Page 64 - Industrial Plants

Figure 3 - ORF
configuration for early
production Phase 1

Figure 4 - ORF
configuration for full
field production Phase
2 (post FPSO
installation)

activities took place in total safety. A massive
ORF is actually configured in early production asset commitment of resources dedicated to this issue has
(phase 1), the multiphase product is sent to the ORF by made it possible to carry out the activities without
a multiphase sea line. After the FPSO arrival and during infections.
the integrated commission activities it has been In order to optimize the shutdown activities and avoid
considered to convert in final asset the ORF receiving any delay for the start-up, the WP2 activities will be
system (phase 2) as below: performed:
• Phase 1: ORF is a multiphase receiving facilities, 1. Multidisciplinary Site survey;
working with 3 separators in parallel at ~4 barg, 2. Material verification for company provided items;
measuring all streams, compressing gas up to 3. Material preparation/storage for shutdown
50-60 barg and finally exporting the 2 streams activities;
(see Fig. 3); 4. Piping and support metrology and pre-fabrication;
• Phase 2: ORF is gas + condensate receiving 5. New cable routing (cable tray and cable pulling);
facility, working at ~60 barg with a single 6. Scaffolding area identification and erection.
separator/slug catcher (VQ001), measuring gas
and condensate streams and finally export them Before the preparation activities for the “shutdown” of
jointly in a single wet gas pipeline (see Fig. 4). the plant, the following activities were coordinated:
• Prefabrication of new pipes, supports, laying of
The work phases have been planned and scheduled in cable trays;
such a way as not to compromise mainly the health of • Mobilization of housing for the “camp”;
the workers, the surrounding environment and • Mounting of scaffolding, “Pigging” and sealine
compliance with execution times. The anti-Covid depressurization;
procedures prepared by DG IMPIANTI for all site • Shutdown activities, field assembly of pipes /
personnel, have meant that the execution of the equipment, alignment of the instrumentation

IndustrIal Plants - May 2022
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