Japanese giant Inpex has signed on Transocean's semi-submersible Jack Bates to drill two wells off Australia.
Transocean revealed in its fleet status report that it had been awarded the contract which will see Inpex use the rig to drill two wells between February 2015 and July 2016, at a day rate of $420,000.
It is understood the rig will be used as part of Inpex's planned three-well campaign off Australia.
Inpex is currently planning to drill wells in Blocks WA-341-P and WA-343-P, where it is partnered by French company Total, and on Block AC/P36 on behalf of co-venturer Murphy Oil.
The drilling programme will be aimed at assessing the economic potential of gas and condensate reserves contained within a Jurassic reservoir.
The contract is expected to add $59 million to Transocean's backlog.
The rig-owner also stated in its August fleet status report that its newbuild drillship Deepwater Asgard had started operations on a three-year contract at a day rate of $600.000.
While Transocean did not reveal the client or location of the rig, it is understood the Deepwater Asgard is working in Indonesia for US supermajor Chevron.
It is understood the rig is carrying out a development drilling contract at the Chevron-operated Gendalo Gehem project.
Transocean also revealed in August's fleet status report that its estimated 2014 planned out-of-service time increased by a net 28 days.
It also increased its estimated 2015 planned out-of-service time by a net 236 days due primarily to about 97 days associated with projects deferred from 2014 and 81 days on the semi-submersible Sedco Energy related to a special periodic survey.