Abstract:
:As a consequence of offshore drilling, used Water Based Drilling Muds (WBMs) are typically disposed off, by discharging into the sea; such a disposal does not fully eliminate the environmental hazards. Hence, in this study, 2, 3, 4 and 5 ringed polycyclic aromatic hydrocarbons (PAHs i.e. naphthalene, fluorene, phenanthrene, fluoranthene, chrysene and benzo (a) pyrene) were determined from the WBMs and associated drill cuttings obtained from varying depths(viz. 150, 300 and 600 m) from three offshore wells present in East coast of India. In both WBMs and drill cuttings, concentration of naphthalene was maximum i.e. 81.59 ± 2.73 and 39.87 ± 2.40 mg/kg respectively, while benzo (a) pyrene was minimum i.e. 0.19 ± 0.07 and 0.12 ± 0.03 mg/kg respectively. The WBMs contained significantly (p < 0.05) higher PAH concentration than drill cuttings. The individual PAH concentration significantly (p < 0.01) increased with increasing depth in each well.
journal_name
Bull Environ Contam Toxicoljournal_title
Bulletin of environmental contamination and toxicologyauthors
Jagwani D,Kulkarni A,Shukla P,Ramteke DS,Juneja HDdoi
10.1007/s00128-011-0340-xsubject
Has Abstractpub_date
2011-11-01 00:00:00pages
550-5issue
5eissn
0007-4861issn
1432-0800journal_volume
87pub_type
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