惠民凹陷商741区沙一段火山岩储层特征
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摘要
惠民凹陷商741区沙一段存在多层火山岩,通过对其4口取芯井岩芯的观察、描述和54张岩石薄片的鉴定,认为研究区沙一段火山岩以火山碎屑岩中的火山角砾岩和凝灰岩为主,储集空间类型主要有原生气孔、粒间孔,溶蚀作用形成的粒间溶孔、粒内溶孔,以及构造裂缝、成岩收缩裂缝等类型。岩芯物性及测井资料解释,研究区火山岩储层具有孔隙度较高、渗透率差别较大,非均质性较强的特点;在垂向上,第Ⅳ、Ⅴ、Ⅵ期的火山岩储层物性较好,第Ⅱ、Ⅲ期次之,第Ⅰ期的物性最差。从成岩作用方面探究其原因,认为溶蚀作用改善了储集性能。
There are many volcanic eruptions in Sha-1 member of the Shang 741 area of Huimin Depression.Through the observation and description of the core of the four core wells as well as the identification of 54 slices,it has been found that the volcanic rocks of Sha-1 member in the study area are mainly volcanic breccia and tuffs of the volcanoclastic rocks.The types of reservoirs are mainly composed of protogenetic pores,intergranular pores,intergranular dissolution pores,intragranular dissolution pores,tectonic fractures and diagenetic shrinkage fractures.The physical characteristics of rock core,mercury injection and logging data suggest that the volcanic reservoirs in the study area are characterized by high porosity,large difference in permeability and strong heterogeneity.In the vertical direction,the volcanic reservoirs of Phase IV,V and VI have better physical properties;Phrase II and III followed;and Phase I has the worst physical properties.In terms of the diagenesis,it is found that it is the dissolution that has improved the reservoir performance.
There are many volcanic eruptions in Sha-1 member of the Shang 741 area of Huimin Depression.Through the observation and description of the core of the four core wells as well as the identification of 54 slices,it has been found that the volcanic rocks of Sha-1 member in the study area are mainly volcanic breccia and tuffs of the volcanoclastic rocks.The types of reservoirs are mainly composed of protogenetic pores,intergranular pores,intergranular dissolution pores,intragranular dissolution pores,tectonic fractures and diagenetic shrinkage fractures.The physical characteristics of rock core,mercury injection and logging data suggest that the volcanic reservoirs in the study area are characterized by high porosity,large difference in permeability and strong heterogeneity.In the vertical direction,the volcanic reservoirs of Phase IV,V and VI have better physical properties;Phrase II and III followed;and Phase I has the worst physical properties.In terms of the diagenesis,it is found that it is the dissolution that has improved the reservoir performance.
引文
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[19]王静,国景星,盛世锋,等.商河油田水下喷发火山岩储层特征[J].断块油气田,2008,15(2):40-42.WANG Jing,GUO Jingxing,SHENG Shifeng,et al.Reservoir characteristics of igneous rock erupted under water in Shanghe oilfield[J].Fault-Block Oil&Gas Field,2008,15(2):40-42.
[20]单玄龙,陈玉平,唐黎明,等.火山岩储层综合评价方法与应用:以松南气田营城组旋回三为例[J].山东科技大学学报(自然科学版),2011,30(3):1-6.SHAN Xuanlong,CHEN Yuping,TANG Liming,et al.Comprehensive evaluation method for volcanic rock reservoirs and its application:Taking Songnan gas field for example[J].Journal of Shandong University of Science and Technology(Natural Science),2011,30(3):1-6.
[21]王岩泉,边伟华,刘宝鸿,等.辽河盆地火成岩储层评价标准与有效储层物性下限[J].中国石油大学学报(自然科学版),2016,2(40):13-22.WANG Yanquan,BIAN Weihua,LIU Baohong,et al.Evaluation criterion and cut-off value of igneous rock reservoirs in Liaohe Basin[J].Journal of China University of Petroleum(Edition of Natural Science),2016,2(40):13-22.
[2]SCHUTTER S R.Hydrocarbon occurrence and exploration in and around igneous rocks[J].Geological Society of London Special Publications,2003,214(1):7-33.
[3]KONING T.Oil and gas production from basement reservoirs:Examples from Indonesia,USA and Venezuela[J].Geological Society London Special Publications,2000,214(1):83-92.
[4]MITSUHATA Y,MATSUO K,MINEGISHI M.Magnetotelluric survey for exploration of a volcanic rock reservoir in the Yurihara oil and gas field,Japan[J].Geophysical Prospecting,1999,47(2):195-218.
[5]张福明,侯颖,朱明,等.火山岩储层测井评价技术现状及发展趋势[J].地球物理学进展,2016,31(4):1732-1751.ZHANG Fuming,HOU Ying,ZHU Ming,et al.Present situation and development trend prospect in volcanin reservoir evaluation based on well logging data[J].Progress in Geophysics,2016,31(4):1732-1751.
[6]刘惠民,肖焕钦,韩荣花.临邑洼陷商741火成岩油藏岩相及储集层研究[J].地质论评,2000,46(4):425-430.LIU Huimin,XIAO Huanqin,HAN Ronghua.Research on lithofaeies and reservoirs of Shang-741igneous oil reservoir,Linyi subsag[J].Geological Review,2000,46(4):425-430.
