PETRODAR
 

Pump Stations

The Pumping Facilities comprises of six(6) numbers of pumping stations (for the initial stage) located along the 1,370km pipeline from the starting point in Palogue and ended at Marine Terminal located in Port Sudan via a 32-inch diameter steel pipeline. Upon completion of the Melut Basin Development, the PUMPING FACILITIES will consist of approximately 11 Pumping Stations with heating facilities located along the pipeline to transport crude oil at 500,000 bpd of ultimate capacity. Initially, six (6) suggest Pumping Station (PS) with heating system have been installed to cater for the initial flow of 200,000 bpd of crude oil with provision for future expansion to 500,000 bpd. The Pumping Stations is designed complete with all necessary items and associated utility and auxiliary equipment systems that are required to provide a safe and fully operational system

Pumping Station no. 1 is located in Palogue immediately downstream of Palogue Field Production Facility (FPF). Pumping Station no. 2 is located in Al-Jabalayn immediately downstream of Al-Jabalayn Central Production Facility (CPF). Utilities such as power, water (utility and

potable), air (instrument and utility) and diesel fuel supply are coming from FPF, CPF and power plant at Palogue and Jabalyn respectively.

PS3 to PS6 is designed with self sufficient in all utilities and operational support including accommodation.

Main equipments installed at each pump stations (PS) are as follows: 

»  Pipeline main pump (Centrifugal pumps) driven by dual fuel (diesel/crude) burning engine. 3 numbers in parallel with operating philosophy of 2 running and 1 standby, installed at each PS
»  Each of centrifugal pumps is capable to deliver up to 165,000 bopd flow rate. With 2 pumps running, the pump station can deliver up to 310,000 bopd flowrate to the pipeline system during the initial stage. The centrifugal pump is driven by direct coupled via increased speed gear box of 6:1 ratio. The engine is dual fuel diesel/crude burning type and capable of variable speed.
»  Electrical driven screw pump for yo-yo operation. 2 numbers in parallel with operating philosophy of 1 running and 1 standby or 2 units running simultaneously, installed at each PS.
»  Pump stations require installation of two electrically driven positive displacement pumps (screw pumps) used for low flow “Yo-Yo” action and for initial start of a gelled pipeline.
»  850 kW generator set unit driven by dual fuel (diesel/crude) burning engine. 3 numbers in parallel with operating philosophy of 2 running and 1 standby. Installed at PS3 to PS6.
»  A manual start 80kW emergency generator is installed at each PS to provide minimum power requirement for start-up of manual 850 kW generator.
»  1 MW generator set unit driven by diesel engine as emergency generator installed at PS1 and PS2. Only 1 unit for each station.
»  Shell and tube heat exchanger. 3 numbers in parallel with operating philosophy of 2 running and 1 standby, installed at PS3 to PS6.
»  Hot Oil Heater burner system. 2 numbers in parallel with operating philosophy of 1 running and 1 standby, installed at PS3 to PS6.
»  Station inlet filters.  2 numbers in parallel with operating philosophy of 1 running and 1 standby, installed at each PS.
»  Diesel and crude fuel storage tanks for PS3 to PS6. Crude fuel storage tank is designed to accommodate surge relief volume. As for PS1 and PS2 a dedicated surge relief tank is built for the surge relief system.
»  Open and Closed drain system, installed at each PS.
» Storage water tank and water treatment facilities, installed at PS3 to PS6.
» Instrument and Utility air system.
» Dedicated crude treatment facilities for the pump drivers, installed at each PS.
» Dedicated crude treatment facilities for generator set drivers, installed at PS3 to PS6.
» Electrical heat tracing system, installed at PS3 to PS6.
» Surge Relief System (which currently the scope of work is disputed by the CONTRACTOR).
» Control building to house the Station Control and Emergency Shutdown system, MCC, and PLC for field equipment

“First oil” commissioning was carried out with mainline pumps at pump stations 1, 2, 5 and heaters at all pumps stations were put online. These activities started on 25th July 2006 (pumping from PS1) and the crude oil reached Port Sudan Marine Terminal on 23rd August 2006.

 

 

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