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ENSCO Jack-Up Rigs
Outside35°cHumidity80%
22oInside
Provided byHeinen & Hopman
Our mission is to ensure you the perfect climate indoors, regardless of the weather outside.

HVAC | ENSCO Jackup Rigs

Ensco plc, a global provider of offshore drilling services to the petroleum industry, previously ordered four ultra-premium harsh environment jackups from Keppel FELS Shipyard (Singapore). The rigs are enhanced versions of Keppel’s KFELS Super A Class design and set a new standard in the harsh environment category featuring equipment and capability previously found only in the largest rigs in the class. The rigs are designed to operate in a variety of environments in water depths up to 400 feet and can drill to depths of 40,000 feet for the most demanding large multi-well platform and ultra-deep gas programmes, and ultra-long reach wells. Outfitted with Ensco’s patented Canti-Leverage AdvantageSM technology, it is possible to drill more wells from one location by utilizing the enhanced hoisting capacity at the farthest reaches of the cantilever.

ensco-120.jpg

HVAC and Provision Cooling

Heinen & Hopman Engineering Singapore Pte Ltd was awarded the contract for the design and supply of the HVAC and PCP system for the four jackup rigs. The HVAC equipment is designed to meet ABS requirements, UK HSE regulations for TR (temporary refuge) and DMA Technical Regulation. The high pressure ductwork is fabricated in compliance with ASHRAE and SMACNA standard.

Design Conditions

The following design conditions were requested:

Summer Conditions

Outside: 50°C/45%RH
Inside:  24°C/50%RH

Winter Conditions

Outside: -12°C/50%RH
Inside: 22°C/35%RH

HVAC

Heinen & Hopman Singapore supplied the HVAC system serving the living quarters, machinery areas, main electrical room, mud lab, mud pit lab and shale shaker rooms. The HVAC system is operated by two air-cooled chillers serving thirteen chilled water air handling units. A spiral duct system distributes the air to the living quarters and machinery areas. The main electrical room is served by two air-cooled direct expansion condensing split systems. Chilled water fan coils and explosion proof window units serve the mud lab, mud pit lab and shale shaker rooms.

PCP

The provision cooling is operated by two air-cooled condensing units with unit coolers in each room. Special plastic shelving is used for food storage in cold rooms.

Heinen and Hopman Engineering Singapore Pte Ltd have completed installation on ENSCO 120, ENSCO 121 and ENSCO 122. ENSCO 123 is scheduled for delivery in 2018.

Contact H&H Singapore

Read more

Subsidiary
H&H Singapore
Shipyard
Keppel FELS Limited
IMO No.
9621479, 9621481, 8771629 (IMO No. ENSCO 123 is to be announced)
Name Vessel
ENSCO 120, ENSCO 121, ENSCO 122, ENSCO 123
Owner
Ensco plc
Delivery year
2013 – 2018
Country of Delivery
Singapore
Vessel type
Jackup Rig
Length
102.2 m

Heinen & Hopman Singapore supplied the HVAC and PCP systems for the ENSCO 120, 121, 122 and 123.

Arthur Chay

Arthur Chay

- Director H&H Singapore

Arthur Chay

Arthur Chay

- Director H&H Singapore

Certification

iso9001.pngdnv-gl.pngrrr-2.pngbureau_veritas-2.pngrmrs-2.png

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