苏里格气田苏36区块盒8—山1段沉积特征
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摘要
苏里格气田苏36区块主产层为盒8—山1段,为了探究该区沉积微相类型及砂体展布规律,在前人研究成果的基础,通过岩心观察与描述、岩性分析、粒度分析、单井相解释及连井剖面分析等方法,对研究区沉积微相类型及砂体的空间展布特征进行研究,并模拟沉积演化模式。研究结果表明:盒8上亚段和山1段发育曲流河沉积相,可识别出点坝、决口扇、泛滥平原等微相;盒8下亚段发育辫状河沉积相,可识别出心坝、侧坝、沙泥坪等微相。从山1段到盒8段,沉积体系由曲流河到辫状河,又过渡为曲流河;物源主要来自东北方向,近物源碎屑物快速堆积;砂体平行物源供给方向呈条带状展布,沿长轴方向砂体连续性较好。有利储集体集中在盒8下亚段,储集性能优于盒8上及山1段。
The main production layer of Su 36 block in Sulige gasfield is He 8 Member-Shan 1 Member. Based on the previous research results,the sedimentary microfacies types and the sandbody distribution law of this block were studied through core observation and description,lithology analysis,grain size analysis,single well facies interpretation and connection well section analysis,etc.,and the sedimentary evolution mode was simulated. The research results show that,the meandering river sedimentary facies developed in the upper part of He 8 member and Shan 1 member,in which point bar,crevasse fan and floodplain microfacies can be identified; braided river sedimentary facies developed in the lower part of He 8 member,in which core bar,side bar and sand and mud terraces microfacies can be identified. From Shan 1 to He 8 member,the sedimentary system transited from meandering river to braided river and then to meandering river. The provenance mainly comes from the northeast direction,and the debris accumulates rapidly near the provenance. The sand body distributes in strip parallel to the source supply direction,and the continuity of the sand body along the long axis direction is better. The favorable reservoirs are concentrated in the lower part of He 8 member,whose reservoir physical properties are better than those of the upper part of He 8 member and Shan 1 member.
The main production layer of Su 36 block in Sulige gasfield is He 8 Member-Shan 1 Member. Based on the previous research results,the sedimentary microfacies types and the sandbody distribution law of this block were studied through core observation and description,lithology analysis,grain size analysis,single well facies interpretation and connection well section analysis,etc.,and the sedimentary evolution mode was simulated. The research results show that,the meandering river sedimentary facies developed in the upper part of He 8 member and Shan 1 member,in which point bar,crevasse fan and floodplain microfacies can be identified; braided river sedimentary facies developed in the lower part of He 8 member,in which core bar,side bar and sand and mud terraces microfacies can be identified. From Shan 1 to He 8 member,the sedimentary system transited from meandering river to braided river and then to meandering river. The provenance mainly comes from the northeast direction,and the debris accumulates rapidly near the provenance. The sand body distributes in strip parallel to the source supply direction,and the continuity of the sand body along the long axis direction is better. The favorable reservoirs are concentrated in the lower part of He 8 member,whose reservoir physical properties are better than those of the upper part of He 8 member and Shan 1 member.
引文
[1]侯加根,唐颖,刘钰铭,等.鄂尔多斯盆地苏里格气田东区致密储层分布模式[J].岩性油气藏,2014,26(3):1-6.HOU Jiagen,TANG Ying,LIU Yuming,et al.Distribution pattern of tight reservoirs in eastern Sulige Gas Field,Ordos Basin[J].Lithologic Reservoir,2014,26(3):1-6.
[2]陈欢庆,朱筱敏.精细油藏描述中的沉积微相建模进展[J].地质科技情报,2008,27(2):73-79.CHEN Huanqing,ZHU Xiaomin.Microfacies modeling in fine reservoir description[J].Geological Science and Technology Information,2008,27(2):73-79.
