Drilling Rig ZAGREB 1
Modu Column Stabilized drilling unit: Semi-Submersible drilling unit Repair/upgrading services carried out in the first half of 2011.
DESIGN:
IFP - F Neptune - Pentagone - 91
Year of construction: 1977
Builder: Dunkerque shipyard, France
Year of upgrade: 1998/99; 2008
CLASS:
Lloyd’s Register of Shipping
MAIN DIMENSIONS:
Length overall: 103,4 m
Width overall: 106,3 m
Height overall: 110,6 m
Height from keel to main deck: 40,5 m
Main deck width: 28 m
Main deck length: 44,2 m
Diameter of main columns: 8,5 m
Diameter of pontoons: 22 m
Height of pontoons: 7,5 m
MOORING EQUIPMENT:
Ten (10) main anchors
Nine (9) piggy back anchors
Ten (10) anchor winches Brissonneau & Lotz
Driven by el. Motors 20 x 77 kW, 125 t rated pull LS, 351 HS
POWER PLANT:
Diesel engines: five (5), Cat 3516 Dl, 5x1, 550 HP
Generators: five (5), Cat SR-4, 5x1,400 kW, 600 V,
3 phase, 60 Hz
SCR System: seven (7) S&S Powerdrill 2000
Emergency power generator:
Cat CAT.3508 TA, 600 kW, AC - 560 kVA,
Drilling Rig ZAGREB 1
Modu Column Stabilized drilling unit: Semi-Submersible drilling unit Repair / upgrading services carried out in the first half of 2011.
440 V, 800 A
PERFORMANCES:
Maximum water depth: 450 m
Maximum drilling depth with DP 5”: 6000 m
Drilling draught: 22 m
Transit draught: 7,5 m / 16 m
Survival draught: 16 m / 18 m
STORAGE CAPABILITIES:
Fuel: 804 m3
Drilling
water: 804
m3 Potable
water: 514 m3
Liquid mud:
401 m3
Main deck width: 28 m
Bulk mud: 180 m3
Bulk cement: 180 m3
Pipe racks max. capacity: 700 t
HELLICOPTER DECK:
Accomodates Sikorsky S-61
LIVING QUARTERS:
95 as Drilling Rig
DRILLING EQUIPMENT:
Derrick: U.I.E. all bolted, height: 56m, base: 11x11m
Hook load capacity: 476 t
Drawworks: Gardner Denver - 3000 E, 3000 HP,
3x J. Schneider CNF570 590 kW each
Rotary table: National C-495, 49 1/2”, independent drive
Top drive: Varco TDS 4S, capacity: 650 t
Mud pumps: three (3), Emsco triplex FB 1600
Shale shakers: 4 x Brandt Linear Motion VSM 300
Mud cleaner: Swaco 6T x 4
Degasser: Swaco
Marine riser: Cameron RF Type 21” OD x 0.625” wall 50 ft long
Riser tensioners: 6 x 60000 lbs Rucker Shaffer
& 4 x 80000 lbs Rucker Shaffer
Guide line tensioners: two+four (2+4), Rucker Shaffer ext. life
model, nom. capacity each 7.25 t
Drilling string motion compensator: Rucker Shaffer type
18/400R-BO-E
BOP STACK DESIGN:
BOP Stack 18 3/4” - 10,000 psi H2S service - collet connectors
with H-4 profile - Cameron triple type “TL” - Cameron “D”
dual annular
ACCUMULATOR DESIGN:
Cameron, type bladder, triplex pump (1),
air driven pumps (4)
CEMENTING UNIT:
Halliburton, model Twin HT-400
