Talakanskoye field: characteristics, development history. Surgutneftegaz. Geological section

Large oil and gas condensate fields are one of the most valuable natural resources in Russia and the world. In this article, we want to tell you about one of them being developed in Yakutia. This is the Talakan deposit. Here are its important characteristics, recall the development history.

What is Talakanskoye oil and gas condensate field?

The subject of our conversation is in the southwest of the Republic of Yakutia, in the middle of the Lena. 300 km from Talakan deposit the city of Kirensk, Irkutsk region, is located. More precise coordinates: 059 ° 49'23 "north latitude, 110 ° 53'03" east longitude.

The license for its development is held by the Surgutneftegaz corporation. The airport of the same name, Talakan, was built by this company for the accelerated development of both the region's industry and social ties.

The balance reserves of this field are estimated at about 125 million tons of oil and 60 billion cubic meters of gas. Annual production for today is 8.435 million tons of "black gold".

Well characteristics

The Talakanskoye field in Yakutia is divided into three zones: Eastern, Central and Taranskaya. Here are some figures that characterize the amount of extracted natural resources:

  • C2 category oil - about 18.1 million tons.
  • C1 oil - about 105.4 million tons.
  • Gas in category C2 - about 19.6 billion cubic meters.
  • Gas category C1 - about 43.4 billion cubic meters.
  • C1 condensate - within 375 thousand tons.

The Talakanskoye field is characterized by a rather close location to the earth's surface of oil-producing formations - 1-1.2 thousand meters. At the same time, in contrast, for example, from West Siberian wells, oil here lies in dolomites (carbonate deposits). Talakan wells are characterized by high production rates.

Features of the field

As a result of the development, two productive horizons were identified:

  • Osinsky (main) - Lower Cambrian. Its first layer is oil-and-gas-saturated limestones with dolomite interlayers, dolomitized limestones and dolomites proper. The second is dense dolomite with oil saturation of 67-86%.
  • Khamakinsky - sediments of the Vendian period.

Gas inflows - up to 550 thousand cubic meters per day. The oil here contains a small percentage of paraffins and sulfur.

The field is characterized by a complex geological and tectonic structure of deposits. At the same time, there is a powerful gas cap and abnormally low reservoir pressure.

Brief development history

The field was discovered in 1987. Its development started in the early nineties. In 1994, a temporary oil pipeline was launched to the Vitim settlement from the Talakanskoye field.

It should also be noted that Surgutneftegaz, which currently owns the license for its development, in 2006-2008. invested 68 billion Russian rubles in the development of this project. In total, 48 wells were drilled.

In October 2008, a part of the Eastern Oil Pipeline with a length of 1105 km was put into operation in reverse mode. It leads from the Talakan field of Surgutneftegaz to Tainshet. This oil pipeline makes it possible to transport "black gold" from the well to the Angarsk petrochemical enterprise. Based on the 2015 data, about 700 tons of oil are produced here every month.

About Surgutneftegaz

The actual owner of the Talakan field is one of the largest domestic gas and oil producing corporations. In terms of revenue, it is one of the ten most profitable companies in Russia (according to the Expert magazine). It was founded in 1993 where the headquarters of Surgutneftegaz is still located.

The general director is V. Bogdanov, and the chairman of the board of directors is V. Erokhin. Surgutneftegaz employs about 110 thousand people. Equity of the company for 2016 amounted to 3.445 trillion Russian rubles. Net profit for 2013 - 256.5 billion rubles.

The main production centers of Surgutneftegaz are concentrated in the Khanty-Mansi Autonomous Okrug. They extract 2.5 billion tonnes of oil equivalent of oil and gas every year. The main deposit of the corporation is Fedorovskoye, located near Surgut. The largest are also:

  • West Surgutskoe.
  • Lyantorskoe.
  • Talakanskoe.
  • Konitlorskoe.
  • Bystrinskoe.
  • Yukyaunskoye.
  • North Labatyuganskoe.
  • Vachimskoe and so on.

