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

Yeung, Celine; Lee, Kenneth; Cobanli, Susan E.; King, Tom; Bugden, J.B.C.; Whyte, Lyle G.; Greer, Charles W.

doi:10.1007/s11356-015-4947-z

Cited by 15 publications

(6 citation statements)

References 79 publications

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“…This has been observed in other sediment heating experiments (Hubert et al ., ; de Rezende et al ., ) and in experiments with seawater, where thermophilic Desulfotomaculum were detected in the water column only following incubation at a suitable growth temperature (de Rezende et al ., ). Sediment heating experiments that promote endospore germination may, therefore, reveal a greater impact area of produced water discharge in the marine environment than was observed by Yeung et al ., (), and could contribute to future studies assessing changes in the microbial community as an indicator of pollution.…”

Section: Discussionmentioning

confidence: 99%

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Distribution of thermophilic endospores in a temperate estuary indicate that dispersal history structures sediment microbial communities

Bell

Blake

Sherry

et al. 2018

Environmental Microbiology

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Endospores of thermophilic bacteria are found in cold and temperate sediments where they persist in a dormant state. As inactive endospores that cannot grow at the low ambient temperatures, they are akin to tracer particles in cold sediments, unaffected by factors normally governing microbial biogeography (e.g., selection, drift, mutation). This makes thermophilic endospores ideal model organisms for studying microbial biogeography since their spatial distribution can be directly related to their dispersal history. To assess dispersal histories of estuarine bacteria, thermophilic endospores were enriched from sediments along a freshwater-to-marine transect of the River Tyne in high temperature incubations (50°C). Dispersal histories for 75 different taxa indicated that the majority of estuarine endospores were of terrestrial origin; most closely related to bacteria from warm habitats associated with industrial activity. A subset of the taxa detected were marine derived, with close relatives from hot deep marine biosphere habitats. These patterns are consistent with the sources of sediment in the River Tyne being predominantly terrestrial in origin. The results point to microbial communities in estuarine and marine sediments being structured by bi-directional currents, terrestrial run-off and industrial effluent as vectors of passive dispersal and immigration.

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Section: Discussionmentioning

confidence: 99%

“…In a later study of the same platform, an anaerobic thermophilic endospore-former (Thermoanaerobacter sp.) found in the produced water was targeted as a signature microorganism to monitor dispersion from the discharge site (Yeung et al, 2015). Thermoanaerobacter sp.…”

Section: Thermophilic Endospores As Microbial Indicators Of Pollutionmentioning

confidence: 99%

Distribution of thermophilic endospores in a temperate estuary indicate that dispersal history structures sediment microbial communities

Bell

Blake

Sherry

et al. 2018

Environmental Microbiology

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“…Of the thermophiles detected in this study, Thermoanaerobacter spp. are fermentative bacteria, which have been frequently found in produced water samples from high temperature oil fields ( Orphan et al, 2000 ; Pavlova-Kostryukova et al, 2014 ; Yeung et al, 2015 ). Other detected thermophiles were the fermentative bacterial taxon Thermosipho ( Haridon et al, 2001 ; Dahle et al, 2008 ), the archaeal taxon Thermococcus , which is also a sulfur reducer ( Zhang Y. et al, 2012 ; Liang et al, 2014 ; Lin et al, 2014 ; Gorlas et al, 2015 ) and the methanogen Methanothermococcus .…”

Section: Discussionmentioning

confidence: 99%

Effect of Thermophilic Nitrate Reduction on Sulfide Production in High Temperature Oil Reservoir Samples

Okpala¹,

Chen²,

Fida³

et al. 2017

Front. Microbiol.

