Experimental Study on Physical Modeling of Hydrodynamic Condition in Low-Rank Coalbed Methane Reservoir

Xinjiang Petroleum Geology ›› 2006, Vol. 27 ›› Issue (2): 176-177.

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Experimental Study on Physical Modeling of Hydrodynamic Condition in Low-Rank Coalbed Methane Reservoir

WANG Bo¹, JIANG Bo¹, WANG Hong-yan², LIU Hong-lin², CHEN Zhen-hong², LI Gui-zhong²

1. Institute of Resource and Geosciences, China University of Mining and Technology, Xuzhou, Jiangsu 221008, China;
2. Department of Coalbed Project Management, Langfang Branch, Research Institute of Petroleum Exploration and Development, PetroChina, Langfang, Hebei 065007, China

Received:2005-07-29 Revised:2005-07-29 Online:2006-04-01 Published:2020-10-30

Abstract

Abstract: Hydrodynamic condition is one of the critical factors that affect low-rank coalbed methane (CBM) accumulation. The CBM accumulation model is used to simulate the hydrodynamic condition of low-rank coalbed methane reservoir. Study shows that H2S and methane concentration will be reduced, δ13C1 be lightened, N2 and CO2 contents be increased under the strong hydrodynamic alternation, which have unfavorable impact on CBM accumulation. Also, this paper analyzes the hydrodynamic condition in eastern margin of Ordos basin and discusses the difference among conservation conditions in CBMreservoirs.

Key words: low coal rank, coalbed methane reservoir, hydrodynamic condition, simulation, modeling, Ordos basin

CLC Number:

TE111

WANG Bo, JIANG Bo, WANG Hong-yan, LIU Hong-lin, CHEN Zhen-hong, LI Gui-zhong. Experimental Study on Physical Modeling of Hydrodynamic Condition in Low-Rank Coalbed Methane Reservoir[J]. Xinjiang Petroleum Geology, 2006, 27(2): 176-177.

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Experimental Study on Physical Modeling of Hydrodynamic Condition in Low-Rank Coalbed Methane Reservoir

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