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Projet CNG en Afrique de SUd à partir de Kudu (Tullow)

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Voici un nouveau developpement du Kudu (voir post sur cout de mise en route)
L'afrique du sud envisage maintenant un transport CNG pour alimenter ses centrales en gaz...

Ce projet est sur la côte ouest de l'Afrique du sud

On se rappelle les projets CNG de Artumas en Tanzanie pour la côté est...

source:
http://www.engineeringnews.co.za/article/in-the-pipeline-2009-07-17

Proposed R2,5bn West Coast gas pipeline project making progress

Gas supplier Gigajoule Africa has submitted a licence application to the National Energy Regulator of South Africa (Nersa) for the transmission, distribution and trading of gas in the Cape West Coast region.

Gigajoule Africa MD Johan de Vos says that the region could be supplied with clean-burning, environment-friendly natural gas as early as 2014.

This follows an intensive two-year market study, which began in 2007. The study revealed sufficient market interest to warrant the project, with the industrial, commercial, transport and power generation sectors in the region having reported that they would switch to natural gas if it became available.

The first option for the natural-gas supply is to source compressed natural gas (CNG) from the proven Kudu gasfield, off the coast of Namibia, where exploration and production company Tullow Oil and its partners are currently evaluating a scheme for transporting the gas by marine vessel to an offshore delivery point along the West coast. This would cost about R2,5-billion for the initial infrastructure capital outlay, with operator Tullow Oil delivering the CNG to the planned submerged offloading terminal.

Gigajoule Africa recently signed a memorandum of understanding with the shareholders of Tullow Kudu, including Namibian petroleum company Namcor and Japanese trading company Itochu, on a joint initiative to establish the technical and commercial viability of supplying CNG from the Kudu gasfield.

The second option is to source liquefied natural gas (LNG) from international LNG portfolio suppliers and deliver it to an offshore delivery point on the west coast. This would be subject to demand levels, but the capital requirement would amount to R2-billion for initial infrastructure requirements.

Joint venture company Golar/Bluewater would transport the LNG to the planned submerged offloading terminal.

This capital cost would be funded through private investors, including Old Mutual and Standard Bank, as well as through Gigajoule Africa's own balance sheet, De Vos explains.

The envisaged project would be developed in phases, with phase one including the construction of the offshore submerged terminal, an onshore gas treatment plant, and 225 km of transmission and distribution pipelines to feed the gas to Cape West Coast markets.

The second phase would include the construction of a pipeline towards the north and the east, to supply customers in the Saldanha Bay and inland regions.

The project would create about 250 construction jobs and 50 permanent jobs.

The Kudu gasfield has a proven gas reserve of about one-trillion cubic feet, which, according to Gigajoule's business model, could deliver CNG in sufficient quantities to supply the West Coast and Namibian markets for at least ten years.

The established gas market would allow for further exploration investment during those ten years, and could lead to further confirmed reserves, which currently exist with about a 50% certainty, explains Gigajoule Africa GM Johan Visagie.

The gas would be competitively priced when compared with other fuels, such as petrol or diesel, depending on the prospective clients' consumption portfolios and the distance that the gas would have to be transported, besides other factors.

"One of the major attractions of using gas is that it is an environment-friendly, clean-burning source of energy. Carbon emissions will be substantially reduced, and sulphur oxide and suspended particulates, which are typically associated with fuel oils, diesel, coal and paraffin, will be reduced to virtually nothing for those customers that convert to natural gas," says De Vos of the project that will ultimately translate into a carbon dioxide emissions saving of at least 0,5-million tons a year.

He says that the rest of 2009 will see the completion and submission of the Nersa application for gas trading and associated licences, as well as the finalisation of Gigajoule's business plan for the Cape West Coast gas development project.

Upon receiving approval from Nersa, the necessary agreements and term sheets with suppliers and buyers can be concluded, the environmental-impact assessment can be conducted, including the infrastructure front-end engineering development, as well as the macro- and socioeconomic impact studies.

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