A North Sea Operator had encountered a number of issues with the Gas Export Compressors on a major FPSO. The compression system comprises two trains (A and B) both of which have experienced reliability and availability challenges.
To address the ongoing reliability and availability challenges, a programme of restoration has been undertaken. The primary objectives of the programme were to return the Gas Export Compressors to nameplate capacity, increase reliability and availability.
PDi is playing a key role in the restoration programme. This has required management of various discipline work scopes, both onshore and offshore, and vendor management.
Major scopes performed by PDi include:
1) Baselining the gas compression system to its original design intent and configuration. This involves the evaluation and replacement of components where it makes economic sense to do so, cognisant of life extension requirements for continued operation until 2030.
2) Continual improvement and upgrade of the gas compression system to improve operability and reliability and to accommodate future production requirement. including tie-backs and associated compositional changes.
Commenced November 2017 (Duration ongoing)
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