Since 2003, HardRock Infrastructure Services has been taking on the kinds of projects others will not touch. What started with one man, one rig, and a pocketful of credit cards quickly evolved into one of the top providers of horizontal directional drilling (HDD) services in the United States.
[pdf] There are many different types of drill bits, each designed for a specific purpose. However, the main factor determining which drill bit to use on rock is the hardness of the material. The harder the rock, t.
[pdf] Ural Siberian Industrial Company (USIC) – Russian manufacturer of completed drilling rigs for production and exploration drilling. Additionally, USIC manufactures drilling rigs components and units, as well as modernizes drilling equipment.
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