New pipelines to value Kashagan oil job up to $three.6 bln
公開日:2021/12/03 / 最終更新日:2021/12/03
New pipelines to cost Kashagan oil task up to $three.6 bln
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By Raushan Nurshayeva
ASTANA, Oct 10 (Reuters) – Kashagan, the world’s most high priced oil undertaking, will have to commit an additional up to $three.six billion to substitute leaking oil and gas pipelines, which also could hold off the restart of generation, the Kazakh energy ministry claimed.
Manufacturing at the Kashagan reservoir, the world’s biggest oil uncover in current moments, began in September previous yr but was halted just a handful of months later on after the discovery of gas leaks in the $50 billion project’s pipeline network.
Changing the pipelines at the oilfield, which lies in the Caspian Sea off western Kazakhstan, will value in between $1.six billion and $3.six billion, the Kazakh Power Ministry mentioned in a document obtained by Reuters on Friday.
The multinational consortium establishing Kashagan has recognized worry cracking because of to sulphur-laden gases as “the root lead to of the pipeline challenges” at the oilfield.
The remaining cost of the replacement will rely generally on the resistance to corrosion of the pipes made use of in laying the new pipelines, the energy ministry stated in the doc sent to the Kazakh parliament.
The field’s oil is four,200 metres (4,590 yards) underneath the seabed at really superior strain, and connected gas achieving the area is blended with some of the optimum concentrations of toxic, metal-consuming hydrogen sulphide (fes hcl fecl2 h2S what is the Balanced equation) at any time encountered.
“Taking into account the significant challenges of recurring leaks by deciding on pipe material of specification L360 (X52) as envisaged by the simple state of affairs, there is significant likelihood the contractor will decide for an alternative situation of utilizing pipes covered with non-corrosive alloys,” it mentioned.
The additional pricey option is to use carbon-metal pipes of energy L415 (X60) with an internal coating designed of non-corrosive alloys, it claimed.
Contacted by Reuters, the consortium declined to remark.
The Kashagan consortium will have to purchase pipes including up to a full duration of 200 km (a hundred twenty five miles) to substitute the total community of the field’s oil and gasoline pipelines, the ministry included.
A current delay in testing steel and welding is probably to frustrate the consortium’s strategies to restart output at the subject in the second 50 % of 2016, it claimed.
Senior Kazakh government officials have stated that output from Kashagan may perhaps be restored in the 1st or next half of 2016.
The consortium is in talks with Italian oil assistance team Saipem pertaining to the substitution of oil and fuel pipelines at the oilfield, the ministry said.
Saipem had originally been contracted to lay the existing pipeline community at Kashagan, applying pipes equipped by Japanese firms Sumitomo and JFE.
The Kazakh power ministry did not recognize who would source 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 state-operate enterprise KazMunaiGas.nn(Reporting by Raushan Nurshayeva Creating by Dmitry Solovyov modifying by Jason Neely and Jane Baird)
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