The corporation has seven departments:

  • Komsomolskneft.
  • Bytrinskneft.
  • Talakanneft.
  • Lyantorneft.
  • Surgutneft.
  • Fedorovskneft.
  • "Nizhnesortymskneft".

The partners of Surgutneftegas are:

  • Oil refinery "Kirishinefteorgsintez".
  • "Pskovnefteprodukt".
  • Surgut Gas Processing Plant.
  • "Tvernefteprodukt".
  • "Kaliningradnefteproduct"
  • Novgorodnefteprodukt.
  • Design Institute "Lengiproneftekhim".
  • "Surgut NIPIneft".

In the near future, Surgutneftegaz plans to increase its capacity in the Leningrad Region, as well as launch a new production facility near Kirishi.

So we have analyzed the features of the Talakan oil and gas condensate field. We also learned some details about its developer - Surgutneftegaz.

News and Events

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Cumulative oil production at deposit West Qurna-2 within successful implementation the first phase of the project reached 100 million tons. On deposit 184 wells were drilled, average daily production is 400 thousand barrels per day.

For driving...

Meanwhile, our country has a very rich potential. As the chairman of the board of NOVATEK Leonid Mikhelson emphasized, only place of Birth Yamal and Gydana can produce 140 million tons of LNG per year. By the way, in November 2018, NOVATEK put into operation its first ...

oil production.

Rosneft accounts for 35% of the increase in production in Russia and, which is crucially important, over 75% in Eastern Siberia.

Since 1999, the company has ensured the commissioning of 17 new large deposits with a total stock of about 3 ...

studies performed at Kovykta deposit in the Irkutsk region.

“We have protected and put on the state balance of the Russian Federation new reserves of the Leningradskoye gas condensate place of Birth in the Kara Sea, explored a year earlier. New discoveries of steel ...

deposits oil and gas. The branch is also the general designer for the development of offshore oil and gas fields. On the eve of the anniversary, let us turn to the history of this glorious collective.

1940-1950 years
After the war on the territory ...

Information




Azerbaijan can produce up to 50 billion cubic meters of gas per year
LUKOIL produces 100 million tons of oil from the West Qurna-2 field
Russia may take 20% of the global LNG market

Directory of organizations and enterprises

Oriel Resources was founded in 2003. The main activity of the company is the exploration and development of promising deposits chromium, nickel and other alloy metals on the territory of the countries of the former USSR. Oriel Resources owns development licenses ...

We carry out wholesale and retail deliveries of Fuel, with the possibility of delivery to deposits and sites with a deployed capacitive fuel and lubricants park, its own (more than 20 units of fuel trucks) transport in the following priority areas: Tyumen Region ...

Ajax owns the development license place of Birth Goltsovoy. Field Goltsovoye is located 68 kilometers from Omsukchan in the upper reaches of the Viliga River. This is silver field, where lead can be extracted along the way. Silver reserves are now estimated at ...

Cape Alumina is an Australian exploration company dedicated to the development of bauxite deposits... The company has two depositsthat have not been drilled yet. According to available estimates, the reserves of one of deposits...

Branch: Ferrous and non-ferrous metallurgy GEOLOGICAL SURVEYS, DEVELOPMENT DEPOSITS MINERALS, EXPLORATION OF NON-FERROUS METAL ORE.

Offers for the purchase and sale of products

Selling leftovers in the warehouse: Throttle valves with electric drives MEOF for hydraulic fracturing AMAKS-gas, ZDE-150-1, 6-1, 1. 4 pcs. Dampers AMAKS-ZDE- 50-1, 6-1, 1.2 pcs. Photos on request! Prices are negotiated individually ...

We offer the supply of oil by pipeline from Surgutneftegas. Volumes - from 10,000 tons per month Price - from 19,000 rubles per ton [email protected]

GOSTs, TU, standards

The standard is designed to study the properties of overburden and enclosing rocks and their mixtures in the exploration of mineral deposits, design and implementation of reclamation work on lands disturbed in the process of mining and ...

