YG series well drilling rig is a kind of lightweight, efficient, multi-functional drilling equipment. With wheel, easy to move and saves operation cost. With ball clamping mechanism instead of chuck, enables implement non-stop down rod.
[pdf] Built for mobility and precise down-the-hole drilling in small to mid-scale construction sites, JC710 offers a balanced combination of compact design, efficient power transmission, and stable hole-forming performance.
[pdf] Jackup rigs are so named because they are self-elevating with three, four, six and even eight movable legs that can be extended (“jacked”) above or below the hull. Jackups are towed or moved under self propulsion to the site with the hull lowered to the water level, and the legs extended above the hull. The hull is actually a water-tight barge that floats on the water's surface. When the rig reaches the work site, the crew jacks the legs downward through the water and int.
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