[3]陈孟晋,汪泽成,郭彦如,等.鄂尔多斯盆地南部晚古生代沉积特征与天然气勘探潜力[J].石油勘探与开发,2006,33(1):1-5.CHEN Mengjin,WANG Zecheng,GUO Yanru,et al.Late Paleozoic sedimentary systems and gas potential in the southern Ordos Basin[J].Petroleum Exploration and Development,2006,33(1):1-5.
[4]刘海燕,王秀平,马东旭.苏里格气田S120区块山1-盒8沉积微相研究[J].河北工程大学学报(自然科学版),2013,30(1):63-68.LIU Haiyan,WANG Xiuping,MA Dongxu.Sedimentary microfacies research on the Shan 1 and He 8 in Block 120of Sulige gas field[J].Journal of Hebei University of Engineering(Natural Science Edition),2013,30(1):63-68.
[5]杨西燕,沈昭国,方少仙,等.鄂尔多斯盆地乌审旗气田中二叠统下石盒子组盒8段下亚段滩坝砂体沉积特征[J].古地理学报,2007,9(2):175-183.YANG Xiyan,SHEN Zhaoguo,FANG Shaoxian,et al.Sedimentary characteristics of beach and bar sandbodies in the lower submember of Member 8 of Xiashihezi Formation of Middle Permian in Wushenqi Gas field,Ordos Basin[J].Journal of Palaeogeography,2007,9(2):175-183.
[6]单敬福,张吉,王继平,等.苏里格气田西区盒8下亚段辫状河沉积论证与分析[J].吉林大学学报(地球科学版),2015,45(6):1597-1607.SHAN Jingfu,ZHANG Ji,WANG Jiping,et al.Demonstration and analysis of the braided river deposition in the Lower He 8 Member in Western Sulige Gas Field[J].Journal of Jilin University(Earth Science Edition),2015,45(6):1597-1607.
[7]李亚龙,于兴河,单新,等.鄂尔多斯盆地东南部下石盒子组盒8段物源特征与沉积相[J].东北石油大学学报,2016,40(3):51-60.LI Yalong,YU Xinghe,SHAN Xin,et al.Provenance and sedimentary facies of He 8 member of Xiashihezi formation in southeastern Ordos Basin[J].Journal of Northeast Petroleum University,2016,40(3):51-60.
[8]徐蒙,王家豪,徐东浩,等.苏里格气田苏120区块盒8段浅水辫状河三角洲砂体演化规律[J].沉积学报,2013,31(2):340-349.XU Meng,WANG Jiahao,XU Donghao,et al.The sandbody evolution of shallow-water braided river deltas in the Eighth Member of Shihezi Formation in Block Su120,Sulige Gas Field[J].Acta Sedimentologica Sinica,2013,31(2):340-349.
[9]赵勇,李义军,杨仁超,等.苏里格气田东区山1、盒8段储层沉积微相与地质建模[J].矿物岩石,2010,30(4):86-94.ZHAO Yong,LI Yijun,YANG Renchao,et al.Sedimentary microfacies and geological modeling of the P1s1 and P2h8reservoirs in the eastern part of the Sulige Gas Field[J].Journal of Mineralogy and Petrology,2010,30(4):86-94.
[10]许磊,于兴河,杨勇,等.苏里格南部地区盒8段致密砂岩储层成岩作用及成岩相划分[J].天然气工业,2012,32(7):15-20.XU Lei,YU Xinghe,YANG Yong,et al.Diagenesis and diagenetic facies of tight sandstone reservoirs in the 8th member of the Shihezi Formation,southern Sulige Gas Field[J].Natural Gas Industry,2012,32(7):15-20.
[11]杨玮.鄂尔多斯盆地铜川-富县地区延长组长6-长7沉积特征研究[D].西安:西安石油大学,2014.
[12]孙中强,张金亮,范忠礼,等.东濮凹陷文南油田文79块沙二下亚段沉积微相研究[J].中国科技论文,2015,10(15):1839-1844,1849.SUN Zhongqiang,ZHANG Jinliang,FAN Zhongli,et al.Sedimentary microfacies in the lower 2nd member of Shahejie Formation in the Wen79 block of the Wennan Oilfield in Dongpu depression[J].China Sciencepaper,2015,10(15):1839-1844,1849.
