کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8126837 | 1522819 | 2014 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Petroleum geochemistry of Lower Indus Basin, Pakistan: I. Geochemical interpretation and origin of crude oils
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
زمین شناسی اقتصادی
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چکیده انگلیسی
The study focused on the petroleum geochemistry of crude oils produced from Cretaceous reservoirs. Geochemical portrayal of crude oils has been carried out by means of diagnostic biomarker parameters like relative distribution of steranes (C27-C28-C29 ααα-20R steranes), C19 and C23 tricyclic terpanes (TT), C24 tetracyclic terpanes (TeT) and hopanes. These parameters suggest that the crude oils contain terrigenous organic matter (OM) mixed with small input of marine OM. The OM of the source rocks was deposited in oxic depositional environment. Maturity parameters, C32 22S/(22S+22R) homohopanes and sterane isomerization ratios [20S/(20S+20R), αββ/(αββ+ααα) for C29 steranes] indicate that these crude oil are produced from the source rocks at early mature stage to mature stage.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Petroleum Science and Engineering - Volume 122, October 2014, Pages 173-179
Journal: Journal of Petroleum Science and Engineering - Volume 122, October 2014, Pages 173-179
نویسندگان
Arif Nazir, Tahira Fazeelat,