英语翻译
英语翻译
Biomarker ananlyses of the Aspen Shale(Mowry shale equivalent),Skully’s Gap,Wyoming,suggest that vital source rock properties (e.g.,kerogen hydrogen-to-carbon [H/C] ratio,Rock-Eval Hydrogen Index (HI),and maceral composition) may be indirectly,yet quantitatively,predicted from the biomarker parameters measured in oils.A strong correlation exists between the “Homohopane Index” of Aspen source rock extracts and both the H/C ratio and HI of the associated kerogen (R2=0.93 and 0.83,respectively).The percentages of C30 and C28 4-desmethyl steranes,relative to total extracted 4-desmethyl steranes,correlate with the precentage of marine-derived amorphous type Ⅱ organic matter in the kerogen (R2=0.80 and 0.73,respectively),and with kerogen H/C ratio and HI (R2=0.89 and 0.88,respectively,for C30 steranes; R2=0.89 and 0.83,respectively,for C28 steranes).The ratio of 4α-methyl-24-ethylcholestanes to 3β-methyl-24-ethylcholestanes in the extracts also correlates with kerogen H/C ratio and HI (R2=0.93 and 0.92,respectively).In contrast,the precentage of C29 steranes in the extracts correlates with the precentage of higher-plant-derived vitrinite in the kerogen (R2=0.69),and shows a negative correlation with H/C ratio and HI (R2=0.81 and 0.66,respectively).These relationships were used to determine indirectly the source rock kerogen properties of several Mowry-derived oils.The correlations between biomarkers and source rock properties observed in the Aspen Shale probably apply to many deltaic and nearshore marine source rocks that were deposited after the evolution of vascular plants.Therefore ,prediction of source rock properties from oils in vertically drained basins could prove extremely useful to explorationists seeking to identify the most oil-prone areas in regions such as the U.S.Gulf Coast,the North sea,the Beaufort Sea,and the Mahakam and Niger deltas.An example from the Beaufort Sea is given in this same issue(Mccaffrey et al.,1994).
Biomarker ananlyses of the Aspen Shale(Mowry shale equivalent),Skully’s Gap,Wyoming,suggest that vital source rock properties (e.g.,kerogen hydrogen-to-carbon [H/C] ratio,Rock-Eval Hydrogen Index (HI),and maceral composition) may be indirectly,yet quantitatively,predicted from the biomarker parameters measured in oils.A strong correlation exists between the “Homohopane Index” of Aspen source rock extracts and both the H/C ratio and HI of the associated kerogen (R2=0.93 and 0.83,respectively).The percentages of C30 and C28 4-desmethyl steranes,relative to total extracted 4-desmethyl steranes,correlate with the precentage of marine-derived amorphous type Ⅱ organic matter in the kerogen (R2=0.80 and 0.73,respectively),and with kerogen H/C ratio and HI (R2=0.89 and 0.88,respectively,for C30 steranes; R2=0.89 and 0.83,respectively,for C28 steranes).The ratio of 4α-methyl-24-ethylcholestanes to 3β-methyl-24-ethylcholestanes in the extracts also correlates with kerogen H/C ratio and HI (R2=0.93 and 0.92,respectively).In contrast,the precentage of C29 steranes in the extracts correlates with the precentage of higher-plant-derived vitrinite in the kerogen (R2=0.69),and shows a negative correlation with H/C ratio and HI (R2=0.81 and 0.66,respectively).These relationships were used to determine indirectly the source rock kerogen properties of several Mowry-derived oils.The correlations between biomarkers and source rock properties observed in the Aspen Shale probably apply to many deltaic and nearshore marine source rocks that were deposited after the evolution of vascular plants.Therefore ,prediction of source rock properties from oils in vertically drained basins could prove extremely useful to explorationists seeking to identify the most oil-prone areas in regions such as the U.S.Gulf Coast,the North sea,the Beaufort Sea,and the Mahakam and Niger deltas.An example from the Beaufort Sea is given in this same issue(Mccaffrey et al.,1994).
英语人气:708 ℃时间:2020-04-13 07:06:27
优质解答
生物标志物ananlyses的阿斯页岩( mowry页岩当量) ,skully的差距,怀俄明,建议重要的烃源岩的性质(例如,干酪根氢-碳内[ H /炭]的比例,岩eval氢指数(喜) ,和显微组分组成) ,可间接,但定量预测,从生物标志物参数的...
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