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Large-scale visualized physical simulation of the occurrence and flow of condensate oil in fracture-vuggy condensate gas reservoir
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Zhouhua Wanga, Xin Zhoua, Haoqi Liaoa, *, Jinchuan Wua, Xingliang Dengb, Zhiliang Liub, Hanmin Tua, Ping Guoa, Huang Liua
Petroleum Research | 2026, 11(3) : 687 - 694
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Petroleum Research | 2026, 11(3): 687-694
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Large-scale visualized physical simulation of the occurrence and flow of condensate oil in fracture-vuggy condensate gas reservoir
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Zhouhua Wanga, Xin Zhoua, Haoqi Liaoa, *, Jinchuan Wua, Xingliang Dengb, Zhiliang Liub, Hanmin Tua, Ping Guoa, Huang Liua
Affiliations
  • aState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
  • bExploration and Development Research Institute (Tarim Oilfield Branch), PetroChina, Korla 841000, China
Published: 2026-09-10 doi: 10.1016/j.ptlrs.2025.11.009
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The Tazhong No. 1 condensate gas reservoir in Tarim Basin shows complex storage spaces and strong heterogeneity. To intuitively assess the production performance characteristics of the condensate gas reservoir and understand the occurrence mechanism of condensate oil, an experimental device and method for visualized simulation of depletion exploitation in fracture-vuggy condensate gas reservoirs were established. The condensate oil precipitation characteristics and dynamic parameters of different reservoir types during depletion were tested. The research indicates that the condensate oil occurrence characteristics in the single-fracture-vuggy model are similar to those in the multi-fracture-vuggy model. Condensate oil that precipitates on the pore walls slides down as droplets under the influence of gravity, eventually gathering at the corners of the lower areas of the pores. Unlike porous reservoirs, fracture-vuggy condensate gas reservoirs exhibit significant retrograde vaporization during the late stages of depletion production. As the depletion rate increases, the recovery degree of condensate oil also rises. For the single-fracture-vuggy model, recovery increases by 7.68%, and for the multi-fracture-vuggy model, by 9.85%, when the depletion rate is 6 MPa/h compared to 3 MPa/h. The results of this research provide crucial insights for developing technical measures to enhance condensate oil recovery in the middle and late stages of fracture-vuggy condensate gas reservoir development.

Fracture-vuggy condensate gas reservoir  /  Visualization  /  Large-scale physical slab model  /  Condensate oil occurrence law  /  Depletion production
Zhouhua Wang, Xin Zhou, Haoqi Liao, Jinchuan Wu, Xingliang Deng, Zhiliang Liu, Hanmin Tu, Ping Guo, Huang Liu. Large-scale visualized physical simulation of the occurrence and flow of condensate oil in fracture-vuggy condensate gas reservoir[J]. Petroleum Research, 2026 , 11 (3) : 687 -694 . DOI: 10.1016/j.ptlrs.2025.11.009
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Funding
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  • Key Demonstration Project for Enhanced Oil Recovery of Carbonate Oil and Gas Field in Tarim Basin(2016ZX05053)
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Year 2026 volume 11 Issue 3
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Article Info
doi: 10.1016/j.ptlrs.2025.11.009
  • Receive Date：2025-06-17
  • Online Date：2026-10-14
  • Published：2026-09-10
Article Data
Affiliations
History
  • Received：2025-06-17
  • Revised：2025-11-10
  • Accepted：2025-11-24
Funding
Key Demonstration Project for Enhanced Oil Recovery of Carbonate Oil and Gas Field in Tarim Basin(2016ZX05053)
Affiliations
    aState Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China
    bExploration and Development Research Institute (Tarim Oilfield Branch), PetroChina, Korla 841000, China

Corresponding:

* E-mail address: (H. Liao).
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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