RESEARCH ON CO2 FLOODING FOR IMPROVED OIL RECOVERY IN WATER FLOODING ABANDONED RESERVOIRS
<span style="font-family: Calibri;"<<span style="font-size: medium;"<CO<sub<2</sub<</span<<span style="font-size: medium;"< injection is an effective technique for improved oil recovery in light oil reservoirs, especially for water fl...
Ausführliche Beschreibung
Autor*in: |
Baolun Niu [verfasserIn] Ruijian Deng [verfasserIn] Yiqing Lin [verfasserIn] Xinrong Wu [verfasserIn] Zhang Zhang [verfasserIn] Changhua Yang [verfasserIn] Weidong Yang [verfasserIn] Zhaomin Li [verfasserIn] Shaoran Ren [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2014 |
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Übergeordnetes Werk: |
In: Journal of Petroleum Science and Technology - Reaserch Institute of Petroleum Industry, 2018, 4(2014), 2, Seite 35-42 |
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Übergeordnetes Werk: |
volume:4 ; year:2014 ; number:2 ; pages:35-42 |
Links: |
Link aufrufen |
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DOI / URN: |
10.22078/jpst.2014.402 |
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Katalog-ID: |
DOAJ049139193 |
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10.22078/jpst.2014.402 doi (DE-627)DOAJ049139193 (DE-599)DOAJ819912991ffc43c89473be3ae1442fd3 DE-627 ger DE-627 rakwb eng TP690-692.5 Baolun Niu verfasserin aut RESEARCH ON CO2 FLOODING FOR IMPROVED OIL RECOVERY IN WATER FLOODING ABANDONED RESERVOIRS 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <span style="font-family: Calibri;"<<span style="font-size: medium;"<CO<sub<2</sub<</span<<span style="font-size: medium;"< injection is an effective technique for improved oil recovery in light oil reservoirs, especially for water flooding abandoned reservoirs. In this study, the lower part of Es1 reservoirs in Pucheng oilfield was introduced as the target reservoir. By studying the minimum miscible pressure in CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding, the reservoir could achieve miscible flooding. Long core displacement experiments proved that water alternating CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding could significantly improve the recovery. For the reservoir characteristics, anti-corrosion technology in the process of injection was researched, and the H-20 inhibitor was screened. A channeling blocking agent in combination with the delayed expansion of gel particles and cross-linked copolymer was used to control the gas fluidity. The Pu 1-1 well groups were optimized to conduct a field trial. The cumulative injected liquid CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< was 19219.95 ton, 0.248 PV and the cumulative increasing oil was 4520.9 t. The predicted recovery will increase by 8.3%. The successful implementation of the project can provide technical attempt for completion of energy to succeed and energy-saving emission reduction targets.</span<</span< gas injection ior water alternating co2 injection co2 corrosion co2 foam Petroleum refining. Petroleum products Ruijian Deng verfasserin aut Yiqing Lin verfasserin aut Xinrong Wu verfasserin aut Zhang Zhang verfasserin aut Changhua Yang verfasserin aut Weidong Yang verfasserin aut Zhaomin Li verfasserin aut Shaoran Ren verfasserin aut In Journal of Petroleum Science and Technology Reaserch Institute of Petroleum Industry, 2018 4(2014), 2, Seite 35-42 (DE-627)1030643903 26453312 nnns volume:4 year:2014 number:2 pages:35-42 https://doi.org/10.22078/jpst.2014.402 kostenfrei https://doaj.org/article/819912991ffc43c89473be3ae1442fd3 kostenfrei https://jpst.ripi.ir/article_402_73756eaba9dbf4adc2723a2d1373646d.pdf kostenfrei https://doaj.org/toc/2251-659X Journal toc kostenfrei https://doaj.org/toc/2645-3312 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2014 2 35-42 |
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10.22078/jpst.2014.402 doi (DE-627)DOAJ049139193 (DE-599)DOAJ819912991ffc43c89473be3ae1442fd3 DE-627 ger DE-627 rakwb eng TP690-692.5 Baolun Niu verfasserin aut RESEARCH ON CO2 FLOODING FOR IMPROVED OIL RECOVERY IN WATER FLOODING ABANDONED RESERVOIRS 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <span style="font-family: Calibri;"<<span style="font-size: medium;"<CO<sub<2</sub<</span<<span style="font-size: medium;"< injection is an effective technique for improved oil recovery in light oil reservoirs, especially for water flooding abandoned reservoirs. In this study, the lower part of Es1 reservoirs in Pucheng oilfield was introduced as the target reservoir. By studying the minimum miscible pressure in CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding, the reservoir could achieve miscible flooding. Long core displacement experiments proved that water alternating CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding could significantly improve the recovery. For the reservoir characteristics, anti-corrosion technology in the process of injection was researched, and the H-20 inhibitor was screened. A channeling blocking agent in combination with the delayed expansion of gel particles and cross-linked copolymer was used to control the gas fluidity. The Pu 1-1 well groups were optimized to conduct a field trial. The cumulative injected liquid CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< was 19219.95 ton, 0.248 PV and the cumulative increasing oil was 4520.9 t. The predicted recovery will increase by 8.3%. The successful implementation of the project can provide technical attempt for completion of energy to succeed and energy-saving emission reduction targets.