XZ5500 Horizontal Directional Drilling works for Malaysia undersea cable project. This project is extremely difficult, it will cross the bay estuary Lumut, Malaysia, requires pipe diameter for 610mm, maximum reaming diameter f900mm, across the length of 1250m, the maximum distance from sea level through the depth of 26m. Due to geological conditions for sand and silt layers staggered, more complex geological conditions, casing is needed when guide construction, casing program uses large casing and small casing together, the large casing is mainly used for locate the small casing and isolate the sea water.When dragging pipe welding need four times due to longer downtimes. When welding we need to perfusion slurry into the hole 5 minutes in a 20 minute interval.XZ5500 horizontal directional drilling will work smoothly under the guidance of technical staff.
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