Definition(s)
Mobile offshore unit (MOU)
A vessel which can be readily relocated to perform an industrial function related to offshore oil, gas, or sulphur exploration or exploitation. Such vessels include mobile offshore drilling units (MODUs), lift boats and other units involved in construction, maintenance (including the maintenance of wells) and lifting operations associated with offshore facilities. Mobile offshore units normally do not include vessels such as: supply vessels, standby vessels, anchor handling vessels, or seismic survey vessels.
Source: API RP 75, Recommended Practice for Development of a Safety and Environmental Management Program for Offshore Operations and Facilities: Upstream Segment, Third Edition, May 2004. Global Standards
MOU
Structure intended to be frequently relocated to perform a particular function. [ISO 19900:2002] EXAMPLE Pipelaying vessel or barge, offshore construction structure, accommodation structure (floatel), service structure, or mobile offshore drilling units.
Source: ISO 19901-7:2013, Petroleum and natural gas industries – Specific requirements for offshore structures – Part 7: Stationkeeping systems for floating offshore structures and mobile offshore units. Global Standards
Mobile Offshore Unit
Structure intended to be frequently relocated to perform a particular function. [ISO 19900:2002] EXAMPLE Pipelaying vessel or barge, offshore construction structure, accommodation structure (floatel), service structure, or mobile offshore drilling units.
Source: ISO 19901-7:2013, Petroleum and natural gas industries – Specific requirements for offshore structures – Part 7: Stationkeeping systems for floating offshore structures and mobile offshore units. Global Standards
MOU
Mobile offshore unit.
Source: ISO 19901-7:2013, Petroleum and natural gas industries – Specific requirements for offshore structures – Part 7: Stationkeeping systems for floating offshore structures and mobile offshore units. Global Standards