Reservoir space characterization of vuggy carbonate reservoirs with multiple scales: a case study of Ma 5-7 interval, Middle Ordovician Majiagou Formation, Daniudi area, Ordos Basin
The reservoir space of carbonate rocks is of multiple scales and genesis mechanisms, and it is difficult to accurately demonstrate the reservoir space as well as physical properties.Millimeter-, micro- and nano-scale reservoir spaces were all developed in the Ma 5-7 interval (the 7th sub-member of t...
| Principais autores: | , , , , |
|---|---|
| Formato: | Artigo |
| Idioma: | zho |
| Publicado em: |
Editorial Office of Petroleum Geology and Experiment
2021-07-01
|
| coleção: | Shiyou shiyan dizhi |
| Assuntos: | |
| Acesso em linha: | https://www.sysydz.net/cn/article/doi/10.11781/sysydz202104689 |
| _version_ | 1827329726429003776 |
|---|---|
| author | Xiaoqi DING Xin LIU Zhuangzhuang QI Wei ZHANG Sihong LIU |
| author_facet | Xiaoqi DING Xin LIU Zhuangzhuang QI Wei ZHANG Sihong LIU |
| author_sort | Xiaoqi DING |
| collection | DOAJ |
| description | The reservoir space of carbonate rocks is of multiple scales and genesis mechanisms, and it is difficult to accurately demonstrate the reservoir space as well as physical properties.Millimeter-, micro- and nano-scale reservoir spaces were all developed in the Ma 5-7 interval (the 7th sub-member of the 5th member) of the Ordovician Majiagou Formation in Daniudi area, Ordos Basin. In order to study the storage space and physical properties, the storage space was characterized in layers at multiple scales, and combined with the approach of logging curves, a calculation model was established for the description of pores and caves.Several conclusions were made as follow. (1) For carbonate rock reservoirs with storage space of multiple scales, we can accurately describe their storage space by the means of core rubbing for dissolved pores (>1 mm), case thin section for intercrystalline pores (>2 μm), and argon ion polishing-scanning electron microscope for submicron and nano pores (< 2 μm). (2) On the basis of multi-scale reservoir space characterization, the acoustic porosity and neutron-density porosity can be constrained, and the corresponding intercrystalline pore porosity calculation model and dissolved pore porosity calculation model can be established, which have higher calculation accuracy. |
| first_indexed | 2024-03-07T15:45:16Z |
| format | Article |
| id | doaj.art-2be7665e147b49c3984c8b022541671e |
| institution | Directory Open Access Journal |
| issn | 1001-6112 |
| language | zho |
| last_indexed | 2024-03-07T15:45:16Z |
| publishDate | 2021-07-01 |
| publisher | Editorial Office of Petroleum Geology and Experiment |
| record_format | Article |
| series | Shiyou shiyan dizhi |
| spelling | doaj.art-2be7665e147b49c3984c8b022541671e2024-03-05T04:38:06ZzhoEditorial Office of Petroleum Geology and ExperimentShiyou shiyan dizhi1001-61122021-07-0143468969610.11781/sysydz202104689sysydz-43-4-689Reservoir space characterization of vuggy carbonate reservoirs with multiple scales: a case study of Ma 5-7 interval, Middle Ordovician Majiagou Formation, Daniudi area, Ordos BasinXiaoqi DING0Xin LIU1Zhuangzhuang QI2Wei ZHANG3Sihong LIU4Energy College, Chengdu University of Technology, Chengdu, Sichuan 610059, ChinaEnergy College, Chengdu University of Technology, Chengdu, Sichuan 610059, ChinaEnergy College, Chengdu University of Technology, Chengdu, Sichuan 610059, ChinaNorth China Company, SINOPEC, Zhengzhou, Henan 450006, ChinaNorth China Company, SINOPEC, Zhengzhou, Henan 450006, ChinaThe reservoir space of carbonate rocks is of multiple scales and genesis mechanisms, and it is difficult to accurately demonstrate the reservoir space as well as physical properties.Millimeter-, micro- and nano-scale reservoir spaces were all developed in the Ma 