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150-456: Grozny ( Russian : Грозный , IPA: [ˈgroznɨj] ; Chechen : Соьлжа-ГӀала , romanized:  Sölƶa-Ġala ) is the capital city of Chechnya , Russia . The city lies on the Sunzha River . According to the 2021 census , it had a population of 328,533 — up from 210,720 recorded in the 2002 census , but still less than the 399,688 recorded in the 1989 census . It

300-674: A constitutional referendum on whether to adopt Russian as a second official language. According to the Central Election Commission, 74.8% voted against, 24.9% voted for and the voter turnout was 71.1%. Starting in 2019, instruction in Russian will be gradually discontinued in private colleges and universities in Latvia, and in general instruction in Latvian public high schools. On 29 September 2022, Saeima passed in

450-521: A harassment and discrimination from the new authorities. These events are perceived by some as an act of an ethnic cleansing of non-Chechens, which has been reflected in the materials of General Prosecutor's office of the Russian Federation . This view is disputed by authors, such as Russian economists Boris Lvin and Andrei Illarionov , who argue that Russian emigration from the area was no more intense than in other regions of Russia at

600-519: A new education law which requires all schools to teach at least partially in Ukrainian, with provisions while allow indigenous languages and languages of national minorities to be used alongside the national language. The law faced criticism from officials in Russia and Hungary. The 2019 Law of Ukraine "On protecting the functioning of the Ukrainian language as the state language" gives priority to

750-445: A cap rock) is a fundamental part of the trap that prevents hydrocarbons from further upward migration. A capillary seal is formed when the capillary pressure across the pore throats is greater than or equal to the buoyancy pressure of the migrating hydrocarbons. They do not allow fluids to migrate across them until their integrity is disrupted, causing them to leak. There are two types of capillary seal whose classifications are based on

900-406: A consequence, oil and natural gas are often found together. In common usage, deposits rich in oil are known as oil fields, and deposits rich in natural gas are called natural gas fields. In general, organic sediments buried in depths of 1,000 m to 6,000 m (at temperatures of 60 ° C to 150 °C) generate oil, while sediments buried deeper and at higher temperatures generate natural gas. The deeper

1050-407: A few, very large offshore drilling rigs, due to the cost and logistical difficulties in working over water. Rising gas prices in the early 21st century encouraged drillers to revisit fields that previously were not considered economically viable. For example, in 2008 McMoran Exploration passed a drilling depth of over 32,000 feet (9754 m) (the deepest test well in the history of gas production) at

1200-481: A formula with V standing for the nucleus (vowel) and C for each consonant, the maximal structure can be described as follows: (C)(C)(C)(C)V(C)(C)(C)(C) Oil field Reservoirs are broadly classified as conventional and unconventional reservoirs. In conventional reservoirs, the naturally occurring hydrocarbons, such as crude oil ( petroleum ) or natural gas , are trapped by overlying rock formations with lower permeability , while in unconventional reservoirs

1350-558: A hard or soft counterpart, and the distinction is a prominent feature of the language, which is usually shown in writing not by a change of the consonant but rather by changing the following vowel. Another important aspect is the reduction of unstressed vowels . Stress , which is often unpredictable, is not normally indicated orthographically , though an optional acute accent may be used to mark stress – such as to distinguish between homographic words (e.g. замо́к [ zamók , 'lock'] and за́мок [ zámok , 'castle']), or to indicate

1500-484: A language that "belongs to the European cultural space". The financing of Russian-language content by the state will cease, which the concept says create a "unified information space". However, one inevitable consequence would be the closure of public media broadcasts in Russian on LTV and Latvian Radio, as well as the closure of LSM's Russian-language service. In Lithuania , Russian has no official or legal status, but

1650-588: A lesser extent the languages to the south and the east: Uralic , Turkic , Persian , Arabic , and Hebrew . According to the Defense Language Institute in Monterey, California , Russian is classified as a level III language in terms of learning difficulty for native English speakers, requiring approximately 1,100 hours of immersion instruction to achieve intermediate fluency. Feudal divisions and conflicts created obstacles between

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1800-484: A long host of undesirable jobs, as well as the so-called "informal sector" (i.e. illegal, due to the mass discrimination in the legal sector). At the same time a great deal of development occurred in the city. Like many other Soviet cities, the Stalinist style of architecture was prevalent during this period, with apartments in the centre as well as administrative buildings including the massive Council of Ministers and

1950-622: A minority language under the Framework Convention for the Protection of National Minorities . 30% of the population was fluent in Russian in 2006, and 2% used it as the main language with family, friends, or at work. In Azerbaijan , Russian has no official status, but is a lingua franca of the country. 26% of the population was fluent in Russian in 2006, and 5% used it as the main language with family, friends, or at work. In Georgia , Russian has no official status, but it

2100-467: A proposition which was rejected by his son Ramzan Kadyrov , the prime minister and later president of the republic. The fortress of Groznaya ( Гро́зная ; lit. fearsome – a feminine form of Grozny, as the word fortress, " крепость ", is feminine in Russian) was founded in 1818 as a Russian military outpost on the Sunzha River by general Aleksey Petrovich Yermolov . As the fort was being built,

2250-526: A qualitatively new entity can be said to emerge—the general language of the working class... capitalism has the tendency of creating the general urban language of a given society. In 2010, there were 259.8 million speakers of Russian in the world: in Russia – 137.5 million, in the CIS and Baltic countries – 93.7 million, in Eastern Europe – 12.9 million, Western Europe – 7.3 million, Asia – 2.7 million, in

2400-471: A result of changes in the structure of the subsurface from processes such as folding and faulting , leading to the formation of domes , anticlines , and folds. Examples of this kind of trap are an anticline trap, a fault trap, and a salt dome trap. They are more easily delineated and more prospective than their stratigraphic counterparts, with the majority of the world's petroleum reserves being found in structural traps. Stratigraphic traps are formed as

2550-435: A result of lateral and vertical variations in the thickness, texture, porosity, or lithology of the reservoir rock. Examples of this type of trap are an unconformity trap, a lens trap and a reef trap. Hydrodynamic traps are a far less common type of trap. They are caused by the differences in water pressure, that are associated with water flow, creating a tilt of the hydrocarbon-water contact. The seal (also referred to as

2700-506: A self-feeding cycle of ethnic conflict between the two groups, both believing the other's presence in the city was illegitimate. Once again migration of non-Russians into Grozny continued whilst the ethnic Russian population, in turn, moved to other parts of the USSR, notably the Baltic states , after inter-ethnic conflict broke out briefly in 1958 . According to sociologist Georgy Derluguyan,

2850-502: A significantly higher displacement pressure such that the pressure required for tension fracturing is actually lower than the pressure required for fluid displacement—for example, in evaporites or very tight shales. The rock will fracture when the pore pressure is greater than both its minimum stress and its tensile strength then reseal when the pressure reduces and the fractures close. Unconventional (oil & gas) reservoirs are accumulations where oil and gas phases are tightly bound to

