CATOFP

1. oil derrick/rig: a temporary mobile structure, either fixed or floating, used in the exploration stages of oil and gas fields. (IHO Dictionary, S-32, 5th Edition,
2. production platform: a term used to indicate a permanent offshore structure equipped to control the flow of oil or gas. It does not include entirely submarine structures. (IHO Dictionary, S-32, 5th Edition, 4037)
3. observation/research platform: a platform from which one's surroundings or events can be observed, noted or recorded such as for scientific study. (adapted from IHO Dictionary, S-32, 5th Edition, 3493/3500)
4. articulated loading platform (ALP): a metal lattice tower, buoyant at one end and attached at the other by a universal joint to a concrete filled base on the sea bed. The platform may be fitted with a helicopter platform, emergency accommodation and hawser/hose retrieval. (adapted from United Kingdom Hydrographic Office CSDO 607.2 (12), May 1994)
5. single anchor leg mooring (SALM): a rigid frame or tube with a buoyancy device at its upper end , secured at its lower end to a universal joint on a large steel or concrete base resting on the sea bed, and at its upper end to a mooring buoy by a chain or wire. (adapted from United Kingdom Hydrographic Office CSDO 607.2 (12), May 1994)
6. mooring tower: a platform secured to the sea bed and surmounted by a turntable to which ships moor. (adapted from United Kingdom Hydrographic Office CSDO 607.2 (12), May 1994)
7. artificial island: a man-made structure usually built for the exploration or exploitation of marine resources, marine scientific research, tidal observations, etc. (adapted from IHO Dictionary, S-32, 5th Edition, 240)
8. floating production, storage and offloading vessel (FPSO): an offshore oil/gas facility consisting of a moored tanker/barge by which the product is extracted, stored and exported. (adapted from United Kingdom Hydrographic Office CSDO 607.2 (13), May 1994)
9. accommodation platform: a platform used primarily for eating, sleeping and recreation purposes.
10. navigation, communication and control buoy (NCCB): a floating structure with control room, power and storage facilities, attached to the sea bed by a flexible pipeline and cables.