江西修武盆地下寒武统黑色页岩矿物成分特征及意义
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摘要
以江西修武盆地下寒武统王音铺组、观音堂组黑色页岩为研究对象,通过对野外剖面样品和钻井取心样品定性和定量分析,研究修武盆地下寒武统页岩气储层矿物成分特征,结果表明,王音铺组、观音堂组黑色页岩矿物成分以黏土矿物和石英为主,石英的平均质量分数为58.63%,黏土矿物平均为25.4%。其次为方解石,平均为51.46%,另外还含有较高的长石和黄铁矿,平均质量分数分别为2.5%和4.68%。其余矿物如方解石、白云石、(硬)石膏等含量较少,平均质量分数<5%。这种矿物成分组成与Barnett页岩及龙马溪组页岩既有相似性,又有差异性。修武盆地下寒武统页岩矿物组分所反映的沉积环境、有机质演化及黑色页岩储集意义表明,该套页岩石英的质量分数>50%的泥(页)岩厚度接近50m,是理想的页岩气勘探开发层位。
Based on the qualitative and quantitative analyses of the shale samples from the field outcrops and well cores,this paper studies the characteristics and significance of mineral compositions in the Lower Cambrian black shale gas reservoir from the Xiuwu basin,Jiangxi,China.The results show that the major components of the Lower Cambrian Wangyinpu Formation and Guanyintang Formation black shale are clay minerals and quartz,with an average content of 25.4% and 58.63%,respectively,and the minor components are feldspar and pyrite,with an average content of 2.5%and4.68%,respectively.In addition,the average content of the other minerals such as calcite,dolomite,gypsum,and so on is less than 5%.The mineral components characteristics of the Lower Cambrian black shale from Xiuwu basin are both similar and difference from the Barnett shale and the Longmaxi Formation shale.Furthermore,the paper discusses the sedimentary environments,the organic material evolution and the shale reservoirs according to the characteristics of the mineral components in the Lower Cambrian shale from the Xiuwu basin.The result shows that the mud shale thickness of this set of shale with quartz component>50%is almost 50 mwhich is an ideal horizon for exploration and exploitation.
Based on the qualitative and quantitative analyses of the shale samples from the field outcrops and well cores,this paper studies the characteristics and significance of mineral compositions in the Lower Cambrian black shale gas reservoir from the Xiuwu basin,Jiangxi,China.The results show that the major components of the Lower Cambrian Wangyinpu Formation and Guanyintang Formation black shale are clay minerals and quartz,with an average content of 25.4% and 58.63%,respectively,and the minor components are feldspar and pyrite,with an average content of 2.5%and4.68%,respectively.In addition,the average content of the other minerals such as calcite,dolomite,gypsum,and so on is less than 5%.The mineral components characteristics of the Lower Cambrian black shale from Xiuwu basin are both similar and difference from the Barnett shale and the Longmaxi Formation shale.Furthermore,the paper discusses the sedimentary environments,the organic material evolution and the shale reservoirs according to the characteristics of the mineral components in the Lower Cambrian shale from the Xiuwu basin.The result shows that the mud shale thickness of this set of shale with quartz component>50%is almost 50 mwhich is an ideal horizon for exploration and exploitation.
引文
[1]黄文明,刘树根,马文辛,等.川东南—鄂西渝东地区下古生界页岩气勘探前景[J].地质通报,2011,30(2/3):364-371.Huang W M,Liu S G,Ma W X,et al.Shale gas exploration prospect of Lower Paleozoic in southeastern Sichuan and western Hubei-eastern Chongqing areas,China[J].Geological Bulletin of China,2011,30(2/3):364-371.(In Chinese)
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[7]Byers C W.Biofacies patterns in euxinic basins:A general model[C]//Deep-Water Carbonate Environments SEPM Special Publication,1977,25:203-219.
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[9]Arbenz J K.The Ouachita system[C]//The Geology of North America:An Overview Geological Society of America,1989,A:371-396.
[10]Montgomery S L,Jarvie D M,Bowker K A,et al.Mississippian Barnett shale,Fort Worth Basin,northcentral Texas:Gas-shale play with multitrillion cubic foot potential[J].AAPG Bulletin,2005,89(2):155-175.
