Abstract
To determine the effect of thermal maturity on the methane sorption in shale gas system, two different thermal maturity kerogens of type II isolated from Barnett shale of Fort Worth Basin were used to measure the methane adsorption amount under the pressure ranging from 0 to 14 MPa at constant temperatures. One kerogen was called Lee C-5-1 with 0.58% of vitrinite reflectance; the other was called Blakely#1 kerogen with 2.01% of vitrinite reflectance. The results suggested that the methane sorption capacity of kerogen Blakely#1 was higher than the immature kerogen Lee C-5-1, and its Langmuir constant and Langmuir maximum sorption amount, which were reached by fitting the measured data for at least square method, greater than the immature kerogen Lee C-5-1. This may be associated with that nanopores opened up during the degradation of organic matter, and which increased the specific surface area of kerogen. Therefore, the over mature kerogen has greater methane adsorption capacity.
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Bernard S., Horsfield B., Schulz H., Wirth R., Schreiber A., and Sherwood N. (2012) Geochemical evolution of organic-rich shales with increasing maturity: A STXM and TEM study of the Posidonia Shale (Lower Toarcian, northern Germany) [J]. Marine and Petroleum Geology. 31, 70–89.
Chalmers G., Bustin M., and Power I. (2012) Characterization of gas shale pore systems by porosimetry, pycnometry, surface area, and field mission scanning electron microscopy/transmission electron microscopy image analyses: Examples from the Barnett, Woodford, Haynesville, Marcellus, and Doig units [J]. AAPG Bulletin. 96, 1099–1119.
Chalmers G. and Bustin R. (2007) On the effects of petrographic composition on coalbed methane sorption [J]. International Journal of Coal Geology. 69, 288–304.
Curtis M.E., Ambrose R.J., Sondergeld C.H., Rai C.S. (2010) Structural characterization of gas shales on the micro- and nano-scales. In Canadian Unconventional Resources & International Petroleum Conference (Society of Petroleum Engineers) [C]. pp.1–15.
Hover V.C., Peacor D.R., and Walter L.M. (1996) Relationship Between Organic Matter and Authigenic Illite/Smectite in Devonian Black Shales, Michigan and Illinois Basins (eds. Crossey L.J., Loucks R.G., and Totten M.W.) [M]. pp.73–83. Siliciclastic Diagenesis and Fluid Flow: Concepts and Applications, SEPM, Special Publication. USA.
Jarvie D., Hill R., Ruble T., and Pollastro R. (2007) Unconventional Shale-gas Systems: The Mississippian Barnett Shale of North-Central Texas as One Model for Thermogenic Shale-Gas Assessment [M]. pp.475–499. AAPG Bulletin.
Krooss B.M., Bergen F., Gensterblum Y., Siemons N., Pagnier H., and David P. (2002) High pressure CH4 and carbon dioxide adsorption on dry and moisture equilibrated Pennsylvanian coals [J]. International Journal of Coal Geology. 51, 69–92.
Laxminarayana C. and Crosdale P. (2002) Controls on methane sorption capacity of Indian coals [J]. AAPG Bulletin. 86, 201–212.
Loucks R.G., Reed R.M., Ruppel S.C., and Jarvie D.M. (2009) Morphology, genesis and distribution of nanometer-scale pores in siliceous mudstones of the Mississippian Barnett Shale [J]. Journal of Sedimentary Research. 79, 848–861.
Modica C. and Lapierre S. (2012) Estimation of kerogen porosity in source rocks as a function of thermal transformation: Example from the Mowry Shale in the Powder River Basin of Wyoming [J]. AAPG Bulletin. 96, 87–108.
Reeves S., Gonzalez R., Gasem K., Fitzgerald J., Pan Z., Sudibandriyo M., and Robinson R.L. (2005) Measurement and Prediction of Single- and Multi-Component Methane, Carbon Dioxide and Nitrogen Isotherms for U.S. Coals [C]. pp.16–20.
Ross D. and Bustin R.M. (2009) The importance of shale composition and pore structure upon gas storage potential of shale gas reservoirs [J]. Marine and Petroleum Geology. 26, 916–927.
Ross D. and Bustin R.M. (2007) Shale gas potential of the Lower Jurassic Gordondale Member, northeastern British Columbia, Canada [J]. Bulletin of Canadian Petroleum Geology. 55, 51–75.
Ross D. and Bustin R.M. (2008) Characterizing the shale gas resource potential of Devonian-Mississippian strata in the western Canada sedimentary basin: Application of an integrated formation evaluation [J]. American Association of Petroleum Geologists Bulletin. 92, 87–125.
Ryan B.D. (1992) An Equation for Estimation of Maximum Coalbed-Methane Resource Potential [M]. pp. 393–396. BC Ministry of Energy, Mines and Petroleum Resources, Geological Field-work 1991.
Sondergeld C.H., Ambrose R.J., Rai C.S., and Moncrieff J. (2010) Micro-structural studies of gas shales [J]. Society of Petroleum Engineers. SPE 131771.
Weniger P., Franců J., Hemza P., and Krooss B. (2012) Investigations on the methane and carbon dioxide sorption capacity of coals from the SW Upper Silesian Coal Basin, Czech Republic [J]. International Journal of Coal Geology. 93, 23–39.
Xia X., Litvinov S., and Muhler M. (2006) A consistent approach to adsorption thermodynamics on heterogeneous surfaces using different empirical energy distribution model [J]. Langmuir. 22, 8063–8070.
Xia Xinyu and Tang Yongchun (2012) Isotope fractionation of methane during natural gas flow with coupled diffusion and adsorption/desorption [J]. Geochimica et Cosmochimica Acta. 77, 489–503.
Zhang T., Ellis G., Ruppel S., Milliken K., and Yang R. (2012) Effect of organic-matter type and thermal maturity on methane adsorption in shale-gas systems [J]. Organic Geochemistry. 47, 120–131.
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Hu, H. Methane adsorption comparison of different thermal maturity kerogens in shale gas system. Chin. J. Geochem. 33, 425–430 (2014). https://doi.org/10.1007/s11631-014-0708-9
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DOI: https://doi.org/10.1007/s11631-014-0708-9