Experimental study on EOR performance of CO2-based flooding methods on tight oil
•CO2-based flooding methods were performed to investigate their EOR performance.•The recovery of high wax tight oil can be improved by CO2-based flooding methods.•Activated carbonated water alternating gas injection has the highest oil recovery. The recovery of tight formation is fairly low after de...
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| Veröffentlicht in: | Fuel (Guildford) 2021-04, Vol.290, p.119988, Article 119988 |
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| creator | Yu, Haiyang Fu, Wenrui Zhang, Youpeng Lu, Xin Cheng, Shiqing Xie, Qichao Qu, Xuefeng Yang, Weipeng Lu, Jun |
| description | •CO2-based flooding methods were performed to investigate their EOR performance.•The recovery of high wax tight oil can be improved by CO2-based flooding methods.•Activated carbonated water alternating gas injection has the highest oil recovery.
The recovery of tight formation is fairly low after depletion, and the poor physical properties make it difficult for water to be injected. And when the oil is with high wax content, it is more difficult to develop. Recently, with the development of horizontal wells and multi-stage hydraulic fracturing, the problem of injectivity is solved to some extent. With these techniques improving injectivity of displacing fluids, this paper conducted a series of coreflood experiments, including CO2 flooding, water alternating gas (WAG), carbonated water injection (CWI), active carbonated water injection (ACWI) and active carbonated water alternating gas (ACWAG), to investigate the EOR performance of CO2-based methods on tight oil. Furthermore, the influences of injected volume, surfactant concentration and water-gas-ratio on recovery were investigated. It is the first time to explore the feasibility of CWI/ACWI/ACWAG on increasing the recovery of tight oil with high wax content.
Experimental results revealed that ACWAG achieved the highest oil recovery (63.04%) among all methods. In addition, CWI yielded an oil recovery of 60.67% and it is the highest among WAG, CO2 flooding and CWI with the same amount of CO2 injected. ACWI reached 54.17% original oil in place (OOIP) with 0.5 pore volumes (PV) of active carbonated water injected. In this study, water-gas-ratio has not demonstrable influence on EOR performance. This paper uncovers the potential and application of CWI/ACWI/ACWAG in enhancing recovery of tight oil with high wax content. |
| doi_str_mv | 10.1016/j.fuel.2020.119988 |
| format | Article |
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The recovery of tight formation is fairly low after depletion, and the poor physical properties make it difficult for water to be injected. And when the oil is with high wax content, it is more difficult to develop. Recently, with the development of horizontal wells and multi-stage hydraulic fracturing, the problem of injectivity is solved to some extent. With these techniques improving injectivity of displacing fluids, this paper conducted a series of coreflood experiments, including CO2 flooding, water alternating gas (WAG), carbonated water injection (CWI), active carbonated water injection (ACWI) and active carbonated water alternating gas (ACWAG), to investigate the EOR performance of CO2-based methods on tight oil. Furthermore, the influences of injected volume, surfactant concentration and water-gas-ratio on recovery were investigated. It is the first time to explore the feasibility of CWI/ACWI/ACWAG on increasing the recovery of tight oil with high wax content.
Experimental results revealed that ACWAG achieved the highest oil recovery (63.04%) among all methods. In addition, CWI yielded an oil recovery of 60.67% and it is the highest among WAG, CO2 flooding and CWI with the same amount of CO2 injected. ACWI reached 54.17% original oil in place (OOIP) with 0.5 pore volumes (PV) of active carbonated water injected. In this study, water-gas-ratio has not demonstrable influence on EOR performance. This paper uncovers the potential and application of CWI/ACWI/ACWAG in enhancing recovery of tight oil with high wax content.</description><identifier>ISSN: 0016-2361</identifier><identifier>EISSN: 1873-7153</identifier><identifier>DOI: 10.1016/j.fuel.2020.119988</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Carbon dioxide ; Carbonated water injection ; Carbonation ; CO2-based method ; Coreflood experiment ; Depletion ; Enhanced oil recovery ; Flooding ; High wax content ; Horizontal wells ; Hydraulic fracturing ; Injection ; Oil ; Oil recovery ; Physical properties ; Tight oil ; Water flooding ; Water injection ; Waxes</subject><ispartof>Fuel (Guildford), 2021-04, Vol.290, p.119988, Article 119988</ispartof><rights>2020 Elsevier Ltd</rights><rights>Copyright Elsevier BV Apr 15, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-a2b881787856576ea9d80e2233de3160751018b09f433aea006473a9b4c20ab93</citedby><cites>FETCH-LOGICAL-c328t-a2b881787856576ea9d80e2233de3160751018b09f433aea006473a9b4c20ab93</cites><orcidid>0000-0002-9920-581X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.fuel.2020.119988$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Yu, Haiyang</creatorcontrib><creatorcontrib>Fu, Wenrui</creatorcontrib><creatorcontrib>Zhang, Youpeng</creatorcontrib><creatorcontrib>Lu, Xin</creatorcontrib><creatorcontrib>Cheng, Shiqing</creatorcontrib><creatorcontrib>Xie, Qichao</creatorcontrib><creatorcontrib>Qu, Xuefeng</creatorcontrib><creatorcontrib>Yang, Weipeng</creatorcontrib><creatorcontrib>Lu, Jun</creatorcontrib><title>Experimental study on EOR performance of CO2-based flooding methods on tight oil</title><title>Fuel (Guildford)</title><description>•CO2-based flooding methods were performed to investigate their EOR performance.•The recovery of high wax tight oil can be improved by CO2-based flooding methods.•Activated carbonated water alternating gas injection has the highest oil recovery.