3000-618: A surprise attack. They surrounded and routed its entire garrison of 10,000 MVD troops, while fighting off the Russian Army units from the Khankala base. The battle ended with a final ceasefire and Grozny was once again in the hands of Chechen separatists. The name was changed to Djohar in 1997 by the President of the separatist Ichkeria republic, Aslan Maskhadov . By this time most of the remaining Russian minority had fled. Grozny

3150-534: A third of the total Chechen population that was deported to nearly half dying during those four years (rates for other groups for those four years hover around 20%). All traces of them in the city, including books and graveyards, were destroyed by the NKVD troops. The act was recognized by the European Parliament as an act of genocide in 2004. Grozny became the administrative centre of Grozny Oblast of

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3300-539: Is Belarusian, among ethnic Belarusians this share is 28.5%; the highest share of those who speak Belarusian at home is among ethnic Poles — 46.0%. In Estonia , Russian is spoken by 29.6% of the population, according to a 2011 estimate from the World Factbook, and is officially considered a foreign language. School education in the Russian language is a very contentious point in Estonian politics, and in 2022,

3450-481: Is a co-official language per article 5 of the Constitution of Kyrgyzstan . The 2009 census states that 482,200 people speak Russian as a native language, or 8.99% of the population. Additionally, 1,854,700 residents of Kyrgyzstan aged 15 and above fluently speak Russian as a second language, or 49.6% of the population in the age group. In Tajikistan , Russian is the language of inter-ethnic communication under

3600-401: Is a high degree of mutual intelligibility between Russian, Belarusian and Ukrainian , and a moderate degree of it in all modern Slavic languages, at least at the conversational level. Russian is written using a Cyrillic alphabet. The Russian alphabet consists of 33 letters. The following table gives their forms, along with IPA values for each letter's typical sound: Older letters of

3750-610: Is a post-posed definite article -to , -ta , -te similar to that existing in Bulgarian and Macedonian. In the Southern Russian dialects , instances of unstressed /e/ and /a/ following palatalized consonants and preceding a stressed syllable are not reduced to [ɪ] (as occurs in the Moscow dialect), being instead pronounced [a] in such positions (e.g. несл и is pronounced [nʲaˈslʲi] , not [nʲɪsˈlʲi] ) – this

3900-673: Is an East Slavic language belonging to the Balto-Slavic branch of the Indo-European language family . It is one of the four extant East Slavic languages, and is the native language of the Russians . It was the de facto and de jure official language of the former Soviet Union . Russian has remained an official language of the Russian Federation , Belarus , Kazakhstan , Kyrgyzstan , and Tajikistan , and

4050-428: Is an economic benefit worthy of commercial attention. Oil fields may extend up to several hundred kilometers across the surface, meaning that extraction efforts can be large and spread out across the area. In addition to extraction equipment, there may be exploratory wells probing the edges to find more reservoir area, pipelines to transport the oil elsewhere, and support facilities. Oil fields can occur anywhere that

4200-402: Is analogous to saying that the oil which can be extracted forms within the source rock itself, as opposed to accumulating under a cap rock. Oil sands are an example of an unconventional oil reservoir. Unconventional reservoirs and their associated unconventional oil encompass a broad spectrum of petroleum extraction and refinement techniques, as well as many different sources. Since the oil

4350-403: Is being pursued at a higher rate because of the scarcity of conventional reservoirs around the world. After the discovery of a reservoir, a petroleum engineer will seek to build a better picture of the accumulation. In a simple textbook example of a uniform reservoir, the first stage is to conduct a seismic survey to determine the possible size of the trap. Appraisal wells can be used to determine

4500-488: Is being used less frequently by Russian-speaking typists in favor of the extension of Unicode character encoding , which fully incorporates the Russian alphabet. Free programs are available offering this Unicode extension, which allow users to type Russian characters, even on Western 'QWERTY' keyboards. The Russian language was first introduced to computing after the M-1 , and MESM models were produced in 1951. According to

4650-452: Is best to manage the gas cap effectively, that is, placing the oil wells such that the gas cap will not reach them until the maximum amount of oil is produced. Also a high production rate may cause the gas to migrate downward into the production interval. In this case, over time the reservoir pressure depletion is not as steep as in the case of solution-based gas drive. In this case, the oil rate will not decline as steeply but will depend also on

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4800-624: Is called yakanye ( яканье ). Consonants include a fricative /ɣ/ , a semivowel /w⁓u̯/ and /x⁓xv⁓xw/ , whereas the Standard and Northern dialects have the consonants /ɡ/ , /v/ , and final /l/ and /f/ , respectively. The morphology features a palatalized final /tʲ/ in 3rd person forms of verbs (this is unpalatalized in the Standard and Northern dialects). During the Proto-Slavic (Common Slavic) times all Slavs spoke one mutually intelligible language or group of dialects. There

4950-426: Is called the stock tank oil initially in place . As a result of studying factors such as the permeability of the rock (how easily fluids can flow through the rock) and possible drive mechanisms, it is possible to estimate the recovery factor, or what proportion of oil in place can be reasonably expected to be produced. The recovery factor is commonly 30–35%, giving a value for the recoverable resources. The difficulty

5100-490: Is contained within the source rock, unconventional reservoirs require that the extracting entity function as a mining operation rather than drilling and pumping like a conventional reservoir. This has tradeoffs, with higher post-production costs associated with complete and clean extraction of oil being a factor of consideration for a company interested in pursuing a reservoir. Tailings are also left behind, increasing cleanup costs. Despite these tradeoffs, unconventional oil

5250-660: Is located along the Sunzha River , a major tributary of the Terek River . The city is located in a valley approximately 80 kilometres (50 miles) north of the main range of the Greater Caucasus Mountains . Grozny has a humid continental climate ( Köppen Dfa ) with hot summers and cold winters. Precipitation peaks during early summer, where sunshine hours also peak. Grozny is twinned with: Former twin towns: [REDACTED] Grozny travel guide from Wikivoyage Russian language Russian

5400-431: Is more accurate to divide the oil industry into three sectors: upstream ( crude oil production from wells and separation of water from oil ), midstream (pipeline and tanker transport of crude oil) and downstream ( refining of crude oil to products, marketing of refined products, and transportation to oil stations). More than 65,000 oil fields are scattered around the globe, on land and offshore. The largest are

5550-573: Is more spoken than English. Sizable Russian-speaking communities also exist in North America, especially in large urban centers of the US and Canada, such as New York City , Philadelphia , Boston , Los Angeles , Nashville , San Francisco , Seattle , Spokane , Toronto , Calgary , Baltimore , Miami , Portland , Chicago , Denver , and Cleveland . In a number of locations they issue their own newspapers, and live in ethnic enclaves (especially

5700-564: Is odd") – чу́дно ( chúdno – "this is marvellous"), молоде́ц ( molodéts – "well done!") – мо́лодец ( mólodets – "fine young man"), узна́ю ( uznáyu – "I shall learn it") – узнаю́ ( uznayú – "I recognize it"), отреза́ть ( otrezát – "to be cutting") – отре́зать ( otrézat – "to have cut"); to indicate the proper pronunciation of uncommon words, especially personal and family names, like афе́ра ( aféra , "scandal, affair"), гу́ру ( gúru , "guru"), Гарси́я ( García ), Оле́ша ( Olésha ), Фе́рми ( Fermi ), and to show which

