The result, published on the Mexican government's procurement website, showed IPC edging out service giants Halliburton and Schlumberger.

The Burgos basin is the most important Mexican province for non-associated gas, with the region accounting for 22% of domestic gas production.

Pemex has tried to attract foreign companies to multiple service contracts, with limited success.

IPC won a $900 million contract to provide multiple drilling and gas field development services on the Burgos basin's Pandura-Anhuac block in 2005.

Analysts