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asphalt

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Journal Article
Journal: AAPG Bulletin
Published: 15 January 2021
AAPG Bulletin (2021) 105 (1): 109–134.
... Os ratios in specific oils adjacent to major basin-bounding faults in the North Sea are thought to reflect Os overprint of oil by interaction with mantle fluids ( Finlay et al., 2010 ). Sequential ASPH precipitation can also change the isotopic composition of the resulting de-asphalted oil, as shown...
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Journal Article
Published: 01 August 2020
Russ. Geol. Geophys. (2020) 61 (8): 891–905.
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Journal Article
Published: 27 July 2020
Mineralogical Magazine (2020) 84 (5): 753–765.
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Journal Article
Journal: AAPG Bulletin
Published: 15 June 2020
AAPG Bulletin (2020) 104 (6): 1323–1356.
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Journal Article
Journal: Interpretation
Published: 31 March 2020
Interpretation (2020) 8 (3): SL35–SL43.
... comes from Amott (1959) , Alveskog et al. (1998) , and Tiab and Donaldson (2012) . Through comparison of the total organic carbon (TOC) and chloroform asphalt “A” of shale, sandstone, and carbonate and through observation of core pictures, Zhao et al. (2016) report that although the reservoirs...
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Journal Article
Journal: AAPG Bulletin
Published: 15 February 2020
AAPG Bulletin (2020) 104 (2): 329–355.
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Journal Article
Journal: The Leading Edge
Published: 01 January 2020
The Leading Edge (2020) 39 (1): 22–28.
... in the experiments are shown in Table 1 , with calculated uncertainties in porosity measurements less than ±1% and uncertainties in permeability measurements of about 5%. The asphalt content of the oil used in the experiment was 1.32 wt%, and the minimum miscibility pressure of the CO 2 -oil system was 16.8 MPa...
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Journal Article
Journal: AAPG Bulletin
Published: 15 November 2019
AAPG Bulletin (2019) 103 (11): 2545–2571.
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Journal Article
Journal: AAPG Bulletin
Published: 15 September 2019
AAPG Bulletin (2019) 103 (9): 2031–2043.
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Journal Article
Journal: AAPG Bulletin
Published: 15 September 2019
AAPG Bulletin (2019) 103 (9): 2139–2175.
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Journal Article
Journal: AAPG Bulletin
Published: 15 September 2019
AAPG Bulletin (2019) 103 (9): 2247–2284.
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Journal Article
Journal: AAPG Bulletin
Published: 15 July 2019
AAPG Bulletin (2019) 103 (7): 1703–1743.
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Journal Article
Journal: AAPG Bulletin
Published: 15 April 2019
AAPG Bulletin (2019) 103 (4): 973–995.
... content, were provided by the Northwest Oilfield Branch of Sinopec ( Table 1 ). To obtain the bulk compositions, the samples were first de-asphalted using n-hexane and then fractionated using column chromatography (silica gel vs. alumina 3:1) into saturate, aromatic, and nitrogen-, sulfur-, and oxygen...
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Journal Article
Journal: AAPG Bulletin
Published: 15 March 2019
AAPG Bulletin (2019) 103 (3): 723–744.
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Journal Article
Journal: Interpretation
Published: 13 February 2019
Interpretation (2019) 7 (2): T293–T308.
... to form a thermally unstable product, which existed as free asphalts ( Liebezeit and Wiesner, 1990 ). Figure 12. The diagrams illustrate the composition variation of the pyrolysis oil and pyrolysis gas. The pyrolysis oil has the characteristic high resins and high asphaltenes. The major components...
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Journal Article
Journal: PALAIOS
Published: 09 October 2018
PALAIOS (2018) 33 (10): 451–463.
...MICHAEL J. VENDRASCO; ANTONIO G. CHECA; RICHARD L. SQUIRES; CARLOS M. PINA Abstract Nanoscale details of original aragonite crystals and organic inclusions are preserved in shells from the Pennsylvanian Buckhorn Asphalt of Oklahoma, USA. Exceptional preservation occurred because, either during...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 2018
AAPG Bulletin (2018) 102 (8): 1627–1657.
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Journal Article
Published: 01 June 2018
Bulletin of Canadian Petroleum Geology (2018) 66 (2): 499–515.
... undoubtedly reflect a complex interplay of many organic maturation mechanisms: however, petrographic observations in this study suggest important distinctions in how the different dissociated fractions of the original oil matured. The dissociated asphalt-rich fraction, which precipitated as globular...
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Journal Article
Journal: AAPG Bulletin
Published: 01 April 2018
AAPG Bulletin (2018) 102 (4): 653–669.
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP465.20
EISBN: 9781786203656
... – and the unstoppable rising of the Emilian Apennine ridge in the provinces of Pavia, Piacenza and Parma. From the early 1900s, foreign companies gradually reduced investment in new exploration in Maiella, where the core production was now bitumen and asphalts rather than oil and, by the 1920s, most of the industry...
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