Regional Facies and Geochemical Evaluation of the Southern Denison Trough, Queensland

Jackson, K. S.; Hawkins, P. J.; Bennett, Alexandra

doi:10.1071/aj79013

Cited by 56 publications

(46 citation statements)

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“…5), which reflects type III/II kerogen, so it may be good source for generating mainly gas with minor amount of oil. This result is confirmed using Jackson et al (1985) plot (Fig. 6).…”

Section: Kerogen Typesupporting

confidence: 76%

Evaluation of the shale beds within Alam El Bueib Formation as an unconventional reservoir, Western Desert, Egypt

Temraz

Mousa

Lotfy

2017

J Petrol Explor Prod Technol

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Within Alam El Bueib Formation (AEB), thin sandstone beds of approximately 15.24 m (*50 ft) total thickness, are considered to be the main conventional hydrocarbon-producing zone in the Western Desert. However, the shale intervals within the AEB can be an unconventional reservoir target. In this study, we focus on evaluating these shale units through geochemical analysis, to determine the total carbon, total sulfur, total organic carbon (TOC), and Rock-Eval pyrolysis. TOC is an essential property needed to determine the productive shale gas play. Total organic carbon combined with other geochemical data is important in evaluating the potential of shale gas reservoirs as it is related to the amount of kerogen, the produced hydrocarbon content. The TOC in the studied samples indicates poor to very good organic continent, while the hydrocarbon potentiality (S1 and S2) indicates poor source potential. The hydrogen index reflected kerogen type III/II. These data indicate that AEB Formation may be considered as a good source for generating hydrocarbons (mainly gas with minor amount of oil). The maturation evaluated by using ''Tmax'' indicates immature to marginally mature source rock, and production index ''PI'' represents oil and gas production in case of maturation.

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“…5), which reflects type III/II kerogen, so it may be good source for generating mainly gas with minor amount of oil. This result is confirmed using Jackson et al (1985) plot (Fig. 6).…”

Section: Kerogen Typesupporting

confidence: 76%

Evaluation of the shale beds within Alam El Bueib Formation as an unconventional reservoir, Western Desert, Egypt

Temraz

Mousa

Lotfy

2017

J Petrol Explor Prod Technol

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“…Rocks from boreholes situated in the eastern part of the syneclise and farthest from the TTZ, such as the Goldap IG-1 and Kętrzyn IG-1, show much lower values of T max (419-432°C) even for the Cambrian sam- Espitalié et al, 1985). Jackson et al, 1985; modified to show samples with TOC < 1. 0%) ples.…”

Section: Rock Eval Analysismentioning

confidence: 99%

Geochemical characteristics of organic matter in the Lower Palaeozoic rocks of the Peribaltic Syneclise (Poland)

Skręt

Fabiańska

2009

Geochem. J.

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Organic matter occurring in Lower Palaeozoic rocks of variable lithology was investigated for its origin, depositional environment and thermal maturity. Samples from nine boreholes located in the Polish part of the Peribaltic Syneclise were collected for performing Rock-Eval Analysis, palynological investigation for Thermal Alteration Index (TAI), solvent extraction, preparative layer chromatography (PLC) and gas chromatography-mass spectrometry (GC-MS) of aliphatic and aromatic compound fractions. It was found that kerogen belongs to either type I or commonly, to type II. It derives from variable, planktonic and planktonic-bacterial primary organic matter deposited in dysoxic environments in the eastern part of the Syneclise and in anoxic/suboxic conditions in the western and central parts. Organic matter is in the thermal evolution stage from late diagenesis to advanced metagenesis. Correlation of biomarker parameters, TAI and Rock-Eval results show that the thermal maturity of organic matter falls into three regional groups, increasing from the north-east to the south-west along the crystalline basement of the Eastern European Platform. The organic matter contained in Ordovician and Cambrian sediments of the western part of the Syneclise is overmature, reaching metagenesis. This is most probably related to the activity of the Teisseyre-Tornquist Zone, where the Baltica and Eastern Avalonia paleocontinents collided during the Late Ordovician. It is also reflected in the profiles by elevated values of aromatic hydrocarbon and sulphur compound parameters, which show the highest levels of thermal maturity for organic matter present in the sediments of the Ordovician and Lower Silurian. Local influence of igneous intrusions on organic matter is also visible in changes in thermal maturity values at the direct contact with diabase dykes.

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“…11. Hydrogen Index vs. Total Organic Carbon diagram of Hafik coal samples (modified from Jackson et al, 1985).…”

Section: Steroids Hopanoidsmentioning

confidence: 99%

Relationships between coal-quality and organic-geochemical parameters: A case study of the Hafik coal deposits (Sivas Basin, Turkey)

Erik

Sancar

2010

International Journal of Coal Geology

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Regional Facies and Geochemical Evaluation of the Southern Denison Trough, Queensland

Cited by 56 publications

References 0 publications

Evaluation of the shale beds within Alam El Bueib Formation as an unconventional reservoir, Western Desert, Egypt

Evaluation of the shale beds within Alam El Bueib Formation as an unconventional reservoir, Western Desert, Egypt

Geochemical characteristics of organic matter in the Lower Palaeozoic rocks of the Peribaltic Syneclise (Poland)

Relationships between coal-quality and organic-geochemical parameters: A case study of the Hafik coal deposits (Sivas Basin, Turkey)

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