5850-402: Is recognized as a minority language under the Framework Convention for the Protection of National Minorities . Russian is the language of 9% of the population according to the World Factbook. Ethnologue cites Russian as the country's de facto working language. In China , Russian has no official status, but it is spoken by the small Russian communities in the northeastern Heilongjiang and

6000-649: Is shared between Iran and Qatar . The second largest natural gas field is the Urengoy gas field , and the third largest is the Yamburg gas field , both in Russia . Like oil, natural gas is often found underwater in offshore gas fields such as the North Sea , Corrib Gas Field off Ireland , and near Sable Island . The technology to extract and transport offshore natural gas is different from land-based fields. It uses

6150-569: Is sometimes considered to have played a significant role in the formation of modern Russian. Also, Russian has notable lexical similarities with Bulgarian due to a common Church Slavonic influence on both languages, but because of later interaction in the 19th and 20th centuries, Bulgarian grammar differs markedly from Russian. Over the course of centuries, the vocabulary and literary style of Russian have also been influenced by Western and Central European languages such as Greek, Latin , Polish , Dutch , German, French, Italian, and English, and to

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6300-585: Is spoken by 14.2% of the population according to an undated estimate from the World Factbook. In 2005, Russian was the most widely taught foreign language in Mongolia, and was compulsory in Year 7 onward as a second foreign language in 2006. Around 1.5 million Israelis spoke Russian as of 2017. The Israeli press and websites regularly publish material in Russian and there are Russian newspapers, television stations, schools, and social media outlets based in

6450-625: Is still commonly used as a lingua franca in Ukraine , Moldova , the Caucasus , Central Asia , and to a lesser extent in the Baltic states and Israel . Russian has over 258 million total speakers worldwide. It is the most spoken native language in Europe , the most spoken Slavic language , as well as the most geographically widespread language of Eurasia . It is the world's seventh-most spoken language by number of native speakers , and

6600-413: Is that reservoirs are not uniform. They have variable porosities and permeabilities and may be compartmentalized, with fractures and faults breaking them up and complicating fluid flow. For this reason, computer modeling of economically viable reservoirs is often carried out. Geologists, geophysicists, and reservoir engineers work together to build a model that allows simulation of the flow of fluids in

6750-518: Is the stressed word in a sentence, for example Ты́ съел печенье? ( Tý syel pechenye? – "Was it you who ate the cookie?") – Ты съе́л печенье? ( Ty syél pechenye? – "Did you eat the cookie?) – Ты съел пече́нье? ( Ty syel pechénye? "Was it the cookie you ate?"). Stress marks are mandatory in lexical dictionaries and books for children or Russian learners. The Russian syllable structure can be quite complex, with both initial and final consonant clusters of up to four consecutive sounds. Using

6900-940: Is usually necessary to drill into the Earth's crust, although surface oil seeps exist in some parts of the world, such as the La Brea Tar Pits in California and numerous seeps in Trinidad . Factors that affect the quantity of recoverable hydrocarbons in a reservoir include the fluid distribution in the reservoir, initial volumes of fluids in place, reservoir pressure, fluid and rock properties, reservoir geometry, well type, well count, well placement, development concept, and operating philosophy. Modern production includes thermal , gas injection , and chemical methods of extraction to enhance oil recovery. A virgin reservoir may be under sufficient pressure to push hydrocarbons to

7050-470: The 2011 Lithuanian census , Russian was the native language for 7.2% of the population. In Moldova , Russian was considered to be the language of interethnic communication under a Soviet-era law. On 21 January 2021, the Constitutional Court of Moldova declared the law unconstitutional and deprived Russian of the status of the language of interethnic communication. 50% of the population

7200-1000: The Apollo–Soyuz mission, which first flew in 1975. In March 2013, Russian was found to be the second-most used language on websites after English. Russian was the language of 5.9% of all websites, slightly ahead of German and far behind English (54.7%). Russian was used not only on 89.8% of .ru sites, but also on 88.7% of sites with the former Soviet Union domain .su . Websites in former Soviet Union member states also used high levels of Russian: 79.0% in Ukraine, 86.9% in Belarus, 84.0% in Kazakhstan, 79.6% in Uzbekistan, 75.9% in Kyrgyzstan and 81.8% in Tajikistan. However, Russian

7350-413: The Constitution of Tajikistan and is permitted in official documentation. 28% of the population was fluent in Russian in 2006, and 7% used it as the main language with family, friends or at work. The World Factbook notes that Russian is widely used in government and business. In Turkmenistan , Russian lost its status as the official lingua franca in 1996. Among 12% of the population who grew up in

7500-622: The Delimobil car sharing company officially provided the capital of the Chechen Republic with 30 Hyundai Solaris . To drive the automobiles, the user has to book them through the app of the owning company. In the same year the Delisamokat provided the city with 120 electric scooters and some scooter stations. Grozny is home to Russian Football Premier League club FC Akhmat Grozny . After winning promotion by coming 2nd in

7650-634: The Ghawar Field in Saudi Arabia and the Burgan Field in Kuwait , with more than 66 to 104 billion barrels (9.5×10 m ) estimated in each. In the modern age, the location of oil fields with proven oil reserves is a key underlying factor in many geopolitical conflicts. Natural gas originates by the same geological thermal cracking process that converts kerogen to petroleum. As

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7800-684: The Grozny University buildings being constructed in Grozny. Later projects included the high-rise apartment blocks prominent in many Soviet cities, as well as a city airport. In 1989, the population of the city was almost 400,000 people. After the collapse of the Soviet Union , Grozny became the seat of a separatist government led by Dzhokhar Dudayev . According to some, many of the remaining Russian and other non-Chechen residents fled or were expelled by groups of militants , adding to

7950-712: The Russian First Division in 2007, Akhmat Grozny finished 10th in the Russian Premier League in 2008. The team still plays in the top tier. The club is owned by Ramzan Kadyrov and plays in the recently built city's Akhmat Stadium . Ruud Gullit was the team manager from the beginning of the season 2011, but was later sacked by the club in June. The city is also home to the Fort Grozny motor racing circuit, which opened in 2015. The city

8100-699: The Russian SFSR on 17 March. Simultaneously it became part of the Soviet Mountain Republic , which was formed on 20 January 1921, and was the capital of the Chechen National Okrug inside it. On 30 November 1922, the mountain republic was dissolved, and the national okrug became the Chechen Autonomous Oblast (Chechen AO) with Grozny as the administrative centre. At this time most of the population

8250-533: The Russian SFSR , and the city at the time was again wholly Russian. In 1957, the Chechen-Ingush ASSR was restored, and the Chechens were allowed to return. The return of the Chechens to Grozny, which had been lacking of Nakh for thirteen years, would cause massive disruptions to the social, economic and political systems of what had been a Russian city for the period until their return. This caused