[13]马瑶,李文厚,王若谷,等.鄂尔多斯盆地子洲地区上古生界沉积相及演化特征[J].地质科学,2015,50(1):286-302.MA Yao,LI Wenhou,WANG Ruogu,et al.Sedimentary facies and its evolution of the Upper Paleozoic in Zizhou area of Ordos Basin[J].Chinese Journal of Geology(Scientia Geologica Sinica),2015,50(1):286-302.
[14]张金亮,谢俊.储层沉积相[M].北京:石油工业出版社,2008:55-76.
[15]赵谦平,王若谷,高飞,等.鄂尔多斯盆地东南部延长探区上古生界物源分析[J].西北大学学报(自然科学版),2015,45(6):933-941.ZHAO Qianping,WANG Ruogu,GAO Fei,et al.Provenance analysis of Upper Paleozoic in Yanchang Blocks,the Southeast Ordos Basin[J].Journal of Northwest University(Natural Science Edition),2015,45(6):933-941.
[16]杨飞,邹妞妞,史基安,等.柴达木盆地北缘马仙地区古近系碎屑岩沉积环境粒度概率累积曲线特征[J].天然气地球科学,2013,24(04):690-700.YANG Fei,ZOU Niuniu,SHI Ji'an,et al.Probability cumulative grain size curves in the Paleogene clastic sediments and environmental significance in Maxian Region of Northern Qaidam Basin[J].Natural Gas Geoscience,2013,24(04):690-700.
[17]LI Yijun,ZHAO Yong,YANG Renchao,et al.Detailed sedimentary facies of a sandstone reservoir in the eastern zone of the Sulige Gas Field,Ordos Basin[J].Mining Science and Technology,2010,20(6):891-897,903.
[18]吴南,陈开远,徐晓峰,等.乌审旗地区苏75井区盒8段沉积相及其展布特征[J].西安石油大学学报(自然科学版),2015,30(1):23-29.WU Nan,CHEN Kaiyuan,XU Xiaofeng,et al.Sedimentary facies of He-8 member in Su-75 block of Wushenqi area and its distribution characteristics[J].Journal of Xi'an Shiyou University(Natural Science Edition),2015,30(1):23-29.
[19]张海涛,时卓,石玉江,等.低渗透致密砂岩储层成岩相类型及测井识别方法:以鄂尔多斯盆地苏里格气田下石盒子组8段为例[J].石油与天然气地质,2012,33(2):256-264.ZHANG Haitao,SHI Zhuo,SHI Yujiang,et al.Diagenetic facies types and logging identification methods for low-permeability tight sandstone reservoirs:a case study of the 8th member of Xiashihezi Formation in Sulige gasfield,Ordos Basin[J].Oil&Gas Geology,2012,33(2):256-264.
[20]雷卞军,李跃刚,李浮萍,等.鄂尔多斯盆地苏里格中部水平井开发区盒8段沉积微相和砂体展布[J].古地理学报,2015,17(1):91-105.LEI Bianjun,LI Yuegang,LI Fuping,et al.Sedimentary microfacies and sandbody distribution of the Member 8 of Xiashihezi Formation in horizontal well zone,central Sulige area,Ordos Basin[J].Journal of Palaeogeography(Chinese Edition),2015,17(1):91-105.
[21]屈红军,马强,高胜利,等.物源与沉积相对鄂尔多斯盆地东南部上古生界砂体展布的控制[J].沉积学报,2011,29(5):825-834.QU Hongjun,MA Qiang,GAO Shengli,et al.Controls of provenance and depositional facies on sandbody distributions of the Upper Paleozoic in Southeast Ordos Basin[J].Acta Sedimentologica Sinica,2011,29(5):825-834.
