Barge Engineer ($89,000) is in charge of control room operations his next in command is;
Control Room Operator (CRO) ($65,000) followed by the entry level personnel;
Assistant CRO (ACRO) ($59,000) Certified seamen from Able to Master Seamen are among the many Mariners on oilrigs,
as a result of legislation defining certain Rigs as ships.
In the control room of Semi-Submersibles the stability of the rig is controlled. Liquid transfers
like diesel and fresh water from supply
boats to the rig storage tanks are also controlled here.
It is also the control area when the vessel is moving location.