Abstract：The development characteristics of sedimentary microfacies significantly affect the occurrence and exploitation of shale oil. Taking the cores from the upper part of 4th Member of Quantou Formation and lower part of 2nd-3rd members of Qingshankou Formation from SYY1 and SYY2 wells in Qijia-Gulong area of northern Songliao Basin as the research object, the paper studies the sedimentary microfacies through large-scale core observation and fine description based on core lithology, bedding structures, fossils, inclusions and electrical characteristics. It is concluded that lacustrine facies deposits are mainly developed in the cores of SYY1 and SYY2 wells, which can be divided into two sedimentary subfacies of shallow lake and semi-deep-deep lake, with five sedimentary microfacies including beach-bar sands in shallow lake, ostracoda beach, argillaceous shallow lake, semi-deep-deep lake mud and oil shale. The lower part of 1st Member of Qingshankou Formation is dominated by semi-deep-deep lake subfacies; while the upper part of 1st Member and lower part of 2nd-3rd members of Qingshankou Formation and upper part of 4th Member of Quantou Formation, by shallow lake subfacies. The latter three microfacies are all favorable to form shale oil.
王成善.《松辽盆地及外围油气资源地质调查专辑》序[J].地质与资源,2021,30(3):219-219. Wang C S. Special Issue on Geological Survey for Oil and Resources in Songliao Basin and its Periphery Areas:Preface[J]. Geology and Resources, 2021,30(3):219-219.
[2]
王琦.松辽盆地古龙凹陷青山口组泥页岩油资源评价[D].大庆:东北石油大学, 2014:4-5. Wang Q. The shale oil resource assessment of Gulong Sag Qingshankou Group in Songliao Basin[D]. Daqing:Northeast Petroleum University, 2014:4-5.
[3]
徐兴友,刘卫彬,白静,等.松辽盆地南部青山口组一段页岩油富集地质特征及资源潜力[J].地质与资源,2021,30(3):296-305. Xu X Y, Liu W B, Bai J, et al. Enrichment characteristics and resource potential of shale oil in the First Member of Qingshankou Formation in southern Songliao Basin[J]. Geology and Resources, 2021,30(3):296-305.
[4]
周志,阎玉萍,任收麦,等.松辽盆地页岩油勘探前景与对策建议[J].中国矿业, 2017, 26(3):171-174. Zhou Z, Yan Y P, Ren S M, et al. Prospects and strategy for shale oil exploration in Songliao Basin, China[J]. China Mining Magazine, 2017, 26(3):171-174.
[5]
王雪.松辽盆地齐家凹陷与大庆长垣扶杨油层油源[J].石油勘探与开发, 2006, 33(3):294-298. Wang X. Oil sources of Fuyang oil formation in Qijia sag and Daqing placanticline, Songliao Basin[J]. Petroleum Exploration and Development, 2006, 33(3):294-298.
[6]
申家年,丛永山,毛立全,等.松辽盆地古龙凹陷葡萄花油层超压成因[J].地质科学, 2009, 44(2):502-512. Shen J N, Cong Y S, Mao L Q, et al. Mechanism of Putaohua oil layer's overpressure in the Gulong Sag, Songliao Basin[J]. Chinese Journal of Geology, 2009, 44(2):502-512.
[7]
李士超,张金友,公繁浩,等.松辽盆地北部上白垩统青山口组泥岩特征及页岩油有利区优选[J].地质通报, 2017, 36(4):654-663. Li S C, Zhang J Y, Gong F H, et al. The characteristics of mudstones of Upper Cretaceous Qingshankou Formation and favorable area optimization of shale oil in the north of Songliao Basin[J]. Geological Bulletin of China, 2017, 36(4):654-663.
[8]
高瑞祺,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, 1997:12-46. Gao R Q, Cai X Y. Distribution and formation of oil and gas fields in Songliao Basin[M]. Beijing:Petroleum Industry Press, 1997:12-46.(in Chinese)
[9]
赵陟君.松辽盆地构造演化[J].内蒙古石油化工, 2015(1):139-141. Zhao Z J. Tectonic evolution in Songliao Basin[J]. Inner Mongolia Petrochemical Industry, 2015(1):139-141.(in Chinese)
[10]
辛仁臣,张翼,张春卉,等.松辽盆地中部含油组合高精度层序地层格架分析[J].地层学杂志, 2008, 32(4):389-396. Xin R C, Zhang Y, Zhang C H, et al. High-resolution sequence stratigraphic framework for the middle oil-bearing beds in the Songliao Basin[J]. Journal of Stratigraphy, 2008, 32(4):389-396.
[11]
薛海涛,田善思,卢双舫,等.页岩油资源定量评价中关键参数的选取与校正——以松辽盆地北部青山口组为例[J].矿物岩石地球化学通报, 2015, 34(1):70-78. Xue H T, Tian S S, Lu S F, et al. Selection and verification of key parameters in the quantitative evaluation of shale oil:A case study at the Qingshankou Formation, Northern Songliao Basin[J]. Bulletin of Mineralogy, Petrology and Geochemistry, 2015, 34(1):70-78.
