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|Piltun-Astokhskoye oil field
Lunskoye natural gas field
|Partners||Gazprom, Royal Dutch Shell Mitsui, Mitsubishi|
|Discovery||1984 (Lunskoye); 1986 (Piltun-Astokhskoye)|
|Start of development||1994|
|Start of production||1999|
|Current production of oil||395,000 barrels per day (~1.97×107 t/a)|
|Current production of gas||53×106 m3/d (1.9×109 cu ft/d)|
|Estimated oil in place||1,200 million barrels (~1.6×108 t)|
|Estimated gas in place||500×109 m3 (18×1012 cu ft)|
|Producing formations||Astokh feature|
The Sakhalin-2 (Russian: Сахалин-2) project is an oil and gas development in Sakhalin Island, Russia. It includes development of the Piltun-Astokhskoye oil field and the Lunskoye natural gas field offshore Sakhalin Island in the Okhotsk Sea, and associated infrastructure onshore. The project is managed and operated by Sakhalin Energy Investment Company Ltd. (Sakhalin Energy).
Sakhalin-2 includes the first liquefied natural gas plant in Russia. Therefore, the project is of vital importance to Russia's energy policy. This was seen as a reason why the foreign owners of the development were forced to sell a majority stake in the project to Russian gas company Gazprom. The development is situated in areas previously little touched by human activity, causing various groups to criticize the development activities and the impact they have on the local environment.
- 1 History
- 2 Technical features
- 3 Supply contracts
- 4 Consortium
- 5 Financing
- 6 Environmental issues
- 7 See also
- 8 References
- 9 External links
The first ever Russian production sharing agreement was signed in the framework of the Sakhalin-2 project in 1994. Production began from the Molikpaq platform in the Piltun-Astokhskoye field in July 1999, and in September 1999 the first crude oil was exported.
The consortium Sakhalin Energy had a contract to produce gas without a local partner. However, in 2005–2006 the consortium was heavily criticized due to environmental issues and the legal proceeding on violation of the Russian environmental regulations were initiated. Under legal and political pressure, the consortium was forced to sell a majority stake to Gazprom. On 21 December 2006, Gazprom took control over a 50%-plus-one-share stake in the project by signing an agreement with Royal Dutch Shell. Russian President Vladimir Putin attended the signing ceremony in Moscow and indicated that environmental issues had been resolved.
The two fields contain an estimated 1,200 million barrels (190×106 m3) of crude oil and 500 billion cubic meters (18 trillion cubic feet) of natural gas; 9.6 million tonnes of liquefied natural gas per year and about 180,000 barrels per day (29,000 m3/d) of oil will be produced. The total project cost until 2014 was originally estimated by Royal Dutch Shell to be between US$9 and $11 billion. However, the costs turned out to be substantially underestimated and in July 2005 Shell revised the estimate upwards to $20 billion.
Sakhalin-2 project includes:
- Piltun-Astokhskoye-A platform (the Molikpaq, the PA-A)
- Lunskoye-A platform (the Lun-A)
- Piltun-Astokhskoye-B platform (the PA-B)
- Onshore processing facility
- TransSakhalin pipelines
- Oil export terminal
- LNG plant 
- Plans for an additional platform (the PA-C)
The Molikpaq drilling and oil production platform (Piltun-Astokhskoye-A platform) is an ice-resistant structure, originally built to explore for oil in the Canadian Beaufort Sea. It had been mothballed in 1990, and was installed in the Astokh area of the Piltun-Astokhskoye field, 16 kilometres (9.9 mi) offshore, on September 1998. The Molikpaq has production capacity of 90,000 barrels per day (14,000 m3/d) of oil and 1.7 million cubic meters of associated gas. 
The Lunskoye field platform was installed in June 2006 at the Lunskoye gas field 15 kilometres (9.3 mi) offshore. It has production capacity over 50 million cubic meters of natural gas, around 50,000 barrels per day (7,900 m3/d) of peak liquids (associated water and condensate), and 16,000 barrels per day (2,500 m3/d) of oil.
