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A method for calculating bottom-hole flowing pressure in deep coalbed methane wells
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WEI WANG1, YUEJIE YANG2, XIAOGANG LI1, XIA YAN3, WENCHAO LIU2, BINBIN SHI1, ZHENHAO DU2
Petroleum Reservoir Evaluation and Development | 2026, 16(5) : 1053 - 1060
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Petroleum Reservoir Evaluation and Development | 2026, 16(5): 1053-1060
• Oil and Gas Development •
A method for calculating bottom-hole flowing pressure in deep coalbed methane wells
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WEI WANG1, YUEJIE YANG2, XIAOGANG LI1, XIA YAN3, WENCHAO LIU2, BINBIN SHI1, ZHENHAO DU2
Affiliations
  • 1 Exploration and Development Construction Company, PetroChina Coalbed Methane Company Limited, Xi'an, Shaanxi 710003, China
  • 2 School of Resources and Safety Engineering, University of Science and Technology Beijing, Beijing 100083, China
  • 3 China United Coalbed Methane National Engineering Research Center Co., Ltd., Beijing 100095, China
Published: 2026-09-26 doi: 10.13809/j.cnki.cn32-1825/te.2025281
Outline
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Ordos Basin  /  deep coalbed methane (CBM)  /  wellbore flow model  /  bottom-hole flowing pressure  /  two-phase flow  /  dynamic liquid level  /  nonlinearity
王伟, 杨月洁, 李小刚, 闫霞, 刘文超, 师斌斌, 杜振浩. 一种深部煤层气井井底流压的折算方法. 油气藏评价与开发, 2026 , 16 (5) : 1053 -1060 . DOI: 10.13809/j.cnki.cn32-1825/te.2025281
WEI WANG, YUEJIE YANG, XIAOGANG LI, XIA YAN, WENCHAO LIU, BINBIN SHI, ZHENHAO DU. A method for calculating bottom-hole flowing pressure in deep coalbed methane wells[J]. Petroleum Reservoir Evaluation and Development, 2026 , 16 (5) : 1053 -1060 . DOI: 10.13809/j.cnki.cn32-1825/te.2025281
Appendix
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Year 2026 volume 16 Issue 5
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Article Info
doi: 10.13809/j.cnki.cn32-1825/te.2025281
  • Receive Date：2025-11-11
  • Online Date：2026-10-30
  • Published：2026-09-26
Article Data
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History
  • Received：2025-11-11
Affiliations
    1 Exploration and Development Construction Company, PetroChina Coalbed Methane Company Limited, Xi'an, Shaanxi 710003, China
    2 School of Resources and Safety Engineering, University of Science and Technology Beijing, Beijing 100083, China
    3 China United Coalbed Methane National Engineering Research Center Co., Ltd., Beijing 100095, 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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