The loss of the mass fraction of the substance during the calcining of the cord is determined according to GOST 22030-76, asbestos - depending on the deposit according to GOST 12871-83. 4.6.

and technical specifications on clays of specific deposits. 5.1.2 In terms of physical and mechanical properties, clays must meet the requirements specified in Table 2. Table 2 Grade Compressive strength, Pa (kgf / cm2), not less in wet ...

No more Not standardized 1 Not standardized 1 According to GOST 26318.11-84 Notes: 1. Indicator “ Mass fraction titanium dioxide "for feldspar and quartz-feldspar materials of all grades is determined during the development of new deposits or areas.

A batch is considered the amount of bentonite of one deposit, one quarry, one grade and accompanied by one quality document. 3.2. To check the quality of bentonite, take a total sample weighing at least 10 kg.

Oil is one of the most valuable minerals on our planet. Formed several million years ago, it is stored in the bowels of the Earth, sometimes in hard-to-reach places, giving mankind the opportunity to use it as a fuel and energy resource.

Here is a map of oil and gas fields in Russia online.
Natural oil reservoirs usually contain gas, which is the cheapest fuel.
Russia is among the top ten countries - leaders in the presence and production of oil reserves. The number of explored deposits is about two thousand, however, some of them are still ineffective for production, but the largest are actively used.

Oil and gas fields on the map of Russia

If you look at the map of oil and gas fields, you can see that a significant part of oil and gas basins are located in Western Siberia, on Far East and in the Arctic. On the Internet, you can find many maps, including online, which show all the main deposits.

You can download such a map to your phone or tablet and use it freely in the future.
The largest oil and gas fields are Priobskoye, Fedorovskoye, Samotlorskoye, Lyantorskoye and Romashkinskoye.

They were developed back in the 70-80s of the last century, but until now, these fields produce 15-20 thousand tons per day.

Interestingly, four of them are located in the Khanty-Mansiysk Autonomous Okrug, and whole cities, such as Nizhnevartovsk, have gradually grown out of villages intended for oil workers.

Moreover, many companies engaged in oil production prefer to combine it with refining and delivery of customers, and especially large ones independently finance geological research.

Three more large maps are available for enlargement and download

So, the map of oil and gas fields shows that near the cities of Nizhnevartovsk, Surgut there are several places of oil production, processing plants are concentrated there, and contracts are concluded for the sale and supply of minerals.

The richest gas fields are also concentrated in Western Siberia. The five largest include: Yamburgskoye, Leningradskoye, Urengoyskoye, Rusanovskoye and Bovanenkovskoye. Their total volume is estimated at more than 17 trillion cubic meters, which will make it possible to use these fields for many years to come, even while maintaining the current production level.
The production of gas and oil in the Arctic is a difficult task and vital for Russia, since the produced hydrocarbons are not only used for the functioning of its own industry, but are also actively sold to other states, replenishing the budget.

The main problem of the northern fields is the lack of communications, as well as the harsh climatic conditions. As evidenced by the map of oil and gas fields in Russia, part of the deposits are in the sea, most of the year covered with ice, which further complicates the process. However, the use of modern technologies allows the development of the Arctic territory, and perhaps in the near future the development of oil and gas in the Arctic will become more accessible. Today, it is predominantly a Sakhalin region.

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On the territory of OJSC “Surgutneftegas” operations, there are prevailing stratal vaulted and lithologically screened types of deposits. Less common are massive, tectonically screened and structurally lithological. In the area of \u200b\u200boperation of OJSC “Surgutneftegas” in Western Siberia, the reservoirs of almost all the identified deposits are represented by sandstones and siltstones (layers AS4-Yu. BS1-4, BS10-11. BS14-23, YuS1-4) mainly with pore, terrigenous, fractured-porous the type of reservoir, except for the YUS0 formation, represented by bituminous mudstones with fractured and fractured-cavernous reservoir types.

