松辽盆地北部中浅层石油地质条件、资源潜力及勘探方向
|
摘要
为了落实松辽盆地北部中浅层常规油与致密油的资源潜力,明确勘探方向,在系统总结烃源岩、储层等基本石油地质条件的基础上,分析了常规油与致密油成藏模式及主控因素,采用类比法和成因法计算了常规油与致密油资源量,研究了剩余资源分布特征,指出了下步勘探方向。松辽盆地晚白垩世发育青山口组和嫩江组2套分布广、厚度大、有机质丰度高、有机质类型好的优质烃源岩。中央坳陷区青山口组一段、二段烃源岩处于成熟阶段,生排烃能力强,是常规油和致密油的主力烃源岩。大型湖泊三角洲—河流沉积的各种砂体与烃源岩形成了良好的生储盖配置,构成了盆地的上、中、下3套含油气组合,其中致密油主要分布于中部含油组合的高台子油层和下部含油组合的扶余油层。常规油成藏主要具有下生上储、上生下储及异地生储3种模式,致密油成藏主要有自生自储和上生下储2种模式,有效烃源岩控制了常规油油藏和致密油油藏分布,沉积相带控制了常规油油藏类型,储层物性控制了致密油富集。在烃源岩精细评价的基础上,采用盆地模拟法计算的石油总资源量为102×10~8 t;通过系统解剖6个常规油和3个致密油区带刻度区,采用类比法精细评价的常规油资源量为88.7×10~8 t,致密油资源量为12.7×10~8 t。常规油中的葡萄花油层剩余资源潜力大,是近期勘探的主力层系,古龙、长垣和三肇等地区是主要的勘探有利区;长垣、三肇和齐家—古龙的扶余油层是致密油勘探的有利区。
In order to work out the resource potential of conventional oil and tight oil in northern Songliao Basin and guide the exploration direction, based on systematic summarization of petroleum geological conditions such as source rock, reservoir physical properties and so on, oil accumulation patterns and dominant control factors are analyzed. The resources of conventional oil and tight oil are evaluated by both analogy and genesis methods and the distributions of remaining oil resources are studied in order to guide the next exploration direction of oil. Two sets of excellent source rocks of the Qingshankou Formation and Nenjiang Fornation, developing in the Late Cretaceous, spread vastly in the Songliao Basin with large thickness, high organic content and oil-prone kerogen type. The source rock of Qingshankou1 st-2 nd Member in the central depression being in mature stage is the primary source rock of both conventional oil and tight oil. Various sand bodies developing in the large-scale lacustrine delta and fluvial facies match well with source rocks and seal beds as reservoirs, forming upper, middle and lower petroleum systems. Tight oil are mainly distributed in Gaotaizi oil layers of the middle petroleum system and in Fuyu oil layers of the lower petroleum system. As to conventional oil reservoirs, there are three accumulation patterns named "accumulation below source", "accumulation above source", and "accumulation allochthonous to source". In contrast, tight oil mainly form in two accumulation patterns named "accumulation in place" and "accumulation above source". The effective source rocks control the distribution of both conventional oil and tight oil, while the sedimentary facies control the conventional oil reservoir type and the reservoir physical properties control the enrichment of tight oil. Based on fine evaluation of source rocks,the total oil resources are estimated as 102×10~8 t by basin modeling method. Six calibrating zones for conventional oil and three calibrating zones for tight oil are systematically evaluated, based on which the conventional oil resources are estimated as 88.7×10~8 t, and the tight oil resources as 12.7×10~8 t by analogy method. It is suggested that the Putaohua oil layers of Gulong depression, Daqing placanticline, and Sanzhao depression are the primary targets for conventional oil exploration in the near future. The Fuyu oil layers of Daqing placanticline, Sanzhao depression, and Qijia-Gulong depression are the favor targets of tight oil exploration.