[22]刘秉晞,贺志亮,陈宇,等.鄂尔多斯盆地甘谷驿油田唐157井区长6油层组沉积相研究[J].西安石油大学学报(自然科学版),2016,31(4):44-50.LIU Bingxi,HE Zhiliang,CHEN Yu,et al.Study on sedimentary facies of Chang 6 Oil-bearing Strata in 157 Wellblock of Ganguyi Oilfield in Ordos Basin[J].Journal of Xi'an Shiyou University(Natural Science Edition),2016,31(4):44-50.
[23]郭智,贾爱林,何东博,等.鄂尔多斯盆地苏里格气田辫状河体系带特征[J].石油与天然气地质,2016,37(2):197-204.GUO Zhi,JIA Ailin,HE Dongbo,et al.Characteristics of braided river sedimentary system zones in Sulige Gasfield,Ordos Basin[J].Oil&Gas Geology,2016,37(2):197-204.
[24]郭艳琴,余芳,李洋,等.鄂尔多斯盆地东部盒8致密砂岩沉积特征及沉积模式[J].地质通报,2015,34(10):1971-1980.GUO Yanqin,YU Fang,LI Yang,et al.Sedimentary characteristics and model of the tight sand of the He 8 formation in eastern Ordos Basin[J].Geological Bulletin of China,2015,34(10):1971-1980.
[25]李志华,黄文辉.辫状河三角洲岩相特征及沉积模式:以鄂尔多斯盆地苏南地区盒8段为例[J].岩性油气藏,2017,29(1):43-50.LI Zhihua,HUANG Wenhui.Lithofacies characteristics and sedimentary model of braided river delta:a case study of He 8 member in the southern Sulige,Ordos Basin[J].Lithologic Reservoirs,2017,29(1):43-50.
[2]陈欢庆,朱筱敏.精细油藏描述中的沉积微相建模进展[J].地质科技情报,2008,27(2):73-79.CHEN Huanqing,ZHU Xiaomin.Microfacies modeling in fine reservoir description[J].Geological Science and Technology Information,2008,27(2):73-79.
[3]陈孟晋,汪泽成,郭彦如,等.鄂尔多斯盆地南部晚古生代沉积特征与天然气勘探潜力[J].石油勘探与开发,2006,33(1):1-5.CHEN Mengjin,WANG Zecheng,GUO Yanru,et al.Late Paleozoic sedimentary systems and gas potential in the southern Ordos Basin[J].Petroleum Exploration and Development,2006,33(1):1-5.
[4]刘海燕,王秀平,马东旭.苏里格气田S120区块山1-盒8沉积微相研究[J].河北工程大学学报(自然科学版),2013,30(1):63-68.LIU Haiyan,WANG Xiuping,MA Dongxu.Sedimentary microfacies research on the Shan 1 and He 8 in Block 120of Sulige gas field[J].Journal of Hebei University of Engineering(Natural Science Edition),2013,30(1):63-68.
[5]杨西燕,沈昭国,方少仙,等.鄂尔多斯盆地乌审旗气田中二叠统下石盒子组盒8段下亚段滩坝砂体沉积特征[J].古地理学报,2007,9(2):175-183.YANG Xiyan,SHEN Zhaoguo,FANG Shaoxian,et al.Sedimentary characteristics of beach and bar sandbodies in the lower submember of Member 8 of Xiashihezi Formation of Middle Permian in Wushenqi Gas field,Ordos Basin[J].Journal of Palaeogeography,2007,9(2):175-183.
[6]单敬福,张吉,王继平,等.苏里格气田西区盒8下亚段辫状河沉积论证与分析[J].吉林大学学报(地球科学版),2015,45(6):1597-1607.SHAN Jingfu,ZHANG Ji,WANG Jiping,et al.Demonstration and analysis of the braided river deposition in the Lower He 8 Member in Western Sulige Gas Field[J].Journal of Jilin University(Earth Science Edition),2015,45(6):1597-1607.