8400-498: The Second Chechen War , little of the infrastructure of either system was left. The Ministry of Transport of the Chechen Republic, created in 2002, decided not to rebuild the tram system (considered too expensive and no longer meeting the city's needs, as it had by then lost half of its population). Rebuilding of the trolleybus system, however, is still under consideration. The city is served by Grozny Airport . In 2018

8550-584: The Ukrainian language in more than 30 spheres of public life: in particular in public administration , media, education, science, culture, advertising, services . The law does not regulate private communication. A poll conducted in March 2022 by RATING in the territory controlled by Ukraine found that 83% of the respondents believe that Ukrainian should be the only state language of Ukraine. This opinion dominates in all macro-regions, age and language groups. On

8700-721: The United States Census , in 2007 Russian was the primary language spoken in the homes of over 850,000 individuals living in the United States. Russian is one of the official languages (or has similar status and interpretation must be provided into Russian) of the following: The Russian language is also one of two official languages aboard the International Space Station – NASA astronauts who serve alongside Russian cosmonauts usually take Russian language courses. This practice goes back to

8850-687: The Wehrmacht from his generals who had repeatedly prioritized the two major cities over the oil supplies – against Hitler's express orders. Soviet doctrine however never failed to prioritize the food of Ukraine nor the oil of the Caucasus, which resulted in drastic action after Germany's expulsion/retreat in 1943. In 1944, the entire population of Chechens and Ingush was deported after being falsely accused of collaborating with advancing armed forces of Nazi Germany . Large numbers of people who were not deemed fit for transport were "liquidated" on

9000-407: The administrative centre of Groznensky Municipal District, but not of the corresponding administrative district . For administrative purposes, the city is divided into four city districts: Akhmatovsky , Baysangurovsky , Visaitovsky , Sheikh-Mansurovsky . Grozny is known for its modern architecture and as a spa town and although nearly all the town was destroyed or seriously damaged during

9150-560: The aquatic ecosystem , which is usually a sea but might also be a river, lake, coral reef, or algal mat , the formation of an oil or gas reservoir also requires a sedimentary basin that passes through four steps: Timing is also an important consideration; it is suggested that the Ohio River Valley could have had as much oil as the Middle East at one time, but that it escaped due to a lack of traps. The North Sea , on

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9300-407: The buoyancy forces driving the upward migration of hydrocarbons through a permeable rock cannot overcome the capillary forces of a sealing medium. The timing of trap formation relative to that of petroleum generation and migration is crucial to ensuring a reservoir can form. Petroleum geologists broadly classify traps into three categories that are based on their geological characteristics:

9450-599: The "fearsome" fort receive its baptism of fire. It was a prominent defense centre during the Caucasian War . Russian poets Alexander Griboedov , Alexander Polezhayev , Mikhail Lermontov , the classic of Russian literature Leo Tolstoy , the Decembrist and writer Alexander Bestuzhev and other famous figures of Russian culture visited the fortress. After the annexation of the region by the Russian Empire ,

9600-468: The 20th century, Russian was a mandatory language taught in the schools of the members of the old Warsaw Pact and in other countries that used to be satellites of the USSR. According to the Eurobarometer 2005 survey, fluency in Russian remains fairly high (20–40%) in some countries, in particular former Warsaw Pact countries. In Armenia , Russian has no official status, but it is recognized as

9750-471: The Belarusian society the Russian language prevails, so according to the 2019 census 6,718,557 people (71.4% of the total population) stated that they speak Russian at home, for ethnic Belarusians this share is 61.4%, for Russians — 97.2%, for Ukrainians — 89.0%, for Poles — 52.4%, and for Jews — 96.6%; 2,447,764 people (26.0% of the total population) stated that the language they usually speak at home

9900-671: The Blackbeard site in the Gulf of Mexico. ExxonMobil 's drill rig there had reached 30,000 feet by 2006, without finding gas, before it abandoned the site. Crude oil is found in all oil reservoirs formed in the Earth's crust from the remains of once-living things. Evidence indicates that millions of years of heat and pressure changed the remains of microscopic plants and animals into oil and natural gas. Roy Nurmi, an interpretation adviser for Schlumberger oil field services company, described

10050-456: The Caucasus ). The failure to take Grozny was a major defeat for Germany and was a factor in holding fast at the Battle of Stalingrad , as that city could have served as a base from which to take Grozny or cut off oil supplies up the Volga River from Astrakhan . The failure to prioritize Grozny, even transferring critical Panzer divisions north to the Siege of Leningrad , was a major factor in Adolf Hitler taking operational level control of

10200-401: The Chechen Wars, it has since been entirely rebuilt. It is home to Chechen State University and FC Akhmat Grozny , which after a fifteen-year absence from its home town returned to Grozny in March 2008. Also in Grozny is Chechen State Pedagogical Institute and Grozny State Oil Technical University . The first train pulled into the Grozny Railway station on 1 May 1893. On 5 November 1932,

10350-459: The Checheno-Ingush Republic's economy was divided into two spheres – much like French settler-ruled Algeria – and the Russian sphere had all the jobs with higher salaries, while non-Russians were systematically kept out of all government positions. Russians (as well as Ukrainians and Armenians) worked in education, health, oil, machinery, and social services. Non-Russians (excluding Ukrainians and Armenians) worked in agriculture, construction,

10500-399: The FSK (former KGB , not long after renamed FSB ); their capture was sometimes cited as one of the reasons for Boris Yeltsin 's decision to openly intervene. In the meantime, Grozny airport and other targets were bombed by unmarked Russian aircraft. During the First Chechen War , Grozny was the site of an intense battle lasting from December 1994 to February 1995 and ultimately ending with

10650-409: The Great and developed from the Moscow ( Middle or Central Russian ) dialect substratum under the influence of some of the previous century's Russian chancery language. Prior to the Bolshevik Revolution , the spoken form of the Russian language was that of the nobility and the urban bourgeoisie. Russian peasants, the great majority of the population, continued to speak in their own dialects. However,

10800-406: The Grozny tram system was opened to the public, and by 1990 it was 85-kilometer (53 mi) long, with 107 new Russian-built KTM-5 trams that it received in the late 1980s, and two depots. The Grozny trolleybus system began operation on 31 December 1975, and by 1990 was approximately 60-kilometer (37 mi) long, with 58 buses and one depot. Both types of transport came under difficult pressure in

10950-590: The Institute of Russian Language of the Russian Academy of Sciences, an optional acute accent ( знак ударения ) may, and sometimes should, be used to mark stress . For example, it is used to distinguish between otherwise identical words, especially when context does not make it obvious: замо́к ( zamók – "lock") – за́мок ( zámok – "castle"), сто́ящий ( stóyashchy – "worthwhile") – стоя́щий ( stoyáshchy – "standing"), чудно́ ( chudnó – "this

11100-526: The Middle East and North Africa – 1.3 million, Sub-Saharan Africa – 0.1 million, Latin America – 0.2 million, U.S., Canada , Australia, and New Zealand – 4.1 million speakers. Therefore, the Russian language is the seventh-largest in the world by the number of speakers , after English, Mandarin, Hindi -Urdu, Spanish, French, Arabic, and Portuguese. Russian is one of the six official languages of