[12]
张文正,杨华,杨奕华,等.鄂尔多斯盆地长7优质烃源岩的岩石学、元素地球化学特征及发育环境[J].地球化学, 2008, 37(1):59-64. Zhang W Z, Yang H, Yang Y H, et al. Petrology and element geochemistry and development environment of Yanchang Formation Chang-7 high quality source rocks in Ordos Basin[J]. Geochimica, 2008, 37(1):59-64.
[13]
王玉满,董大忠,李建忠,等.川南下志留统龙马溪组页岩气储层特征[J].石油学报, 2012, 33(4):551-561. Wang Y M, Dong D Z, Li J Z, et al. Reservoir characteristics of shale gas in Longmaxi Formation of the Lower Silurian, southern Sichuan[J]. Acta Petrolei Sinica, 2012, 33(4):551-561.
[14]
王阳,陈洁,胡琳,等.沉积环境对页岩气储层的控制作用——以中下扬子区下寒武统筇竹寺组为例[J].煤炭学报, 2013, 38(5):845-850. Wang Y, Chen J, Hu L, et al. Sedimentary environment control on shale gas reservoir:A case study of Lower Cambrian Qiongzhusi Formation in the Middle Lower Yangtze area[J]. Journal of China Coal Society, 2013, 38(5):845-850.
[15]
杨振恒,李志明,王果寿,等.北美典型页岩气藏岩石学特征、沉积环境和沉积模式及启示[J].地质科技情报, 2010, 29(6):59-65. Yang Z H, Li Z M, Wang G S, et al. Enlightenment from petrology character, depositional environment and depositional model of typical shale gas reservoirs in North America[J]. Geological Science and Technology Information, 2010, 29(6):59-65.
[16]
王波,周飞,石正灏,等.柴北缘冷湖构造带古近系沉积体系及演化特征[J].地质与资源, 2019, 28(6):543-552. Wang B, Zhou F, Shi Z H, et al. The Paleogene sedimentary system and evolution characteristics of Lenghu structural belt in northern Qaidam Basin[J]. Geology and Resources, 2019, 28(6):543-552.
[17]
符勇,黄礼,白玉彬,等.靖边油田L区块长6油层组沉积特征[J].地质与资源, 2019, 28(1):49-56. Fu Y, Huang L, Bai Y B, et al. Sedimentary characteristics of C-6 reservoir in L block of Jingbian oilfield[J]. Geology and Resources, 2019, 28(1):49-56.
[18]
张志垚,张昌民,侯国伟,等.东海盆地某凹陷P井区平湖组沉积微相及沉积模式[J].地质与资源, 2020, 29(2):142-151, 160. Zhang Z Y, Zhang C M, Hou G W, et al. Microfacies distribution and sedimentary model of Pinghu Formation in P well area, East China Sea Basin[J]. Geology and Resources, 2020, 29(2):142-151, 160.
[19]
张强,郭发军,谢俊,等.饶阳凹陷大王庄地区古近系东营组三段沉积微相研究[J].地质与资源, 2020, 29(3):252-259. Zhang Q, Guo F J, Xie J, et al. Sedimentary microfacies of Ed3 in Dawangzhuang area of Raoyang sag[J]. Geology and Resources, 2020, 29(3):252-259.
[20]
方德庆,张艳芯.松辽盆地北部青山口组介形类化石保存与沉积环境[J].大庆石油学院学报, 1995, 19(4):42-46. Fang Q D, Zhang Y X. Ostracoda fossil preservation and depositional environment in Qingshankou Formatuon in north Songliao Basin[J]. Journal of Daqing Petroleum Institute, 1995, 19(4):42-46.
[21]
杨平,孙镇城,李东明,等.柴达木盆地中、新生代介形类爆发与绝灭事件[J].古地理学报, 2000, 2(3):69-74. Yang P, Sun Z C, Li D M, et al. Ostracoda extinction and explosion events of the Mesozoic-Cenozoic in Qaidam Basin, Northwest China[J]. Journal of Palaeogeography, 2000, 2(3):69-74.
[22]
潘树新,梁苏娟,史永苏,等.松辽盆地上白垩统青山口组介形虫群集性死亡事件成因[J].古地理学报, 2010, 12(4):409-414. Pan S X, Liang S J, Shi Y S, et al. Origin of ostracod extinction event of the Upper Cretaceous Qingshankou Formation in Songliao Basin[J]. Journal of Palaeogeography, 2010, 12(4):409-414.
[23]
付丽,梁江平,白雪峰,等.松辽盆地北部中浅层石油地质条件、资源潜力及勘探方向[J].海相油气地质, 2019, 24(2):23-32. Fu L, Liang J P, Bai X F, et al. The geological conditions, resource potential, and exploration direction of oil of middle-shallow layers in the northern Songliao Basin[J]. Marine Origin Petroleum Geology, 2019, 24(2):23-32.
2022, Vol. 31 
辽公网安备 21010502000112号