HAKURYU-5
HAKURYU-5, a twin lower hull, column stabilized, propulsion -
HAKURYU-5 In 2009, lower hull was upgraded by installing “deep dish” for life
assisted semi-submersible drilling unit was designed through the enhancement, structural improvement and increase of variable
engineering collaboration of Japan Drilling Co. and Mitsubishi Heavy load.
Industries and commissioned in July 1977 at Mitsubishi Hiroshima In 2014, accommodation was upgraded to 150 persons, deck
Shipyard. cranes were replaced with new ones with larger capacities, main
HAKURYU-5 is designed to perform drilling operations in maximum drilling & ship service equipments were renewed.
1,640 ft. of water with 3,900 m.tons of deck load,
DESIGN: DRILLING EQUIPMENT:
Mitsubishi MD 501, propulsion assisted semi-submersible drilling rig. Drawworks 1 set Continental-Emsco, Model C-3 type II, driven by
three 597 KW DC motor with sand line drum and
CLASS: ELMAGCO 7838 brake.
American Bureau of Shipping; Al M Column Stabilized Drilling Unit and AMS Self Derrick 1set Continental-Emsco dynamic design 160' x 40' x
Propelled Drilling Unit. 40' load capacity 1,333,000 lbs.
Travelling Block 1 set Continental-Emsco, type RA 60-6 capacity 580
I.M.O. MODU Code A414 for the construction and equipment of MODU. tons.
MAIN DIMENSIONS: Top Drive 1 set VARCO TDS-4S, Max. torque 45,500 ft-lbs, Max.
Length overall ...................................................................................................... 348' speed 205rpm, GE752 high torque DC motor,
1,100 HP with model PH-85 pipe handler.
Breadth overall (without anchor rack) .................................................................. 220'
Main deck elevation ............................................................................................. 123' Rotary Table 1 set Continental-Emsco, type T-4950 driven by one 600
Operational draft .................................................................................................... 74' KW DC motor.
Column diameter (without sponson) ..................................... 4 x 30' (bow and stern) Heave Compensator 1set NL Shaffer 500,000 lbs with 18'
......................................................................................................... 4 x 23' (midship) stroke with Airlock System.
Weight (Light ship condition) ................................................................ (17,033 tons)
Displacement (Drilling condition) ........................................................ (32,593 tons) Iron Roughneck 1 set NOV ST-120.
Helicopter deck .............................................. Capable for SIKORSKY S-61N & S92 BOP & RISER EQUIPMENT:
BOP Stack 1 set NL Shaffer 18-3/4" x 10,000 psi. standard
DESIGN CRITERIA: double ram type
Designed cruising speed ...........................................................3.5 knots (calm sea) 1 set NL Shaffer 18-3/4" x 10,000 psi. fabricated double
Max. operating water depth ................................................................. 1,640' (500m) ram type
Max. drilling depth ........................................................................... 29,527' (9,000m)
2 sets NL Shaffer 18-3/4" x 5,000 psi spherical type
STORAGE CAPACITIES: 2 sets Vetco 18-3/4” x 10,000 psi H-4 Connector.
Fuel oil........................................................................................................5,710 bbls BOP Control System 1set NOV/Koomey control system Model BD-60-60-3
Drill water ...................................................................................................8,308 bbls with accumulator unit 3,000 psi WP, one master
Potable water .............................................................................................3,510 bbls and one mini control panel.
Active mud .................................................................................................2,060 bbls
Reserve mud ................................................................................................. 630 bbls Riser pipe 34 pcs VETCO, 21" OD x 50' length x 5/8" wall thickness
Base oil storage .........................................................................................2,580 bbls integral type with 6E connector, choke and kill lines
Bulk mud .................................................................................................. 9.956 cu.ft. (4"OD x .636”wall x 10,000 psi)
Bulk cement ............................................................................................. 9,956 cu.ft. Riser Pipe tensioner 12 sets NL Shaffer 80,000 lbs with 50'wireline travel.
Sack storage ............................................................................... (Area) 17,657 cu.ft. Guide line tensioner 4sets NL Shaffer 16,000 lbs with 40' wireline travel.
New Brine storage at Aft Column Sponson ...............................................1,900 bbls
Messenger line tensioner
MAX. GROSS VARIABLE LOAD (ON DECK LOAD): 4 sets NL Shaffer 16,000 lbs with 40' wireline travel.
Drilling condition.................................................................... 5,679 tons (3,900) tons MUD TREATMENT SYSTEM:
Towing condition ................................................................... 3,550 tons (2,800) tons
Mud pump 3 sets Continental-Emsco, FB-1,600 triplex mud pumps,
ACCOMMODATION: each driven by two 560KW DC motors.
Air conditioned three-storied cabins for 150 persons. Shale Shakers 3 sets NOV VSM 300
POWER EQUIPMENT: Mud Cleaner 1 set NOV VSM 300 Shale Shaker with
Mud Cleaner Header Unit
Main Generator 4sets 2,000 KVA, AC 600 V, 60 Hz each driven
by 2,100 PS 720 rpm engine. Degasser 1 set DERRICK Vac-Flo, Model-1000
Emergency generator 1 set 500 KVA, AC 450 V, 60 Hz driven by 600 PS, AUXILIARY EQUIPMENT:
900 rpm engine. Deck crane 2 sets SeaTrax Marine Cranes,
PROPULSION EQUIPMENT: S10832 (stbd): 100.6 MT @ 21 m (deck lifts), 76 MT @ 17 m / 71.6 MT @ 21
2 sets 8 ft. dia. Mitsubishi-Kort nozzles and rudders m / 13.2 MT @ 52m (supply boat lifts) with 49 m boom
each driven by two 1,000 KW DC motors.
S9028 (port): 65.3 MT @ 21 m (deck lifts), 61.9 MT @ 13 m / 42.5 MT @
MOORING SYSTEM:
21 m / 11.9 MT @ 45 m (supply boat lifts) with 43 m boom
Anchors 8 sets 12 tonnes Bruce FFTS MK 4
Anchor Chains 8 sets ABS RQ3S, 5,400 ft. usable length of 3" chain B.O.P. crane 1 set Two hook type each 55 tons capacity.
Anchor Windlasses 4 sets Double drum Pulling capacity 210 tons x 30 Distilling unit 2 sets SASAKURA VVC-60L-EL, 60 m3/day each
ft/min, with automatic hydraulic brake for speed
controlling. Brake capacity 450 tons. Position Indicator: 1 set Sonardyne MRAMS/USBL
Address: Japan Drilling Co., Ltd.
SHIN-HORIDOME BLDG. 6F,
2-4-3 NIHONBASHI HORIDOME-CHO
CHUO-KU, TOKYO 103-0012, JAPAN
Tel:81-3-5847-5850 Fax: 81-3-5644-5702
