Constellation

Constellation Oil Services focuses on oil and gas industry development via offshore drillships and semisubmersible rigs of up to 12,000 ft of water depth and onshore rigs.

News

Courtesy Constellation
Gold Star offshore rig
Under the terms of the extensions, Constellation Oil Services will implement managed pressure drilling and drill pipe riser upgrades and drillfloor safety improvements on the ...
April 2, 2026
Courtesy Petrobras News Agency
Petrobras contracts Constellation for P&A of shallow-water wells offshore Brazil
Petrobras has contracted Constellation Oil Services Holding for P&A of shallow-water wells in the Sergipe, Alagoas, Ceará and Potiguar basins offshore Brazil.
April 1, 2025
Courtesy Constellation Oil Services
Constellation announces contract extension for Atlantic Star rig
The semisubmersible rig will continue P&A activities for Petrobras for an additional period of up to 301 days.
Dec. 26, 2024
Courtesy Constellation Oil Services
Constellation's Amaralina Star drillship
Constellation Oil Services has been awarded a new contract with Petrobras for the deployment of the ultradeepwater Amaralina Star drillship for operations offshore Brazil.
Dec. 19, 2024

Articles

Courtesy HMH
hmh_bop
Risk-sharing partnership model said to be unprecedented in Brazil.
Jan. 12, 2024
Courtesy Constellation
Constellation's Alpha Star is an ultra-deepwater DP semisubmersible drilling rig that started operations in July 2011.
The scope of work for Petrobras includes drilling, completion and workover of wells in water depths down to 2,400 meters.
Sept. 28, 2023
(Courtesy Constellation Oil Services)
The ultra-deepwater drillship Laguna Star was delivered in 2012.
Petrobras has awarded the Constellation Oil Services ultra-deepwater drillship Laguna Star a three-year contract.
July 8, 2021