ExxonMobil has added a third drillship to its Guyana basin as the US based oil major ramps up exploration activities.“Following the close of the second quarter, the drillship Noble Tom Madden was awarded a contract for work offshore Guyana, which includes two firm wells, plus three optional wells. Re-activation of the rig from its warm stacked status has begun, with the contract expected to commence in October 2018,” said offshore drilling contractor, Noble Corporation in its second quarter report.The Noble Tom Madden is currently moored in an area in the Gulf of Mexico just south of New Orleans in the United States where rigs not in use are stored. With a lot of capacity in the industry, many drill ships are currently warm stacked or cold stacked awaiting contracts.This will be Noble’s second rig under contract to ExxonMobil in the Guyana basin. Developing Liza Field The Noble Bob Douglas is currently developing the Liza 1 Field for production with first-oil expected by early 2020. ExxonMobil says it has 19 targets to drill in what has become a world-class oil field. To date, ExxonMobil has made eight discoveries out of 10 wells drilled and total reserves to date now stand at 4B barrels.Oil production is planned to begin in early 2020 with revenues for the country to begin being used for development projects soon after. Local operator ExxonMobil’s affiliate, Esso Exploration and Production Guyana Limited (EEPGL) is operator of the Stabroek Block, holding a 45 percent interest, Hess Guyana Exploration Ltd. holds 30 per cent interest and CNOOC Nexen Petroleum Guyana Limited holds 25 per cent interest.Noble owns and operates one of the most modern, versatile and technically advanced fleets in the offshore drilling industry. Noble performs, through its subsidiaries, contract drilling services with a fleet of 24 offshore drilling units, consisting of 12 drill ships and semisubmersibles and 12 jackups, focused largely on ultra-deep water and high-specification jackup drilling opportunities in both established and emerging regions worldwide.