Study on effectiveness of supercritical CO<sub>2</sub> on pore enlargement and permeability enhancement in deep ultra-low-permeability volcanic reservoirs

Study on effectiveness of supercritical CO₂ on pore enlargement and permeability enhancement in deep ultra-low-permeability volcanic reservoirs

QIUYU CHEN1^,2^,3, ZHONGCONG ZHAO1^,2^,3, DAMING LI4, XIAOLONG ZHAO5, PENGCHENG ZHOU6, DEPEI XU1^,2^,3, XIAOHUI SUN1^,2^,3, YANXIN HOU1^,2^,3, CHANGJUN HUA1^,2^,3

Petroleum Reservoir Evaluation and Development | 2026, 16(1) : 52 - 60

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Petroleum Reservoir Evaluation and Development | 2026, 16(1): 52-60

• Methodological Theory •

Study on effectiveness of supercritical CO₂ on pore enlargement and permeability enhancement in deep ultra-low-permeability volcanic reservoirs

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QIUYU CHEN1^,2^,3, ZHONGCONG ZHAO1^,2^,3, DAMING LI4, XIAOLONG ZHAO5, PENGCHENG ZHOU6, DEPEI XU1^,2^,3, XIAOHUI SUN1^,2^,3, YANXIN HOU1^,2^,3, CHANGJUN HUA1^,2^,3

Affiliations

¹ School of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100, China

² National Engineering Research Center for Oil & Gas Drilling and Completion Technology, Wuhan, Hubei 430100, China

³ Leak Resistance & Sealing Technology Research Department of National Engineering Laboratory of Petroleum Drilling Technology, Hubei Key Laboratory of Drilling and Production Engineering for Oil and Gas, Wuhan, Hubei 430100, China

⁴ Fuyu Oil Production Plant, Jilin Oilfield Company, Songyuan, Jilin 138000, China

⁵ Research Institute of Petroleum Engineering, Sinopec Shengli Oilfield Company, Dongying, Shandong 257000, China

⁶ Shaanxi Huatian Energy Technology Co., Ltd., Xi’an, Shaanxi 710000, China

Published: 2026-01-26 doi: 10.13809/j.cnki.cn32-1825/te.2025248

Outline

Key words

supercritical CO₂ / volcanic reservoir / ultra-low permeability / water-rock reaction / dissolution / reservoir stimulation

Cite this Article

陈秋宇, 赵众从, 李大铭, 赵小龙, 周鹏程, 徐德培, 孙晓辉, 侯艳鑫, 华长俊. 超临界CO₂对深层超低渗火山岩储层扩孔增渗效果研究. 油气藏评价与开发, 2026 , 16 (1) : 52 -60 . DOI: 10.13809/j.cnki.cn32-1825/te.2025248

QIUYU CHEN, ZHONGCONG ZHAO, DAMING LI, XIAOLONG ZHAO, PENGCHENG ZHOU, DEPEI XU, XIAOHUI SUN, YANXIN HOU, CHANGJUN HUA. Study on effectiveness of supercritical CO₂ on pore enlargement and permeability enhancement in deep ultra-low-permeability volcanic reservoirs[J]. Petroleum Reservoir Evaluation and Development, 2026 , 16 (1) : 52 -60 . DOI: 10.13809/j.cnki.cn32-1825/te.2025248

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Year 2026 volume 16 Issue 1

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Article Info

doi: 10.13809/j.cnki.cn32-1825/te.2025248

Receive Date：2025-05-26
Online Date：2026-10-30
Published：2026-01-26

Article Data

Affiliations

History

Received：2025-05-26

Affiliations

¹ School of Petroleum Engineering, Yangtze University, Wuhan, Hubei 430100, China

² National Engineering Research Center for Oil & Gas Drilling and Completion Technology, Wuhan, Hubei 430100, China

⁴ Fuyu Oil Production Plant, Jilin Oilfield Company, Songyuan, Jilin 138000, China

⁵ Research Institute of Petroleum Engineering, Sinopec Shengli Oilfield Company, Dongying, Shandong 257000, China

⁶ Shaanxi Huatian Energy Technology Co., Ltd., Xi’an, Shaanxi 710000, China

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表12种不同金属材料的力学参数

科 Family	属数 Number of genus	种数 Number of species	占总种数比例 Percentage of total species (%)	属 Genus	种数 Number of species	占总种数比例 Percentage of total species (%)
鹅膏菌科Amanitaceae	2	11	5.26	鹅膏菌属 Amanita	10	4.78
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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