If a well is drilled into such a zone to extract the natural gas, it can also reduce the pressure within the overlying gas hydrate layer.

如果将气井钻探到相应地带，即可开采天然气，此外还可以降低相应天然气水合物地层中的压力。

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To increase output of coalbed gas well, we have designed and drilled Lan M1-1 coalbed gas multi-branch horizontal well. With a large coalbed gas reserves, the buried depth is about 900 m.

为开采煤层气提高煤气产量，设计钻探了岚m 1 - 1煤层气多分支水平井，该井煤层气储量大，埋深在900 m处左右。

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In this paper, the conclusion will be further understanding of the level of gas Wells drilled rock carrying mechanism, the gas horizontal well design and construction of the guiding role has certain.

本文所得到的结论将进一步认识气体钻水平井携岩机理，对气体钻水平井设计与施工具有一定的指导作用。

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