you're not making any sense. Petrobras owns the rights to well, Petrobras may even operate the rig but there can be hundreds of third party service providers on the Petrobras offshore rig. I shared some links to a few contracts awarded by Petrobras to third party service providers in the last 12 months, i encourage you to educate yourself.
The Investor Relations website contains information about Halliburton's business for stockholders, potential investors, and financial analysts.
ir.halliburton.com
Aker Solutions was awarded a large[1] framework agreement from Petrobras to provide subsea lifecycle services for Petrobras-operated oil and gas fields offshore Brazil. The agreement has a fixed period of three years and includes an optio …
www.akersolutions.com
The Investor Relations website contains information about Baker Hughes's business for stockholders, potential investors, and financial analysts.
investors.bakerhughes.com
Petrobras has awarded Subsea 7 a ‘very large’ contract to deliver subsea equipment for the Mero-3 field development offshore Brazil.
www.offshore-technology.com
The Houston-based companies made the best bids in a Petrobras tender related to the Búzios offshore field.
www.bnamericas.com