In order to work out the resource potential of conventional oil and tight oil in northern Songliao Basin and guide the exploration direction, based on systematic summarization of petroleum geological conditions such as source rock, reservoir physical properties and so on, oil accumulation patterns and dominant control factors are analyzed. The resources of conventional oil and tight oil are evaluated by both analogy and genesis methods and the distributions of remaining oil resources are studied in order to guide the next exploration direction of oil. Two sets of excellent source rocks of the Qingshankou Formation and Nenjiang Fornation, developing in the Late Cretaceous, spread vastly in the Songliao Basin with large thickness, high organic content and oil-prone kerogen type. The source rock of Qingshankou1 st-2 nd Member in the central depression being in mature stage is the primary source rock of both conventional oil and tight oil. Various sand bodies developing in the large-scale lacustrine delta and fluvial facies match well with source rocks and seal beds as reservoirs, forming upper, middle and lower petroleum systems. Tight oil are mainly distributed in Gaotaizi oil layers of the middle petroleum system and in Fuyu oil layers of the lower petroleum system. As to conventional oil reservoirs, there are three accumulation patterns named "accumulation below source", "accumulation above source", and "accumulation allochthonous to source". In contrast, tight oil mainly form in two accumulation patterns named "accumulation in place" and "accumulation above source". The effective source rocks control the distribution of both conventional oil and tight oil, while the sedimentary facies control the conventional oil reservoir type and the reservoir physical properties control the enrichment of tight oil. Based on fine evaluation of source rocks,the total oil resources are estimated as 102×10~8 t by basin modeling method. Six calibrating zones for conventional oil and three calibrating zones for tight oil are systematically evaluated, based on which the conventional oil resources are estimated as 88.7×10~8 t, and the tight oil resources as 12.7×10~8 t by analogy method. It is suggested that the Putaohua oil layers of Gulong depression, Daqing placanticline, and Sanzhao depression are the primary targets for conventional oil exploration in the near future. The Fuyu oil layers of Daqing placanticline, Sanzhao depression, and Qijia-Gulong depression are the favor targets of tight oil exploration.
引文
[1]大庆油田石油地质志编辑委员会.中国石油地质志(卷二)[M].北京:石油工业出版社,1993:14-21.
[2]贾承造,赵政璋,赵文智,等.陆上主要含油气盆地油气资源与勘探潜力[J].石油学报,2005,26(增刊):1-6.
[3]董大忠,蔚远江,杨涛,等.石油地质理论与勘探技术进步在资源评价中的作用[J].石油学报,2005,26(增刊):18-24.
[4]赵文智,胡素云,瞿辉.含油气系统研究思路与方法在油气资源评价中的应用[J].石油学报,2005,26(增刊):30-34.
[5]吴河勇,王跃文,梁晓东,等.向斜成藏理论及其石油地质意义[J].地学前缘,2015,22(1):181-188.
[6]金成志.松辽盆地北部陆相非均质致密油整体勘探开发“2+3”模式[J].大庆石油地质与开发,2014,33(5):9-15.
[7]高瑞琪,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,1997:7-181.
[8]冯子辉,方伟,李振广,等.松辽盆地陆相大规模优质烃源岩沉积环境的地球化学标志[J].中国科学:D辑地球科学,2011,41(9):1253-1267.
[9]高瑞祺,何承全,乔秀云,等.松辽盆地白垩系非海相沟鞭藻、绿藻及疑源类[M].南京:南京大学出版社,1992:18-26.
[10]冯子辉,方伟,王雪,等.松辽盆地海侵制约油页岩形成的微体古生物和分子化石证据[J].中国科学:D辑地球科学,2009,39(10):1375-1386.
[11]冯子辉,霍秋立,王雪,等.青山口组一段烃源岩有机地球化学特征及古沉积环境[J].大庆石油地质与开发,2015,34(4):1-7.
[12]冯子辉,霍秋立,王雪,等.松辽盆地松科1井晚白垩世沉积地层有机地球化学研究[J].地学前缘,2009,16(5):181-191.
[13]候启军,冯志强,冯子辉.松辽盆地陆相石油地质学[M].北京:石油工业出版社,2009:63-277.
[14]林铁锋,张庆石,张金友,等.齐家地区高台子油层致密砂岩油藏特征及勘探潜力[J].大庆石油地质与开发,2014,33(5):36-43.
