About Longnan Electric Linked Down-the-Hole Drilling Rig
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4 FAQs about [Longnan Electric Linked Down-the-Hole Drilling Rig]
How long did it take to drill a 12,000 ft hole?
The original estimate for completion of a 12,000-foot hole was 30 days using the conventional rotary technique, which was reduced to 13 days using the DTH method. Before DTH was used, drillers would typically case the vertical portion of the well and convert to rotary drilling to drill at a tangent.
How do I design a longhole drill plan?
The longhole drill plan design can be done using Deswik UGDB. The plan is sent to the i-Series longhole drills directly or through Sandvik DrillConnect when connectivity is limited. Operating manuals and spare parts can be found on the My Sandvik customer portal.
What is a blasthole rig & Drill?
Blasthole rigs and drills don’t need much explanation. They’re used for drilling a hole into the surface of the rock, packing the hole with explosives and then detonating those explosives in the blasthole to break up rock and hard minerals to make it easier to remove.
Why is DTH drilling better than rotary drilling?
DTH drilling is often favored over rotary drilling for its ability to penetrate hard rock formations more effectively. This method is also preferred when precision and accuracy are crucial, as the hammer impact allows for a controlled and consistent drilling process.


