平顶山煤田煤储层物性特征与煤层气有利区预测

姚艳斌; 刘大锰; 汤达祯; 唐书恒; 黄文辉; 胡宝林; 车遥

Volume 32 Issue 2

Mar. 2007

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Article Navigation > Earth Science > 2007 > 32(2): 285-290

YAO Yan-bin, LIU Da-meng, TANG Da-zhen, TANG Shu-heng, HUANG Wen-hui, HU Bao-lin, CHE Yao, 2007. Coal Reservoir Physical Characteristics and Prospective Areas for CBM Exploitation in Pingdingshan Coalfield. Earth Science, 32(2): 285-290.

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Coal Reservoir Physical Characteristics and Prospective Areas for CBM Exploitation in Pingdingshan Coalfield

1.
Faculty o f Energy Resources, China University o f Geosciences, Beijing 100083, China
2.
Department o f Resources and Environmental Engineering, Anhui University o f Science and Technology, Huainan 232000, China

Publish Date: 2007-03-25

Abstract

Abstract

Based on the elemental, maceral, micro-fracture, coal facies, liquid nitrogen adsorption/desorption and mercury injection analyses, the coalbed methane (CBM) geological characteristics, coal reservoir physical characteristics, CBM resources and its exploration and exploitation prospect in Pingdingshan coalfield were systematically studied. The in-place CBM resource was calculated using the fuzzy mathematics and stacking analysis of GIS (geographic information system) method. The results show that the in-place CBM resources and the resources abundance in Pingdingshan coalfield are about 786. 8× 10⁸ m³ and 1.05 ×10⁸ m³/km² respectively, which are very favorable for CBM exploration and development. The optimum target areas in this coalfield are the deep prediction districts of No. 8 and No. 10 coal districts, where the coal reservoirs have higher coal thickness and CBM resource abundance, good burial depth, well connected pore-cleat systems, and higher permeability resulting from the tectonic stress.
- coalbed methane,
- Pingdingshan coalfield,
- coal reservoir characteristics,
- prospective and target area

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References

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