[15]张革,杨庆杰,戴国威,等.大庆长垣扶余油层成藏特征及勘探潜力[J].大庆石油地质与开发,2014,33(5):30-35.
[16]周华.松辽盆地北部油气藏类型与分布规律[J].内蒙古石油化工,2011(15):150-152.
[17]邹才能,朱如凯,吴松涛,等.常规与非常规油气聚集类型、特征、机理及展望:以中国致密油和致密气为例[J].石油学报,2012,33(2):173-186.
[18]赵靖舟.非常规油气有关概念、分类及资源潜力[J].天然气地球科学,2012,23(3):393-406.
[19]杜金虎.中国陆相致密油[M].北京:石油工业出版社,2016:1-18.
[20]贾承造,郑民,张永峰.中国非常规油气资源与勘探开发前景[J].石油勘探与开发,2012,39(2):129-136.
[21]周庆凡,杨国丰.致密油与页岩油的概念与应用[J].石油与天然气地质,2012,33(4):541-544.
[22]刘成林,连长波,杨虎林,等.常规与非常规油气资源评价方法与应用[M].北京:地质出版社,2012:1-10.
[23]郭秋麟,陈宁生,刘成林,等.油气资源评价方法研究进展与新一代评价软件系统[J].石油学报,2015,36(10):1305-1314.
[24]宋振响,陆建林,周卓明,等.常规油气资源评价方法研究进展与发展方向[J].中国石油勘探,2017,22(3):21-31.
[25]郭秋麟,谢红兵,黄旭楠,等.油气资源评价方法体系与应用[M].北京:石油工业出版社,2016:1-20.
[26]吴晓智,王社教,郑民,等.常规与非常规油气资源评价技术规范体系建立及意义[J].天然气地球科学,2016,27(9):1640-1650.
[27]赵文智,胡素云,沈成喜,等.油气资源评价方法研究新进展[J].石油学报,2005,26(增刊):25-29.
[28]李建忠,吴晓智,郑民,等.常规与非常规油气资源评价的总体思路、方法体系与关键技术[J].天然气地球科学,2016,27(9):1557-1565.
[29]霍秋立,曾花森,付丽.Δlg R测井源岩评价方法的改进及其在松辽盆地的应用[J].吉林大学学报(地球科学版),2011,41(2):586-591.
[30]付丽,梁江平,白雪峰,等.松辽盆地北部扶余油层致密油资源评价[J].大庆石油地质与开发,2016,35(4):168-174.
[31]柳广弟,赵文智,胡素云,等.油气运聚单元石油运聚系数的预测模型[J].石油勘探与开发,2003,30(5):53-55.
[32]况军.试探油气运移中的聚散及计算模式[J].石油勘探与开发,1990,17(6):35-40.
[33]蒙启安,白雪峰,梁江平,等.松辽盆地北部扶余油层致密油特征及勘探对策[J].大庆石油地质与开发,2014,3(5):23-29.
[2]贾承造,赵政璋,赵文智,等.陆上主要含油气盆地油气资源与勘探潜力[J].石油学报,2005,26(增刊):1-6.
[3]董大忠,蔚远江,杨涛,等.石油地质理论与勘探技术进步在资源评价中的作用[J].石油学报,2005,26(增刊):18-24.
[4]赵文智,胡素云,瞿辉.含油气系统研究思路与方法在油气资源评价中的应用[J].石油学报,2005,26(增刊):30-34.
[5]吴河勇,王跃文,梁晓东,等.向斜成藏理论及其石油地质意义[J].地学前缘,2015,22(1):181-188.
[6]金成志.松辽盆地北部陆相非均质致密油整体勘探开发“2+3”模式[J].大庆石油地质与开发,2014,33(5):9-15.
[7]高瑞琪,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,1997:7-181.
[8]冯子辉,方伟,李振广,等.松辽盆地陆相大规模优质烃源岩沉积环境的地球化学标志[J].中国科学:D辑地球科学,2011,41(9):1253-1267.
