On 31 December 2012, Kulluk drifted aground after the towing line to the icebreaking anchor handling tug supply vessel Aiviq parted in heavy weather. While the rig was recovered, it was irreparable and was scrapped in March 2014.OverviewKulluk was an ice-strengthened that was used for oil exploration in the Arctic waters. She was constructed by in in 1983 and operated in the Canadian Arctic until 1993. .
From 1983 to 1993, the rig was operated by in . She was mothballed in 1993, and in 2005 she was acquired by and underwent intensive refurbishment. In January. .
Kulluk was strengthened against ice with 3 in (76 mm) thick, reinforced steel, and a funnel-shaped with flared sides enabling her to operate in Arctic waters as moving ice was deflected downwards and was broke. [pdf]
When drilling through rock, the right HDD tool is the difference between an easy (well, "easy for HDD) job and hours of wasted time. Here’s what you need to know about the types of rock bits on the market. [pdf]
Every trenchless construction project has unique ground conditions. A geological survey uncovers the specific characteristics and helps engineers to identify the best tools for the job at hand. Fly cutters and larg. [pdf]
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