Srednevilyuyskoye Gas Condensate Field-Yakutsk Gas Pipeline

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Srednevilyuyskoye Gas Condensate Field - Yakutsk Gas Pipeline (Russian: МГ Средневилюйское газоконденсатное месторождение – Якутск; МГ СВ ГКМ-Мастах-Якутск) is an operating gas pipeline network in Russia.

The pipeline network is sometimes referred to as the Kyssyl-Syr - Mastakh - Berge - Yakutsk Gas Pipeline (Russian: МГ Кысыл-Сыр – Мастах – Берге – Якутск; МГ Кысыл-Сыр – Якутск). This pipeline network also includes the Phase I pipeline with a different route, referred to as the Taas-Tumus - Yakutsk Gas Pipeline (Russian: МГП Таас-Тумус - Якутск), and sometimes referred to as the Ust Vilyuiskoe - Yakutsk Gas Pipeline.

An expansion project from Kyssyl-Syr to Mastakh is being proposed (Russian: МГ Кысыл-Сыр – Мастах).

Location

Phase I

The first phase is referred to as the Taas-Tumus - Yakutsk Gas Pipeline. It runs from Taas-Tumus (Tas-Tumus, Sakha Republic, Russia) to Yakutsk, Russia.[1][2]

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Phase II

The second portion of the pipeline consists of three parallel segments that run from Mastakhskoye gas condensate field (Mastakh) to Yakutsk.[3][2]

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Phase III

The third portion of the pipeline consist of two parallel segments running from Srednevilyuyskoye gas condensate field, near the town of Kyssyl-Syr in Vilyuysky District to Mastakh.[2]

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Expansion Project

This project is proposed to be an 84-kilometer pipeline from Kyssyl-Syr to Mastakh.[2][3]

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Project Details

  • Operator: Sakhatransneftegaz JSC
  • Length: 1,506 km
    • Phase I: 192 km[4]
    • Phase II: 1,146 km (3 segments, each 382 km)[3]
    • Phase III: 168 km (2 segments, each 84 km)[5]
  • Source: Srednevilyuyskoye gas condensate field, Mastakhskoye gas condensate field[5]
  • Capacity: 1.50 bcm/year
  • Diameter: 529 mm[4]; 720 mm[6]
  • Status: Operating
  • Start Year:
    • Phase I: 1967[4]
    • Phase II: 1982[7]
    • Phase III: 2014[8]

Expansion Project

  • Operator: Sakhatransneftegaz JSC
  • Length: 84 km[3]
  • Source: Srednevilyuyskoye gas condensate field, Mastakhskoye gas condensate field[5]
  • Capacity: 1.50 bcm/year (entire pipeline)
  • Diameter: 720 mm (estimated)[6]
  • Status: Proposed
  • Start Year:

Background

The Srednevilyuyskoye Gas Condensate Field - Yakutsk Gas Pipeline was constructed in three phases.[6]

Phase I

The first phase is referred to as the Taas-Tumus - Yakutsk Gas Pipeline (Russian: МГП Таас-Тумус - Якутск) and is also sometimes referred to as the Ust Vilyuiskoe - Yakutsk gas pipeline.[1] It runs from Taas-Tumus (Tas-Tumus, Sakha Republic, Russia) to Yakutsk, Russia (Таас-Тумус – Якутск)[1]. It was the first piece of the pipeline to become operational in 1967, 192 km in length.[4] The source of the segment was originally the Ust Vilyuiskoe gas field (Усть-Вилюйское газоконденсатное месторождение; a part of the Таас-Тумусского газоконденсатного месторождения) which was exhausted in 1993.[9] The pipeline has been functioning poorly nearing the end of its life. Since the beginning of the operation of the gas transmission system, 189 accidents have occurred, including 5 major ones, as a result of which gas consumption restrictions were imposed on industrial enterprises in the region.[4] A further planned increase in gas consumption in the Yakutsk industrial hub necessitated the construction of a third line 382 km long on the Mastakh - Berge - Yakutsk section.[4]

Phase II

The second portion of the pipeline consists of three parallel segments that run from Mastakh to Yakutsk, each 382 km long.[3] Two of the segments were commissioned in 1982 and have a diameter of 529 mm.[7] The third segment was commissioned in 2014[8] and has the diameter of 720 mm.[6]

Phase III

The third portion of the pipeline consist of two parallel segments running from Kyssyl-Syr to Mastakh (Russian: МГ Кысыл-Сыр – Мастах), each 84 kilometers long. Construction started in 2001 and was completed in 2014.[7] The pipe diameter of two of these segments is 529 mm.[6]

Together, Phase II and Phase III of the pipeline are 466 km long and are jointly referred to as the Kyssyl-Syr-Mastakh-Berge-Yakutsk Gas Pipeline (МГ Кысыл-Сыр – Мастах – Берге – Якутск).[6]

In April 2021, replacement and renovation of segments of the pipeline 15 km length in total was being planned, as well as upgrades of gas distribution stations and gas control points.[3][10]

Expansion Project

An expansion project is currently being proposed, referred to as the Kyssyl-Syr - Mastakh expansion project (Russian: Кысыл-Сыр – Мастах).[11] This project would be an 84-kilometer pipeline from Kyssyl-Syr to Mastakh, which would add an additional segment identical to the two operating segments of Phase III from Kyssyl-Syr to Mastakh.[3] The diameter is most likely to be 720 mm, identical to the third segment of Phase II, as it would connect to it.

