how much does it cost to drill offshore
The average cost for offshore rigs can be as much as 15 to 20 times greater than the average cost for land rigs. The least-expensive offshore rigs typically cost nearly $200 million.The average price for offshore oil-drilling rigs is approximately $650 million.The Brazilian energy company Petrobas, in a plan to replace leased U.S. and European rigs with its own fleet of offshore floating rigs, recently began producing offshore rigs estimated to cost up to $900 million each.he average cost for offshore rigs can be as much as 15 to 20 times greater than the average cost for land rigs. The least-expensive offshore rigs typically cost nearly $200 million.