Griffin -- A state-of-the-art FPSO and some thoughts on FPSO trends in Australasia
The Griffin field was developed using a state-of-the-art Floating Production Storage and Offloading facility (FPSO). The field development was complicated by the fact that there were three fields, Griffin, Chinook and Scindian to be developed and that within each field there were two separate and distinctly different producing formations. The subsea configuration was therefore aimed at permitting the two reservoirs to be depleted independently and with high reliability. The FPSO was designed to be capable of producing 12,720 m{sup 3}/day of stabilized crude. Unlike previous FPSO projects, where the gas has been flared, Griffin gas is treated offshore to produce a sales gas stream having a hydrocarbon dewpoint of {minus}5 C and a water dewpoint of {minus}30 C. The emergence of tougher environmental and safety rules led to the decision to build a so-called double-hulled vessel. The mooring system is an enhanced disconnectable riser turret type and was engineered and designed by BHPP. The swivel stack is the most complex produced by BHPP to date and comprises 4 x 6 inch and 2 x 10 inch paths as well as an electrohydraulic control swivel. First production was achieved 22 months after project approval. Governments are placing an increased emphasis on the recovery of associated gas and future developments being planned may see the introduction of simultaneous production of crude and LPG/methanol.
- OSTI ID:
- 128872
- Report Number(s):
- CONF-950501-; TRN: IM9550%%258
- Resource Relation:
- Conference: 27. offshore technology conference, Houston, TX (United States), 1-4 May 1995; Other Information: PBD: 1995; Related Information: Is Part Of 27. Annual Offshore Technology Conference: 1995 Proceedings. Volume 2: Platform and marine system design; PB: 986 p.
- Country of Publication:
- United States
- Language:
- English
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