Advanced Search
Volume 38 Issue 4
. 
Turn off MathJax
Article Contents
Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2016  >  38(4): 514-520
Zhao Jianhua, Jin Zhijun, Jin Zhenkui, Du Wei, Wen Xin, Geng Yikai. Petrographic methods to distinguish organic matter type in shale[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2016, 38(4): 514-520. doi: 10.11781/sysydz201604514
Citation: Zhao Jianhua, Jin Zhijun, Jin Zhenkui, Du Wei, Wen Xin, Geng Yikai. Petrographic methods to distinguish organic matter type in shale[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2016, 38(4): 514-520. doi: 10.11781/sysydz201604514
shu

Petrographic methods to distinguish organic matter type in shale

doi: 10.11781/sysydz201604514
  • 1.

    College of Geosciences, China University of Petroleum, Beijing 102249, China

  • 2. State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Effective Development, Beijing 100083, China

  • 3. SINOPEC Petroleum Exploration & Production Research Institute, Beijing 100083, China

  • Received Date: 2015-11-03
  • Rev Recd Date: 2016-05-12
  • Publish Date: 2016-07-28
    Abstract
  • Pores within organic matter are widely recognized as a significant component of pore systems in gas shale. These pores form not only in kerogen, but also in solid bitumen, with different morphology and development degree. The source of organic matter can be divided into depositional and migrated organic matter. Depositional organic matter is deposited in direct contact with detrital mineral grains and comprises depositional kerogen and its alteration products. Migrated organic matter occurs in mineral pores initiatially as bitumen or oil that filled the cement-lined pores and cement would separate bitumen or oil from mineral grains and may evolve into solid bitumen and pyrobitumen during maturation. Authigenic quartz has a dual role in influencing shale porosity. On one hand, it reduces shale porosity by filling pore space,while on the other hand,it supports pore preservation by inhibiting shale compaction and preserving pore space for migrated organic matter. There are pores both in depositional organic matter and migrated organic matter. Migrated organic matter is present in three-dimensional connected mineral pores, which produces a pore network with higher reservoir quality than a pore network associated with only depositional organic matter. Migrated organic matter decreases from bottom to top in the Wufeng-Longamxi formations, the connected pore network decreases accordingly, and reservoir quality becomes poorer.

     