11250-807: The Russian alphabet include ⟨ ѣ ⟩ , which merged to ⟨ е ⟩ ( /je/ or /ʲe/ ); ⟨ і ⟩ and ⟨ ѵ ⟩ , which both merged to ⟨ и ⟩ ( /i/ ); ⟨ ѳ ⟩ , which merged to ⟨ ф ⟩ ( /f/ ); ⟨ ѫ ⟩ , which merged to ⟨ у ⟩ ( /u/ ); ⟨ ѭ ⟩ , which merged to ⟨ ю ⟩ ( /ju/ or /ʲu/ ); and ⟨ ѧ ⟩ and ⟨ ѩ ⟩ , which later were graphically reshaped into ⟨ я ⟩ and merged phonetically to /ja/ or /ʲa/ . While these older letters have been abandoned at one time or another, they may be used in this and related articles. The yers ⟨ ъ ⟩ and ⟨ ь ⟩ originally indicated

11400-510: The Russian flag in the centre. Many buildings and even whole areas of the city were systematically destroyed. A month later, it was declared safe to allow the residents to return to their homes, although demolition continued for some time. In 2003, the United Nations called Grozny the most destroyed city on Earth, with not a single building left undamaged. The federal government representatives of Chechnya are based in Grozny. Since 2003,

11550-458: The Russian principalities before and especially during Mongol rule. This strengthened dialectal differences, and for a while, prevented the emergence of a standardized national language. The formation of the unified and centralized Russian state in the 15th and 16th centuries, and the gradual re-emergence of a common political, economic, and cultural space created the need for a common standard language. The initial impulse for standardization came from

11700-458: The Soviet era can speak Russian, other generations of citizens that do not have any knowledge of Russian. Primary and secondary education by Russian is almost non-existent. In Uzbekistan , Russian is the language of inter-ethnic communication. It has some official roles, being permitted in official documentation and is the lingua franca of the country and the language of the elite. Russian

11850-467: The United Nations. Education in Russian is still a popular choice for both Russian as a second language (RSL) and native speakers in Russia, and in many former Soviet republics. Russian is still seen as an important language for children to learn in most of the former Soviet republics. In Belarus , Russian is a second state language alongside Belarusian per the Constitution of Belarus . 77% of

12000-410: The actual capacity. Laboratory testing can determine the characteristics of the reservoir fluids, particularly the expansion factor of the oil, or how much the oil expands when brought from the high pressure and high temperature of the reservoir to a "stock tank" at the surface. With such information, it is possible to estimate how many "stock tank" barrels of oil are located in the reservoir. Such oil

12150-574: The airport's airworthiness . On 16 November 2009, the airport had its first international flight, taking pilgrims on Hajj to Saudi Arabia via a Boeing 747 . After four years of construction, the Akhmad Kadyrov Mosque was formally opened to the public on 16 October 2008, and is one of the largest mosques in Europe. In 2009, the city of Grozny was honoured by the UN Human Settlements Program for transforming

12300-510: The authorities of the Chechen republic of Ichkeria renamed the city Dzhokhar-Ghala ( Chechen : Джохар-ГӀала, Dƶoxar-Ġala ), literally Dzhokhar City , or Dzhokhar / Djohar for short, after Dzhokhar Dudayev , the first president of the republic, killed by the Russian armed forces. In December 2005, the Chechen parliament voted to rename the city "Akhmad-Kala" (after Akhmad Kadyrov ) –

12450-403: The broader sense of expanding the use of Russian alongside or in favour of other languages. The current standard form of Russian is generally regarded as the modern Russian literary language ( современный русский литературный язык – "sovremenny russky literaturny yazyk"). It arose at the beginning of the 18th century with the modernization reforms of the Russian state under the rule of Peter

12600-541: The capture of the city by the Russian military. Intense fighting and carpet bombing carried out by the Russian Air Force destroyed much of the city. Thousands of combatants on both sides died in the fighting, alongside civilians , many of whom were reportedly ethnic Russians; unclaimed bodies were later collected and buried in mass graves on the city outskirts. The main federal military base in Chechnya

12750-619: The city has been rebuilt from scratch. Out of several dozens of industrial enterprises, three have been partially rebuilt – the Grozny Machine-Building Factory, the Krasny Molot (Red Hammer) and Transmash factories. Although most of the city's infrastructure was destroyed during the war, the city's sewage, water, electricity and heating systems have since been repaired, along with 250 kilometers (160 mi) of roads, 13 bridges and some 900 shops. Before

12900-416: The city that followed, most of the Russian artillery were directed toward the upper floors of the buildings; although this caused massive destruction of infrastructure, civilian casualties were much less than in the first battles. The final seizure of the city was set in early February 2000, when the Russian military lured the besieged militants to a promised safe passage. Seeing no build-up of forces outside,

13050-464: The city. Originally, Moscow had been backing the political opposition of Umar Avturkhanov  [ ru ] "peacefully" (i.e. without supplying the opposition with weapons and encouraging them to try a coup). However, this changed in 1994, after the coups in neighbouring Georgia and Azerbaijan (both of which Moscow was involved with), when Russia encouraged armed opposition, and occasionally assisted. In August 1994 Avturkhanov attacked Grozny, but

13200-572: The country. There is an Israeli TV channel mainly broadcasting in Russian with Israel Plus . See also Russian language in Israel . Russian is also spoken as a second language by a small number of people in Afghanistan . In Vietnam , Russian has been added in the elementary curriculum along with Chinese and Japanese and were named as "first foreign languages" for Vietnamese students to learn, on equal footing with English. The Russian language

13350-617: The development of the oil industry of the city of Grozny, as well as members of the Rothschild family . In addition to the Nobels and Rothschilds, British companies played an important role in the oil industry from 1893 onward. Alfred Stuart, an English engineer, completed the first well in Grozny by drilling in 1893 the largest oil field in the Caucasus region outside the Baku district. Eleven firms drilled 116 wells before 1900. This encouraged

13500-547: The early 1990s, with frequent theft of equipment, staff not being properly paid and resultant strikes. A major planned trolleybus route extension to the airport was cancelled. With the outbreak of the First Chechen War both transport services stopped operation in November 1994. During the destructive battles, the tram tracks were blocked or damaged, and cars and buses were turned into barricades. The trolleybus system

13650-413: The factory and the industrial plant their local peasant dialects with their phonetics, grammar, and vocabulary, and the very process of recruiting workers from peasants and the mobility of the worker population generate another process: the liquidation of peasant inheritance by way of leveling the particulars of local dialects. On the ruins of peasant multilingual, in the context of developing heavy industry,

13800-456: The final reading amendments that state that all schools and kindergartens in the country are to transition to education in Latvian . From 2025, all children will be taught in Latvian only. On 28 September 2023, Latvian deputies approved The National Security Concept, according to which from 1 January 2026, all content created by Latvian public media (including LSM ) should be only in Latvian or

13950-579: The garrison held out against numerous attacks by Terek Cossacks from 11 August to 12 November 1918. However, with the arrival of Denikin 's armies, the Bolsheviks were forced to withdraw and Grozny was captured on 4 February 1919, by the White Army . Underground operations were carried out, but only the arrival of the Caucasus front of the Red Army in 1920 allowed the city to permanently end up with

