Influencing factors for breakthrough pressure of carbonate caprocks
In addition to traditional gypsum salt rocks and shale rocks, many studies have confirmed that carbonate rocks also work as oil and gas seals. Breakthrough pressure is a characteristic parameter for the evaluation of the sealing ability of cap rocks. Different lithology types and lengths of carbonat...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Petroleum Geology and Experiment
2021-05-01
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| Series: | Shiyou shiyan dizhi |
| Subjects: | |
| Online Access: | https://www.sysydz.net/cn/article/doi/10.11781/sysydz202103461 |
| _version_ | 1797277257294675968 |
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| author | Lu ZHANG Jianying GUO Tong LIN Zengye XIE Chunlong YANG Caiyuan DONG Zeqing GUO Aisheng HAO |
| author_facet | Lu ZHANG Jianying GUO Tong LIN Zengye XIE Chunlong YANG Caiyuan DONG Zeqing GUO Aisheng HAO |
| author_sort | Lu ZHANG |
| collection | DOAJ |
| description | In addition to traditional gypsum salt rocks and shale rocks, many studies have confirmed that carbonate rocks also work as oil and gas seals. Breakthrough pressure is a characteristic parameter for the evaluation of the sealing ability of cap rocks. Different lithology types and lengths of carbonate rocks were subjected to breakthrough pressure measurement experiments at different temperatures, results showed that lithology, permeability and fracture development have obvious effects to rock characteristics. At the same temperature, sample length does not have a good correlation with breakthrough pressure, however, at different temperatures, the breakthrough pressure of most samples gradually decreases with the increase of temperature. Therefore, formation temperature has a non-negligible effect on the sealing ability of cap rocks. It is a key factor that needs to be considered for the evaluation of the sealing capacity of cap rocks. The carbonate rock with a high argillaceous content has better sealing capacity under high geothermal conditions. |
| first_indexed | 2024-03-07T15:46:03Z |
| format | Article |
| id | doaj.art-f2eff7ffc8a244f7bb8e36aa9612aed5 |
| institution | Directory Open Access Journal |
| issn | 1001-6112 |
| language | zho |
| last_indexed | 2024-03-07T15:46:03Z |
| publishDate | 2021-05-01 |
| publisher | Editorial Office of Petroleum Geology and Experiment |
| record_format | Article |
| series | Shiyou shiyan dizhi |
| spelling | doaj.art-f2eff7ffc8a244f7bb8e36aa9612aed52024-03-05T04:38:56ZzhoEditorial Office of Petroleum Geology and ExperimentShiyou shiyan dizhi1001-61122021-05-0143346146710.11781/sysydz202103461sysydz-43-3-461Influencing factors for breakthrough pressure of carbonate caprocksLu ZHANG0Jianying GUO1Tong LIN2Zengye XIE3Chunlong YANG4Caiyuan DONG5Zeqing GUO6Aisheng HAO7PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, ChinaPetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, ChinaPetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, ChinaPetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, ChinaPetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, ChinaPetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, ChinaPetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, ChinaPetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, ChinaIn addition to traditional gypsum salt rocks and shale rocks, many studies have confirmed that carbonate rocks also work as oil and gas seals. Breakthrough pressure is a characteristic parameter for the evaluation of the sealing ability of cap rocks. Different lithology types and lengths of carbonate rocks were subjected to breakthrough pressure measurement experiments at different temperatures, results showed that lithology, permeability and fracture development have obvious effects to rock characteristics. At the same temperature, sample length does not have a good correlation with breakthrough pressure, however, at different temperatures, the breakthrough pressure of most samples gradually decreases with the increase of temperature. Therefore, formation temperature has a non-negligible effect on the sealing ability of cap rocks. It is a key factor that needs to be considered for the evaluation of the sealing capacity of cap rocks. The carbonate rock with a high argillaceous content has better sealing capacity under high geothermal conditions.https://www.sysydz.net/cn/article/doi/10.11781/sysydz202103461high temperaturecarbonate rockbreakthrough pressureinfluencing factors |
| spellingShingle | Lu ZHANG Jianying GUO Tong LIN Zengye XIE Chunlong YANG Caiyuan DONG Zeqing GUO Aisheng HAO Influencing factors for breakthrough pressure of carbonate caprocks Shiyou shiyan dizhi high temperature carbonate rock breakthrough pressure influencing factors |
| title | Influencing factors for breakthrough pressure of carbonate caprocks |
| title_full | Influencing factors for breakthrough pressure of carbonate caprocks |
| title_fullStr | Influencing factors for breakthrough pressure of carbonate caprocks |
| title_full_unstemmed | Influencing factors for breakthrough pressure of carbonate caprocks |
| title_short | Influencing factors for breakthrough pressure of carbonate caprocks |
| title_sort | influencing factors for breakthrough pressure of carbonate caprocks |
| topic | high temperature carbonate rock breakthrough pressure influencing factors |
| url | https://www.sysydz.net/cn/article/doi/10.11781/sysydz202103461 |
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