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New Delhi, Feb 18 (IANS) State-run explorer Oil and Natural Gas Corp (ONGC) said Monday it has drilled the world's deepest well by an offshore rig at a water depth of over 10,300 feet off India's east coast.
"ONGC's chartered-hired ultra-deep water drillship DDKG1 has set a world record for drilling well in deepest water depth by an offshore drilling rig," the company said in a statement here.
According to ONGC, the rig DDKG1 spudded (drilled) well number NA7-1 in exploratory block KG-DWN-2004/1 on the east coast, at a water depth of 3,165 m (10,385 feet) on Jan 23.
The rig,charter-hired from Transocean, thus surpassed its own earlier record of 10,194 feet water depth, set in 2011 by DDKG2 working for Reliance Industries, also on the east coast.
After drilling, the drill-ship successfully lowered and latched a sub-sea BOP (blow out preventer) on the wellhead on Feb 9 to drill further to a total depth of 5,625 m, ONGC said.