Long-term souring treatment using nitrate and biocides in high-temperature oil reservoirs
[Display omitted] •Two high-temperature (80–84 °C) oil reservoirs were studied over three years.•Biocides and/or nitrate were used to control SRB in these oil reservoirs.•Nitrate plus THPS controlled H2S production for 34 months in oil reservoir 1.•Nitrate added after 19 months in oil reservoir 2 di...
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| Veröffentlicht in: | Fuel (Guildford) 2021-03, Vol.288, p.119731, Article 119731 |
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| creator | Jurelevicius, Diogo Ramos, Luana Abreu, Fernanda Lins, Ulysses de Sousa, Maíra P. dos Santos, Vanessa V.C.M. Penna, Mônica Seldin, Lucy |
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•Two high-temperature (80–84 °C) oil reservoirs were studied over three years.•Biocides and/or nitrate were used to control SRB in these oil reservoirs.•Nitrate plus THPS controlled H2S production for 34 months in oil reservoir 1.•Nitrate added after 19 months in oil reservoir 2 did not control H2S production.•Thermophilic bacteria and NRB were observed in oil reservoir 1.•Mesophilic SRB and NRB were found in oil reservoir 2.
The biogenic production of hydrogen sulfide (H2S) by sulfate-reducing bacteria (SRB) and consequently the souring of reservoirs are still major problems in oil industry. Biocides and/or nitrate are used to control SRB activity in oil reservoirs, but long-term studies are still needed to prove their efficacy. In this study, two high-temperature (80–84 °C) oil reservoirs were analyzed over three years. Nitrate and tetrakishydroxymethyl phosphonium sulfate (THPS) were added to the water injection system (WI) at the beginning of secondary oil recovery in oil reservoir 1, while nitrate was only added 19 months after the beginning of secondary oil recovery in oil reservoir 2. The H2S concentration was quantified monthly in production wells, and the total bacterial community (based on the gene coding for 16S rRNA) and SRB (based on dsrA and apsAB genes) were determined using fluorescence in situ hybridization (FISH) and PCR-DGGE analyses. Nitrate plus THPS controlled H2S production for 34 months in oil reservoir 1. THPS injection in oil reservoir 2 controlled H2S levels for 17 months, and the further addition of nitrate in water injection did not control H2S production. PCR-DGGE analyses and the molecular identification of the dominant groups showed a predominance of thermophilic bacteria, including different SRB (such as Desulfocaldus and Desulfonauticus) and nitrate-reducing bacteria (NRB – Marinobacter) in oil reservoir 1 and mesophilic SRB (Desulfovibrio) and NRB (Halomonas and Acinetobacter) in oil reservoir 2. The strategy chosen during secondary oil recovery modulated the microbial community and, consequently, changed the dynamics of H2S production. |
| doi_str_mv | 10.1016/j.fuel.2020.119731 |
| format | Article |
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•Two high-temperature (80–84 °C) oil reservoirs were studied over three years.•Biocides and/or nitrate were used to control SRB in these oil reservoirs.•Nitrate plus THPS controlled H2S production for 34 months in oil reservoir 1.•Nitrate added after 19 months in oil reservoir 2 did not control H2S production.•Thermophilic bacteria and NRB were observed in oil reservoir 1.•Mesophilic SRB and NRB were found in oil reservoir 2.
