cost of offshore rig
International land rigs, designed to meet a wider range of specifications that vary from one country to another, generally range from $25 million to $40 million. 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.nternational land rigs, designed to meet a wider range of specifications that vary from one country to another, generally range from $25 million to $40 million. The average cost for offshore rigs can be as much as 15 to 20 times greater than the average cost for land rigs.