«Газпром» ввел в строй Ковыктинское месторождение
«Газпром» в среду ввел в эксплуатацию Ковыктинское газоконденсатное месторождение (Иркутская обл.) и магистральный газопровод Ковыкта — Чаянда, завершив подключение этих объектов к трубопроводной системе «Сила Сибири».
Ковыктинское газоконденсатное месторождение является крупнейшим в Восточной Сибири и обладает извлекаемыми запасами в объеме 1,8 трлн м³ газа и 65,7 млн т газового конденсата. «Газпром» планирует в следующем году добыть на нем 5 млрд м³ газа, а в 2026 г. вывести месторождение на пиковый уровень добычи – 27,2 млрд м³/год.
Магистральный трубопровод «Сила Сибири» обеспечивает поставки газа в направлении Амурского газоперерерабатывающего завода и далее на экспорт в Китай. Газопровод проходит через Иркутскую область, Якутию и Амурскую область, заканчиваясь в Благовещенске на российско-китайской границе.
Подача газа с Ковыкты в «Силу Сибири» началась еще в конце октября – в режиме пусконаладочных работ. До подключения Ковыктинского участка, газ в эту систему поступал только с Чаяндинского месторождения (Якутия), запасы газа которого оцениваются в 449 млрд м³. Протяженность нового газопровода Ковыкта – Чаянда составляет 804 км, а общая протяженность магистрали «Сила Сибири» превышает 3 000 км. Маршрут Ковыкта – Чаянда включает участок протяженностью 1,5 км, проложенный в грунте на дне реки Лена, на глубине 13 м.
Для приема газа с Ковыкты «Газпром» построил на Чаяндинском месторождении второй цех Центральной дожимной компрессорной станции – здесь поддерживается необходимый уровень давления в трубопроводе для дальнейшей транспортировки газа.
Один из основных введенных в строй объектов на Ковыкте - это установка комплексной подготовки газа №2 (УКПГ-2) производительностью более 6 млрд ³/год газа. Установка принимает углеводородное сырье со скважин месторождения и обеспечивает его очистку от воды, механических и других примесей, чтобы качество товарного продукта соответствовало нормативам. В состав УКПГ-2 в том числе входят три колонны для стабилизации газового конденсата.
Ковыктинский газовый конденсат после стабилизации будет поступать в конденсатопровод для прокачки на железнодорожный терминал в п. Окунайский. Терминал расположен в Иркутской области и примыкает к Байкало-Амурской железнодорожной магистрали (БАМ). Протяженность конденсатопровода Ковыкта–Окунайский составляет 173 км.
В период до 2026 г. «Газпром» планирует ввести в строй на Ковыкте еще три установки комплексной подготовки газа мощностью около 6 млрд м³/год каждая.
Поставки газа по «Силе Сибири» в Китай осуществляются в рамках долгосрочного контракта между «Газпромом» и китайской государственной компанией CNPC. Договоренности компаний предусматривают проведение планового ремонта газопровода два раза в год: весной и осенью. Весенний ремонт проводился 29 марта - 4 апреля, а осенний – в период 22-29 сентября.
В декабре «Газпром» ввел в эксплуатацию на «Силе Сибири» четыре новые компрессорные станции: «Иван Ребров», «Максим Перфильев», «Василий Поярков» и «Василий Колесников». Таким образом, общее число компрессорных станций увеличилось до восьми.
В текущем году «Газпром» планирует нарастить прокачку газа по «Силе Сибири» на 40% по сравнению с 2021 г., до 14 млрд м³. Трубопровод введен в строй в декабре 2019 г. и рассчитан на транспортировку 42 млрд м³/год газа, в том числе поставку в Китай 38 млрд м³/год. Но объем поставок будет увеличиваться постепенно, и полная загрузка трубопровода ожидается только в 2025 г. В следующем году «Газпром» собирается повысить прокачку газа по «Силе Сибири» до 21-22 млрд м³: рост поставок ожидается благодаря запуску Ковыкты и увеличению добычи на Чаянде.
Запасы Чаянды и Ковыкты представляют собой многокомпонентный газ. Для разделения этого сырья на фракции «Газпром» направляет его на Амурский ГПЗ, который находится ближе к конечной точке «Силы Сибири» и на котором уже введены в строй две технологические линии из шести. Мощность каждой линии по сырью составляет 7 млрд м³/год, а общая мощность Амурского ГПЗ в 2025 г. должна достичь 42 млрд м³/год. Получая газ по «Силе Сибири», Амурский ГПЗ перерабатывает это сырье, выделяя из него метан, этан, пропан, бутан, гелий и пентан-гексановую фракцию. В частности, каждая линия должна обеспечивать выпуск 6-6,5 млрд м³/год товарного газа.
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LPG World editorial: Clean cooking’s watershed moment?
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Japan’s Mol orders dual-fuel LPG, ammonia VLGCs
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