5-7 interval (the 7th sub-member of the 5th member) of the Ordovician Majiagou Formation in Daniudi area, Ordos Basin. In order to study the storage space and physical properties, the storage space was characterized in layers at multiple scales, and combined with the approach of logging curves, a calculation model was established for the description of pores and caves.Several conclusions were made as follow. (1) For carbonate rock reservoirs with storage space of multiple scales, we can accurately describe their storage space by the means of core rubbing for dissolved pores (>1 mm), case thin section for intercrystalline pores (>2 μm), and argon ion polishing-scanning electron microscope for submicron and nano pores (< 2 μm). (2) On the basis of multi-scale reservoir space characterization, the acoustic porosity and neutron-density porosity can be constrained, and the corresponding intercrystalline pore porosity calculation model and dissolved pore porosity calculation model can be established, which have higher calculation accuracy.https://www.sysydz.net/cn/article/doi/10.11781/sysydz202104689vuggy reservoirreservoir spacecarbonate rockmajiagou formationordoviciandaniudi gasfieldordos basin |
| spellingShingle | Xiaoqi DING Xin LIU Zhuangzhuang QI Wei ZHANG Sihong LIU Reservoir space characterization of vuggy carbonate reservoirs with multiple scales: a case study of Ma 5-7 interval, Middle Ordovician Majiagou Formation, Daniudi area, Ordos Basin Shiyou shiyan dizhi vuggy reservoir reservoir space carbonate rock majiagou formation ordovician daniudi gasfield ordos basin |
| title | Reservoir space characterization of vuggy carbonate reservoirs with multiple scales: a case study of Ma 5-7 interval, Middle Ordovician Majiagou Formation, Daniudi area, Ordos Basin |
| title_full | Reservoir space characterization of vuggy carbonate reservoirs with multiple scales: a case study of Ma 5-7 interval, Middle Ordovician Majiagou Formation, Daniudi area, Ordos Basin |
| title_fullStr | Reservoir space characterization of vuggy carbonate reservoirs with multiple scales: a case study of Ma 5-7 interval, Middle Ordovician Majiagou Formation, Daniudi area, Ordos Basin |
| title_full_unstemmed | Reservoir space characterization of vuggy carbonate reservoirs with multiple scales: a case study of Ma 5-7 interval, Middle Ordovician Majiagou Formation, Daniudi area, Ordos Basin |
| title_short | Reservoir space characterization of vuggy carbonate reservoirs with multiple scales: a case study of Ma 5-7 interval, Middle Ordovician Majiagou Formation, Daniudi area, Ordos Basin |
| title_sort | reservoir space characterization of vuggy carbonate reservoirs with multiple scales a case study of ma 5 7 interval middle ordovician majiagou formation daniudi area ordos basin |
| topic | vuggy reservoir reservoir space carbonate rock majiagou formation ordovician daniudi gasfield ordos basin |
| url | https://www.sysydz.net/cn/article/doi/10.11781/sysydz202104689 |
| work_keys_str_mv | AT xiaoqiding reservoirspacecharacterizationofvuggycarbonatereservoirswithmultiplescalesacasestudyofma57intervalmiddleordovicianmajiagouformationdaniudiareaordosbasin AT xinliu reservoirspacecharacterizationofvuggycarbonatereservoirswithmultiplescalesacasestudyofma57intervalmiddleordovicianmajiagouformationdaniudiareaordosbasin AT zhuangzhuangqi reservoirspacecharacterizationofvuggycarbonatereservoirswithmultiplescalesacasestudyofma57intervalmiddleordovicianmajiagouformationdaniudiareaordosbasin AT weizhang reservoirspacecharacterizationofvuggycarbonatereservoirswithmultiplescalesacasestudyofma57intervalmiddleordovicianmajiagouformationdaniudiareaordosbasin AT sihongliu reservoirspacecharacterizationofvuggycarbonatereservoirswithmultiplescalesacasestudyofma57intervalmiddleordovicianmajiagouformationdaniudiareaordosbasin |