PETRODAR
 

Pipeline

The Export PDOC Pipeline is one of three major cross-country pipelines transporting crude in the Republic of the Sudan
The main pipeline transporting export-quality treated crude from the CPF located at Palogue to the Marine Terminal at Port Sudan. FPF at Palogue supply partially-treated crude with a maximum of 10% water-cut. The pipeline segment between FPF at Palogue and CPF at Al Jabalayn is technically referred to as the Field Pipeline (approximately 254 km) as the crude being transported is of different properties and specification to the export quality crude.

The crude oil pipeline transportation system consists of two major components, namely:

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The NPS 32-inch diameter pipeline 1370km in length with associated sectionalising block valves, scraper launching and receiving facilities and take-off valves for future take-off stations.

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The pipeline pumping facilities of which six pumping stations were being built for the first phase with design capacity of 200,000 bpd. Each pumping stations include the three centrifugal pumps in parallel with two working and one in stand-by; two screw pumps used for low-flow “yo-yo” operations and for initial start; heaters; dual fuel engines; tankage and fuel storage; and other utilities.

Pipeline Quick Facts

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Construction began on Oct. 8, 2004 and was completed on Dec. 24, 2005 ( MC)

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The PDOC Pipeline System was designed and constructed to move oil from the south east of Sudan to the east marine terminal at Port Sudan, Sudan.

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Length: 1370 km.

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Diameter: 32 inches.

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Crosses mountain ranges, 2 major rivers and many streams and Wadis.

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First oil moved through the pipeline on July 25, 2006

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First tanker to carry crude oil from MT: August 30, 2006.

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First tanker to carry crude oil from MT: August 30, 2006.

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Design life: designed for an operating life of 25 years

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Line pipe is Carbon Steel, API 5L X65 & 70

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Pipeline external coating: Three layer Poly Propylene (3LPP), consisting of 500 micron epoxy coating, primer and 2.5 mm Polypropylene. Provide excellent protection from against mechanical and impact damage.

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Cathodic Protection (CP) is the secondary means of combating against external corrosion of the pipeline. CP was designed to use the impressed current system and several factors were considered for its sizing namely, soil resistivity, required current density, coating breakdown factor and anode bed type

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