A Novel Approach to Determine the Enriched Gas Recycling during the Enriched Gas Flooding Process
A novel approach was proposed for calculating the enriched gas recovery factor based on the theory of two-phase isothermal flash calculations. First, define a new parameter, pseudo formation volume factor of enriched gas, to represent the ratio of the surface volume of produced mixture gas to underg...
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| Format: | Article |
| Language: | English |
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Wiley
2022-01-01
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| Series: | Geofluids |
| Online Access: | http://dx.doi.org/10.1155/2022/9362807 |
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| _version_ | 1832550610990268416 |
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| author | Yan Li Chunsheng Yu Kaitao Yuan |
| author_facet | Yan Li Chunsheng Yu Kaitao Yuan |
| author_sort | Yan Li |
| collection | DOAJ |
| description | A novel approach was proposed for calculating the enriched gas recovery factor based on the theory of two-phase isothermal flash calculations. First, define a new parameter, pseudo formation volume factor of enriched gas, to represent the ratio of the surface volume of produced mixture gas to underground volume of enriched gas. Two logarithmic functions were obtained by matching the flash calculation data, to characterize the relationships between pseudo formation volume factor and the produced gas-oil ratio. These two functions belong to the proportion of liquefied petroleum gas in enriched gas; the proportion is greater than 50% and less than 50%, respectively. Given measured gas-oil ratio and produced gas volume, underground volume of produced enriched gas can be calculated. Injection volume of enriched gas is known; therefore, recovery factor of enriched gas is the ratio of produced to injected volume of enriched gas. This approach is simply to calculate enriched gas recovery factor, because of only needs three parameters, which can be measured directly. New approach was compared to numerical simulation results; mean error is 12%. In addition, new approach can effectively avoid the influence of lean gas on the calculation of enriched gas recycling. Three stages of enriched gas recovery factors in field Z were calculated, and the mean error is 5.62% compared to the field analysis, which proves that the new approach’s correctness and practicability. |
| format | Article |
| id | doaj-art-33fe125df2034b5096e86891b81f58c8 |
| institution | Kabale University |
| issn | 1468-8123 |
| language | English |
| publishDate | 2022-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geofluids |
| spelling | doaj-art-33fe125df2034b5096e86891b81f58c82025-02-03T06:06:15ZengWileyGeofluids1468-81232022-01-01202210.1155/2022/9362807A Novel Approach to Determine the Enriched Gas Recycling during the Enriched Gas Flooding ProcessYan Li0Chunsheng Yu1Kaitao Yuan2Dingbian Oil Production Plant of Yanchang Oilfield Co.Southwest Petroleum UniversityDingbian Oil Production Plant of Yanchang Oilfield Co.A novel approach was proposed for calculating the enriched gas recovery factor based on the theory of two-phase isothermal flash calculations. First, define a new parameter, pseudo formation volume factor of enriched gas, to represent the ratio of the surface volume of produced mixture gas to underground volume of enriched gas. Two logarithmic functions were obtained by matching the flash calculation data, to characterize the relationships between pseudo formation volume factor and the produced gas-oil ratio. These two functions belong to the proportion of liquefied petroleum gas in enriched gas; the proportion is greater than 50% and less than 50%, respectively. Given measured gas-oil ratio and produced gas volume, underground volume of produced enriched gas can be calculated. Injection volume of enriched gas is known; therefore, recovery factor of enriched gas is the ratio of produced to injected volume of enriched gas. This approach is simply to calculate enriched gas recovery factor, because of only needs three parameters, which can be measured directly. New approach was compared to numerical simulation results; mean error is 12%. In addition, new approach can effectively avoid the influence of lean gas on the calculation of enriched gas recycling. Three stages of enriched gas recovery factors in field Z were calculated, and the mean error is 5.62% compared to the field analysis, which proves that the new approach’s correctness and practicability.http://dx.doi.org/10.1155/2022/9362807 |
| spellingShingle | Yan Li Chunsheng Yu Kaitao Yuan A Novel Approach to Determine the Enriched Gas Recycling during the Enriched Gas Flooding Process Geofluids |
| title | A Novel Approach to Determine the Enriched Gas Recycling during the Enriched Gas Flooding Process |
| title_full | A Novel Approach to Determine the Enriched Gas Recycling during the Enriched Gas Flooding Process |
| title_fullStr | A Novel Approach to Determine the Enriched Gas Recycling during the Enriched Gas Flooding Process |
| title_full_unstemmed | A Novel Approach to Determine the Enriched Gas Recycling during the Enriched Gas Flooding Process |
| title_short | A Novel Approach to Determine the Enriched Gas Recycling during the Enriched Gas Flooding Process |
| title_sort | novel approach to determine the enriched gas recycling during the enriched gas flooding process |
| url | http://dx.doi.org/10.1155/2022/9362807 |
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