WilPhoenix

Technical Specifications

 

Name:                                  WilPhoenix

Flag:                                    Vanuatu

Owner:                                WilPhoenix (Malta) Ltd.

Manager:                             Awilco Drilling PLC.

Previous Name(s):             Vinland; Maersk Jutlander; Jutlander; GSF Arctic II; Arctic II

Year built:                           1982

Builder:                               Gotaverken Arendal, Sweden

Design:                               Friede&Goldman L-907 Enhanced Pacesetter semi-submersible

Classification:                    DnV 1A1 column stabilised drilling unit

 

MAIN DIMENSIONS

 

Length:                               308 ft

Breadth:                             200 ft main deck

Depth:                                120 ft keel to main deck

Columns:                           4 x corner column, 35 ft diameter with stability boxes 3.8 mts L x 6.8mts W and length of columns; 2 x centre column, 35ft diameter

Pontoons:                         2 x 260 ft x 50 ft wide x 25ft deep with sponsons 1.5mts W x 7.32 mts Hx48mts L

 

DRAFT AND DISPLACEMENT

 

Operation Draft:                    64 ft

Transit Draft:                         25 ft

Survival Draft:                       50 ft

Operation Displacement:     26,353 ton

Transit Displacement:          17,556 ton

 

MACHINERY

 

Main Power:                      4 x Nohab F312 12-cylinder diesel with maximum continuous power 2652 hp with 4 x Siemens 1808 kW ac generator

Power Distribution:          8 x Siemens SCR power unit, 720V dc, 1200amp; 4 x Sundberg AB transformer 1200 kVA; 3 x Sundberg AB transformer 875 kVA

Emergency Power:           1 x MAN/D2542 MLE 401 kW diesel driving a Siemens emergency generator set

 

OPERATING PARAMETERS

 

Water Depth:                        1200 ft

Maximum drilling Depth:    25000 ft

Survival Conditions:           Wind: 100 knots; wave height: 100 ft; period: 13.5 sec; draft: 65 ft

Drilling Conditions:             Wind: 60 knots; wave height: 50ft; period 10 sec: draft: 47ft

Design Conditions:             Max wind speed: 100 knots; max wave height: 100 ft

 

DRILLING EQUIPMENT

 

Derrick:                              Dreco 195x40x40ft, 1,250,000 lb static hook load with 14 lines; Crown block: Maritime Hydraulics, 650 ton

Drawworks:                       National 1625 UDBE 3000 hp with 3 x GE 752 motors & disc brake and a Baylor 7838 auxiliary electric brake

Rotary:                               Ideco 49 ½ in hydraulic motor driven, non-drilling

Top Drive:                         Maritime Hydraulics DDM-650-HY-C-359, 570 ton, continuous drilling  torque rating of 40,450 ft/lb

Travelling:                         Ideco integral block, 750 st

Riser Tensioners:             8 x 80,000 lb NL Shaffer 50 ft line travel

Guideline Tensioners:      4 x16,000 lb NL Shaffer, 40 ft line travel

Pod tensioners:                 NL Shaffer 2 x16,000 lb, 40 ft travel

Motion Compensators:     Motion compensator with Travelling Block: Maritime Hydraulics MH  1659 Compensated capacity 540,000lb

Cementing:                        Schlumberger remote operated

Mud Pumps:                      2 x Ideco T-1600, 1600 hp triplex, each driven by 2 x Siemens dc motor, rated to 5000 psi with plungers and high pressure liners; 1xNational Oilwell 12-P-160 1600 hp triplex driven by 2 x GE 752 dc traction motor, rated to 5000 psi with plungers and high pressure liners

 

CAPACITIES

 

Variable Deck Load:         4167 Tonne

Bulk Mud/Cement:            3778/5777 ft³

Liquid Mud:                       1743 bbls

Sacks:                                6000 sacks (100 lb ea)

Drillwater:                          13,737bbls

Potable Water:                  332 Tonne

Fuel Oil:                             8013 bbls

Others:                               Base Oil 3711 bbls
                                            Brine 2016 bbls

 

SUBSEA SYSTEMS

 

BOP:                                  2 x 18^3/4 in Shaffer SLX double ram preventer, 15,000 psi; 1 x 18^3/4 in Shaffer annular preventer, 10,000psi; 1x18^3/4 in Shaffer annular preventer, 5000 psi

Control System:               1 x 1190 gallon, 3000 psi air/electric powered BOP control system with three control panel

Riser Details:                    1200 ft x Regan FC8 21in od ½ in wall thickness

Diverter:                            Regan KFDS-3, 23in nominal size diverter with Regan DR-1 ball joint; All H2S and HPHT service

Drillpipe:                           As required

Drillcollars:                       As required

Choke and Kill:                Choke and kill manifold 2 9/16 in API bore 15,000 psi wp

MOORING                        Winches:     4 x Norwinch 2A-76-2 E1-hydraulic double winch
                                          Wire/Chain:  8 x 4250ft x 3in K4 anchor chain
                                          Anchors:       8 x 12 te Stevpris MK6 with chain chasers

 

CRANES:                          2 x Liebherr, 120ft boom, 29.5 Tonne (33 st) at 31 ft radius; 1 x Liebherr 80 ft boom, 49 Tonne (55st) at 31 ft radius

 

HELIDECK:                       S-61N, 85 ft x 87 ft

 

MOONPOOL:                    75 ft  x  20 ft

 

ACCOMMODATION :       110 berths - 2 man cabins- extensive additional offices,

                                           as a result of 2010 upgrades

 

ADDITIONAL DATA:         Solids control:       4 x Derrick 626 Dual Pool Shakers. STEP

                                            automated mud mix system.

Safety equipment:             Lifesaving and fire-fighting equipment in accordance with

                                            Danish  Maritime Authority, UK DOE/DOT, Canadian Coast Guard

                                            regulations  and IMO MODU code. 
                                           

 

 

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