New pipelines to charge Kashagan oil undertaking up to $3.6 bln
公開日:2021/12/03 / 最終更新日:2021/12/03
New pipelines to charge Kashagan oil undertaking up to $three.6 bln
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By Raushan Nurshayeva
ASTANA, Oct ten (Reuters) – Kashagan, the world’s most highly-priced oil undertaking, will have to devote one more up to $three.six billion to swap leaking oil and fuel pipelines, which also could delay the restart of production, the Kazakh strength ministry said.
Generation at the Kashagan reservoir, the world’s greatest oil discover in new instances, started off in September very last 12 months but was halted just a several weeks afterwards soon after the discovery of gasoline leaks in the $fifty billion project’s pipeline community.
Replacing the pipelines at the oilfield, which lies in the Caspian Sea off western Kazakhstan, will value concerning $one.six billion and $three.6 billion, the Kazakh Power Ministry reported in a doc acquired by Reuters on Friday.
The multinational consortium developing Kashagan has determined anxiety cracking owing to sulphur-laden gases as “the root cause of the pipeline challenges” at the oilfield.
The remaining expense of the alternative will count mainly on the resistance to corrosion of the pipes used in laying the new pipelines, the electricity ministry stated in the document sent to the Kazakh parliament.
The field’s oil is four,200 metres (four,590 yards) underneath the seabed at pretty large strain, and linked gasoline achieving the surface area is combined with some of the highest concentrations of poisonous, metal-eating hydrogen sulphide (how fast can h2s kill you – www.safetynotes.net -) at any time encountered.
“Having into account the substantial risks of recurring leaks by selecting pipe content of specification L360 (X52) as envisaged by the basic scenario, there is high chance the contractor will opt for an alternate situation of utilizing pipes protected with non-corrosive alloys,” it reported.
The more costly different is to use carbon-metal pipes of toughness L415 (X60) with an inner coating created of non-corrosive alloys, it mentioned.
Contacted by Reuters, the consortium declined to remark.
The Kashagan consortium will have to buy pipes adding up to a overall length of 200 km (one hundred twenty five miles) to change the complete community of the field’s oil and gasoline pipelines, the ministry extra.
A existing delay in tests metal and welding is likely to frustrate the consortium’s plans to restart output at the industry in the next fifty percent of 2016, it mentioned.
Senior Kazakh federal government officials have claimed that output from Kashagan may well be restored in the initial or 2nd fifty percent of 2016.
The consortium is in talks with Italian oil support group Saipem with regards to the replacement of oil and fuel pipelines at the oilfield, the ministry mentioned.
Saipem had initially been contracted to lay the present-day pipeline network at Kashagan, utilizing pipes supplied by Japanese providers Sumitomo and JFE.
The Kazakh energy ministry did not establish who would offer the pipes for the new pipelines.
The Kashagan consortium incorporates Eni, Exxon Mobil , Royal Dutch Shell, Complete, China’s CNPC, Japan’s Inpex and Kazakh point out-run organization KazMunaiGas.nn(Reporting by Raushan Nurshayeva Producing by Dmitry Solovyov modifying by Jason Neely and Jane Baird)
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