[11]Louck R G,Ruppel S T.Ruppel Mississippian Barnett shale:Lithofacies and depositional setting of a deep-water shale-gas succession in the Fort Worth Basin,Texas[J].AAPG Bulletin,2007,91(4):579-601.
[12]曾祥亮,刘树根,黄文明,等.四川盆地志留系龙马溪组页岩与美国Fort Worth盆地石炭系Barnett组页岩地质特征对比[J].地质通报,2011,30(2/3):372-384.Zeng X L,Liu S G,Huang W M,et al.Comparison of Silurian Longmaxi Formation shale of Sichuan Basin in China and Carboniferous Barnett Formation shale of Fort Worth Basin in United States[J].Geological Bulletin of China,2011,30(2/3):372-384.(In Chinese)
[13]刘树根,王世玉,孙玮,等.四川盆地及其周缘五峰组-龙马溪组黑色页岩特征[J].成都理工大学学报:自然科学版,2013,40(6):621-639.Liu S G,Wang S Y,Sun W,et al.Characteristics of black shale in Wufeng Formation and Longmaxi Formation in Sichuan Basin and its peripheral area[J].Journal of Chengdu University of Technology(Science&Technology Edition),2013,40(6):621-639.(In Chinese)
[14]王世谦,陈更生,董大忠,等.四川盆地下古生界页岩气藏形成条件与勘探前景[J].天然气工业,2009,29(5):51-58.Wang S Q,Chen G S,Dong D Z,et al.Accumulation conditions and exploitation prospect of shale gas in the Lower Paleozoic Sichuan Basin[J].Natural Gas Industry,2009,29(5):51-58.(In Chinese)
[15]王社教,王兰生,黄金亮,等.上扬子区志留系页岩气成藏条件[J].天然气工业,2009,29(5):45-50.Wang S J,Wang L S,Huang J L,et al.Accumulation conditions of shale gas reservoirs in Silurian of the Upper Yangtze region[J].Natural Gas Industry,2009,29(5):45-50.(In Chinese)
[16]陈波,皮定成.中上扬子地区志留系龙马溪组页岩气资源潜力评价[J].中国石油勘探,2009,3:15-19.Chen B,Pi D C.Silurian Longmaxi shale gas potential analysis in middle&upper Yangtze region[J].China Petroleum Exploration,2009,3:15-19.(In Chinese)
[17]Hickey J J,Henk B.Lithofacies summary of the Mississippian Barnett Shale,Mitchell 2T.P.Sims well,Wise County,Texas[J].AAPG Bulletin,2007,91(4):437-443.
[18]赵杏媛,张有瑜,宋健.中国含油气盆地黏土矿物的某些矿物学特征[J].现代地质,1994,8(3):264-272.Zhao X Y,Zhang Y Y,Song J.Some mineralogical characteristics of clay minerals in China oil-bearing basin[J].Geoscience,1994,8(3):264-272.(In Chinese)
[19]黄籍中.四川盆地页岩气与煤层气勘探前景分析[J].岩性油气藏,2009,21(2):116-120.Huang J Z.Exploration prospect of shale gas and coal-bed methane in Sichuan Basin[J].Lithologic Reservoirs,2009,21(2):116-120.(In Chinese)
[20]蒲泊伶,蒋有录,王毅,等.四川盆地下志留统龙马溪组页岩气成藏条件及有利地区分析[J].石油学报,2010,31(2):225-230.Pu B L,Jiang Y L,Wang Y,et al.Reservoirforming conditions and favorable exploration zones of shale gas in Lower Silurian Longmaxi Formation of Sichuan Basin[J].Acta Petrolei Sinica,2010,31(2):225-230.(In Chinese)
[21]程晓玲.黏土矿物转化与储层孔隙演化的规律性研究:以苏北盆地台兴油田阜三段储层为例[J].大庆石油地质与开发,2006,25(1):43-45.Cheng X L.Laws of clay mineral transformation and reservoir porosity evolution:A case study of FuⅢMember of Taixing oil field in Subei basin[J].Petroleum Geology&Oilfield Development in Daqing,2006,25(1):43-45.(In Chinese)
[22]陈尚斌,朱炎铭,王红岩,等.四川盆地南缘下志留统龙马溪组页岩气储层矿物成分特征及意义[J].石油学报,2011,32(5):775-782.Chen S B,Zhu Y M,Wang H Y,et al.Characteristics and significance of minerals compositions of Lower Silurian Longmaxi Formation shale reservoir in the southern margin of Sichuan Basin[J].Acta Petrolei Sinica,2011,32(5):775-782.(In Chinese)
[23]朱平,黄思静,李德敏,等.黏土矿物绿泥石对碎屑储集岩孔隙的保护[J].成都理工大学学报:自然科学版,2004,31(2):153-156.Zhu P,Huang S J,Li D M,et al.Effect and protection of chlorite on clastic reservoir rocks[J].Journal of Chengdu University of Technology(Science&Technology Edition),2004,31(2):153-156.(In Chinese)
[24]Bowker K A.Recent developments of the Barnett Shale play,Fort Worth Basin[J].West Texas Geological Society Bulletin,2003,42(6):4-11.