    • FullText(HTML)
  • loading
    • References(36)
  • [1]
    Loucks R G,Reed R M,Ruppel S C,et al.Morphology,genesis,and distribution of nanometer scale pores in siliceous mudstones of the Mississippian Barnett shale[J].Journal of Sedimentary Research,2009,79(12):848-861.
    [2]
    Milliken K L,Esch W L,Reed R M,et al.Grain assemblages and strong diagenetic overprinting in siliceous mudrocks,Barnett shale (Mississippian),Fort Worth Basin,Texas[J].AAPG Bulletin,2012,96(8):1553-1578.
    [3]
    Curtis M E,Ambrose R J,Sondergeld C H,et al.Transmission and scanning electron microscopy investigation of pore connectivity of gas shales on the nanoscale//Society of Petroleum Engineers North American Unconventional Gas Conference and Exhibition.The Woodlands,Texas:SPE,2011:14-16.
    [4]
    Slatt R M,O'Brien N R.Pore types in the Barnett and Woodford gas shales:Contribution to understanding gas storage and migration pathways in fine-grained rocks[J].AAPG Bulletin,2011,95(12):2017-2030.
    [5]
    Ambrose R J,Hartman R C,Diaz-Campos M,et al.New pore-scale considerations for shale gas in place calculations//Society of Petroleum Engineers Unconventional Gas Conference.Pittsburgh,Pennyslvania:SPE,2010:23-25.
    [6]
    Curtis M E,Sondergeld C H,Ambrose R J,et al.Microstructural investigation of gas shales in two and three dimensions using nanometer-scale resolution imaging[J].AAPG Bulletin,2012,96(4):665-677.
    [7]
    Loucks R G,Reed R M,Ruppel S C,et al.Preliminary classification of matrix pores in mudrocks[J].GCAGS Transactions, 2010, 60:435-441.
    [8]
    Nelson P H.Pore-throat sizes in sandstones,tight sandstones,andshales[J].AAPG Bulletin 2009,93(3):329-340.
    [9]
    Loucks R G,Reed R M,Ruppel S C,et al.Spectrum of pore types and networks in mudrocks and a descriptive classification for matrix-related mudrock pores[J].AAPG Bulletin,2012,96(6):1071-1098.
    [10]
    Bernard B,Wirth R,Schreiber A,et al.Formation of nanoporous pyrobitumen residues during maturation of the Barnett shale (Fort Worth Basin)[J].International Journal of Coal Geology,2012,103:3-11.
    [11]
    Loucks R G,Reed R M.Scanning-electron-microscope petrographic evidence for distinguishing organic-matter pores associated with depositional organic matter versus migrated organic matter in mudrocks[J].GCAGS Transactions,2014,64:713.
    [12]
    Hunt J M.Petroleum geochemistry and geology[M].2nd ed.NewYork:W.H.Freeman and Company,1995:743.
    [13]
    Abraham H.Asphalts and allied substances[M].6th ed.NewYork:VanNostrand Company,Inc.,1960.
    [14]
    Jacob H.Nomenclature,classification,characterization,and genesis of natural solid bitumen (migrabitumen)[M]//Parnell J,Kucha H,Landais P.Bitumens in ore deposits.Berlin Heidelberg:Springer-Verlag,1993:11-27.
    [15]
    Curiale J A.Origin of solid bitumens,with emphasis on biological marker results[J].Organic Geochemistry,1986,10(1/3):559-580.
    [16]
    Landis C R,Castaño J R.Maturation and bulk chemical properties of a suite of solid hydrocarbons[J].Organic Geochemistry,1995,22(1):137-149.
    [17]
    Taylor G H,Teichmüller M,Davis A,et al.Organic petrology[M].Berlin,Stuttgart:Gebrüder Borntraeger,1998:704.
    [18]
    Tissot B P,Welte D H.Petroleum formation and occurrence[M].2nd ed.Berlin Heidelberg:Springer Verlag,1984:699.
    [19]
    Bernard S,Horsfield B,Schulz H M,et al.Geochemical evolution of organic-rich shales with increasing maturity:ASTXM and TEM study of the Posidonia shale (Lower Toarcian,northern Germany)[J].Marine and Petroleum Geology,2012,31(1):70-89.
    [20]
    Lewan M D.Effects of thermal maturation on stable organic carbon isotopes as determined by hydrous pyrolysis of Woodford shale[J].Geochimica et Cosmochimica Acta,1983,47(8):1471-1479.
    [21]
    Mastalerz M,Schimmelmann A,Drobniak A,et al.Porosity of Devonian and Mississippian New Albany shale across a maturation gradient:Insights from organic petrology,gas adsorption,and mercury intrusion[J].AAPG Bulletin,2013,97(10):1621-1643.
    [22]