14100-402: The gas bubbles drive the oil to the surface. The bubbles then reach critical saturation and flow together as a single gas phase. Beyond this point and below this pressure, the gas phase flows out more rapidly than the oil because of its lowered viscosity. More free gas is produced, and eventually the energy source is depleted. In some cases depending on the geology the gas may migrate to the top of

14250-692: The generation of immigrants who started arriving in the early 1960s). Only about 25% of them are ethnic Russians, however. Before the dissolution of the Soviet Union , the overwhelming majority of Russophones in Brighton Beach, Brooklyn in New York City were Russian-speaking Jews. Afterward, the influx from the countries of the former Soviet Union changed the statistics somewhat, with ethnic Russians and Ukrainians immigrating along with some more Russian Jews and Central Asians. According to

14400-407: The geology of the underlying rock allows, meaning that certain fields can be far away from civilization, including at sea. Creating an operation at an oil field can be a logistically complex undertaking, as it involves the equipment associated with extraction and transportation, as well as infrastructure such as roads and housing for workers. This infrastructure has to be designed with the lifespan of

14550-480: The government bureaucracy for the lack of a reliable tool of communication in administrative, legal, and judicial affairs became an obvious practical problem. The earliest attempts at standardizing Russian were made based on the so-called Moscow official or chancery language, during the 15th to 17th centuries. Since then, the trend of language policy in Russia has been standardization in both the restricted sense of reducing dialectical barriers between ethnic Russians, and

14700-434: The liquid sections applying extra pressure. This is present in the reservoir if there is more gas than can be dissolved in the reservoir. The gas will often migrate to the crest of the structure. It is compressed on top of the oil reserve, as the oil is produced the cap helps to push the oil out. Over time the gas cap moves down and infiltrates the oil, and the well will produce more and more gas until it produces only gas. It

14850-438: The location of oil-water contact and with it the height of the oil bearing sands. Often coupled with seismic data, it is possible to estimate the volume of an oil-bearing reservoir. The next step is to use information from appraisal wells to estimate the porosity of the rock. The porosity of an oil field, or the percentage of the total volume that contains fluids rather than solid rock, is 20–35% or less. It can give information on

15000-470: The militants agreed. One day prior to the planned evacuation, the Russian Army mined the path between the city and the village of Alkhan-Kala and concentrated most firepower on that point. As a result, both the city mayor and military commander were killed; a number of other prominent separatist leaders were also killed or wounded. Afterwards, the Russians slowly entered the empty city and on 6 February raised

15150-466: The military use of the old fortress was obsolete and on 11 January 1870 [ O.S. 30 December 1869] it was granted town status and renamed Grozny, as the word town, " город ", is masculine in Russian. As most of the residents there were Terek Cossacks , the town grew slowly until the development of oil reserves in the early 20th century. The founder of the Nobel prize , Alfred Nobel , took part in

15300-524: The northwestern Xinjiang Uyghur Autonomous Region . Russian was also the main foreign language taught in school in China between 1949 and 1964. In Kazakhstan , Russian is not a state language, but according to article 7 of the Constitution of Kazakhstan its usage enjoys equal status to that of the Kazakh language in state and local administration. The 2009 census reported that 10,309,500 people, or 84.8% of

15450-438: The oil and form a secondary gas cap. Some energy may be supplied by water, gas in water, or compressed rock. These are usually minor contributions with respect to hydrocarbon expansion. By properly managing the production rates, greater benefits can be had from solution-gas drives. Secondary recovery involves the injection of gas or water to maintain reservoir pressure. The gas/oil ratio and the oil production rate are stable until

15600-436: The oil field in mind, as production can last many years. Several companies, such as Hill International , Bechtel , Esso , Weatherford International , Schlumberger , Baker Hughes and Halliburton , have organizations that specialize in the large-scale construction of the infrastructure to support oil field exploitation. The term "oilfield" can be used as a shorthand to refer to the entire petroleum industry . However, it

15750-515: The other hand, before the war, almost a quarter of Ukrainians were in favour of granting Russian the status of the state language, while after the beginning of Russia's invasion the support for the idea dropped to just 7%. In peacetime, the idea of raising the status of Russian was traditionally supported by residents of the south and east . But even in these regions, only a third of the respondents were in favour, and after Russia's full-scale invasion , their number dropped by almost half. According to

15900-724: The other hand, endured millions of years of sea level changes that successfully resulted in the formation of more than 150 oil fields. Although the process is generally the same, various environmental factors lead to the creation of a wide variety of reservoirs. Reservoirs exist anywhere from the land surface to 30,000 ft (9,000 m) below the surface and are a variety of shapes, sizes, and ages. In recent years, igneous reservoirs have become an important new field of oil exploration, especially in trachyte and basalt formations. These two types of reservoirs differ in oil content and physical properties like fracture connectivity, pore connectivity, and rock porosity . A trap forms when

16050-461: The other three languages in the East Slavic branch. In many places in eastern and southern Ukraine and throughout Belarus, these languages are spoken interchangeably, and in certain areas traditional bilingualism resulted in language mixtures such as Surzhyk in eastern Ukraine and Trasianka in Belarus. An East Slavic Old Novgorod dialect , although it vanished during the 15th or 16th century,

16200-446: The parliament approved a bill to close up all Russian language schools and kindergartens by the school year. The transition to only Estonian language schools and kindergartens will start in the 2024-2025 school year. In Latvia , Russian is officially considered a foreign language. 55% of the population was fluent in Russian in 2006, and 26% used it as the main language with family, friends, or at work. On 18 February 2012, Latvia held

16350-453: The peasants' speech was never systematically studied, as it was generally regarded by philologists as simply a source of folklore and an object of curiosity. This was acknowledged by the noted Russian dialectologist Nikolai Karinsky , who toward the end of his life wrote: "Scholars of Russian dialects mostly studied phonetics and morphology. Some scholars and collectors compiled local dictionaries. We have almost no studies of lexical material or

16500-406: The placement of the well with respect to the gas cap. As with other drive mechanisms, water or gas injection can be used to maintain reservoir pressure. When a gas cap is coupled with water influx, the recovery mechanism can be highly efficient. Water (usually salty) may be present below the hydrocarbons. Water, as with all liquids, is compressible to a small degree. As the hydrocarbons are depleted,

16650-459: The population aged 15 and above, could read and write well in Russian, and understand the spoken language. In October 2023, Kazakhstan drafted a media law aimed at increasing the use of the Kazakh language over Russian, the law stipulates that the share of the state language on television and radio should increase from 50% to 70%, at a rate of 5% per year, starting in 2025. In Kyrgyzstan , Russian

16800-418: The population was fluent in Russian in 2006, and 67% used it as the main language with family, friends, or at work. According to the 2019 Belarusian census , out of 9,413,446 inhabitants of the country, 5,094,928 (54.1% of the total population) named Belarusian as their native language, with 61.2% of ethnic Belarusians and 54.5% of ethnic Poles declaring Belarusian as their native language. In everyday life in

