# The new generation **ultra deepwater development semi-submersible**  

# Ultra Deepwater drilling and D evelopment**MÆRSK DELIVERER** On her way to a drilling assignment offshore West Africa. MÆRSK DELIVERER is the third in a series of three ultra deepwater development semi-subs delivered to Maersk Drilling in 2009 and 2010. The Dynamically Positioned rigs are designed for year round operations at water depths up to 3,000 m.

### TYPE D P S2/M, Column stabilised dynamically positioned semisubmersible drilling rigs with capability to attach to an 8-point pre-installed mooring system; provisions to attach to a 12-point pre-installed mooring system 

### BUILT KeppelF EL S, Singapore 

### CLASS A merican Bureau of Shipping 

### FLAG Denmark/Singapore 

### W **ater dept**  **h** 3,000 m (10,000ft)



# T **H E MAIN FEATURES OF**  **T H**  **E RIGS INCLUDE :**  **Capabilities for deepwater field development activities :** 

• E xploratory, appraisal and development drilling

• Batch drilling and completion of multiple well clusters

• Installation of subsea facility components **Efficiency for all development activities :** 

• Derrick – 1,361 t (3,000 klbs) combined load rating Max. 2,500 klbs single load rating

• Main hoisting system – 910 t (2,000 klbs) capacity

• A uxiliary hoisting system – 680 t (1,500 klbs) capacity

• L arge heave compensated knuckle-boom crane (165 t lift capacity from deck to deck) with winch for deployment of subsea trees and other components up to 100 t over the side of the rig to 3,000 m water depth **H SE and work environment**  **:**

• L arge 5-chair driller’s cabin with automated sequenced pipe handling operations

• A utomated and dust-free bulk, mud and chemical transfer and mixing systems

• Hydraulic work baskets and service platforms providing safe access for servicing of major drilling equipment

• Deck drainage, containment and treatment systems for controlled discharge Maersk Drilling is a considerable player in the ultra deepwater market with four newbuilding drillships and three U LTRA DEEP W ATER DEVELOPMENT S EMI -SUB MER S I B LE S

. The three semi-subs are D P rigs designed for year-round operation in areas such as Brazil, the Gulf of Mexico, W est A frica and A sia pacific at water depths down to 3,000 m (10,000 ft). 

# Ultra d eepwater **drilling and**  **development DIMENSIONS**  **IMPERIAL METRIC**  **Length overall** 384 ft 117 m **Length of pontoons** 376 ft 115 m **Pontoon breadth & height** 57 ft & 33 ft 18 m & 10 m **Columns** 55 ft x 57 ft 17 m x 18 m **Length & breadth of upper hull** 259 ft x 258 ft 78.5 m x 78 m **Moonpool opening** 100 ft x 30 ft 31 m x 9 m **Draft operational (max/min)** 67.25 ft / 60.7 ft 20.5 m / 18.5 m **Draft transit** 31.8 ft 9.7 m

**OPERATIONAL CRITERIA* (drilling)** **IMPERIAL METRIC**  **Water depth (moored in less than 1,640 ft/500 m)** 328 ft – 10,000 ft 100 m – 3,000 m **Wind speed** 50 knots 26 m/s **Wave height [ H**  **s]** 22 ft 6.8 m **Wave period** 11 s 11 s **Surface current** 1.55 knots 0.8 m/s **PARTICULARS IMPERIAL**  **METRIC Displacement operational**  59,213 s T 53,718 t **Displacement transit** 42,945 s T 38,960 t **Variable deck load (max/transit)** 7,700 s T / 5,060 s T 7,000 t / 4,600 t **Variable column load (max/transit)** 1,650 s T / 440 s T 1,500 t / 400 t **Variable pontoon load (max/transit)** 5,500 s T / 2,200s T 5,000 t / 2,000 t **Total payload (max/transit)** 14,950 s T / 7,700 s T 13,500 t / 7,000 t **Riser tensioner load** 4,200 klbs 1,906 t **Vertical DP/CS setback load** 2,640 klbs 1,200 t **Vertical riser setback load** 6,600 klbs 3,000 t **H orizontal pipe rack area**  9,700 ft 2 900 m 2

**CAPACITIES IMPERIAL**  **METRIC Drill water**  12,580 bbl 2,000 m 3 **Potable water** 5,032 bbl 800 m 3 **Fuel oil** 25,160 bbl 4,000 m 3 **Brine** 4,718 bbl 750 m 3 **Base oil** 4,718 bbl 750 m 3 **Liquid mud [surface pits]** 9,435 bbl 1,500 m 3 **Liquid mud [pontoons]** 9,435 bbl 1,500 m 3 **Bulk mud** 24,000 ft3 680 m 3 **Bulk cement** 24,000 ft3 680 m 3 **Sack material [4,500 sacks]** 2,160 ft2 200 m 3 

