Offshore crude oil extraction broadcasts be primarily twain types fixed installations structures and mobile installation structures. My presentation will be solely on the mobile structures. I will movement to give a brief explanation of the two types of platforms.
determined platform rigs ar installed on declamatory offshore platforms and stick around in place for many years. The fixed platform rigs argon built on concrete and steel legs anchored directly onto the seafloor. An oil rig, or oil platform, is a large processing meat that is able to extract oil from the Earth, refine it, and distribute it end-to-end the world. (Tech-FAQ) Fixed platforms are for installations in water depths up to d meters.
Mobile structures include mobile rigs and oil production ships. The mobile rigs that I will be doing my analysis on are drilling ships which currently operate worldwide. These drilling ships are maneuverable and fucking move under their own power. These types of rigs are not as stable as other mobile rigs but they are equipped with the latest technology and they can cover large spans of water. The ships position is determined very accurately by pith of satellite signals, land based signals or from underwater asdic beacons.
The output from these devices is linked to the ships propulsion system and continual adjustments by computer are made so as to keep open the ships position. These ships are used for many purposes including drilling for oil and shove along or taking sub seabed core samples. (Knode, fourth Quarter 2000)
Accidents are the main cause of losses in the offshore drilling industry. These accidents can cause loss of sprightliness and injuries to the personnel on the platforms. However, since it is known that offshore oil platform is a dangerous and unpleasant working place. The wages of these race is usually high to compensate for adverse working conditions. The situation stands that most of the tasks carried out require skills and specific training.
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