[7]刘惠民,肖焕钦,韩荣花.火成岩油藏相模式及储集层研究:以商741油藏为例[J].复式油气田,1998(4):40-43.LIU Huimin,XIAO Huanqin,HAN Ronghua.Layer of igneous rock reservoir and oil reservoir model:Take Shang 741reservoir as an example[J].Complex Oil-gas field,1998(4):40-43.
[8]操应长,邱隆伟.济阳坳陷下第三系火成岩储集层的控制因素[J].石油勘探与开发,2000,27(5):44-46.CAO Yingchang,QIU Longwei.Study on the type and control factor of the igneous reservoir of Lower Tertiary in Jiyang depression[J].Petroleum Exploration and Development,2000,27(5):44-46.
[9]操应长.山东惠民凹陷商741块火成岩油藏储集空间类型及形成机理探讨[J].岩石学报,1999,15(1):129-136.CAO Yingchang.Study on the type and origin of the reservoir space of igneous oil reservoir in Shang 741block,Huimin depression,Shandong[J].Acta Petrologica Sinica,1999,15(1):129-136.
[10]徐刚,王兴谋,邱隆伟,等.惠民凹陷商741井区火成岩储集层研究[J].石油勘探与开发,2003,30(3):99-102.XU Gang,WANG Xingmou,QIU Longwei,et al.Igneous rock reservoirs of the well Shang 741area in Huimin Sag[J].Petroleum Exploration and Development,2003,30(3):99-102.
[11]王金友,张世奇,赵俊青,等.渤海湾盆地惠民凹陷临商地区火山岩储层特征[J].石油实验地质,2003,25(3):264-268.WANG Jinyou,ZHANG Shiqi,ZHAO Junqing,et al.Characteristics of volcanic rock reservoirs in the Linshang area of the Huimin Sag[J].Petroleum Geology&Experiment,2003,25(3):264-268.
[12]刘惠民,谢忠怀.渤海湾盆地济阳坳陷第三系火成岩岩石化学特征及成因分析[J].石油实验地质,2003,25(4):385-389.LIU Huimin,XIE Zhonghuai.Analysis on the petrochemical characteristics and geneses of the Tertiary igneous rock in the Jiyang depression,the Bohaiwan basin[J].Petroleum Geology&Experiment,2003,25(4):385-389..
[13]倪金龙,刘俊来,林玉祥,等.惠民凹陷西部深层断裂样式与古近纪盆地原型的性质[J].中国石油大学学报(自然科学版),2011,35(1):20-27.NI Jinlong,LIU Junlai,LIN Yuxiang et al.Style of deep faulting and its control on the Paleogene basin evolved into the western Huimin depression,Eastern China[J].Journal of China University of Petroleum(Edition of Natural Science),2011,35(1):20-27.
[14]尉菲菲.惠民凹陷商741地区沙一段火山岩储层分类评价[D].青岛:山东科技大学,2013.
[15]董东.济阳-昌潍坳陷火成岩油气藏体系形成机理和分布规律研究[J].北京:中国科学院,2001.
[16]赵澄林,刘梦慧,胡爱梅,等.特殊油气储层[M].北京:石油工业出版社,1997:10-18.
[17]FENG Z H,YIN C H,LIU J J,et al.Formation mechanism of in-situ volcanic reservoirs in eastern China:A case study from Xushen gasfield in Songliao Basin[J].Science China Earth Sciences,2014,57(12):2998-3014.
[18]ZOU C N,ZHU R K,ZHAO W Z,et al.Geologic characteristics of volcanic hydrocarbon reservoirs and exploration directions in China[J].Acta Geologica Sinica,2010,84(1):194-205.
[19]王静,国景星,盛世锋,等.商河油田水下喷发火山岩储层特征[J].断块油气田,2008,15(2):40-42.WANG Jing,GUO Jingxing,SHENG Shifeng,et al.Reservoir characteristics of igneous rock erupted under water in Shanghe oilfield[J].Fault-Block Oil&Gas Field,2008,15(2):40-42.
[20]单玄龙,陈玉平,唐黎明,等.火山岩储层综合评价方法与应用:以松南气田营城组旋回三为例[J].山东科技大学学报(自然科学版),2011,30(3):1-6.SHAN Xuanlong,CHEN Yuping,TANG Liming,et al.Comprehensive evaluation method for volcanic rock reservoirs and its application:Taking Songnan gas field for example[J].Journal of Shandong University of Science and Technology(Natural Science),2011,30(3):1-6.
[21]王岩泉,边伟华,刘宝鸿,等.辽河盆地火成岩储层评价标准与有效储层物性下限[J].中国石油大学学报(自然科学版),2016,2(40):13-22.WANG Yanquan,BIAN Weihua,LIU Baohong,et al.Evaluation criterion and cut-off value of igneous rock reservoirs in Liaohe Basin[J].Journal of China University of Petroleum(Edition of Natural Science),2016,2(40):13-22.