The PA-B platform was installed in July 2007 in the Piltun area of the Piltun-Astokhskoye oil field, 12 kilometres (7.5 mi) offshore. The PA-B has production capacity of 70,000 barrels per day (11,000 m3/d) of oil and 2.8 million cubic meters of associated gas.
Onshore processing facility
The onshore processing facility is located in the north-east of Sakhalin Island, 7 kilometres (4.3 mi) inland in Nogliki district. It is designed to process natural gas, condensate, and oil from the Lunskoye and the Piltun-Astokhskoye fields prior to pipeline transportation to the oil export terminal and the liquefied natural gas plant in Aniva Bay in the south of Sakhalin Island.
The TransSakhalin pipeline system is designed for transportation of hydrocarbons from the Piltun-Astokhskoye and Lunskoye fields in the North of Sakhalin Island to the onshore processing facility in the Nogliki district and to the LNG plant and the oil export terminal in Aniva Bay.
Oil export terminal
The oil export terminal is located in Aniva Bay to the east of the LNG plant. It includes the export pipeline and the tanker loading unit, where oil-loading to tankers is performed.
The Sakhalin-2 LNG plant is the first of its kind in Russia. It is located in Prigorodnoye in Aniva Bay, 13 kilometres (8.1 mi) east of Korsakov. Construction of the LNG plant was carried out by OAO Nipigaspererabothka (Nipigas) and the KhimEnergo consortium, together with two Japanese companies Chiyoda Corporation and Toyo Engineering Corporation. The plant has been designed to prevent major loss of containment in the event of an earthquake and to ensure the structural integrity of critical elements such as emergency shut down valves and the control room of the plant.
The LNG plant includes:
- Two 100,000 cubic metres (3,500,000 cu ft) LNG storage tanks
- An LNG jetty
- Two LNG processing trains, each with capacity of 4.8 million tons of LNG per year
- Two refrigerant storage spheres, 1,600 cubic metres (57,000 cu ft) each (gross capacity) for propane and ethane storage
- A diesel fuel system
- A heat transfer fluid system for the supply of heat to various process consumers
- Five gas turbine driven generators with a total capacity of around 129 MW electrical power
- Utility systems including instrument air and nitrogen plants and diesel fuel systems
- A waste water treatment plant to treat both sewage water and coil-containing water.
The LNG plant production capacity is 9.6 million tons of LNG per year. The consortium is examining the possibility of adding another train. A special gas liquefaction process was developed by Shell for use in cold climates such as Sakhalin, based on the use of a double mixed refrigerant.
The LNG plant has two LNG double-walled, storage tanks with a capacity of 100,000 cubic metres (3,500,000 cu ft) each. LNG is exported via an 805 metres (2,641 ft) jetty in Aniva Bay. The jetty is fitted with four arms – two loading arms, one dual purpose arm and one vapour return arm. The upper deck is designed for a road bed and electric cables. The lower deck is used for the LNG pipeline, communication lines and a footpath. LNG is pumped from the storage tanks into the parallel loading lines which are brought to the LNG jetty. At the jetty head, the pipelines are connected with the jetty's four loading arms. The water depth at the tail of the jetty is 14 metres (46 ft). The jetty will service LNG tankers which have capacities of between 18,000 and 145,000 cubic metres (640,000 and 5,120,000 cu ft). Loading operations are estimated to take from six to 16 hours, depending on vessel capacity. The jetty will be able to handle loading of around 160 LNG carriers per year.
Plans for Piltun-Astokhskoye-C platform
At the 9th meeting of the Western Gray Whale Advisory Panel (December 2010) Sakhalin Energy provided some preliminary information on its plans for a major new development project in the Piltun-Astokh field, called South Piltun. This is likely to include construction and installation of a new platform, called PA-C, approximately halfway between the existing PA-A (Molikpaq) and PA-B platforms.
