Tianyi Gong

Prolonged Acid Stimulation Drives a Nonmonotonic Evolution of Coal Wettability from Hydrophilization to Hydrophobic Recovery

Guilin Zhao, Yiyu Lu, Yunzhong Jia, Qi Cheng et autres

Wettability fundamentally governs the transport, displacement, and retention of fracturing fluids in deep coalbed methane (CBM) reservoirs, yet its long-term evolution under acidic reservoir conditions remains insufficiently constrained. To address this gap, this study elucidates the coupled microstructural and chemical pathways through …

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Agricultural Productivity and Its Spatial Spillover Effects in China

Juk-Sen Tang, Hongwei Lu, Tianyi Gong, Junhong Chen

In the context of China’s pursuit of high-quality economic development, enhancing agricultural productivity is crucial for ensuring food security and promoting common prosperity. This paper constructs a systematic IV-LP-ACF-SAR econometric framework to analyze agricultural Total Factor Productivity (TFP) growth using panel data …

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Agricultural Productivity and its Spatial Spillover Effects in China

Hongwei Lu, Tianyi Gong, Junhong Chen

In the context of China’s pursuit of high-quality economic development, enhancing agricultural productivity is crucial for ensuring food security and promoting common prosperity. This paper constructs a systematic IV-LP-ACF-SAR econometric framework to analyze agricultural Total Factor Productivity (TFP) growth using panel data …

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Splenic pregnancy: A case report

Tianyi Gong, Si Li, Xiao‐Long Li, Huiqing Zhang

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Erratum to “Challenges and development direction of deep fragmented soft coalbed methane in China” [Earth Energy Sci. 1 (2025) 38–64]

Yiyu Lu, Guilin Zhao, Zhaolong Ge, Yunzhong Jia et autres

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Effect of CO 2 /Brine/Shale Interaction on Shale Water Wettability and Spontaneous Imbibition

Tianyi Gong, Jiren Tang, Qi Cheng, Yiyu Lu et autres

Wettability and spontaneous imbibition characteristics play pivotal roles in fluid distribution and migration within reservoirs, profoundly impacting shale oil and gas extraction as well as methane and CO 2 occurrence in pore systems and the selection and recovery of fracturing fluids. In …

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Challenges and development direction of deep fragmented soft coalbed methane in China

Yiyu Lu, Guilin Zhao, Zhaolong Ge, Yunzhong Jia et autres

Developing deep fragmented soft coalbed methane (CBM) can significantly enhance domestic natural gas supplies, reduce reliance on imported energy, and bolster national energy security. This manuscript provides a comprehensive review of commonly employed coalbed methane extraction technologies. It then delves into several …

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Investigation of the Pore Characteristics and Capillary Forces in Shale before and after Reaction with Supercritical CO2 and Slickwater

Chi Zhang, Qian Li, Yanlin Liu, Jiren Tang et autres

CO2–slickwater hybrid fracturing technology is an essential part of shale gas recovery and CO2 geo-storage. However, the exposure to supercritical CO2 (ScCO2) and slickwater can result in potential changes of the pore structures and surface wetting behavior, which affect the gas transportation …

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Capillary sealing capability alteration of shale caprock induced by CO2-brine-rock interaction: Implication for CO2 geological storage

Qi Cheng, Jiren Tang, Yalu Liu, Yiyu Lu et autres

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Evolution of shale wetting properties under long-term CO2/brine/shale interaction: Implications for CO2 storage in shale reservoirs

Yiyu Lu, Tianyi Gong, Jiren Tang, Qi Cheng et autres

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