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Oil and Gas Shales

Authors
/persons/resource/horsf

Horsfield,  B.
3.2 Organic Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/schulzhm

Schulz,  H.-M.
3.2 Organic Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/sbernard

Bernard,  Sylvain
3.2 Organic Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/nick

Mahlstedt,  Nicolaj
3.2 Organic Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/yuanjia

Han,  Y.
3.2 Organic Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/skuske

Kuske,  Sascha
3.2 Organic Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Horsfield, B., Schulz, H.-M., Bernard, S., Mahlstedt, N., Han, Y., Kuske, S. (2018): Oil and Gas Shales. - In: Wilkes, H. (Ed.), Hydrocarbons, Oils and Lipids: Diversity, Origin, Chemistry and Fate, (Handbook of Hydrocarbon and Lipid Microbiology), Cham : Springer, 1-34.
https://doi.org/10.1007/978-3-319-54529-5_18-1


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_3563889
Abstract
Organic matter dispersed in shales and mudstones is 10,000 times more abundant than that occurring in concentrated forms such as oil, gas, coal, and gas hydrates. So-called shale plays, distributed across all continents, are fairways where shale gas and shale oil might be extracted economically from targeted volumes of what is an extremely large potential resource. Almost all shale gas and oil reservoirs currently being exploited were formerly buried to great depth during which time gas generation took place, and then geologically uplifted to depths where extraction is feasible commercially. Productive shale reservoirs are brittle rather than elastic and therefore suitable for hydraulic fracturing to be employed effectively for releasing the dispersed gas. In this chapter we provide an overview of the chemical, physical, and biological processes involved in the formation of shale gas and shale oil and outline how organic geochemistry can be applied to the exploration and production of these resources.