[7]李亚龙,于兴河,单新,等.鄂尔多斯盆地东南部下石盒子组盒8段物源特征与沉积相[J].东北石油大学学报,2016,40(3):51-60.LI Yalong,YU Xinghe,SHAN Xin,et al.Provenance and sedimentary facies of He 8 member of Xiashihezi formation in southeastern Ordos Basin[J].Journal of Northeast Petroleum University,2016,40(3):51-60.
[8]徐蒙,王家豪,徐东浩,等.苏里格气田苏120区块盒8段浅水辫状河三角洲砂体演化规律[J].沉积学报,2013,31(2):340-349.XU Meng,WANG Jiahao,XU Donghao,et al.The sandbody evolution of shallow-water braided river deltas in the Eighth Member of Shihezi Formation in Block Su120,Sulige Gas Field[J].Acta Sedimentologica Sinica,2013,31(2):340-349.
[9]赵勇,李义军,杨仁超,等.苏里格气田东区山1、盒8段储层沉积微相与地质建模[J].矿物岩石,2010,30(4):86-94.ZHAO Yong,LI Yijun,YANG Renchao,et al.Sedimentary microfacies and geological modeling of the P1s1 and P2h8reservoirs in the eastern part of the Sulige Gas Field[J].Journal of Mineralogy and Petrology,2010,30(4):86-94.
[10]许磊,于兴河,杨勇,等.苏里格南部地区盒8段致密砂岩储层成岩作用及成岩相划分[J].天然气工业,2012,32(7):15-20.XU Lei,YU Xinghe,YANG Yong,et al.Diagenesis and diagenetic facies of tight sandstone reservoirs in the 8th member of the Shihezi Formation,southern Sulige Gas Field[J].Natural Gas Industry,2012,32(7):15-20.
[11]杨玮.鄂尔多斯盆地铜川-富县地区延长组长6-长7沉积特征研究[D].西安:西安石油大学,2014.
[12]孙中强,张金亮,范忠礼,等.东濮凹陷文南油田文79块沙二下亚段沉积微相研究[J].中国科技论文,2015,10(15):1839-1844,1849.SUN Zhongqiang,ZHANG Jinliang,FAN Zhongli,et al.Sedimentary microfacies in the lower 2nd member of Shahejie Formation in the Wen79 block of the Wennan Oilfield in Dongpu depression[J].China Sciencepaper,2015,10(15):1839-1844,1849.
[13]马瑶,李文厚,王若谷,等.鄂尔多斯盆地子洲地区上古生界沉积相及演化特征[J].地质科学,2015,50(1):286-302.MA Yao,LI Wenhou,WANG Ruogu,et al.Sedimentary facies and its evolution of the Upper Paleozoic in Zizhou area of Ordos Basin[J].Chinese Journal of Geology(Scientia Geologica Sinica),2015,50(1):286-302.
[14]张金亮,谢俊.储层沉积相[M].北京:石油工业出版社,2008:55-76.
[15]赵谦平,王若谷,高飞,等.鄂尔多斯盆地东南部延长探区上古生界物源分析[J].西北大学学报(自然科学版),2015,45(6):933-941.ZHAO Qianping,WANG Ruogu,GAO Fei,et al.Provenance analysis of Upper Paleozoic in Yanchang Blocks,the Southeast Ordos Basin[J].Journal of Northwest University(Natural Science Edition),2015,45(6):933-941.
[16]杨飞,邹妞妞,史基安,等.柴达木盆地北缘马仙地区古近系碎屑岩沉积环境粒度概率累积曲线特征[J].天然气地球科学,2013,24(04):690-700.YANG Fei,ZOU Niuniu,SHI Ji'an,et al.Probability cumulative grain size curves in the Paleogene clastic sediments and environmental significance in Maxian Region of Northern Qaidam Basin[J].Natural Gas Geoscience,2013,24(04):690-700.
