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Abstract
Ionizing radiation intensity data and estimation of equivalent absorbed dose from solid and liquid samples from prospection of shale gas and oil at selected sites in Pomerania are presented. Naturally occurring radioactive materials (NORM) are associated with geological formations or fluids and can be enhanced during oil and gas production. They appear in e.g. drilling cuttings, flow back water, produced water, scale and sludge. In this study only gamma rays were detected and their intensity was comparable to the background radiation which is 20,0±4,6 [min-1]. The highest value: 27,3 [min-1] was detected in solid residue from evaporated flow back fluid after hydraulic fracturing. The equivalent absorbed dose from this sample was ~ 2 Sv/a what is lower than the global average dose from the background radiation 2,4 Sv/a. In this regard, workers and others in the vicinity of drilling well sites will not be exposed to external or internal ionizing radiation.
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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POLISH JOURNAL OF ENVIRONMENTAL STUDIES
no. 23,
pages 2137 - 2142,
ISSN: 1230-1485 - Language:
- English
- Publication year:
- 2014
- Bibliographic description:
- Mykowska A., Hupka J.: Natural radioactivity of solid and liquid phases from shale oil and gas prospection in Pomerania// POLISH JOURNAL OF ENVIRONMENTAL STUDIES. -Vol. 23, nr. 6 (2014), s.2137-2142
- Verified by:
- Gdańsk University of Technology
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