    Milliken K L,Rudnicki M,Awwiller D N,et al.Organic matter-hosted pore system,Marcellus Formation (Devonian),Pennsylvania[J].AAPG Bulletin,2013,97(2):177-200.
    [23]
    Schieber J.SEM observations on ion-milled samples of Devonian Black shales from Indiana and New York:Thepetrographic context of multiple pore types//Camp W K,Diaz E,Wawak B.Electron microscopy of shale hydrocarbon reservoirs.:American Association of Petroleum Geologists,2013:153-171.
    [24]
    刘树根,马文辛,Luba J,等.四川盆地东部地区下志留统龙马溪组页岩储层特征[J].岩石学报,2011,27(8):2239-2252. Liu Shugen,Ma Wenxin,Luba J,et al.Characteristics of the shale gas reservoir rocks in the Lower Silurian Longmaxi Formation,East Sichuan Basin,China[J].Acta Petrologica Sinica,2011,27(8):2239-2252.
    [25]
    郭旭升,李宇平,刘若冰,等.四川盆地焦石坝地区龙马溪组页岩微观孔隙结构特征及其控制因素[J].天然气工业,2014,34(6):9-16. Guo Xusheng,Li Yuping,Liu Ruobing,et al.Characteristics and controlling factors of micro-pore structures of Longmaxi shale play in the Jiaoshiba area,Sichuan Basin[J].Natural Gas Industry,2014,34(6):9-16.
    [26]
    郭彤楼,张汉荣.四川盆地焦石坝页岩气田形成与富集高产模式[J].石油勘探与开发,2014,41(1):28-36. Guo Tonglou,Zhang Hanrong.Formation and enrichment mode of Jiaoshiba shale gas field,Sichuan Basin[J].Petroleum Exploration and Development,2014,41(1):28-36.
    [27]
    刘若冰.超压对川东南地区五峰组—龙马溪组页岩储层的影响分析[J].沉积学报,2015,33(4):817-827. Liu Ruobing.Analyses of influences on shale reservoirs of Wufeng-Longmaxi Formation by overpressure in the south-eastern part of Sichuan Basin[J].Acta Sedimentologica Sinica,2015,33(4):817-827.
    [28]
    Thyberg B,Jahren J,Winje T,et al.Quartz cementation in Late Cretaceous mudstones,northern North Sea:Changes in rock properties due to dissolution of smectite and precipitation of micro-quartz crystals[J].Marine and Petroleum Geology,2010,27(8):1752-1764.
    [29]
    Müller A.Cathodoluminescence and characterization of defect structures in quartz with applications to the study of granitic rocks.Göttingen:Georg-August-Universität Göttingen,2000:1-22.
    [30]
    Götze J,Plötze M,Habermann D.Origin,spectral characteristics and practical applications of the cathodoluminescence (CL) of quartz:A review[J].Mineralogy and Petrology,2001,71(3/4):225-250.
    [31]
    Wilkin R T,Barnes H L,Brantley S L.The size distribution of framboidal pyrite in modern sediments:An indicator of redox conditions[J].Geochimica et Cosmochimica Acta,1996,60(20):3897-3912.
    [32]
    Hawkins S,Rimmer S M.Pyriteframboid size and size distribution in marine black shales:A case study from the Devonian-Mississippian of central Kentucky//North-Central Section (36th) and Southeastern Section (51st),Geological Society of America Joint Annual Meeting.Lexington,Kentucky:Geological Society of America,2002.
    [33]
    Bond S,Wignall P B,Racki G.Extent and duration of marine anoxia during the Frasnian-Famennian (Late Devonian) mass extinction in Poland,Germany,Austria and France[J].Geolo-gical Magazine,2004,141(2):173-193.
    [34]
    Goldhaber M B,Kaplan I R.The sulfur cycle//Goldberg E D,ed.The sea.New York:John Wiley & Son,1974:569-655.
    [35]
    Raiswell R.Pyritetexture,isotopic composition and the availability of iron[J].American Journal of Science,1982,282(8):1244-1263.
    [36]
    Rickard D.Kinetics of pyrite formation by the H2S oxidation of iron (Ⅱ) monosulfide in aqueous solutions between 25 and 125 ℃:The rate equation[J].Geochimica et Cosmochimica Acta,1997,61(1):115-134.
    • Relative Articles
    • Supplements(0)
    • Cited By
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索
    Citation
    XML
    PDF-CN

    Article Metrics

    Article views (1391) PDF downloads(1076) Cited by()
    Proportional views
    Related

    Website Copyright © Wuxi Research Institute of Petroleum Geology, SINOPEC 苏ICP备15009037号 苏公网安备32021102000780号

    Address：No. 2060, Lihu Avenue, Wuxi, Jiangsu   (214126) Tel：0510-68787204，68787203 Fax：0510-68787113 Email：sysydz.syky@sinopec.com

    Supported by: Beijing Renhe Information Technology Co. Ltd    

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return