Comparative Analysis of Three Kinds of Prediction Method of Gas Loss Amount During Determing Coal Seam Gas Content Process By Desorption MethodChinese Full Text
ZHANG Xiang-yang,GUO Meng-zhi,SONG Chuan-yang,GAO Liu-qiang(Baiping Coal Industry Company of Zhengzhou Coal Industry Group,Dengfeng 452470,China)
Abstract: Based on the importance of gas loss amount during directly determing coal seam gas content process by desorption method,the desorption laws of full drillings coal samples under the different pressure conditions of the laboratory were measured,and then three kinds of gas loss amount methods were used to analyze and compare the conclusion of gas loss amount.The results showed that t method was more in line with the gas desorption law in the initial stage of drill cuttings,and it had a little error to calculate the gas loss amount.
- DOI:
10.13347/j.cnki.mkaq.2012.08.058
- Series:
- Subject:
- Classification Code:
TD712.3
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