Contracts for the supply of LNG have been signed with:
- Kyūshū Electric Power Company: 0.5 million tonnes per year - 24 years (June 2004)
- Shell Eastern Trading Ltd: 37 million tonnes over a 20 year period (October 2004)
- Tokyo Gas: 1.1 million tonnes per year - 24 years (February 2005)
- Toho Gas: 0.5 million tonnes per year - 24 years (June 2005)
- Korea Gas Corporation: 1.5 million tonnes per year - 20 years (July 2005)
- Hiroshima Gas Co.Ltd: 0.21 million tonnes per year -20 years (April 2006)
- Tōhoku Electric Power Company: 0.42 million tonnes per year - 20 years (May 2006)
- Osaka Gas: 0.20 million tonnes per annum - 20 years (February 2007)
- Chūbu Electric Power Company: 0.5 million tonnes per year - 15 years (August 2007)
The projects is owned and operated by Sakhalin Energy. Shareholders of Sakhalin Energy are:
- Gazprom Sakhalin Holdings B.V. (subsidiary of Gazprom) - 50% plus 1 share
- Shell Sakhalin Holdings B.V. (subsidiary of Royal Dutch Shell) - 27.5% minus 1 share
- Mitsui Sakhalin Holdings B.V. (subsidiary of Mitsui)- 12.5%
- Diamond Gas Sakhalin (subsidiary of Mitsubishi) - 10%
Sakhalin Energy looked for finances from the European Bank for Reconstruction and Development. However, on 11 January 2007 EBRD withdrew its consideration of financing for Sakhalin-2, claiming that Gazprom's acquisition of the controlling stake of Sakhalin-2 resulted in a to the project making it is unfeasible for the EBRD to pursue the current project. Meanwhile, environmental organizations contend that Sakhalin II had "chronically and substantially violated EBRD's environmental policy".
The consortium applied for nearly a billion dollars in financing from the public export credit agencies of the United States and the United Kingdom, but in early March 2008 these applications were withdrawn due to the drawn-out and uncertain decision making process] by these banks. However, environmental groups contend that the drawn-out process was due to the fact that the company failed to demonstrate compliance with these public banks' environmental policies.
In June 2008 Sakhalin Energy signed Russia's largest project finance deal, securing a loan of US$5.3 billion from the Japan Bank for International Cooperation and a consortium of international banks. Japan Bank for International Cooperation provided $3.7 billion of the funds.
In July 2005, a Russian court upheld the appeal of environmentalists who claimed in a petition that Sakhalin Energy's environmental impact assessment, was inadequate. Sakhalin Energy denied the claims and stated them as vague and inaccurate. The environmental and social concerns came to a head at the end of November 2005 when the chief executive of WWF, Robert Napier, said that it would have a "negative impact on Sakhalin's people and environment". The WWF asserted that Sakhalin-2 threatens marine life as well as potentially damaging the local communities in the region. Sakhalin Energy responded to the WWF's assertion by saying that the project meets lenders' policies and that environmental and social issues have been met.
In September 2006, Sakhalin Energy briefly suspended construction work on its pipelines. Oleg Mitvol, the deputy chief of the Russian Federal Service for Natural Resources, had announced in early August 2006 that, according to his data, Sakhalin Energy failed to take all actions required to eliminate the danger of the mud flow. This was supported by President Vladimir Putin.
Threats to gray whales
One key concern from environmental groups is that the Sakhalin-2 project will harm the western gray whale population. The whales summer feeding grounds are close to the project's offshore platforms in the Sea of Okhotsk.
