在不同的地质环境中，使用不同的岩心钻进方式，可以保证地质勘探工作的顺利进行。
To use different core drilling method in different geological environments can ensure the smooth progress of geological exploration work.
根据勘探工程钻进的特点，研制开发了一种新型的金刚石钻头。
According to the character of drilling in exploration engineering, we have manufactured a new pattern diamond bit.
高压水射流径向水平孔钻进技术是水平孔施工技术之一，它是在垂直瓦斯抽放或煤层气勘探钻孔布置机械或水力扩孔装置，对准选定的煤层部位进行扩孔。
As one of radial horizontal drilling techniques, high pressure water jet drilling technology is capable of using mechanical or water jet apparatus to make a cavity at the selected coal seam.
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