Utilize the input text as a context reference, choose the right relationship between 'Transocean' and 'Deepwater Horizon' from the options.
Options: creator, brand, headquarters location, owner of

BP also settled with Transocean Ltd (RIGN.VX), which owned the Deepwater Horizon drilling rig, and Halliburton Co (HAL.N), which worked on the Macondo well.
owner of