[17]LI Yijun,ZHAO Yong,YANG Renchao,et al.Detailed sedimentary facies of a sandstone reservoir in the eastern zone of the Sulige Gas Field,Ordos Basin[J].Mining Science and Technology,2010,20(6):891-897,903.
[18]吴南,陈开远,徐晓峰,等.乌审旗地区苏75井区盒8段沉积相及其展布特征[J].西安石油大学学报(自然科学版),2015,30(1):23-29.WU Nan,CHEN Kaiyuan,XU Xiaofeng,et al.Sedimentary facies of He-8 member in Su-75 block of Wushenqi area and its distribution characteristics[J].Journal of Xi'an Shiyou University(Natural Science Edition),2015,30(1):23-29.
[19]张海涛,时卓,石玉江,等.低渗透致密砂岩储层成岩相类型及测井识别方法:以鄂尔多斯盆地苏里格气田下石盒子组8段为例[J].石油与天然气地质,2012,33(2):256-264.ZHANG Haitao,SHI Zhuo,SHI Yujiang,et al.Diagenetic facies types and logging identification methods for low-permeability tight sandstone reservoirs:a case study of the 8th member of Xiashihezi Formation in Sulige gasfield,Ordos Basin[J].Oil&Gas Geology,2012,33(2):256-264.
[20]雷卞军,李跃刚,李浮萍,等.鄂尔多斯盆地苏里格中部水平井开发区盒8段沉积微相和砂体展布[J].古地理学报,2015,17(1):91-105.LEI Bianjun,LI Yuegang,LI Fuping,et al.Sedimentary microfacies and sandbody distribution of the Member 8 of Xiashihezi Formation in horizontal well zone,central Sulige area,Ordos Basin[J].Journal of Palaeogeography(Chinese Edition),2015,17(1):91-105.
[21]屈红军,马强,高胜利,等.物源与沉积相对鄂尔多斯盆地东南部上古生界砂体展布的控制[J].沉积学报,2011,29(5):825-834.QU Hongjun,MA Qiang,GAO Shengli,et al.Controls of provenance and depositional facies on sandbody distributions of the Upper Paleozoic in Southeast Ordos Basin[J].Acta Sedimentologica Sinica,2011,29(5):825-834.
[22]刘秉晞,贺志亮,陈宇,等.鄂尔多斯盆地甘谷驿油田唐157井区长6油层组沉积相研究[J].西安石油大学学报(自然科学版),2016,31(4):44-50.LIU Bingxi,HE Zhiliang,CHEN Yu,et al.Study on sedimentary facies of Chang 6 Oil-bearing Strata in 157 Wellblock of Ganguyi Oilfield in Ordos Basin[J].Journal of Xi'an Shiyou University(Natural Science Edition),2016,31(4):44-50.
[23]郭智,贾爱林,何东博,等.鄂尔多斯盆地苏里格气田辫状河体系带特征[J].石油与天然气地质,2016,37(2):197-204.GUO Zhi,JIA Ailin,HE Dongbo,et al.Characteristics of braided river sedimentary system zones in Sulige Gasfield,Ordos Basin[J].Oil&Gas Geology,2016,37(2):197-204.
[24]郭艳琴,余芳,李洋,等.鄂尔多斯盆地东部盒8致密砂岩沉积特征及沉积模式[J].地质通报,2015,34(10):1971-1980.GUO Yanqin,YU Fang,LI Yang,et al.Sedimentary characteristics and model of the tight sand of the He 8 formation in eastern Ordos Basin[J].Geological Bulletin of China,2015,34(10):1971-1980.
[25]李志华,黄文辉.辫状河三角洲岩相特征及沉积模式:以鄂尔多斯盆地苏南地区盒8段为例[J].岩性油气藏,2017,29(1):43-50.LI Zhihua,HUANG Wenhui.Lithofacies characteristics and sedimentary model of braided river delta:a case study of He 8 member in the southern Sulige,Ordos Basin[J].Lithologic Reservoirs,2017,29(1):43-50.