Nearly 80 years after kicking foreign energy companies out of the country, the government is offering 14 blocks in shallow waters of the Gulf of Mexico worth an estimated USD 17 billion in total.
The yesterday's auction is the climax of President Enrique Pena Nieto's top economic reform, which was enacted last year after a heated debate in Congress, with leftist parties warning against giving up a symbol of national sovereignty.
The daylong event could give Pena Nieto's administration a brief break from the embarrassing fallout of the weekend jailbreak of the country's most powerful drug lord, Joaquin "El Chapo" Guzman, his second escape in 14 years.
Energy Minister Pedro Joaquin Coldwell said the estimate was in line with international experience.
"We won't squander the nation's oil resources," he said.
Analysts say the sharp drop in global oil prices in the past year have affected the plans of energy companies.
Raymundo Tenorio Aguilar, an energy expert at the Monterrey Institute of Technology, said Iran's nuclear deal Tuesday with world powers could also affect the auction.
The accord will lift sanctions on Iran's oil export, adding 1.5 million barrels of crude per day in the market, causing prices to fall further, Tenorio said.
But David Shields, an industry analyst and director of the magazine Energia a Debate, said he expected a bigger bonanza.
"I think that there will be interest from many companies that want to be the first to have a foothold in Mexico," Shields told AFP.
Seven consortiums and 18 individual companies have qualified for the auction.
US giants ExxonMobil and Chevron, Anglo-Australian firm BHP Billiton, India's state-run ONGC Videsh Ltd, Russia's Lukoil, France's Total and Chinese-owned Nexen are among the firms bidding individually.
The legislation breaks the monopoly on drilling held by state-run firm Pemex since the industry's 1938 nationalisation.