16950-431: The preferential mechanism of leaking: the hydraulic seal and the membrane seal. A membrane seal will leak whenever the pressure differential across the seal exceeds the threshold displacement pressure, allowing fluids to migrate through the pore spaces in the seal. It will leak just enough to bring the pressure differential below that of the displacement pressure and will reseal. A hydraulic seal occurs in rocks that have

17100-429: The pressure. As the reservoir depletes, the pressure falls below the bubble point , and the gas comes out of solution to form a gas cap at the top. This gas cap pushes down on the liquid helping to maintain pressure. This occurs when the natural gas is in a cap below the oil. When the well is drilled the lowered pressure above means that the oil expands. As the pressure is reduced it reaches bubble point, and subsequently

17250-485: The process as follows: Plankton and algae, proteins and the life that's floating in the sea, as it dies, falls to the bottom, and these organisms are going to be the source of our oil and gas. When they're buried with the accumulating sediment and reach an adequate temperature, something above 50 to 70 °C they start to cook. This transformation, this change, changes them into the liquid hydrocarbons that move and migrate, will become our oil and gas reservoir. In addition to

17400-479: The pronunciation of ultra-short or reduced /ŭ/ , /ĭ/ . Because of many technical restrictions in computing and also because of the unavailability of Cyrillic keyboards abroad, Russian is often transliterated using the Latin alphabet. For example, мороз ('frost') is transliterated moroz , and мышь ('mouse'), mysh or myš' . Once commonly used by the majority of those living outside Russia, transliteration

17550-472: The proper pronunciation of uncommon words or names. Russian is an East Slavic language of the wider Indo-European family . It is a descendant of Old East Slavic , a language used in Kievan Rus' , which was a loose conglomerate of East Slavic tribes from the late 9th to the mid-13th centuries. From the point of view of spoken language , its closest relatives are Ukrainian , Belarusian , and Rusyn ,

17700-479: The rapid development of industry and petrochemical production. In addition to the oil drilled in the city itself, the city became a geographical centre of Russia's network of oil fields , and in 1893 became part of the Transcaucasia–Russia-proper railway. The result was the population almost doubled from 15,600 in 1897 to 30,400 in 1913. In early 1914, the then largest oil company, Royal Dutch Shell ,

17850-491: The reduction in pressure in the reservoir allows the water to expand slightly. Although this unit expansion is minute, if the aquifer is large enough this will translate into a large increase in volume, which will push up on the hydrocarbons, maintaining pressure. With a water-drive reservoir, the decline in reservoir pressure is very slight; in some cases, the reservoir pressure may remain unchanged. The gas/oil ratio also remains stable. The oil rate will remain fairly stable until

18000-408: The reservoir pressure drops below the bubble point when critical gas saturation is reached. When the gas is exhausted, the gas/oil ratio and the oil rate drops, the reservoir pressure has been reduced, and the reservoir energy is exhausted. In reservoirs already having a gas cap (the virgin pressure is already below bubble point), the gas cap expands with the depletion of the reservoir, pushing down on

18150-409: The reservoir, leading to an improved estimate of the recoverable resources. Reserves are only the part of those recoverable resources that will be developed through identified and approved development projects. Because the evaluation of reserves has a direct impact on the company or the asset value, it usually follows a strict set of rules or guidelines. To obtain the contents of the oil reservoir, it

18300-491: The respondents), while according to the 2002 census – 142.6 million people (99.2% of the respondents). In Ukraine , Russian is a significant minority language. According to estimates from Demoskop Weekly, in 2004 there were 14,400,000 native speakers of Russian in the country, and 29 million active speakers. 65% of the population was fluent in Russian in 2006, and 38% used it as the main language with family, friends, or at work. On 5 September 2017, Ukraine's Parliament passed

18450-410: The rock fabric by strong capillary forces, requiring specialised measures for evaluation and extraction. Unconventional reservoirs form in completely different ways to conventional reservoirs, the main difference being that they do not have "traps". This type of reservoir can be driven in a unique way as well, as buoyancy might not be the driving force for oil and gas accumulation in such reservoirs. This

18600-419: The rocks have high porosity and low permeability, which keeps the hydrocarbons trapped in place, therefore not requiring a cap rock . Reservoirs are found using hydrocarbon exploration methods. An oil field is an area of accumulated liquid petroleum underground in multiple (potentially linked) reservoirs, trapped as it rises to impermeable rock formations. In industrial terms, an oil field implies that there

18750-410: The source, the "drier" the gas (that is, the smaller the proportion of condensates in the gas). Because both oil and natural gas are lighter than water, they tend to rise from their sources until they either seep to the surface or are trapped by a non-permeable stratigraphic trap. They can be extracted from the trap by drilling. The largest natural gas field is South Pars/Asalouyeh gas field, which

18900-471: The spot, and the adverse situation with transport and the stay in Siberia caused many deaths as well. According to internal NKVD data, a total of 144,704 died in 1944–1948 alone (death rate of 23.5% per all groups). Authors such as Alexander Nekrich , John Dunlop and Moshe Gammer , based on census data from the period estimate a death toll of about 170,000–200,000 among Chechens alone, thus ranging from over

19050-454: The structural trap, the stratigraphic trap, and the far less common hydrodynamic trap . The trapping mechanisms for many petroleum reservoirs have characteristics from several categories and can be known as a combination trap. Traps are described as structural traps (in deformed strata such as folds and faults) or stratigraphic traps (in areas where rock types change, such as unconformities, pinch-outs and reefs). Structural traps are formed as

19200-452: The surface. As the fluids are produced, the pressure will often decline, and production will falter. The reservoir may respond to the withdrawal of fluid in a way that tends to maintain the pressure. Artificial drive methods may be necessary. This mechanism (also known as depletion drive) depends on the associated gas of the oil. The virgin reservoir may be entirely semi-liquid but will be expected to have gaseous hydrocarbons in solution due to

19350-679: The survey carried out by RATING in August 2023 in the territory controlled by Ukraine and among the refugees, almost 60% of the polled usually speak Ukrainian at home, about 30% – Ukrainian and Russian, only 9% – Russian. Since March 2022, the use of Russian in everyday life has been noticeably decreasing. For 82% of respondents, Ukrainian is their mother tongue, and for 16%, Russian is their mother tongue. IDPs and refugees living abroad are more likely to use both languages for communication or speak Russian. Nevertheless, more than 70% of IDPs and refugees consider Ukrainian to be their native language. In

19500-459: The syntax of Russian dialects." After 1917, Marxist linguists had no interest in the multiplicity of peasant dialects and regarded their language as a relic of the rapidly disappearing past that was not worthy of scholarly attention. Nakhimovsky quotes the Soviet academicians A.M Ivanov and L.P Yakubinsky, writing in 1930: The language of peasants has a motley diversity inherited from feudalism. On its way to becoming proletariat peasantry brings to

19650-547: The time. According to this view of the ethnic situation in Ichkeria, the primary cause of Russian emigration was the extensive bombing of Grozny (where four out of five, or nearly 200,000 Russians in Chechnya lived before the war) by the Russian military during the First Chechen War. The covert Russian attempts of overthrowing Dudayev by means of armed Chechen opposition forces resulted in repeated failed assaults on