</span<</span< gas injection ior water alternating co2 injection co2 corrosion co2 foam Petroleum refining. Petroleum products Ruijian Deng verfasserin aut Yiqing Lin verfasserin aut Xinrong Wu verfasserin aut Zhang Zhang verfasserin aut Changhua Yang verfasserin aut Weidong Yang verfasserin aut Zhaomin Li verfasserin aut Shaoran Ren verfasserin aut In Journal of Petroleum Science and Technology Reaserch Institute of Petroleum Industry, 2018 4(2014), 2, Seite 35-42 (DE-627)1030643903 26453312 nnns volume:4 year:2014 number:2 pages:35-42 https://doi.org/10.22078/jpst.2014.402 kostenfrei https://doaj.org/article/819912991ffc43c89473be3ae1442fd3 kostenfrei https://jpst.ripi.ir/article_402_73756eaba9dbf4adc2723a2d1373646d.pdf kostenfrei https://doaj.org/toc/2251-659X Journal toc kostenfrei https://doaj.org/toc/2645-3312 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2014 2 35-42 |
allfields_unstemmed |
10.22078/jpst.2014.402 doi (DE-627)DOAJ049139193 (DE-599)DOAJ819912991ffc43c89473be3ae1442fd3 DE-627 ger DE-627 rakwb eng TP690-692.5 Baolun Niu verfasserin aut RESEARCH ON CO2 FLOODING FOR IMPROVED OIL RECOVERY IN WATER FLOODING ABANDONED RESERVOIRS 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <span style="font-family: Calibri;"<<span style="font-size: medium;"<CO<sub<2</sub<</span<<span style="font-size: medium;"< injection is an effective technique for improved oil recovery in light oil reservoirs, especially for water flooding abandoned reservoirs. In this study, the lower part of Es1 reservoirs in Pucheng oilfield was introduced as the target reservoir. By studying the minimum miscible pressure in CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding, the reservoir could achieve miscible flooding. Long core displacement experiments proved that water alternating CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding could significantly improve the recovery. For the reservoir characteristics, anti-corrosion technology in the process of injection was researched, and the H-20 inhibitor was screened. A channeling blocking agent in combination with the delayed expansion of gel particles and cross-linked copolymer was used to control the gas fluidity. The Pu 1-1 well groups were optimized to conduct a field trial. The cumulative injected liquid CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< was 19219.95 ton, 0.248 PV and the cumulative increasing oil was 4520.9 t. The predicted recovery will increase by 8.3%. The successful implementation of the project can provide technical attempt for completion of energy to succeed and energy-saving emission reduction targets.</span<</span< gas injection ior water alternating co2 injection co2 corrosion co2 foam Petroleum refining. Petroleum products Ruijian Deng verfasserin aut Yiqing Lin verfasserin aut Xinrong Wu verfasserin aut Zhang Zhang verfasserin aut Changhua Yang verfasserin aut Weidong Yang verfasserin aut Zhaomin Li verfasserin aut Shaoran Ren verfasserin aut In Journal of Petroleum Science and Technology Reaserch Institute of Petroleum Industry, 2018 4(2014), 2, Seite 35-42 (DE-627)1030643903 26453312 nnns volume:4 year:2014 number:2 pages:35-42 https://doi.org/10.22078/jpst.2014.402 kostenfrei https://doaj.org/article/819912991ffc43c89473be3ae1442fd3 kostenfrei https://jpst.ripi.ir/article_402_73756eaba9dbf4adc2723a2d1373646d.pdf kostenfrei https://doaj.org/toc/2251-659X Journal toc kostenfrei https://doaj.org/toc/2645-3312 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2014 2 35-42 |
allfieldsGer |
10.22078/jpst.2014.402 doi (DE-627)DOAJ049139193 (DE-599)DOAJ819912991ffc43c89473be3ae1442fd3 DE-627 ger DE-627 rakwb eng TP690-692.5 Baolun Niu verfasserin aut RESEARCH ON CO2 FLOODING FOR IMPROVED OIL RECOVERY IN WATER FLOODING ABANDONED RESERVOIRS 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <span style="font-family: Calibri;"<<span style="font-size: medium;"<CO<sub<2</sub<</span<<span style="font-size: medium;"< injection is an effective technique for improved oil recovery in light oil reservoirs, especially for water flooding abandoned reservoirs. In this study, the lower part of Es1 reservoirs in Pucheng oilfield was introduced as the target reservoir. By studying the minimum miscible pressure in CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding, the reservoir could achieve