Nitrogen Gas System Upgrading Project
Reference: BID907675 5/3/2015, Location: Africa
Category: Gas Processing
Scope of Work
Upgrading the existing Nitrogen gas system (unit 320) in order to increase amounts of nitrogen gas production rate needed for existing NGL recovery plant facilities (750 Nm3/hr, purity: 1 % oxygen) during the normal operations and (1800 Nm3/hr, purity: 3 % oxygen) during plant planned shutdowns, hence maximum current daily production rate of existing system about (300 Nm3/hr).
The scope of work should include Implementation of EPIC project phase on Turn-Key basis (Basic design review, Detailed. Eng, Procurement, Material supply, Construction & Installation, Comm. and Start-up), covering the following:
1. Overhauling / Improvement the existing nitrogen gas system (train1) with capacity of (1200 Nm3/hr), include: Replacing parts of existing equipments {Adsorption media (molecular sieve, butterfly valves, PCV & on-off valve, drain system of compressors lines), Installation of new equipments {water-cooled refrigeration dryer, local PLC, safety, valves) and Dismantling & Removal parts of existing equipments (cooling water, refrigeration drying ).
2. Installing of new nitrogen gas system (train 2) in parallel with existing one with Design capacity of (1800 Nm3/hr) and shall be designed to produce 400 Nm3/h Instrument Air & 200 Nm3/h Service Air.
3. Installing of new nitrogen gas distribution pipeline from A-100 NGL plant to oil center (PWTRF) Produced Water Treatment & Re-injection Facilities with pipeline size of (3”) & and length of (1,350 m) include required accessories.
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