The biogenic production of hydrogen sulfide (H2S) by sulfate-reducing bacteria (SRB) and consequently the souring of reservoirs are still major problems in oil industry. Biocides and/or nitrate are used to control SRB activity in oil reservoirs, but long-term studies are still needed to prove their efficacy. In this study, two high-temperature (80–84 °C) oil reservoirs were analyzed over three years. Nitrate and tetrakishydroxymethyl phosphonium sulfate (THPS) were added to the water injection system (WI) at the beginning of secondary oil recovery in oil reservoir 1, while nitrate was only added 19 months after the beginning of secondary oil recovery in oil reservoir 2. The H2S concentration was quantified monthly in production wells, and the total bacterial community (based on the gene coding for 16S rRNA) and SRB (based on dsrA and apsAB genes) were determined using fluorescence in situ hybridization (FISH) and PCR-DGGE analyses. Nitrate plus THPS controlled H2S production for 34 months in oil reservoir 1. THPS injection in oil reservoir 2 controlled H2S levels for 17 months, and the further addition of nitrate in water injection did not control H2S production. PCR-DGGE analyses and the molecular identification of the dominant groups showed a predominance of thermophilic bacteria, including different SRB (such as Desulfocaldus and Desulfonauticus) and nitrate-reducing bacteria (NRB – Marinobacter) in oil reservoir 1 and mesophilic SRB (Desulfovibrio) and NRB (Halomonas and Acinetobacter) in oil reservoir 2. The strategy chosen during secondary oil recovery modulated the microbial community and, consequently, changed the dynamics of H2S production.</description><identifier>ISSN: 0016-2361</identifier><identifier>EISSN: 1873-7153</identifier><identifier>DOI: 10.1016/j.fuel.2020.119731</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Bacteria ; Biocide ; Biocides ; Denitrifying bacteria ; Fluorescence ; Fluorescence in situ hybridization ; High temperature ; Hydrogen production ; Hydrogen sulfide ; Injection ; Microorganisms ; Nitrate ; Nitrates ; Oil and gas industry ; Oil recovery ; Oil reservoirs ; Reservoirs ; rRNA 16S ; Secondary oil recovery ; Sulfate reduction ; Sulfate-reducing bacteria ; Sulfates ; Sulfide production ; Thermophilic bacteria ; Water flooding ; Water injection</subject><ispartof>Fuel (Guildford), 2021-03, Vol.288, p.119731, Article 119731</ispartof><rights>2020 Elsevier Ltd</rights><rights>Copyright Elsevier BV Mar 15, 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c372t-2ce3aab9670ddbfeccb913cb597d0c8a94c7a5189b63d553e2a342f9d68506393</citedby><cites>FETCH-LOGICAL-c372t-2ce3aab9670ddbfeccb913cb597d0c8a94c7a5189b63d553e2a342f9d68506393</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.fuel.2020.119731$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Jurelevicius, Diogo</creatorcontrib><creatorcontrib>Ramos, Luana</creatorcontrib><creatorcontrib>Abreu, Fernanda</creatorcontrib><creatorcontrib>Lins, Ulysses</creatorcontrib><creatorcontrib>de Sousa, Maíra P.</creatorcontrib><creatorcontrib>dos Santos, Vanessa V.C.M.</creatorcontrib><creatorcontrib>Penna, Mônica</creatorcontrib><creatorcontrib>Seldin, Lucy</creatorcontrib><title>Long-term souring treatment using nitrate and biocides in high-temperature oil reservoirs</title><title>Fuel (Guildford)</title><description>[Display omitted]
•Two high-temperature (80–84 °C) oil reservoirs were studied over three years.•Biocides and/or nitrate were used to control SRB in these oil reservoirs.•Nitrate plus THPS controlled H2S production for 34 months in oil reservoir 1.•Nitrate added after 19 months in oil reservoir 2 did not control H2S production.•Thermophilic bacteria and NRB were observed in oil reservoir 1.•Mesophilic SRB and NRB were found in oil reservoir 2.
