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Last Updated: Thursday, November 10, 2011 - 14:01

The Detailed Design of Jerneh 'A' Compression and Second Process Module (1992 - 1993)

The project involves the expansion of the Jerneh'A' Complex with the additional second Process Module (PM-2) and three Compression Modules (CM 3/4/5) was completed within twentyone months (21), i.e. from February 1992 to October 1993.

Period:
2/1992 - 10/1993
Weight: PM-2 : 1,680MT
Compression Module : 3,900MT

The project involves the expansion of the Jerneh'A' Complex with the additional second Process Module (PM-2) and three Compression Modules (CM 3/4/5). This expansion program will increase the gas capacity of the Jerneh 'A' Complex from 450 MSCFD to 750 MSCFD.

PM-2 is an addition to the existing Process Module (PM-1) on the Jerneh A Production platform. PM-2 comprises of separation and dehydration facilities within the production, mezzanine, main and roof deck. Each of the three Compression Modules comprises of a single train of two-stage gas compression and associated facilities within the production, main and roof deck. The design was completed within twentyone months (21), i.e. from February 1992 to October 1993.

A total of 59,000 man-hours were utilized for the detailed design and a further 25,000 man-hours were needed for the Post IFC and Construction Support. PM-2 weighs 1,680 MT and the total weight of the three Compression Modules is 3,900 MT. The main equipment on the Process Module include a production separator, two separator gas coolers, two filter separators, two filter separator pumps, two glycol contractors, two gas/glycol heat ex-changers, two glycol regeneration skids, condensate pre-filters, condensate coalescers/filters, two condensate pumps, a condensate transmission pump and two filter separator pumps for each train. Whereas the main equipment on the Compression Modules include first/second stage suctions scrubbers, first/second stage gas compressors, first/second stage after-coolers, lube oil coolers, control and switchgear rooms and HVAC. There was also a 30 MT pedestal crane on CM-5.

A total of 1,565 drawings were issued during the IFC Stage and the drawings were all produced on AutoCAD. Extensive design reviews were conducted, namely design phases review, scale model review, Noise, Acoustic Induced Vibration, EPRCO Design Assessment, HAZOP and Independent Detailed Design Assessment. The project quality system was carried out in line with the MS:ISO 9001 standards and internal audits were conducted while being witnessed by EPMI representatives. Local fabricators fabricated the facilities and the platform was commissioned and started up in 1994.