素[J].石油实验地质,2003,25(4):366-370[Tan Lijuan,Jiang Youlu.Pool-forming Ratterns of hydrocarbon andcontrolling factors of hydrocarbon enrichment in the Dongying and theHuimin sags[J].Petroleum Geology&Experiment,2003,25(4):366-370]
27朱芒征,陈建渝.惠民凹陷临南洼陷下第三系烃源岩生烃门限[J].油气地质与采收率,2002,9(2):35-37[Zhu Mangzheng,Chen Jianyu.Hydrocarbon generating threshold of the source rocks inPalaeogene of Linnan subsag in Humin sag[J].Petroleum Geologyand Recovery Efficiency,2002,9(2):35-37]
28钟广法,邬宁芬.成岩相分析:一种全新的成岩非均质性研究方法[J].石油勘探与开发,1997,24(5):62-66[Zhong Guangfa,Wu Ningfen.Diagenetic lithofacies analysis:a new approach to stud-ying diagenetic heterogeneity[J].Petroleum Exploration and Devel-opment,1997,24(5):62-66]
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