The biogenic production of hydrogen sulfide (H2S) by sulfate-reducing bacteria (SRB) and consequently the souring of reservoirs are still major problems in oil industry. Biocides and/or nitrate are used to control SRB activity in oil reservoirs, but long-term studies are still needed to prove their efficacy. In this study, two high-temperature (80–84 °C) oil reservoirs were analyzed over three years. Nitrate and tetrakishydroxymethyl phosphonium sulfate (THPS) were added to the water injection system (WI) at the beginning of secondary oil recovery in oil reservoir 1, while nitrate was only added 19 months after the beginning of secondary oil recovery in oil reservoir 2. The H2S concentration was quantified monthly in production wells, and the total bacterial community (based on the gene coding for 16S rRNA) and SRB (based on dsrA and apsAB genes) were determined using fluorescence in situ hybridization (FISH) and PCR-DGGE analyses. Nitrate plus THPS controlled H2S production for 34 months in oil reservoir 1. THPS injection in oil reservoir 2 controlled H2S levels for 17 months, and the further addition of nitrate in water injection did not control H2S production. PCR-DGGE analyses and the molecular identification of the dominant groups showed a predominance of thermophilic bacteria, including different SRB (such as Desulfocaldus and Desulfonauticus) and nitrate-reducing bacteria (NRB – Marinobacter) in oil reservoir 1 and mesophilic SRB (Desulfovibrio) and NRB (Halomonas and Acinetobacter) in oil reservoir 2. The strategy chosen during secondary oil recovery modulated the microbial community and, consequently, changed the dynamics of H2S production.</description><subject>Bacteria</subject><subject>Biocide</subject><subject>Biocides</subject><subject>Denitrifying bacteria</subject><subject>Fluorescence</subject><subject>Fluorescence in situ hybridization</subject><subject>High temperature</subject><subject>Hydrogen production</subject><subject>Hydrogen sulfide</subject><subject>Injection</subject><subject>Microorganisms</subject><subject>Nitrate</subject><subject>Nitrates</subject><subject>Oil and gas industry</subject><subject>Oil recovery</subject><subject>Oil reservoirs</subject><subject>Reservoirs</subject><subject>rRNA 16S</subject><subject>Secondary oil recovery</subject><subject>Sulfate reduction</subject><subject>Sulfate-reducing bacteria</subject><subject>Sulfates</subject><subject>Sulfide production</subject><subject>Thermophilic bacteria</subject><subject>Water flooding</subject><subject>Water injection</subject><issn>0016-2361</issn><issn>1873-7153</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhoMouK7-AU8Bz13z0TYNeJHFL1jwogdPIU2muynbZk3SBf-9KevZ0zAz7zMfL0K3lKwoofV9v-om2K8YYblApeD0DC1oI3ghaMXP0YJkVcF4TS_RVYw9IUQ0VblAXxs_bosEYcDRT8GNW5wC6DTAmPAU53x0KegEWI8Wt84bZyFiN-Kd2-4yORwgt6cA2Ls9DhAhHL0L8RpddHof4eYvLtHn89PH-rXYvL-8rR83heGCpYIZ4Fq3shbE2rYDY1pJuWkrKSwxjZalEbqijWxrbquKA9O8ZJ20dVORmku-RHenuYfgvyeISfX5kTGvVKxsJGFZyLKKnVQm-BgDdOoQ3KDDj6JEzRaqXs0WqtlCdbIwQw8nCPL9RwdBReNgNGBdAJOU9e4__BcJwHtg</recordid><startdate>20210315</startdate><enddate>20210315</enddate><creator>Jurelevicius, Diogo</creator><creator>Ramos, Luana</creator><creator>Abreu, Fernanda</creator><creator>Lins, Ulysses</creator><creator>de Sousa, Maíra P.</creator><creator>dos Santos, Vanessa V.C.M.</creator><creator>Penna, Mônica</creator><creator>Seldin, Lucy</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope></search><sort><creationdate>20210315</creationdate><title>Long-term souring treatment using nitrate and biocides in high-temperature oil reservoirs</title><author>Jurelevicius, Diogo ; Ramos, Luana ; Abreu, Fernanda ; Lins, Ulysses ; de Sousa, Maíra P. ; dos Santos, Vanessa V.C.M. ; Penna, Mônica ; Seldin, Lucy</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c372t-2ce3aab9670ddbfeccb913cb597d0c8a94c7a5189b63d553e2a342f9d68506393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Bacteria</topic><topic>Biocide</topic><topic>Biocides</topic><topic>Denitrifying bacteria</topic><topic>Fluorescence</topic><topic>Fluorescence in situ hybridization</topic><topic>High temperature</topic><topic>Hydrogen production</topic><topic>Hydrogen sulfide</topic><topic>Injection</topic><topic>Microorganisms</topic><topic>Nitrate</topic><topic>Nitrates</topic><topic>Oil and gas industry</topic><topic>Oil recovery</topic><topic>Oil reservoirs</topic><topic>Reservoirs</topic><topic>rRNA 16S</topic><topic>Secondary oil recovery</topic><topic>Sulfate reduction</topic><topic>Sulfate-reducing bacteria</topic><topic>Sulfates</topic><topic>Sulfide production</topic><topic>Thermophilic bacteria</topic><topic>Water flooding</topic><topic>Water injection</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jurelevicius, Diogo</creatorcontrib><creatorcontrib>Ramos, Luana</creatorcontrib><creatorcontrib>Abreu, Fernanda</creatorcontrib><creatorcontrib>Lins, Ulysses</creatorcontrib><creatorcontrib>de Sousa, Maíra P.