Long steel tubes are welded together at
a fabrication site to make a frame (the jacket).
This jacket framework provides the stability
to support the topsides. Once complete, the
jacket is manoeuvred onto a barge
and towed out to the field.
1
2
The jacket is lifted off the barge,
positioned on the seabed, and
fastened in place using long
metal piles.
Juniper’s topsides structure
weighs approximately
10,000 tons —equivalent to
more than 20 Boeing 747s
fully loaded for take-off.
10,000 tonnes
3
The topsides structure is
constructed at the fabrication
site one deck at a time,
incorporating the preordered
equipment from specialist
suppliers.
5
The ‘sail away’ of the 10,000-tonne
topsides structure is completed.
Over 95% of the labour
during the fabrication
in La Brea was done by
Trinidad & Tobago
nationals
95%
Juniper offshore Trinidad is one of the BP
major projects which started production in
2017. Here are the six main steps involved in
building such a massive platform.
HOW TO BUILD
A PLATFORM
IN SIX STEPS
Juniper will add
14% to national
Trinidad & Tobago
gas production
14%
The Juniper jacket
and topsides stand
529 feet high
529 feet
feet
400
350
300
250
200
150
100
50
550
500
450
Build jacket
Float & secure jacket
Build topsides
4
Construction of the multi-decked
topsides is completed, connecting all
the pipework and equipment, including
power generation, the control systems,
and helipad. The topsides structure is
jacked up and prepared for load-out
onto a barge.
Complete topside
Transport topside
6
The topsides structure is lifted over
the jacket and lowered into place,
followed by topsides/subsea
commissioning and start-up.
Attach topside to jacket

How to build a platform - Juniper

  • 1.
    Long steel tubesare welded together at a fabrication site to make a frame (the jacket). This jacket framework provides the stability to support the topsides. Once complete, the jacket is manoeuvred onto a barge and towed out to the field. 1 2 The jacket is lifted off the barge, positioned on the seabed, and fastened in place using long metal piles. Juniper’s topsides structure weighs approximately 10,000 tons —equivalent to more than 20 Boeing 747s fully loaded for take-off. 10,000 tonnes 3 The topsides structure is constructed at the fabrication site one deck at a time, incorporating the preordered equipment from specialist suppliers. 5 The ‘sail away’ of the 10,000-tonne topsides structure is completed. Over 95% of the labour during the fabrication in La Brea was done by Trinidad & Tobago nationals 95% Juniper offshore Trinidad is one of the BP major projects which started production in 2017. Here are the six main steps involved in building such a massive platform. HOW TO BUILD A PLATFORM IN SIX STEPS Juniper will add 14% to national Trinidad & Tobago gas production 14% The Juniper jacket and topsides stand 529 feet high 529 feet feet 400 350 300 250 200 150 100 50 550 500 450 Build jacket Float & secure jacket Build topsides 4 Construction of the multi-decked topsides is completed, connecting all the pipework and equipment, including power generation, the control systems, and helipad. The topsides structure is jacked up and prepared for load-out onto a barge. Complete topside Transport topside 6 The topsides structure is lifted over the jacket and lowered into place, followed by topsides/subsea commissioning and start-up. Attach topside to jacket