This project is a coastal port project in Qatar. The diameter of the drilling hole is 600mm. The main construction stratum is limestone with a depth of 11m. The time to complete a pile is 120 minutes. The rotary drill rig is built on a pontoon bridge, which is not very stable. The drill bit uses a coring barrel drill. Under the premise of meeting the construction requirements, the features of KR125 rotary drilling rig, being dexterous in control, light in body is very suitable for this kind of project construction.
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