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United Marine's UM 250 Rig Design incorporates upgrades and larger
drilling load capacities into a proven design with four decades of service.
The UM 250 is a mobile, mat-supported, self-elevating offshore drilling unit
with cantilevered skid unit. The design is capable of operating in water
depths up to 250 feet and in a wide range of bottom conditions.
The UM 250 eliminates the need for time consuming pre-loading procedures
going on location, or leg pulling delays getting off location.
| Nominal Dimensions |
Platform, ft
Mat, ft
Columns:
Number & Type
Size, each |
166 x 145 x 20
236 x 205 x 11
3 cylindrical
13 ft 0D x 321 ft |
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| Nominal Capacities |
Drilling Water
Fuel Oil
Potable Water
Liquid Mud
Bulk Mud & Cement
Bag Storage
Pipe Racks
Quarters
Max. Variable Load
Max. Moving Variable Load |
6,150 bbl
2,200 bbl
1,100 bbl
1,500 bbl
6,800 cu ft
3,600 sacks
1,200,000 lb
57 men
2,250 tons
1,850 tons |
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| Operating Conditions |
Still Water Depth, ft
Max. Wave Height, ft
Wave Period, sec
Design Wind Velocity, knots
Minimum Air Gap, ft |
225
60
15
100
44 |
250
33
10
70
25 |
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