收稿日期: 2008-01-23
修回日期: 2008-04-07
网络出版日期: 2008-06-10
Discussion about the CBM Well Draining Technology
Received date: 2008-01-23
Revised date: 2008-04-07
Online published: 2008-06-10
康永尚;邓泽;刘洪林 . 我国煤层气井排采工作制度探讨[J]. 天然气地球科学, 2008 , 19(3) : 423 -426 . DOI: 10.11764/j.issn.1672-1926.2008.03.423
China’s coalbed methane resources are abundant, and the coalbed methane resources shallower than 2000 m are 36.8 trillion cubic meters. Since the CBM permeability is generally low because of the complex tectonic movement process after deposition and reservoirs are highly sensitive to press during exploitation, we need to pay more attention to draining technologies. This article discussed about draining technologies, introduced the CBM fluids dynamic system, which is very important to develop a reasonable draining technology and mathematical model, and pointed out that the draining method guided by the step by step depressurizing thought can get better draining results.
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