The abnormally cold winter of 2020-2021, when the temperatures maintained below -50 ° C for a long period of time, showed that the pipeline section from the Srednevilyuiskoye gas condensate field to the village Mastakh was working at the limit of permitted pressures.[12] The pipeline was working at the throughput capacity of 9,928 tonnes per cubic meter, while its maximum capacity is 9400 tonnes per cubic meter.[12]

According to a statement by Alexey Kolodeznikov, General Director of Sakhatransneftegaz JSC, in April 2021, in order to provide the residents with uninterrupted and safe supply of gas, it is vital to construct the remainder of the third segment (phase) of the pipeline from Kyssyl-Syr to Mastakh.[3] The operating pipeline has been running over its capacity. As of April 2021, construction of the remaining segment was expected to start in 2021.[3]

Accidents

The Taas-Tumus - Yakutsk Gas Pipeline (Phase I) pipeline has been functioning poorly nearing the end of its life. Since the beginning of the operation of the gas transmission system, 189 accidents have occurred, including 5 major ones, as a result of which gas consumption restrictions were imposed on industrial enterprises in the region.[4]

On December 22, 2018, a forest fire was discovered in the Namsky District of Yakutia. Subsequently, it turned out that the cause of the fire was the explosion of the Srednevilyuyskoye gas condensate field-Mastakh-Berge-Yakutsk gas pipeline. The fire destroyed more than 129 m3 of timber. The cause of the explosion was a crack and resulting corrosion in the main pipe of the gas pipeline. The pipes have been in operation for 51 years, with a maximum period of 30 years. On February 26, 2019, based on the results of the consideration of the criminal case against Sakhatransneftegaz, they were ordered to pay a fine in the amount of 500 thousand rubles (USD $6,800). The company Sakhatransneftegaz that owns the pipeline compensated the damage in full.[13]

Articles and resources

References

  1. 1.0 1.1 1.2 "История". Саха Транснефтегаз. Retrieved Sep 14, 2021.
  2. 2.0 2.1 2.2 2.3 "Energy Base," Accessed August 22, 2020
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 "В Минэнерго РФ рассмотрели вопрос строительства магистрального газопровода «Кысыл-Сыр - 84 км»". Sakha.gov.ru. Apr 16, 2021. Retrieved Sep 14, 2021.
  4. 4.0 4.1 4.2 4.3 4.4 4.5 4.6 "ХАРАКТЕРИСТИКА ГАЗОТРАНСПОРТНОЙ СИСТЕМЫ". e-gorod.ru. Jan 7, 1998. Retrieved Sep 14, 2021.
  5. 5.0 5.1 5.2 "Возобновлена добыча газа на Мастахском месторождении в Якутии". Energybase.ru. Dec 23, 2020. Retrieved Sep 14, 2021.
  6. 6.0 6.1 6.2 6.3 6.4 6.5 "Ущерб от взрыва на газопроводе Средневилюйское ГКМ-Мастах-Берге-Якутск возмещен". Neftegaz.ru. Feb 27, 2019. Retrieved Sep 14, 2021.
  7. 7.0 7.1 7.2 "ГАЗОВАЯ ПРОМЫШЛЕННОСТЬ № 04 2019. СТРОИТЕЛЬСТВО И ЭКСПЛУАТАЦИЯ НЕФТЕГАЗОПРОВОДОВ". Neftegaz.info. Jan 4, 2019. Retrieved Sep 14, 2021.
  8. 8.0 8.1 "Строительство газопровода Мастах-Берге-Якутск завершится в октябре". Саха Транснефтегаз. Jul 4, 2019. Retrieved Sep 14, 2021.
  9. "Усть-Вилюйское газоконденсатное месторождение". Wikipedia. Retrieved Sep 14, 2021.
  10. "Айсен Николаев рассмотрел вопросы дальнейшей газификации республики". Prav.sakha.gov.ru. Mar 30, 2021. Retrieved Sep 14, 2021.
  11. "Решается вопрос завершения строительства третьей линии газопровода «Средневилюйское газоконденсатное месторождение – Якутск»". Energybase.ru. Apr 16, 2021. Retrieved Sep 14, 2021.
  12. 12.0 12.1 "П. Сорокин провел совещание по вопросу строительства 3-й нитки газопровода Средневилюйское ГКМ - Якутск". Neftegaz.ru. Apr 16, 2021. Retrieved Sep 14, 2021.
  13. "Ущерб от взрыва на газопроводе Средневилюйское ГКМ-Мастах-Берге-Якутск возмещен". Neftegaz.ru. Feb 27, 2019. Retrieved Sep 14, 2021.

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