V-887 Oil and Gas Support and Workover Liftboat
PRINCIPAL PARTICULARS | |
|---|---|
| LENGTH OVERALL (not including helideck) | 61 m |
| BREADTH OVERALL | 38 m |
| DEPTH OF HULL | 7 m |
| LENGTH OF LEGS (including pads) | 90.00 m |
| DEPTH OF PADS | 1.5 m |
| WIDTH OF PADS | 8 m |
| LENGTH OF PADS | 12.00 m |
| AMT OF USABLE LEG BELOW HULL (incl. pads) | 67 m |
| MIN. LEG LENGTH BELOW HULL - SHALLOW TRANSIT | 0.0 m |
| CL OF FORWARD LEGS TO CL OF AFT LEGS | 31.00 m |
| CL OF PORT LEGS TO CL OF STBD LEGS | 30.00 m |
| LOAD LINE DRAFT | 4 m |
| LOAD LINE DISPLACEMENT (pads flooded) | 17,042 kips |
PROPULSION | |
| PROPULSION POWER | 2,400 Hp |
| DESIGN SPEED (calm water) | 5 knots |
| BOW THRUSTER | 800 Hp |
QUARTERS | |
| TOTAL ACCOMMODATIONS | 114 Persons |
| NUMBER OF 1 PERSON ROOMS | 12 |
| NUMBER OF 2 PERSON ROOMS | 18 |
| NUMBER OF 4 PERSON ROOMS | 13 |
| OFFICES | 5 |
| HOSPITAL BEDS | 2 |
CAPACITIES | |
| SALT WATER | 6,663 bbl |
| FUEL OIL | 3,417 bbl |
| LUBE OIL | 15 bbl |
| DRILL WATER | 1,828 bbl |
| POTABLE WATER | 2,286 bbl |
| WASTE OIL | 262 bbl |
| CONTAMINATED DRAIN | 296 bbl |
| LIQUID MUD/BRINE | 1500 bbl |
| SACK STOWAGE | 110 kips |
MAJOR EQUIPMENT |
PRIME MOVERS
4 - Turbo-charged and after-cooled engines, each rated at 1,900
mechanical kW at 1,800 rpm. Each engine is fitted with a 1,820 electrical kW, 690 VAC generator
Generator.
1 - Emergency diesel generator with a 300 electrical kW, 450 VAC generator.
BOW THRUSTERS
1 – Fixed-pitch transverse thruster, thrust at 0.0 knots = 120 kN;
propeller diameter = 1,750 mm; powered by 800 Hp 690 VAC electric motor with variable
frequency drive, with auxiliary equipment and controls suitable for DPS-0 operation.
STERN STEERABLE THRUSTERS
3 – Fixed-pitch steerable thrusters, thrust at design speed of 5.0 knots
= 82 kN; propeller diameter = 1,397 mm; powered by 800 Hp 690 VAC electric motor with
variable frequency drive, with auxiliary equipment and controls suitable for DPS-0 operation.
ANCHORING EQUIPMENT
2 – Anchor windlasses each with 157.5 fathoms of 2 5/8 inch diameter, grade 2 stud link chain.
3 – 12,400 pound anchors (one spare).
4 – Anchor winches with cable drums and anchors for positioning at platforms.
CRANES
1 – Port crane, pedestal type crane rated SWL 22T with 100 foot boom.
1 – Stbd crane, pedestal type crane rated SWL 22T with 100 foot boom
DRILLING MUD SYSTEM
1 – Duplex 1,300 Hp, 7,500 psi mud pump
Mud pits with mud mixers
Mud mixing pump, mud charging pump, etc.
JACKING SYSTEM
Electrically powered jacking system composed of 40 jacking units.
Each jacking unit powers 2 load-sharing elevating pinions arranged in sets – 10 high at each of the four legs. Each jacking unit is driven by a 64 kW, 575 V two-speed electric motor.
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