In 2006, the International Union for Conservation of Nature set up the Western Gray Whale Advisory Panel (WGWAP). Its members are marine scientists who give independent advice to Sakhalin Energy about managing any potential risks to the western gray whales. The Russian Academy of Sciences has identified an increasing population of western gray whales in the Sea of Okhotsk during a photo identification research programme. However, in February 2009 the WGWAP issued an urgent warning that the number of western gray whales observed in the primary (near shore) feeding area had decreased and the panel called for a "...moratorium on all industrial activities, both maritime and terrestrial, that have the potential to disturb gray whales in summer and autumn on and near their main feeding areas." In a meeting in April 2009, the WGWAP reiterated its urgent plea for a moratorium. Sakhalin Energy then agreed to suspend its planned summer 2009 seismic testing.
The Far Eastern Regional Hydrometeorological Research Institute is involved in regular monitoring of the western gray whales near the oil and gas developments on the Sakhalin Shelf.
In December 2008, Sakhalin Energy won the Environmental Project of the Year award. The company’s protection of the Western Gray Whale population was recognised in the Environmental Efficiency of Economics category. The award was presented by Yuri Trutnev, the Russian Federation’s Natural Resources Minister.
The most recent population assesmentin 2008 resulted in an estimate of 130 individuals in the western population. No new reproductive females were recorded in 2010, resulting in a minimum of 26 reproductive females being observed since 1995.
Multiple seismic surveys were conducted near Sakhalin in 2010, carried out separately by three companies Rosneft, Sakhalin Energy and Gazprom. The surveys conducted by Sakhalin Energy and Rosneft apparently had corresponding monitoring and mitigation plans. The monitoring data, including acoustic and visual information on whale distribution and behavior, is yet to be analyzed. Two of those seismic surveys occurred later in the year when more gray whales were present and temporally overlapped.
Other concerns are that the project will threaten the livelihood of tens of thousands of fishermen, destroy the key salmon fishing area off the island by dumping one million tons of dredging spoil waste into the sea, and imply a long-time threat of a large oil spill in the Sea of Okhotsk and Sea of Japan. Dredging of Aniva Bay was completed in 2005. In 2005 the salmon harvest was recorded as an all-time high of more than 134,000 tonnes. In 2007 this record was overturned with a salmon catch of 144,181 tonnes.
Sakhalin Energy paid compensation of $110,000 to the Russian Federation to cover potential fish impacts from the Sakhalin-2 project. This compensation was paid regardless of whether any impact was recorded on the fishing industry or not. Part of these funds was used to set up thriving salmon hatcheries on Sakhalin Island.
Impacts on rivers and streams
According to the Sakhalin Environment Watch, the following environmental changes have occurred:
- Pilenga River: Erosion control is visible on one bank but not on the other bank of the as of April 2006.
- Mereya River: Active slope erosion and water pollution as of July 2005.
- Woskresenkovka River: The clear river is threatened by the creation of a junction of two pipeline trenches filled with mud as of December 2005.
- Golubichnaya River: Normally this river would not be frozen solid in winter but the digging of the trench has provoked the complete lack of river flow as of December 2005.
- Bystraya River: The river ice is covered by soil as a result of the river crossing, which will result in additional contamination when the ice melts as of December 2005.
- Stolichnyi stream: Ploughed-up channel of spawning stream and active erosion and silted processes as of August 2005.
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- Lunskoye Platform (LUN-A) www.sakhalinenergy.ru
- PA-B Platform www.sakhalinenergy.ru
- Onshore Processing Facility www.sakhalinenergy.ru
- Onshore Pipeline www.sakhalinenergy.ru
- Oil Export Terminal www.sakhalinenergy.ru
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- Sakhalin Energy's website
- Gazprom's Sakhalin-II project website
- Shell's Sakhalin-II project website
- Sakhalin Environment Watch An NGO campaigning against the Sakhalin-II
- Sakhalin-2 project on YouTube
- Bankwatch.org: Common_demands_by_NGOs
- Friends of the Earth report: "Sakhalin II - A Production 'Non-Sharing' Agreement, An Analysis of Revenue Distribution" by Dr. Ian Rutledge these links should be converted into inline citations-->