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Oil fields can experience souring, the reduction of sulfate to sulfide by sulfate-reducing microorganisms. At the Terra Nova oil field near Canada’s east coast, with a reservoir temperature of 95°C, souring was indicated by increased hydrogen sulfide in produced waters (PW). Microbial community analysis by 16S rRNA gene sequencing showed the hyperthermophilic sulfate-reducing archaeon Archaeoglobus in Terra Nova PWs. Growth enrichments in sulfate-containing media at 55–70°C with lactate or volatile fatty acids yielded the thermophilic sulfate-reducing bacterium (SRB) Desulfotomaculum. Enrichments at 30–45°C in nitrate-containing media indicated the presence of mesophilic nitrate-reducing bacteria (NRB), which reduce nitrate without accumulation of nitrite, likely to N2. Thermophilic NRB (tNRB) of the genera Marinobacter and Geobacillus were detected and isolated at 30–50°C and 40–65°C, respectively, and only reduced nitrate to nitrite. Added nitrite strongly inhibited the isolated thermophilic SRB (tSRB) and tNRB and SRB could not be maintained in co-culture. Inhibition of tSRB by nitrate in batch and continuous cultures required inoculation with tNRB. The results suggest that nitrate injected into Terra Nova is reduced to N2 at temperatures up to 45°C but to nitrite only in zones from 45 to 65°C. Since the hotter zones of the reservoir (65–80°C) are inhabited by thermophilic and hyperthermophilic sulfate reducers, souring at these temperatures might be prevented by nitrite production if nitrate-reducing zones of the system could be maintained at 45–65°C.

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“…According to Neff et al [1], there are approximately 1.1 m3 of waste generated for every m3 of oil produced globally, making this the largest waste stream linked with the production process (Arctic Monitoring and Assessment Programme (AMAP), 2010). Before being released into the ocean as trash or reinjected into a sub-sea formation for disposal, produced water is often treated to eliminate the dispersed crude oil content (i.e., droplets of crude oil, typically ranging in size from 1 to 10 um) [6,7].…”

Section: Introductionmentioning

confidence: 99%

Microbiological Evaluation of Various Oilfield Wastewaters from Oben Land Rig Location in Edo State, Nigeria

Omokaro

Ntongha

2023

JAMB

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Oilfield wastewater contains poisonous and dangerous compounds that harm microorganisms and the quality of the water. According to estimates, Nigerian oil industry operations generate significant amounts of wastewater that are improperly treated before being released into the environment. For a period of two months, biweekly analyses of the microbiological effects of various oilfield wastes on the microbial population and variety of aquatic environments were conducted. Water samples collected 10 cm from pit 1, pit 2, pit 3, camp pit 1, and camp pit 2 were analyzed for total heterotrophic bacterial count, hydrocarbon utilizing bacterial count, total fungal count, and hydrocarbon utilizing fungal count, and for microflora using standard microbiological methods. Total heterotrophic bacteria (THB) counts ranged from 4.0×104 Log10cfu/ml to 4.4×104 Log10cfu/ml, total fungal (TF) count ranged from 2.0×104 Log10cfu/ml to 2.2×104 Log10cfu/ml. The total hydrocarbon utilizing bacterial (THUB) count ranged from 3.0 ×104 Log10cfu/ml to 3.1 ×104 Log10cfu/ml, while the total hydrocarbon utilizing fungal (THUF) count ranged from 1.0×104 Log10cfu/ml to 1.1×104 Log10cfu/ml. Statistical analysis showed that there was no significant difference in the THB between the pits and the sampling stations. The types of bacteria isolated in the study included Kurthia spp, Bacillus spp, Pediococcus spp, Enterococcus spp, Aeromonas spp, Micrococcus spp, Pseudomonas spp, Escherichia coli, Alcaligenes spp and Lactobacillus spp. The fungi isolated included Aspergillus fumigatus, Penicillium brevicompactum, Rhizopus oryzae and Fusarium spp. The study's bacterial and fungal counts showed how oilfield effluent affected aquatic microorganisms. According to the significant frequency of hydrocarbon-using bacteria, the water under investigation contained active native hydrocarbon utilizers that might be used in the bioremediation process.

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

Cited by 15 publications

References 79 publications

Distribution of thermophilic endospores in a temperate estuary indicate that dispersal history structures sediment microbial communities

Distribution of thermophilic endospores in a temperate estuary indicate that dispersal history structures sediment microbial communities

Effect of Thermophilic Nitrate Reduction on Sulfide Production in High Temperature Oil Reservoir Samples

Microbiological Evaluation of Various Oilfield Wastewaters from Oben Land Rig Location in Edo State, Nigeria

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