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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For the reserves are the ores that we have drilled, tested, measured, weighed, baked a fluffy cake out of and know that we can mine with current technologies, at current prices, and still make a profit doing so.

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