19800-786: The two. Others divide the language into three groupings, Northern , Central (or Middle), and Southern , with Moscow lying in the Central region. The Northern Russian dialects and those spoken along the Volga River typically pronounce unstressed /o/ clearly, a phenomenon called okanye ( оканье ). Besides the absence of vowel reduction, some dialects have high or diphthongal /e⁓i̯ɛ/ in place of Proto-Slavic  * ě and /o⁓u̯ɔ/ in stressed closed syllables (as in Ukrainian) instead of Standard Russian /e/ and /o/ , respectively. Another Northern dialectal morphological feature

19950-511: The use of the language has some presence in certain areas. A large part of the population, especially the older generations, can speak Russian as a foreign language. However, English has replaced Russian as lingua franca in Lithuania and around 80% of young people speak English as their first foreign language. In contrast to the other two Baltic states, Lithuania has a relatively small Russian-speaking minority (5.0% as of 2008). According to

20100-467: The war, Grozny had about 79,000 apartments, and the city authorities expected to be able to restore about 45,000 apartments; the rest were in buildings that were completely destroyed. Railway connection was restored in 2005, and Grozny's airport was reopened in 2007 with three weekly flights to Moscow. In 2009 the IAC gave Grozny's Severny airport the international certificate after checking and evaluating

20250-436: The war-scarred city and providing new homes for thousands. Grozny is the capital of the republic. Within the framework of administrative divisions , it is incorporated as the city of republic significance of Grozny – an administrative unit with the status equal to that of the districts . As a municipal division , the city of republic significance of Grozny is incorporated as Grozny Urban Okrug. The city also serves as

20400-407: The water begins to be produced along with the oil, the recovery rate may become uneconomical owing to the higher lifting and water disposal costs. If the natural drives are insufficient, as they very often are, then the pressure can be artificially maintained by injecting water into the aquifer or gas into the gas cap. The force of gravity will cause the oil to move downward of the gas and upward of

20550-431: The water reaches the well. In time, the water cut will increase, and the well will be watered out. The water may be present in an aquifer (but rarely one replenished with surface water ). This water gradually replaces the volume of oil and gas that is produced out of the well, given that the production rate is equivalent to the aquifer activity. That is, the aquifer is being replenished from some natural water influx. If

20700-442: The water. If vertical permeability exists then recovery rates may be even better. These occur if the reservoir conditions allow the hydrocarbons to exist as a gas. Retrieval is a matter of gas expansion. Recovery from a closed reservoir (i.e., no water drive) is very good, especially if bottom hole pressure is reduced to a minimum (usually done with compressors at the wellhead). Any produced liquids are light-colored to colorless, with

20850-419: The workers were fired upon by the Chechens. The Russians found a solution by strategically positioning a cannon outside the city walls. When night fell and the Chechens came out of their hiding places to drag the gun away, all the other guns opened up with grapeshot . When the Chechens recovered their senses and began to carry away the bodies, the guns fired again. When it was over, 200 dead were counted. Thus did

21000-697: The world's ninth-most spoken language by total number of speakers . Russian is one of two official languages aboard the International Space Station , one of the six official languages of the United Nations , as well as the fourth most widely used language on the Internet . Russian is written using the Russian alphabet of the Cyrillic script ; it distinguishes between consonant phonemes with palatal secondary articulation and those without—the so-called "soft" and "hard" sounds. Almost every consonant has

21150-800: Was established in the city thus making Grozny one of the largest industrial centres of the Caucasus . During the Russian Empire , the city was the administrative capital of the Groznensky Okrug of the Terek Oblast . One day after the October Revolution , on 8 November 1917, the Bolsheviks headed by N. Anisimov seized Grozny. As the Russian Civil War escalated, the Proletariat formed the 12th Red Army, and

21300-405: Was first introduced in North America when Russian explorers voyaged into Alaska and claimed it for Russia during the 18th century. Although most Russian colonists left after the United States bought the land in 1867, a handful stayed and preserved the Russian language in this region to this day, although only a few elderly speakers of this unique dialect are left. In Nikolaevsk, Alaska , Russian

21450-421: Was fluent in Russian in 2006, and 19% used it as the main language with family, friends, or at work. According to the 2014 Moldovan census , Russians accounted for 4.1% of Moldova's population, 9.4% of the population declared Russian as their native language, and 14.5% said they usually spoke Russian. According to the 2010 census in Russia , Russian language skills were indicated by 138 million people (99.4% of

21600-404: Was located in the area of Grozny air base . Chechen guerrilla units operating from nearby mountains managed to harass and demoralize the Russian Army by means of guerilla tactics and raids, such as the attack on Grozny in March 1996, which added to political and public pressure for a withdrawal of Russian troops. In August 1996, a raiding force of 1,500 to 3,000 militants recaptured the city in

21750-503: Was luckier, as most of its equipment, including the depot, survived the war. In 1996 it was visited by specialists from the Vologda Trolleybus Company, who repaired some of the lines, with services planned to restart in 1997. However, after specialists left, most of the equipment was stolen. The surviving buses were transported to Volzhsky where they were repaired and used on the new trolleybus system there. After

21900-405: Was once again the epicentre of fighting after the outbreak of the Second Chechen War , which further caused thousands of fatalities. During the early phase of the Russian siege on Grozny on 25 October 1999, Russian forces launched five SS-21 ballistic missiles at the crowded central bazaar and a maternity ward, killing more than 140 people and injuring hundreds. During the massive shelling of

22050-538: Was previously known as Groznaya (until 1870). In Russian , "Grozny" means "fearsome", "menacing", or "redoubtable", the same word as in Ivan Grozny ( Ivan the Terrible ). While the official name in Chechen is the same, informally the city is known as " Соьлжа-Гӏала " (" Sölƶa-Ġala "), which literally means "the city ( гӏала ) on the Sunzha River ( Соьлжа )". In 1996, during the First Chechen War ,

22200-415: Was repelled first by Chechen citizens who were then joined by Grozny government troops; Russian helicopters covered his retreat. On 28 September, one of these helicopters was shot down and its Russian pilot was held as a prisoner-of-war by the Chechen government. The last assault , on 26 November 1994, ended with capture of 21 Russian Army tank crew members who had secretly been hired as mercenaries by

22350-671: Was still Russian, but of Cossack descent. As Cossacks were viewed as a potential threat to the Soviet nation, Moscow actively encouraged the migration of Chechens into the city from the mountains. In 1934 the Chechen-Ingush Autonomous Oblast was formed, becoming the Chechen-Ingush ASSR in 1936. Due to its oil, Grozny with Maikop were the main strategic objectives of the German Fall Blau operation in summer of 1942 ( See Battle of

22500-402: Was the sixth-most used language on the top 1,000 sites, behind English, Chinese, French, German, and Japanese. Despite leveling after 1900, especially in matters of vocabulary and phonetics, a number of dialects still exist in Russia. Some linguists divide the dialects of Russian into two primary regional groupings, "Northern" and "Southern", with Moscow lying on the zone of transition between

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