</creatorcontrib><creatorcontrib>dos Santos, Vanessa V.C.M.</creatorcontrib><creatorcontrib>Penna, Mônica</creatorcontrib><creatorcontrib>Seldin, Lucy</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Fuel (Guildford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jurelevicius, Diogo</au><au>Ramos, Luana</au><au>Abreu, Fernanda</au><au>Lins, Ulysses</au><au>de Sousa, Maíra P.</au><au>dos Santos, Vanessa V.C.M.</au><au>Penna, Mônica</au><au>Seldin, Lucy</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Long-term souring treatment using nitrate and biocides in high-temperature oil reservoirs</atitle><jtitle>Fuel (Guildford)</jtitle><date>2021-03-15</date><risdate>2021</risdate><volume>288</volume><spage>119731</spage><pages>119731-</pages><artnum>119731</artnum><issn>0016-2361</issn><eissn>1873-7153</eissn><abstract>[Display omitted]
•Two high-temperature (80–84 °C) oil reservoirs were studied over three years.•Biocides and/or nitrate were used to control SRB in these oil reservoirs.•Nitrate plus THPS controlled H2S production for 34 months in oil reservoir 1.•Nitrate added after 19 months in oil reservoir 2 did not control H2S production.•Thermophilic bacteria and NRB were observed in oil reservoir 1.•Mesophilic SRB and NRB were found in oil reservoir 2.
The biogenic production of hydrogen sulfide (H2S) by sulfate-reducing bacteria (SRB) and consequently the souring of reservoirs are still major problems in oil industry. Biocides and/or nitrate are used to control SRB activity in oil reservoirs, but long-term studies are still needed to prove their efficacy. In this study, two high-temperature (80–84 °C) oil reservoirs were analyzed over three years. Nitrate and tetrakishydroxymethyl phosphonium sulfate (THPS) were added to the water injection system (WI) at the beginning of secondary oil recovery in oil reservoir 1, while nitrate was only added 19 months after the beginning of secondary oil recovery in oil reservoir 2. The H2S concentration was quantified monthly in production wells, and the total bacterial community (based on the gene coding for 16S rRNA) and SRB (based on dsrA and apsAB genes) were determined using fluorescence in situ hybridization (FISH) and PCR-DGGE analyses. Nitrate plus THPS controlled H2S production for 34 months in oil reservoir 1. THPS injection in oil reservoir 2 controlled H2S levels for 17 months, and the further addition of nitrate in water injection did not control H2S production. PCR-DGGE analyses and the molecular identification of the dominant groups showed a predominance of thermophilic bacteria, including different SRB (such as Desulfocaldus and Desulfonauticus) and nitrate-reducing bacteria (NRB – Marinobacter) in oil reservoir 1 and mesophilic SRB (Desulfovibrio) and NRB (Halomonas and Acinetobacter) in oil reservoir 2. The strategy chosen during secondary oil recovery modulated the microbial community and, consequently, changed the dynamics of H2S production.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.fuel.2020.119731</doi><oa>free_for_read</oa></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Bacteria Biocide Biocides Denitrifying bacteria Fluorescence Fluorescence in situ hybridization High temperature Hydrogen production Hydrogen sulfide Injection Microorganisms Nitrate Nitrates Oil and gas industry Oil recovery Oil reservoirs Reservoirs rRNA 16S Secondary oil recovery Sulfate reduction Sulfate-reducing bacteria Sulfates Sulfide production Thermophilic bacteria Water flooding Water injection |
| title | Long-term souring treatment using nitrate and biocides in high-temperature oil reservoirs |
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