The recovery of tight formation is fairly low after depletion, and the poor physical properties make it difficult for water to be injected. And when the oil is with high wax content, it is more difficult to develop. Recently, with the development of horizontal wells and multi-stage hydraulic fracturing, the problem of injectivity is solved to some extent. With these techniques improving injectivity of displacing fluids, this paper conducted a series of coreflood experiments, including CO2 flooding, water alternating gas (WAG), carbonated water injection (CWI), active carbonated water injection (ACWI) and active carbonated water alternating gas (ACWAG), to investigate the EOR performance of CO2-based methods on tight oil. Furthermore, the influences of injected volume, surfactant concentration and water-gas-ratio on recovery were investigated. It is the first time to explore the feasibility of CWI/ACWI/ACWAG on increasing the recovery of tight oil with high wax content.
Experimental results revealed that ACWAG achieved the highest oil recovery (63.04%) among all methods. In addition, CWI yielded an oil recovery of 60.67% and it is the highest among WAG, CO2 flooding and CWI with the same amount of CO2 injected. ACWI reached 54.17% original oil in place (OOIP) with 0.5 pore volumes (PV) of active carbonated water injected. In this study, water-gas-ratio has not demonstrable influence on EOR performance. This paper uncovers the potential and application of CWI/ACWI/ACWAG in enhancing recovery of tight oil with high wax content.</description><subject>Carbon dioxide</subject><subject>Carbonated water injection</subject><subject>Carbonation</subject><subject>CO2-based method</subject><subject>Coreflood experiment</subject><subject>Depletion</subject><subject>Enhanced oil recovery</subject><subject>Flooding</subject><subject>High wax content</subject><subject>Horizontal wells</subject><subject>Hydraulic fracturing</subject><subject>Injection</subject><subject>Oil</subject><subject>Oil recovery</subject><subject>Physical properties</subject><subject>Tight oil</subject><subject>Water flooding</subject><subject>Water injection</subject><subject>Waxes</subject><issn>0016-2361</issn><issn>1873-7153</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kN1LwzAUxYMoOKf_gE8Bnzvz1SYFX2TMDxhMRJ9D2t5uGV0zk1Tcf29KffbpwuGce-_5IXRLyYISWtzvF-0A3YIRlgRalkqdoRlVkmeS5vwczUhyZYwX9BJdhbAnhEiVixl6W_0cwdsD9NF0OMShOWHX49XmHSe9df5g-hqwa_Fyw7LKBGhw2znX2H6LDxB3rgljINrtLmJnu2t00ZouwM3fnKPPp9XH8iVbb55fl4_rrOZMxcywSikqVfqiyGUBpmwUAcY4b4DTgsg89VIVKVvBuQFDSCEkN2UlakZMVfI5upv2Hr37GiBEvXeD79NJzZRQopBC5MnFJlftXQgeWn1MZY0_aUr0SE7v9UhOj-T0RC6FHqYQpP-_LXgdagsJQ2M91FE3zv4X_wUWAnUQ</recordid><startdate>20210415</startdate><enddate>20210415</enddate><creator>Yu, Haiyang</creator><creator>Fu, Wenrui</creator><creator>Zhang, Youpeng</creator><creator>Lu, Xin</creator><creator>Cheng, Shiqing</creator><creator>Xie, Qichao</creator><creator>Qu, Xuefeng</creator><creator>Yang, Weipeng</creator><creator>Lu, Jun</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><orcidid>https://orcid.org/0000-0002-9920-581X</orcidid></search><sort><creationdate>20210415</creationdate><title>Experimental study on EOR performance of CO2-based flooding methods on tight oil</title><author>Yu, Haiyang ; Fu, Wenrui ; Zhang, Youpeng ; Lu, Xin ; Cheng, Shiqing ; Xie, Qichao ; Qu, Xuefeng ; Yang, Weipeng ; Lu, Jun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-a2b881787856576ea9d80e2233de3160751018b09f433aea006473a9b4c20ab93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Carbon dioxide</topic><topic>Carbonated water injection</topic><topic>Carbonation</topic><topic>CO2-based method</topic><topic>Coreflood experiment</topic><topic>Depletion</topic><topic>Enhanced