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本文介绍了定向钻进系统的最新进展,以及它在许多方面的应用,其中包括煤层内瓦斯抽放,采空区瓦斯抽放,煤层气商业回收等。这里介绍的均为REI钻进公司在定向钻进方面的应用。
This paper introduces the latest progress of directional drilling system and its application in many aspects, including gas drainage in coal seam, gas drainage in goaf and commercial recovery of coalbed methane. Here are the REI drilling company in directional drilling applications.