[25]Jarvie D M,Hill R J,Ruble T E,et al.Unconventional shale-gas systems:The Mississippian Barnett Shale of north-central Texas as one model for the rmogenic shale-gas assessment[J].AAPG Bulletin,2007,91(4):475-499.
[2]Bowker K A.Barnett shale gas production,Fort Worth Basin:Issues and discussion[J].AAPG Bulletin,2007,91(4):523-533.
[3]张林晔,李政,朱日房.页岩气的形成与开发[J].天然气工业,2009,29(1):124-128.Zhang L Y,Li Z,Zhu R F.The formation and exploitation of shale gas[J].Natural Gas Industry,2009,29(1):124-128.(In Chinese)
[4]Ross D J K,Bustin R M.The importance of shale composition and pore structure upon gas storage potential of shale gas reservoirs[J].Marine and Petroleum Geology,2009,26(6):916-927.
[5]冯增昭,彭勇民,金振奎,等.中国南方寒武纪岩相古地理[J].古地理学报,2001,3(1):1-14.Feng Z Z,Peng Y M,Jin Z K,et al.Lithofacies palaeogeography of the Cambrian in South China[J].Journal of Palaeogeography,2001,3(1):1-14.(In Chinese)
[6]Ross C A,Ross J R P.Late Paleozoic sea levels and depositional sequences[C]//Timing and Deposition of Eustatic Sequences:Constraints on Seismic Stratigraphy Cushman Foundation for Foraminiferal Research Special Publication,1987,24:137-149.
[7]Byers C W.Biofacies patterns in euxinic basins:A general model[C]//Deep-Water Carbonate Environments SEPM Special Publication,1977,25:203-219.
[8]Thompson D M.Fort Worth Basin[C]//The Geology of North America Geological Society of America,1988,D-2:346-35.
[9]Arbenz J K.The Ouachita system[C]//The Geology of North America:An Overview Geological Society of America,1989,A:371-396.
[10]Montgomery S L,Jarvie D M,Bowker K A,et al.Mississippian Barnett shale,Fort Worth Basin,northcentral Texas:Gas-shale play with multitrillion cubic foot potential[J].AAPG Bulletin,2005,89(2):155-175.
[11]Louck R G,Ruppel S T.Ruppel Mississippian Barnett shale:Lithofacies and depositional setting of a deep-water shale-gas succession in the Fort Worth Basin,Texas[J].AAPG Bulletin,2007,91(4):579-601.