They are characterized by significant changes in reservoir properties both in area and in section. At the Rogozhnikovskoye field, the VK1, YuK2-3 and YuK4 formations are also represented by sandstones, siltstones and silty clays with coal interlayers.

The YuK0, YuK1 strata are represented by bituminized and carbonated deep-water deposits with high dissection and strong lithological heterogeneity along the section. The sediments are represented by volcanic effusive formations of acidic rare - medium composition with subordinate interlayers of terrigenous deposits with a terrigenous, porous reservoir type. At the Talakanskoye field in Eastern Siberia, the O1 reservoir is represented by calcareous dolomites and dolomitized limestones with small proportions of anhydrites with high zonal and layer-by-layer heterogeneity, large dissection and complex structure of fractured-cavernous-porous reservoir.

The reservoir of the productive formation B10 of the Alinskoye field is represented by interlayering of different-grained quartz sandstones with clay cement, siltstones, mudstones and gravelly sandstones with a pore-type reservoir.

Reservoirs of the P2ul and P1kl formations of the Nenets field (NAO) are represented by sandstones with carbonate-clayey cement, the P1k2 layer - clayey limestones with interlayers of marls, the P1a-s layer - algal-organogenic limestones. All productive formations are heterogeneous, which has a significant impact on the distribution of oil and gas reserves, on the nature of the filtration of liquids and gas and, accordingly, on the substantiation of reservoir development technologies.

Characterization of reservoir fluids in Eastern Siberia

To date, commercial exploitation of deposits and prospecting works are being carried out in the Republic of Sakha (Yakutia). The features of the studied fields are abnormally low reservoir temperatures (11-17 ° C) and low reservoir pressures. Reservoir oils in the conditions of occurrence have a relatively high degree of gas saturation: the gas factor of differential gas saturation ranges from 60 m3 / t to 100 m3 / t, respectively, with an increase in the gas content, the saturation pressure increases from 6.9 MPa to 9.9 MPa, the viscosity of oil in the reservoir pressure and temperature changes from 2.4 mPa * s to 6.6 mPa * s.

Degassed oil under surface (standard) conditions has a density in the range of 831-862 kg / m3 (on average 842 kg / m3, i.e. light according to technological classification), is characterized as low-viscosity (viscosity at 20 ° C ranges from 8.4 to 36 mPa * s with an average value of 12.8 mPa * s), mainly low-sulfur (sulfur content from 0.10 to 0.72% with an average value of 0.49 wt%), paraffinic (wax content from 0.50 to 4 , 04% with an average value of 2.0 wt%), mainly low resinous (the content of silica gel resins is from 2.89 to 21.90% with an average value of 7.5 wt%), the yield of light fractions up to 350 ° C is about 48 fifty%.

According to the results of X-ray fluorescence analysis, the content of vanadium and nickel in oil does not exceed 5 g / t. A feature of degassed oil from the Osinsky horizon of the Talakan field is the presence of low-boiling sulfur-containing components in its composition. Dissolved (petroleum) gas-methane type (methane concentration 58-78% by volume) with a low content of non-carbon components (carbon dioxide, nitrogen - on average no more than 2% by volume), hydrogen sulfide in the gas is absent (or is present in trace amounts - much lower 20 mg / m3).

The helium content of dissolved gas rarely exceeds the threshold value of 0.005% by volume. The formation waters of carbonate deposits are represented by brines with a salinity of about 400 g / l. The salt composition is dominated by calcium chlorides and sodium chlorides. The density of water in surface (standard) conditions is 1240-1300 kg / m3, the average density in reservoir conditions is about 1280 kg / m3.

Average gas saturation of stratal waters averages 0.36 m3 / m3. The composition of the dissolved gas is predominantly methane with a high content of heavy hydrocarbons. The viscosity of water in the reservoir and at the surface is abnormally high (2.2-2.9 mPa * s) due to high salinity and low reservoir temperature.

Figure 1. Overview map of the fields of OJSC "Surgutneftegas"