Study on Wettability Variation for Removing Liquid Block in Condensate Gas Reservoir |
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| Authors: | Ming Zhou Liutong Hou Xingcheng Nie Lei Zhou Jinzhou Zhao Xiao Guo |
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| Affiliation: | 1.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation and School of Materials Science and Engineering,Southwest Petroleum University,Chengdu,People’s Republic of China;2.School of Materials Science and Engineering,Southwest Petroleum University,Sichuan,People’s Republic of China |
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| Abstract: | Condensate liquid in porous media can prevent gas from exiting when the pressure is lower than the dew point pressure in the condensate gas reservoir. This can lead to liquid block and sharp decreases in gas yield. In this work, super-amphiphobic materials were used to remove the liquid block and recover the product. The experiments indicated that this method can effectively remove the damage of liquid block and improve the productivity of the gas well. |
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| Keywords: | Super‐amphiphobic interfacial material Energy spectrum analysis Capillary method Wetting angle Spontaneous imbibitions Unblocking liquid block |
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