Nanostructural Investigations on Potential Gas Shales of the Dniepr-Donets Basin(Ukraine)

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Nanostructural Investigations on Potential Gas Shales of the Dniepr-Donets Basin(Ukraine). / Misch, David; Klaver, Jop; Groß, Doris et al.
2016. Abstract von 78th EAGE Conference & Exhibition 2016, Vienna, Österreich.

Publikationen: KonferenzbeitragAbstract/Zusammenfassung(peer-reviewed)

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Misch D, Klaver J, Groß D, Schmatz J, Sachsenhofer R, Mendez Martin F. Nanostructural Investigations on Potential Gas Shales of the Dniepr-Donets Basin(Ukraine). 2016. Abstract von 78th EAGE Conference & Exhibition 2016, Vienna, Österreich. doi: 10.3997/2214-4609.201601367

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Misch, David ; Klaver, Jop ; Groß, Doris et al. / Nanostructural Investigations on Potential Gas Shales of the Dniepr-Donets Basin(Ukraine). Abstract von 78th EAGE Conference & Exhibition 2016, Vienna, Österreich.

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@conference{7ea057b3b7b4431eb36fbb86fb36cbb3,
title = "Nanostructural Investigations on Potential Gas Shales of the Dniepr-Donets Basin(Ukraine)",
abstract = "Data from x-ray diffraction analyses (XRD) was combined with conventional, broad ion beam (BIB), and focused ion beam (FIB) scanning electron microscopy (SEM) to evaluate Upper Visean “Rudov Beds” (V-23), one of the main source rocks in the Ukrainian Dniepr-Donets Basin (DDB; e.g. Sachsenhofer et al., 2010; Misch et al., 2015), as a target for unconventional production. XRD data and SEM imaging suggests strongly variable mineralogy and, therefore, mechanical properties of Rudov Beds in both lateral and vertical extent. OM-hosted nanopores, important for hydrocarbon storage and release, are restricted to secondary (pyro)bitumen. Their frequency strongly increases at a vitrinite reflectance >2.0 %Rr. Furthermore, nanoscale authigenic clay and calcite particles within pyrobitumen start to grow at gas window maturity. Sub-micrometer- to nanopores have been detected in bituminous pore fillings already at 0.65 to 0.9 %Rr, in samples that are classified as oil-prone from Py-GC and biomarker studies. In contrast, primary and secondary OM within samples from marginal positions dominated by terrestrial macerals did not host nanopores up to 1.35 %Rr. Therefore, minor generation of nanopores within bitumen, due to hydrocarbon generation, might already start at oil window maturity, but the main stage of development occurs between 1.35 %Rr and 2.0 %Rr.",
author = "David Misch and Jop Klaver and Doris Gro{\ss} and Joyce Schmatz and Reinhard Sachsenhofer and {Mendez Martin}, Francisca",
year = "2016",
month = jun,
doi = "10.3997/2214-4609.201601367",
language = "English",
note = "78th EAGE Conference & Exhibition 2016 ; Conference date: 30-05-2016 Through 03-06-2016",

}

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TY - CONF

T1 - Nanostructural Investigations on Potential Gas Shales of the Dniepr-Donets Basin(Ukraine)

AU - Misch, David

AU - Klaver, Jop

AU - Groß, Doris

AU - Schmatz, Joyce

AU - Sachsenhofer, Reinhard

AU - Mendez Martin, Francisca

PY - 2016/6

Y1 - 2016/6

N2 - Data from x-ray diffraction analyses (XRD) was combined with conventional, broad ion beam (BIB), and focused ion beam (FIB) scanning electron microscopy (SEM) to evaluate Upper Visean “Rudov Beds” (V-23), one of the main source rocks in the Ukrainian Dniepr-Donets Basin (DDB; e.g. Sachsenhofer et al., 2010; Misch et al., 2015), as a target for unconventional production. XRD data and SEM imaging suggests strongly variable mineralogy and, therefore, mechanical properties of Rudov Beds in both lateral and vertical extent. OM-hosted nanopores, important for hydrocarbon storage and release, are restricted to secondary (pyro)bitumen. Their frequency strongly increases at a vitrinite reflectance >2.0 %Rr. Furthermore, nanoscale authigenic clay and calcite particles within pyrobitumen start to grow at gas window maturity. Sub-micrometer- to nanopores have been detected in bituminous pore fillings already at 0.65 to 0.9 %Rr, in samples that are classified as oil-prone from Py-GC and biomarker studies. In contrast, primary and secondary OM within samples from marginal positions dominated by terrestrial macerals did not host nanopores up to 1.35 %Rr. Therefore, minor generation of nanopores within bitumen, due to hydrocarbon generation, might already start at oil window maturity, but the main stage of development occurs between 1.35 %Rr and 2.0 %Rr.

AB - Data from x-ray diffraction analyses (XRD) was combined with conventional, broad ion beam (BIB), and focused ion beam (FIB) scanning electron microscopy (SEM) to evaluate Upper Visean “Rudov Beds” (V-23), one of the main source rocks in the Ukrainian Dniepr-Donets Basin (DDB; e.g. Sachsenhofer et al., 2010; Misch et al., 2015), as a target for unconventional production. XRD data and SEM imaging suggests strongly variable mineralogy and, therefore, mechanical properties of Rudov Beds in both lateral and vertical extent. OM-hosted nanopores, important for hydrocarbon storage and release, are restricted to secondary (pyro)bitumen. Their frequency strongly increases at a vitrinite reflectance >2.0 %Rr. Furthermore, nanoscale authigenic clay and calcite particles within pyrobitumen start to grow at gas window maturity. Sub-micrometer- to nanopores have been detected in bituminous pore fillings already at 0.65 to 0.9 %Rr, in samples that are classified as oil-prone from Py-GC and biomarker studies. In contrast, primary and secondary OM within samples from marginal positions dominated by terrestrial macerals did not host nanopores up to 1.35 %Rr. Therefore, minor generation of nanopores within bitumen, due to hydrocarbon generation, might already start at oil window maturity, but the main stage of development occurs between 1.35 %Rr and 2.0 %Rr.

U2 - 10.3997/2214-4609.201601367

DO - 10.3997/2214-4609.201601367

M3 - Abstract

T2 - 78th EAGE Conference & Exhibition 2016

Y2 - 30 May 2016 through 3 June 2016

ER -