# MAIN PARTICULARS

* GOM 10 year storm Derrick rated for US GOM category 4 hurricane**C rown**  **mounted compensation**  • Main rotary: static/compensating load 2,500 / 1,000 klbs

(1,134 / 454 t). Hydraulic locking with 25 ft stroke • A uxiliary rotary: static/compensating load 1,500 / 750 klbs

(680 / 340 t). Hydraulic locking with 25 ft stroke • A ctive heave compensation **D errick**  **and h**  **oisting systems**  • Min. 30,000 ft MD rated drilling depth capacity • Hoisting System A : 2,500 klbs static hook load • Drawworks A : 6,000 hp • T op drive A : 2,000 klbs capacity • R otary A : 601⁄2” • Hoisting System B: 1,500 klbs hook load • Drawworks B: 4,500 hp • T op Drive B: 1,500 klbs capacity • R otary B: 601⁄2” **T ubular**  **h andling**  **systems** • 1 x pipehandling knuckle-boom crane • 2 x horizontal pipe conveyor/skate systems • 2 x V-door stand-building and tripping machines • 2 x column rackers for pipe handling • 2 x iron roughnecks. Offline casing make-up capability • Drill string/casing vertical setback: 31⁄2” – 16” tubulars racked

in nominal 135 ft stand lengths. • Marine riser vertical storage for 126 each 75 ft of riser joints

(9,450 ft) plus 2 telescoping joints; additional storage area for drilling riser on deck **drill string**  **and tubulars**  • In excess of 50,000 ft setback capability for drill pipe,

work string, and casing running string: including capability of racking 25,000 ft of 6 5⁄8” drill pipe. approximately 15,000 ft of 95⁄8” casing racking capacity in addition to drill string **marine riser**  **and tensioning**  **systems** • R iser: 10,000 ft of 75 ft length, 21” OD; clip riser with

two 15,000 psi choke & kill lines, one 7,500 psi booster line, two hydraulic conduit lines • R iser tensioning system consisting of 6 x 700 klbs N-line

cylinder riser tensioners • T ripsaver system to allow movement of BO P and riser

to wet storage position **BOP and**  **subsea tree**  **h andling**  **systems** • BO P overhead crane : 2 x 125 t • BO P transporter : 400 t • Subsea tree overhead crane: Subsea tree staging and

skidding system : subsea tree cart underhull guide systems each rotary **W ell**  **control e**  **q uipment**  • 183⁄4” BO P – 15,000 psi : two annular + six ram preventers. • The lower ram can be configured as a test ram • Multiplex BO P control system; redundancy to allow both pods

to operate with one MUX cable • 601⁄2” diverter system and riser gas handler, choke & kill

manifold, 15,000 psi ; mud gas separator, 12 MMscfd **H P**  **mud system**  • Four 2,200 hp mud pumps rated for 7,500 psi **M ud**  **return system**  • A bility to handle more than one mud system. • System design to minimize time displacing mud system/

completion fluids • E ight shale shakers. Cuttings blower system • P rovisions for centrifuge and cuttings dryer installation • Completion fluid capability**mud and**  **bulk system**  • T wo automatic sack cutting machines • One bigbag machine : One dual liquid additive pump unit • Four surge tank outlet feeders : Four automatic mud

mixing hoppers • One caustic mixing unit • T wo H P mud shearing devices **P rovisions**  **for 3**  **rd party**  **e q**  **uipment** • T wo large work class R OV systems (Oceaneering Millenium +) • Diesel cementing unit (Halliburton) • Staging area for subsea completion equipment,

including subsea tree transport system • Completion equipment, including well test equipment

and coil tubing • Dedicated control rooms, store rooms and offices for 3 rd party

system operators **P ower**  **systems** • 8 x 4,800 kw(e), 11 kV A C, 60 Hz generators, divided into two self-contained power plants • 690 V A C, 60 Hz I T power distribution system • 1,500 kw(e) emergency generator **P ositioning**  **S ystems**  • D P Class 2 : power management system and position

reference systems to D P Class 3 • 8 x 4,000 kw(e) azimuthing thrusters of min. 700 kN

static thrust each • Four double drum windlasses for 31⁄2” K4 chains • 8 x 600 m K-4 chain for attachment to a pre-installed

mooring system ; P rovision/space for additional windlasses and chain for 12-point mooring system **C ranes**  • P ort deck crane : Knuckle-boom crane with 3,000 m,

3” wire for deployment of subsea trees and other modules up to 100 t heave compensated over the side of the rig. 165 t lift capability from supply boat. A uxiliary whipline hoist 15 t S WL @ 50 m • Starboard deck crane : 50 m max. reach,

S WL 60 t @ 20 m dynamic • One pipehandling knuckle-boom crane : 30 m max. reach, S WL

