First oil from Russian Arctic shelf loaded
April 18, 2014 - Today Gazprom loaded the first cargo of oil produced from the Prirazlomnoye field – the only Russian project for hydrocarbons development in the Arctic shelf. Taking part in the event were Alexey Miller, Chairman of the Gazprom Management Committee, heads of the Company's specialized structural units and subsidiaries as well as contracting companies.
The first oil cargo totaled 70 thousand tons. It will be delivered to consumers in Northwestern Europe by oil vessels Mikhail Ulyanov and Kirill Lavrov purposely built on Gazprom's request for shipping oil from the Prirazlomnoye field. All in all, it is planned to ship over 300 thousand tons of oil from the field this year.
It is the first time that ARCO (Arctic Oil), the new type of Arctic oil produced from the Russian shelf entered the global market. It was purchased by one of the top European energy companies; the feedstock was sold under the direct contract. The new ARCO oil was traded among oil refining companies of Northwestern Europe in the first quarter of 2014. Once the production volume of the Prirazlomnoye field is increased, a part of feedstock will be sold under long-term contracts.
The Prirazlomnaya offshore ice-resistant stationary platform secures every process operation in the field – oil drilling, production and storage, end product processing and loading. The platform design fully excludes any oil spills during production, storage and loading processes.
The produced oil is stored in the caisson with three-meter-high concrete walls covered with two-layer corrosion- and wear-proof clad steel plate. The caisson is able to store some 94 thousand tons of oil. Its safety margin greatly exceeds the actual loads. In addition, a wet method of oil storage is used at the platform. The method eliminates the possibility of oxygen getting inside the tanks and thus prevents the creation of an explosive environment.
In order to pump the end products into oil vessels, special equipment was developed for direct oil loading. To avoid accidental oil spills, the loading block system goes off in seven seconds at most. The platform is equipped with two special complexes of such a kind, placed diagonally on the opposite boards – southwestern and northeastern.
The loading point is chosen depending on a combination of natural factors – the sea surge, ice drift, currents, and wind. When an oil vessel goes beyond the sector serviced by one complex, the vessel is disconnected and moved to another facility. In order to exclude the incidental collision with the platform, oil vessels are equipped with dynamic positioning systems, which may anchor them despite the wind and wave loads.
“Gazprom has opened a new stage in the development of the Russian oil industry. The first oil produced in the Russian Arctic shelf, the first oil from the Prirazlomnoye field was loaded into the oil vessel to be delivered to consumers. From this moment the return on the investments in Prirazlomnoye will start.
Today's event is highly important for strengthening Russia's position in the global oil market. We increased the flexibility and reliability of oil supply to almost any part of the world,” said Alexey Miller.
- Mikhail Ulyanov oil vessel arrives at Prirazlomnaya to load oil from platform
- Alexey Miller (third from left)
- Preparing for oil loading
- During oil loading
The Prirazlomnoye oil field is located in the Pechora Sea, 60 kilometers off the shore. The recoverable oil reserves amount to 71.96 million tons, projected oil production comes up to some 6 million tons a year (to be reached after 2020). On December 20, 2013 Gazprom started oil production in the field from the Prirazlomnaya offshore ice-resistant stationary platform.
Prirazlomnaya is an unparalleled platform designed and constructed in Russia on Gazprom's request. It is intended for operation under extreme environmental and climatic conditions, meets the most stringent safety requirements and can resist high ice loads.
Despite the platform is well protected in case of any emergencies, an elaborate set of protection measures were developed and set up to keep the staff safe as well as the environment and the platform itself.
Particularly, in accordance with the Russian law all the responsible authorities approved the Plan for preventing and eliminating oil spills.
Special-purpose ice-breakers Yury Topchev and Vladislav Strizhov are always on call safeguarding the waters near Prirazlomnaya. An emergency center is located onshore (Varandey settlement, Nenets Autonomous Area) in the closest distance to the platform.
Particular attention is paid to immediate responses to oil spills. For instance, provision is made for oil containment booms, high-capacity oil skimmers, outboard oil-in-ice skimmers, an oil-in-ice recovery bucket and other facilities.
Land and marine ecosystems are monitored in the region and bio resources are recovered thanks to fish farm releases.
The project operator is Gazprom Neft and the license holder is Gazprom Neft Shelf (a wholly-owned subsidiary of Gazprom).
Mikhail Ulyanov and Kirill Lavrov with a deadweight (cargo weight) of 70 thousand tons each are super ice-class (Arc6) double hulled oil vessels of 'double action' (operating stern first in ice).
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