煤层气储层的渗透性是煤层气开发的关键。

The permeability of coal seam is the crucial problem.

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本文针对煤层气储层的特点，探讨了煤层气井取心技术及储层保护技术。

In accordance with properties of coal bed gas reservoir, the paper has probed into the protective techniques.

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介绍了煤层气储层特点，指出我国煤层气储层多为低压、低渗透、低产能的。

This paper introduces the features of coal-bed gas reservoir, and points out that most of coal-bed gas reservoir in China are of low pressure, low permeability and low productivity.

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