2009
DOI: 10.1016/j.coal.2008.04.009
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Analysis of large thermal maturity datasets: Examples from the Canadian Arctic Islands

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Cited by 29 publications
(22 citation statements)
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“…Previous comparisons of Rock-Eval results with other thermal indicators have identified inaccuracies in some T max -based maturation interpretations, including incorrect evaluation of thermal rank in the case of hydrogen-rich organic matter (T max suppression; Snowdon, 1995;Dewing and Sanei, 2009) and erratic S2 and T max values in strata of low organic matter content (Dewing and Sanei, 2009). Samples with S2 > 0.35 mg HC/g rock provide the most reliable T max values (Dewing and Sanei, 2009).…”
Section: Rock-eval Datamentioning
confidence: 92%
See 1 more Smart Citation
“…Previous comparisons of Rock-Eval results with other thermal indicators have identified inaccuracies in some T max -based maturation interpretations, including incorrect evaluation of thermal rank in the case of hydrogen-rich organic matter (T max suppression; Snowdon, 1995;Dewing and Sanei, 2009) and erratic S2 and T max values in strata of low organic matter content (Dewing and Sanei, 2009). Samples with S2 > 0.35 mg HC/g rock provide the most reliable T max values (Dewing and Sanei, 2009).…”
Section: Rock-eval Datamentioning
confidence: 92%
“…Samples with S2 > 0.35 mg HC/g rock provide the most reliable T max values (Dewing and Sanei, 2009). The analyses presented here include data with S2 > 0.35 mg HC/g rock and T max above 410°C (770°F), with incremental corrections of 1°C (33.8°F) for every 50 mg HC/g TOC of HI values above 150 mg HC/g TOC (Snowdon, 1995).…”
Section: Rock-eval Datamentioning
confidence: 99%
“…5E), significantly decreasing the average value shown in Table 1. These abnormally low T max values could be caused by the presence of bitumens (Bordenave et al, 1993;Dewing and Sanei, 2009 and references therein). As shown in Fig.…”
Section: Petroleum Generation Potential and Thermal Maturitymentioning
confidence: 96%
“…The samples have OSI (oil saturation index) values ranging from 3.09 to 186.19 mg HC/ g TOC, with an average value of 69.80 mg HC/g TOC (Table 1). The T max value represents the temperature at which the S 2 peak is at its maximum, ranging from 427 to 460 C, with an average of 443 C. It should be noticed that the poor S 2 values will decrease the confidence of T max values, especially those samples with S 2 values <0.5 mg HC/g rock (Dewing and Sanei, 2009), meanwhile, T max values might be anomalous or suppressed due to the carry-over effect of S 1 onto S 2 (Bordenave et al, 1993;Dewing and Sanei, 2009;Wang et al, 2015; and references therein). In samples studied, SLB12, SLB14, and SLB16 show poor S 2 values, and samples of SLB6, SLB7, SLB9 and SLB19 present high ratios of S 1 and S 2 , indicating the lower confidence of T max values of those samples, however, most of them should be in the oil generation stage, deriving from their burial depths and OSI values.…”
Section: Organic Geochemistrymentioning
confidence: 98%