12 t @ 10 m **h elicopter**  **deck** • Helicopter deck suitable for an E H101 helicopter

or Sikorsky S61 **A ccommodation**  • A ccommodation for 180 people : • 10 single berth cabins • 85 two berth cabins • A mble office spaces/conference rooms for client and 3 rd party

service contractors • 270 m2 of recreation rooms

# Rig Floor **Flexibility for multiple activities** • T wo hoisting/rotary systems • L arge setback area for drill pipe, casing and completion

riser outside of derrick/drillfloor • Offline pipe handling capability : standbuilding,

casing make-up and rack back • T ransfer of drill string, casing and riser from outside of derrick/drillfloor • **Optimum layout for subsea completion** • Capability for large umbilical and services

(tubing hanger running tool or subsurface test tree) • A dditional space for small umbilicals for completion

accessories 

# Moonpool **Large moonpool; flexibility for multiple activities** • N- L ine riser tensioner system with tripsaver • T ransfer of equipment across the moonpool • Dedicated off-line ‘wet parking’ position

for BO P /drilling riser • BO P handling area (starboard side) • Subsea tree staging area (port side) 

## The rig includes a number of innovative features, which enhance the capacity and flexibility for multiple concurrent activities and improve the drilling efficiency. Back-up facilities and solutions are generally provided to reduce the impact of equipment failures. 

# S TATE - O F- T H E - ART drilling features

# Subsea completions **Flexible system for multiple well subsea developments**  • Option to deploy equipment through the main well centre

or over the side by large knuckleboom crane • L arge staging area for multiple subsea trees

and accessories • Flexibility in subsea tree handling area for various

subsea system designs • High load capacity for flatbed transporter and tree cart • High vertical clearance in moonpool for subsea system

stack-up and transport



# Logistics **Maximum usuable deck space for optimum layout of drilling and completion equipment** 

• 9,600 ft (2,926 m) vertical riser storage • L arge vertical drill pipe and casing setback area • L arge pipe rack area (aft) for deepwater completion

equipment layout • W ell test equipment • T ubing/downhole tools • Completion riser accessories • Completion fluids/filtration • Stimulation • Coil tubing • P rimary R OV within upper hull ; 2 nd R OV location on aft deck 

## The hull design and layout are based on the operational experience of various deepwater operators and third party system suppliers and incorporate a number of innovative ideas from our potential customers. G reat emphasis has been made on optimising the rig’s layout to facilitate flexibili ty in installation and operation of third party equipment. 

# O ptimi s ed L ayo u tJuly 2011 **Maersk Drilling, Esbjerg** 1, Kanalen P.O. Box 239 6701 Esbjerg Denmark Telephone: +45 76 14 77 00 Telefax: +45 76 14 77 32 E-mail: esbjerg@maersk-drilling.com **The Maersk Company Ltd. Maersk Drilling**  City Wharf Shiprow Aberdeen AB11 5BY United Kingdom Telephone: +44 1224 243100 Telefax: +44 1224 243213 E-mail: aberdeen@maersk-drilling.com **Maersk Drilling Norge AS** Christian August Thorings veg 9 P.O. Box 134 Forus 4065 Stavanger Norway Telephone: +47 52 01 70 00 Telefax: +47 52 01 70 01 E-mail: norway@maersk-drilling.com **Maersk Drilling, Baku** 9th Floor ISR Plaza Business Center 69 Nizami Street Baku AZ1000 Azerbaijan Telephone: +994 12 4978450 Telefax: +994 12 4978467 E-mail: baku@maersk-drilling.com **Maersk Drilling, Venezuela** Edifi cio MCVSA Muelle Terminales Maracaibo Las Morochas Estado Zulia Venezuela Telephone: +58 265 4005501 Telefax: +58 265 6311435 E-mail: venezuela@maersk-drilling.com **Maersk Drilling Australia Pty Ltd** Level 1, 1 Preston Street Como, WA 6152 Australia Telephone: +61 8 6436 1400 Telefax: +61 8 6436 1444 E-mail: perth@maersk-drilling.com **Maersk Drilling (UAE) FZE** LB18, 26th fl oor, Jebel Ali Free Zone P.O Box 262476 Dubai United Arab Emirates Telephone: +971 4 8865 770 Telefax: +971 4 886 5679 E-mail: dubai@maersk-drilling.com **Maersk Drilling USA Inc.** 2500 City West Boulevard Suite 1850 Houston Texas 77042 USA Telephone: +1 713 346 4300 Telefax: +1 713 783 9409 E-mail: houston@maersk-drilling.com **Maersk Drilling Services A/S, Brunei** Brunei Branch Lot 7272 Simpang 73, Sungai Duhon Light Industrial Area Kuala Belait KA3131 Negara Brunei Darussalam Telephone: +673 223 9955 Telefax: +673 223 9958 E-mail: brunei@maersk-drilling.com Head offi ce: **Maersk Drilling** 50, Esplanaden 1098 Copenhagen K Denmark Telephone: +45 3363 3363 Telefax: +45 3363 3182 E-mail: copenhagen@maersk-drilling.com www.maersk-drilling.com