The Field ‘Urengoy” one of the largest in the world. It is inferior in terms of the field «North/South Pars” in the waters of Qatar and Iran. Estimated gas reserves are about 10 trillion m3.
The Field ‘Urengoy” is located in Western Siberia, in the Yamalo-Nenets Autonomous Okrug, a few dozen kilometers from the border of the Arctic circle. The name field is associated with the name of the nearby village of Urengoy. Its development led to the birth of the city's gas producers – New Urengoy.
"Urengoy" field discovered in 1966 seismic station V. Tsybenko. An exploration well was drilled in the Purovsky district of the Tyumen region marked the beginning of intense natural gas production, which began in 1978. Over the next three years was raised to the surface 100 billion m3 materials.
The Field is characterized by the following parameters: length-220 km and an area of 6 thousand km2. January 1984 marked an important event – the Urengoy gas started to be exported to Western Europe. The number of raw materials every year, growing from 9 billion m3 of gas in 1978 on the following – 2.5 times more, and in 1986 the volume reached its design capacity. Since 1997, in addition to gas put into operation an oil well.
In 2008 started to develop the Achimov deposits in the rich gas and condensate.
The Urengoy gas are characterized as methane, the proportion of methane 81–94%. Nitrogen and carbon dioxide above 1%.
The Field ‘Urengoy” included in the West Siberian petroleum province and consists of four deposits of natural raw materials, different levels of occurrence, – Cenomanian, Neocomian, Achimov and Jurassic. In the structure of deposits laid rocks of different ages – from the Jurassic to the Paleogene. The complex structure of the Deposit is associated with focal elevations-North, Central and South, which is rich in gas deposits. The limits of the field discovered gas (1) gas (7), gazokondensatnoe (30) and oil (3) deposits.
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Data Processing geological model "Urengoy" field shows that the size of the Achimov deposits – 9137 km2, volumes of fossil gas – 1 trillion m3, gas condensate – 200 million t. This allows us to consider the Achimov deposits of the promising a natural formation that can increase production in existing fields. However, the large depth of the gas layers in combination with ultra-high pressure and the presence of heavy hydrocarbons hindered the development of the field. The project was developed taking into account these factors. Since the Achimov deposits have low productivity, the project involves horizontal drilling of wells with the length of 200–300 meters along the reservoir.
When developing the EN-Yakhinskaya area, part of the Big Urengoy, due to the high content of condensate gas to be used is re-Cycling. Gas is pumped into the productive formation, whereby increased condensatorului. This allows to raise to the surface of the existing condensate and significantly reduces formation losses.
The field ‘city’ objective of increasing the condensate recovery still remains relevant, as significant volumes of condensate reserves remain in the reservoir.
UGM Geological reserves estimated at 16 trillion m3 Natural gas. Condensate presumably lies 1.2 billion T.
At the moment, "Urengoy" field the number of operating wells reached 1300. Exploitation rights owned by “Gazprom dobycha Urengoy”. It is a subsidiary of JSC «Gazprom” (with 100% ownership of shares). By the end of 2008, the volume of gas production by the company has exceeded 6 trillion m. This world record listed in the Guinness Book of records of Russia.
The Exploitation of “the Urengoy” field in the near future involves the development of Achim deposits. In 2011, the research center, OOO «Tumenniigiprogaz” introduced the scheme of technological processes. The document defines the development strategy and considered the interests of all users. The document envisages, from 2015 to 2017 enter three Achimov areas. Condensate production by 2024, at all sites is planned to increase to the projected figures, i.e. in the amount of 10.8 million tonnes per year. The estimated mined volume of gas to 36.8 billion m3 annually is planned to be achieved by 2024-mu. The predicted maximum level of oil production is over 11 million tonnes a year.
The Field ‘Urengoy” is of great importance for the Russian economy. In creating a giant complex of gas production UGM major role played by “VNIPIgazdobycha”. Thanks to many years of work of scientists and designers developed a new technologythe design, created a unique management system development projects of oil and gas.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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