The Mexican state-led company also estimated the field would reach a "plateau" of 120,000 barrels of oil per day by 2025.
BHP Billiton won the right to operate the discovery with a 60% stake via a public auction late last year, bidding $624 million for the opportunity.
The new partners are to sign contracts to close the deal in March 2017.
Total investment for the project is expected at $11 billion.
"Investment