[12]曾祥亮,刘树根,黄文明,等.四川盆地志留系龙马溪组页岩与美国Fort Worth盆地石炭系Barnett组页岩地质特征对比[J].地质通报,2011,30(2/3):372-384.Zeng X L,Liu S G,Huang W M,et al.Comparison of Silurian Longmaxi Formation shale of Sichuan Basin in China and Carboniferous Barnett Formation shale of Fort Worth Basin in United States[J].Geological Bulletin of China,2011,30(2/3):372-384.(In Chinese)
[13]刘树根,王世玉,孙玮,等.四川盆地及其周缘五峰组-龙马溪组黑色页岩特征[J].成都理工大学学报:自然科学版,2013,40(6):621-639.Liu S G,Wang S Y,Sun W,et al.Characteristics of black shale in Wufeng Formation and Longmaxi Formation in Sichuan Basin and its peripheral area[J].Journal of Chengdu University of Technology(Science&Technology Edition),2013,40(6):621-639.(In Chinese)
[14]王世谦,陈更生,董大忠,等.四川盆地下古生界页岩气藏形成条件与勘探前景[J].天然气工业,2009,29(5):51-58.Wang S Q,Chen G S,Dong D Z,et al.Accumulation conditions and exploitation prospect of shale gas in the Lower Paleozoic Sichuan Basin[J].Natural Gas Industry,2009,29(5):51-58.(In Chinese)
[15]王社教,王兰生,黄金亮,等.上扬子区志留系页岩气成藏条件[J].天然气工业,2009,29(5):45-50.Wang S J,Wang L S,Huang J L,et al.Accumulation conditions of shale gas reservoirs in Silurian of the Upper Yangtze region[J].Natural Gas Industry,2009,29(5):45-50.(In Chinese)
[16]陈波,皮定成.中上扬子地区志留系龙马溪组页岩气资源潜力评价[J].中国石油勘探,2009,3:15-19.Chen B,Pi D C.Silurian Longmaxi shale gas potential analysis in middle&upper Yangtze region[J].China Petroleum Exploration,2009,3:15-19.(In Chinese)
[17]Hickey J J,Henk B.Lithofacies summary of the Mississippian Barnett Shale,Mitchell 2T.P.Sims well,Wise County,Texas[J].AAPG Bulletin,2007,91(4):437-443.
[18]赵杏媛,张有瑜,宋健.中国含油气盆地黏土矿物的某些矿物学特征[J].现代地质,1994,8(3):264-272.Zhao X Y,Zhang Y Y,Song J.Some mineralogical characteristics of clay minerals in China oil-bearing basin[J].Geoscience,1994,8(3):264-272.(In Chinese)
[19]黄籍中.四川盆地页岩气与煤层气勘探前景分析[J].岩性油气藏,2009,21(2):116-120.Huang J Z.Exploration prospect of shale gas and coal-bed methane in Sichuan Basin[J].Lithologic Reservoirs,2009,21(2):116-120.(In Chinese)
[20]蒲泊伶,蒋有录,王毅,等.四川盆地下志留统龙马溪组页岩气成藏条件及有利地区分析[J].石油学报,2010,31(2):225-230.Pu B L,Jiang Y L,Wang Y,et al.Reservoirforming conditions and favorable exploration zones of shale gas in Lower Silurian Longmaxi Formation of Sichuan Basin[J].Acta Petrolei Sinica,2010,31(2):225-230.(In Chinese)
[21]程晓玲.黏土矿物转化与储层孔隙演化的规律性研究:以苏北盆地台兴油田阜三段储层为例[J].大庆石油地质与开发,2006,25(1):43-45.Cheng X L.Laws of clay mineral transformation and reservoir porosity evolution:A case study of FuⅢMember of Taixing oil field in Subei basin[J].Petroleum Geology&Oilfield Development in Daqing,2006,25(1):43-45.(In Chinese)
[22]陈尚斌,朱炎铭,王红岩,等.四川盆地南缘下志留统龙马溪组页岩气储层矿物成分特征及意义[J].石油学报,2011,32(5):775-782.Chen S B,Zhu Y M,Wang H Y,et al.Characteristics and significance of minerals compositions of Lower Silurian Longmaxi Formation shale reservoir in the southern margin of Sichuan Basin[J].Acta Petrolei Sinica,2011,32(5):775-782.(In Chinese)
[23]朱平,黄思静,李德敏,等.黏土矿物绿泥石对碎屑储集岩孔隙的保护[J].成都理工大学学报:自然科学版,2004,31(2):153-156.Zhu P,Huang S J,Li D M,et al.Effect and protection of chlorite on clastic reservoir rocks[J].Journal of Chengdu University of Technology(Science&Technology Edition),2004,31(2):153-156.(In Chinese)
[24]Bowker K A.Recent developments of the Barnett Shale play,Fort Worth Basin[J].West Texas Geological Society Bulletin,2003,42(6):4-11.
[25]Jarvie D M,Hill R J,Ruble T E,et al.Unconventional shale-gas systems:The Mississippian Barnett Shale of north-central Texas as one model for the rmogenic shale-gas assessment[J].AAPG Bulletin,2007,91(4):475-499.