[9]高瑞祺,何承全,乔秀云,等.松辽盆地白垩系非海相沟鞭藻、绿藻及疑源类[M].南京:南京大学出版社,1992:18-26.
[10]冯子辉,方伟,王雪,等.松辽盆地海侵制约油页岩形成的微体古生物和分子化石证据[J].中国科学:D辑地球科学,2009,39(10):1375-1386.
[11]冯子辉,霍秋立,王雪,等.青山口组一段烃源岩有机地球化学特征及古沉积环境[J].大庆石油地质与开发,2015,34(4):1-7.
[12]冯子辉,霍秋立,王雪,等.松辽盆地松科1井晚白垩世沉积地层有机地球化学研究[J].地学前缘,2009,16(5):181-191.
[13]候启军,冯志强,冯子辉.松辽盆地陆相石油地质学[M].北京:石油工业出版社,2009:63-277.
[14]林铁锋,张庆石,张金友,等.齐家地区高台子油层致密砂岩油藏特征及勘探潜力[J].大庆石油地质与开发,2014,33(5):36-43.
[15]张革,杨庆杰,戴国威,等.大庆长垣扶余油层成藏特征及勘探潜力[J].大庆石油地质与开发,2014,33(5):30-35.
[16]周华.松辽盆地北部油气藏类型与分布规律[J].内蒙古石油化工,2011(15):150-152.
[17]邹才能,朱如凯,吴松涛,等.常规与非常规油气聚集类型、特征、机理及展望:以中国致密油和致密气为例[J].石油学报,2012,33(2):173-186.
[18]赵靖舟.非常规油气有关概念、分类及资源潜力[J].天然气地球科学,2012,23(3):393-406.
[19]杜金虎.中国陆相致密油[M].北京:石油工业出版社,2016:1-18.
[20]贾承造,郑民,张永峰.中国非常规油气资源与勘探开发前景[J].石油勘探与开发,2012,39(2):129-136.
[21]周庆凡,杨国丰.致密油与页岩油的概念与应用[J].石油与天然气地质,2012,33(4):541-544.
[22]刘成林,连长波,杨虎林,等.常规与非常规油气资源评价方法与应用[M].北京:地质出版社,2012:1-10.
[23]郭秋麟,陈宁生,刘成林,等.油气资源评价方法研究进展与新一代评价软件系统[J].石油学报,2015,36(10):1305-1314.
[24]宋振响,陆建林,周卓明,等.常规油气资源评价方法研究进展与发展方向[J].中国石油勘探,2017,22(3):21-31.
[25]郭秋麟,谢红兵,黄旭楠,等.油气资源评价方法体系与应用[M].北京:石油工业出版社,2016:1-20.
[26]吴晓智,王社教,郑民,等.常规与非常规油气资源评价技术规范体系建立及意义[J].天然气地球科学,2016,27(9):1640-1650.
[27]赵文智,胡素云,沈成喜,等.油气资源评价方法研究新进展[J].石油学报,2005,26(增刊):25-29.
[28]李建忠,吴晓智,郑民,等.常规与非常规油气资源评价的总体思路、方法体系与关键技术[J].天然气地球科学,2016,27(9):1557-1565.
[29]霍秋立,曾花森,付丽.Δlg R测井源岩评价方法的改进及其在松辽盆地的应用[J].吉林大学学报(地球科学版),2011,41(2):586-591.
[30]付丽,梁江平,白雪峰,等.松辽盆地北部扶余油层致密油资源评价[J].大庆石油地质与开发,2016,35(4):168-174.
[31]柳广弟,赵文智,胡素云,等.油气运聚单元石油运聚系数的预测模型[J].石油勘探与开发,2003,30(5):53-55.
[32]况军.试探油气运移中的聚散及计算模式[J].石油勘探与开发,1990,17(6):35-40.
[33]蒙启安,白雪峰,梁江平,等.松辽盆地北部扶余油层致密油特征及勘探对策[J].大庆石油地质与开发,2014,3(5):23-29.
© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号 地址：北京市海淀区学院路29号 邮编：100083 电话：办公室：(+86 10)66554848；文献借阅、咨询服务、科技查新：66554700 |