Evaluation of Ranikot Sandstone Formation, Punjab Platform Basin Pakistan
Authors
-
Department of Geology, University of Malaya. Kuala Lumpur, 50603
Syed Bilawal Ali Shah -
Department of Earth and Environmental Sciences, Bahria University Islamabad, 44000
Adeeb Ahmed
DOI:
https://doi.org/10.1007/s12594-020-1449-5Keywords:
No Keywords.Abstract
The Ranikot sandstone Formation was investigated using TOC and Rock-Eval pyrolysis measurements. Ranikot Formation encountered in Bijnot well, Fort Abbas has been evaluated, which lies in Bahawalpur, middle Indus basin, particularly in Punjab platform. Analysis has been performed on sandstones, twenty well cutting samples of Ranikot Formation has been evaluated. Formation is predominantly sandstone with interbeds of shale. The analysed samples contains TOC ranging from 0.76-3.1 wt.%, The S2 values of Rock-Eval shows poor potential with values ranging from 0.46-1.05 mg HC/g rock. The samples have low hydrogen index values ranging from 21-113 mg HC/g TOC. Kerogen is predominantly Type III land derived organic matter. The analysed samples have Tmax ranging from 413-509 °C. The upper part of formation from 490-560 m depth generally exhibits good to very good TOC content and is in the transition between immature and mature zone (Tmax 430-431 °C). The genetic potential in the entire rock unit is poor <2.0 mg HC/g rock. On the basis of analysis performed the studied samples have shown that the formation has poor potential.
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