miscible flooding. Long core displacement experiments proved that water alternating CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding could significantly improve the recovery. For the reservoir characteristics, anti-corrosion technology in the process of injection was researched, and the H-20 inhibitor was screened. A channeling blocking agent in combination with the delayed expansion of gel particles and cross-linked copolymer was used to control the gas fluidity. The Pu 1-1 well groups were optimized to conduct a field trial. The cumulative injected liquid CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< was 19219.95 ton, 0.248 PV and the cumulative increasing oil was 4520.9 t. The predicted recovery will increase by 8.3%. The successful implementation of the project can provide technical attempt for completion of energy to succeed and energy-saving emission reduction targets.</span<</span< gas injection ior water alternating co2 injection co2 corrosion co2 foam Petroleum refining. Petroleum products Ruijian Deng verfasserin aut Yiqing Lin verfasserin aut Xinrong Wu verfasserin aut Zhang Zhang verfasserin aut Changhua Yang verfasserin aut Weidong Yang verfasserin aut Zhaomin Li verfasserin aut Shaoran Ren verfasserin aut In Journal of Petroleum Science and Technology Reaserch Institute of Petroleum Industry, 2018 4(2014), 2, Seite 35-42 (DE-627)1030643903 26453312 nnns volume:4 year:2014 number:2 pages:35-42 https://doi.org/10.22078/jpst.2014.402 kostenfrei https://doaj.org/article/819912991ffc43c89473be3ae1442fd3 kostenfrei https://jpst.ripi.ir/article_402_73756eaba9dbf4adc2723a2d1373646d.pdf kostenfrei https://doaj.org/toc/2251-659X Journal toc kostenfrei https://doaj.org/toc/2645-3312 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2014 2 35-42 |
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10.22078/jpst.2014.402 doi (DE-627)DOAJ049139193 (DE-599)DOAJ819912991ffc43c89473be3ae1442fd3 DE-627 ger DE-627 rakwb eng TP690-692.5 Baolun Niu verfasserin aut RESEARCH ON CO2 FLOODING FOR IMPROVED OIL RECOVERY IN WATER FLOODING ABANDONED RESERVOIRS 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <span style="font-family: Calibri;"<<span style="font-size: medium;"<CO<sub<2</sub<</span<<span style="font-size: medium;"< injection is an effective technique for improved oil recovery in light oil reservoirs, especially for water flooding abandoned reservoirs. In this study, the lower part of Es1 reservoirs in Pucheng oilfield was introduced as the target reservoir. By studying the minimum miscible pressure in CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding, the reservoir could achieve miscible flooding. Long core displacement experiments proved that water alternating CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding could significantly improve the recovery. For the reservoir characteristics, anti-corrosion technology in the process of injection was researched, and the H-20 inhibitor was screened. A channeling blocking agent in combination with the delayed expansion of gel particles and cross-linked copolymer was used to control the gas fluidity. The Pu 1-1 well groups were optimized to conduct a field trial. The cumulative injected liquid CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< was 19219.95 ton, 0.248 PV and the cumulative increasing oil was 4520.9 t. The predicted recovery will increase by 8.3%. The successful implementation of the project can provide technical attempt for completion of energy to succeed and energy-saving emission reduction targets.</span<</span< gas injection ior water alternating co2 injection co2 corrosion co2 foam Petroleum refining. Petroleum products Ruijian Deng verfasserin aut Yiqing Lin verfasserin aut Xinrong Wu verfasserin aut Zhang Zhang verfasserin aut Changhua Yang verfasserin aut Weidong Yang verfasserin aut Zhaomin Li verfasserin aut Shaoran Ren verfasserin aut In Journal of Petroleum Science and Technology Reaserch Institute of Petroleum Industry, 2018 4(2014), 2, Seite 35-42 (DE-627)1030643903 26453312 nnns volume:4 year:2014 number:2 pages:35-42 https://doi.org/10.22078/jpst.2014.402 kostenfrei https://doaj.org/article/819912991ffc43c89473be3ae1442fd3 kostenfrei https://jpst.ripi.ir/article_402_73756eaba9dbf4adc2723a2d1373646d.pdf kostenfrei https://doaj.org/toc/2251-659X Journal toc kostenfrei https://doaj.org/toc/2645-3312 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 4 2014 2 35-42 |
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RESEARCH ON CO2 FLOODING FOR IMPROVED OIL RECOVERY IN WATER FLOODING ABANDONED RESERVOIRS |
