India-based drilling contractor Aban Offshore has received a letter of award from India’s Oil and Natural Gas Corporation (ONGC) for one of its drillships.

Aban said on Friday that the company received the letter for the deployment of the drillship Aban Abraham for a firm period of two years.

According to Aban Offshore, the expected revenues from the contract will be an estimated $87 million.

The deployment of the Aban Abraham is expected to start during the fourth quarter of 2016.

The unit was originally built in 1976, and upgraded in 2009. The vessel has a drilling depth of 25,000 ft with a variable load capacity of 8.948 Mlbs.