Characterization of the microbial community structure and the physicochemical properties of produced water and seawater from the Hibernia oil production platform

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DOIResolve DOI: http://doi.org/10.1007/s11356-015-4947-z
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TypeArticle
Journal titleEnvironmental Science and Pollution Research
ISSN0944-1344
Volume22
Pages1769717715; # of pages: 18
SubjectProduced water; Petroleumwaste byproduct; Microbial communities; DGGE; q-PCR; Thermoanaerobacter
AbstractHibernia is Canada’s largest offshore oil platform. Produced water is the major waste byproduct discharged into the ocean. In order to evaluate different potential disposal methods, a comprehensive study was performed to determine the impact from the discharge. Microorganisms are typically the first organisms to respond to changes in their environment. The objectives were to characterize the microbial communities and the chemical composition in the produced water and to characterize changes in the seawater bacterial community around the platform. The results from chemical, physicochemical, and microbial analyses revealed that the discharge did not have a detectable effect on the surrounding seawater. The seawater bacterial community was relatively stable, spatially. Unique microorganisms like Thermoanaerobacter were found in the produced water. Thermoanaerobacter-specific q-PCR and nested-PCR primers were designed, and both methods demonstrated that Thermoanaerobacter was present in seawater up to 1000 m from the platform. These methods could be used to track the dispersion of produced water into the surrounding ocean.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Energy, Mining and Environment (EME-EME)
Peer reviewedYes
NPARC number21276919
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Record identifierce6d30cc-9999-4331-bc56-d974096b77a9
Record created2015-11-10
Record modified2016-05-09
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