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<span style="font-family: Calibri;"<<span style="font-size: medium;"<CO<sub<2</sub<</span<<span style="font-size: medium;"< injection is an effective technique for improved oil recovery in light oil reservoirs, especially for water flooding abandoned reservoirs. In this study, the lower part of Es1 reservoirs in Pucheng oilfield was introduced as the target reservoir. By studying the minimum miscible pressure in CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding, the reservoir could achieve miscible flooding. Long core displacement experiments proved that water alternating CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding could significantly improve the recovery. For the reservoir characteristics, anti-corrosion technology in the process of injection was researched, and the H-20 inhibitor was screened. A channeling blocking agent in combination with the delayed expansion of gel particles and cross-linked copolymer was used to control the gas fluidity. The Pu 1-1 well groups were optimized to conduct a field trial. The cumulative injected liquid CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< was 19219.95 ton, 0.248 PV and the cumulative increasing oil was 4520.9 t. The predicted recovery will increase by 8.3%. The successful implementation of the project can provide technical attempt for completion of energy to succeed and energy-saving emission reduction targets.</span<</span< |
abstractGer |
<span style="font-family: Calibri;"<<span style="font-size: medium;"<CO<sub<2</sub<</span<<span style="font-size: medium;"< injection is an effective technique for improved oil recovery in light oil reservoirs, especially for water flooding abandoned reservoirs. In this study, the lower part of Es1 reservoirs in Pucheng oilfield was introduced as the target reservoir. By studying the minimum miscible pressure in CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding, the reservoir could achieve miscible flooding. Long core displacement experiments proved that water alternating CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding could significantly improve the recovery. For the reservoir characteristics, anti-corrosion technology in the process of injection was researched, and the H-20 inhibitor was screened. A channeling blocking agent in combination with the delayed expansion of gel particles and cross-linked copolymer was used to control the gas fluidity. The Pu 1-1 well groups were optimized to conduct a field trial. The cumulative injected liquid CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< was 19219.95 ton, 0.248 PV and the cumulative increasing oil was 4520.9 t. The predicted recovery will increase by 8.3%. The successful implementation of the project can provide technical attempt for completion of energy to succeed and energy-saving emission reduction targets.</span<</span< |
abstract_unstemmed |
<span style="font-family: Calibri;"<<span style="font-size: medium;"<CO<sub<2</sub<</span<<span style="font-size: medium;"< injection is an effective technique for improved oil recovery in light oil reservoirs, especially for water flooding abandoned reservoirs. In this study, the lower part of Es1 reservoirs in Pucheng oilfield was introduced as the target reservoir. By studying the minimum miscible pressure in CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding, the reservoir could achieve miscible flooding. Long core displacement experiments proved that water alternating CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< flooding could significantly improve the recovery. For the reservoir characteristics, anti-corrosion technology in the process of injection was researched, and the H-20 inhibitor was screened. A channeling blocking agent in combination with the delayed expansion of gel particles and cross-linked copolymer was used to control the gas fluidity. The Pu 1-1 well groups were optimized to conduct a field trial. The cumulative injected liquid CO</span<<sub<<span style="font-size: medium;"<2</span<</sub<<span style="font-size: medium;"< was 19219.95 ton, 0.248 PV and the cumulative increasing oil was 4520.9 t. The predicted recovery will increase by 8.3%. The successful implementation of the project can provide technical attempt for completion of energy to succeed and energy-saving emission reduction targets.</span<</span< |
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title_short |
RESEARCH ON CO2 FLOODING FOR IMPROVED OIL RECOVERY IN WATER FLOODING ABANDONED RESERVOIRS |
url |
https://doi.org/10.22078/jpst.2014.402 https://doaj.org/article/819912991ffc43c89473be3ae1442fd3 https://jpst.ripi.ir/article_402_73756eaba9dbf4adc2723a2d1373646d.pdf https://doaj.org/toc/2251-659X https://doaj.org/toc/2645-3312 |
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Ruijian Deng Yiqing Lin Xinrong Wu Zhang Zhang Changhua Yang Weidong Yang Zhaomin Li Shaoran Ren |
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Ruijian Deng Yiqing Lin Xinrong Wu Zhang Zhang Changhua Yang Weidong Yang Zhaomin Li Shaoran Ren |
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10.22078/jpst.2014.402 |
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up_date |
2024-07-03T21:40:03.728Z |
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