oil recovery</topic><topic>Flooding</topic><topic>High wax content</topic><topic>Horizontal wells</topic><topic>Hydraulic fracturing</topic><topic>Injection</topic><topic>Oil</topic><topic>Oil recovery</topic><topic>Physical properties</topic><topic>Tight oil</topic><topic>Water flooding</topic><topic>Water injection</topic><topic>Waxes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yu, Haiyang</creatorcontrib><creatorcontrib>Fu, Wenrui</creatorcontrib><creatorcontrib>Zhang, Youpeng</creatorcontrib><creatorcontrib>Lu, Xin</creatorcontrib><creatorcontrib>Cheng, Shiqing</creatorcontrib><creatorcontrib>Xie, Qichao</creatorcontrib><creatorcontrib>Qu, Xuefeng</creatorcontrib><creatorcontrib>Yang, Weipeng</creatorcontrib><creatorcontrib>Lu, Jun</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>Yu, Haiyang</au><au>Fu, Wenrui</au><au>Zhang, Youpeng</au><au>Lu, Xin</au><au>Cheng, Shiqing</au><au>Xie, Qichao</au><au>Qu, Xuefeng</au><au>Yang, Weipeng</au><au>Lu, Jun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental study on EOR performance of CO2-based flooding methods on tight oil</atitle><jtitle>Fuel (Guildford)</jtitle><date>2021-04-15</date><risdate>2021</risdate><volume>290</volume><spage>119988</spage><pages>119988-</pages><artnum>119988</artnum><issn>0016-2361</issn><eissn>1873-7153</eissn><abstract>•CO2-based flooding methods were performed to investigate their EOR performance.•The recovery of high wax tight oil can be improved by CO2-based flooding methods.•Activated carbonated water alternating gas injection has the highest oil recovery.
The recovery of tight formation is fairly low after depletion, and the poor physical properties make it difficult for water to be injected. And when the oil is with high wax content, it is more difficult to develop. Recently, with the development of horizontal wells and multi-stage hydraulic fracturing, the problem of injectivity is solved to some extent. With these techniques improving injectivity of displacing fluids, this paper conducted a series of coreflood experiments, including CO2 flooding, water alternating gas (WAG), carbonated water injection (CWI), active carbonated water injection (ACWI) and active carbonated water alternating gas (ACWAG), to investigate the EOR performance of CO2-based methods on tight oil. Furthermore, the influences of injected volume, surfactant concentration and water-gas-ratio on recovery were investigated. It is the first time to explore the feasibility of CWI/ACWI/ACWAG on increasing the recovery of tight oil with high wax content.
Experimental results revealed that ACWAG achieved the highest oil recovery (63.04%) among all methods. In addition, CWI yielded an oil recovery of 60.67% and it is the highest among WAG, CO2 flooding and CWI with the same amount of CO2 injected. ACWI reached 54.17% original oil in place (OOIP) with 0.5 pore volumes (PV) of active carbonated water injected. In this study, water-gas-ratio has not demonstrable influence on EOR performance. This paper uncovers the potential and application of CWI/ACWI/ACWAG in enhancing recovery of tight oil with high wax content.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.fuel.2020.119988</doi><orcidid>https://orcid.org/0000-0002-9920-581X</orcidid></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Carbon dioxide Carbonated water injection Carbonation CO2-based method Coreflood experiment Depletion Enhanced oil recovery Flooding High wax content Horizontal wells Hydraulic fracturing Injection Oil Oil recovery Physical properties Tight oil Water flooding Water injection Waxes |
| title | Experimental study on EOR performance of CO2-based flooding methods on tight oil |
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