КФУ. Карточка публикации. In-situ combustion technique for developing fractured low permeable oil shale: Experimental evidence for synthetic oil generation and successful propagation of combustion front

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IN-SITU COMBUSTION TECHNIQUE FOR DEVELOPING FRACTURED LOW PERMEABLE OIL SHALE: EXPERIMENTAL EVIDENCE FOR SYNTHETIC OIL GENERATION AND SUCCESSFUL PROPAGATION OF COMBUSTION FRONT

Форма представления

Статьи в зарубежных журналах и сборниках

Год публикации

2023

Язык

английский

Авторы, сотрудники КФУ

Болотов Александр Владимирович, автор

Варфоломеев Михаил Алексеевич, автор

Деревянко Вадим Константинович, автор

Емельянов Дмитрий Анатольевич, автор

Кадыров Раиль Илгизарович, автор

Минханов Ильгиз Фаильевич, автор

Тазеев Айдар Ринатович, автор

Библиографическое описание на языке оригинала

Bolotov A.V, Yuan C, Varfolomeev M.A, In-situ combustion technique for developing fractured low permeable oil shale: Experimental evidence for synthetic oil generation and successful propagation of combustion front//Fuel. - 2023. - Vol.344, Is.. - Art. №127995.

Аннотация

The idea of in-situ combustion (ISC) for oil shale development and conversion has been proposed recently. Due to the low permeability of oil shale, it usually requires fracturing operation before air injection. However, one of the biggest technical questions is, whether the combustion front can be established and steadily propagate in the low permeable oil shale with fractures. To date, no experimental work has been reported to support this. The target of this work is to provide experimental evidence to answer this question. We have managed to create a novel method for packing and fracturing oil shale core samples in a combustion tube for simulating ISC processes. A systematic analysis for the physical–chemical modeling of ISC process in combustion tube was performed, including temperature profile, pressure drop buildup, composition of produced gases, X-ray computed tomography (CT) and visual inspection, as well as total organic content analysis of oil shale samples before and after combustion, calculation of combustion parameters (air requirement, air/fuel ratio, apparent atomic H/C ratio, oxygen utilization, and O2/fuel ratio), and synthetic oil production. All results indicated the successful establishment and propagation of the combustion front in the fractured, low-permeability oil shale sample. In addition, the permeability of oil shale was increased 2–3 times during combustion, which can be an important factor that supports the stable propagation of the combustion front. Furthermore, the effect of water and catalysts on ISC performance was investigated. It was found that water promotes the cracking reactions of heavy oils to produce CO2 and hydrocarbon gases, and the co-existence of catalysts and water together further improved the performance of the ISC process and synthetic oil production. The findings in this work provide the experimental evidence of the successful establishment and propagation of combustion front in fractured, low-permeability oil shale, and technically proves the feasibility of using ISC technology for in-situ retorting of oil shale to generate synthetic oil for the development and conversion of low permeable oil shale with additional fracturing.

Ключевые слова

In-situ combustion, synthetic oil, oil shale

Название журнала

Fuel

URL

https://www.scopus.com/inward/record.uri?eid=2-s2.0-85149716044&doi=10.1016%2fj.fuel.2023.127995&partnerID=40&md5=3d7f9ebab75a1b05722399b7d48da47d

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https://repository.kpfu.ru/?p_id=278879

Полная запись метаданных

Поле DC	Значение	Язык
dc.contributor.author	Болотов Александр Владимирович	ru_RU
dc.contributor.author	Варфоломеев Михаил Алексеевич	ru_RU
dc.contributor.author	Деревянко Вадим Константинович	ru_RU
dc.contributor.author	Емельянов Дмитрий Анатольевич	ru_RU
dc.contributor.author	Кадыров Раиль Илгизарович	ru_RU
dc.contributor.author	Минханов Ильгиз Фаильевич	ru_RU
dc.contributor.author	Тазеев Айдар Ринатович	ru_RU
dc.date.accessioned	2023-01-01T00:00:00Z	ru_RU
dc.date.available	2023-01-01T00:00:00Z	ru_RU
dc.date.issued	2023	ru_RU
dc.identifier.citation	Bolotov A.V, Yuan C, Varfolomeev M.A, In-situ combustion technique for developing fractured low permeable oil shale: Experimental evidence for synthetic oil generation and successful propagation of combustion front//Fuel. - 2023. - Vol.344, Is.. - Art. №127995.	ru_RU
dc.identifier.uri	https://repository.kpfu.ru/?p_id=278879	ru_RU
dc.description.abstract	Fuel	ru_RU
dc.description.abstract	The idea of in-situ combustion (ISC) for oil shale development and conversion has been proposed recently. Due to the low permeability of oil shale, it usually requires fracturing operation before air injection. However, one of the biggest technical questions is, whether the combustion front can be established and steadily propagate in the low permeable oil shale with fractures. To date, no experimental work has been reported to support this. The target of this work is to provide experimental evidence to answer this question. We have managed to create a novel method for packing and fracturing oil shale core samples in a combustion tube for simulating ISC processes. A systematic analysis for the physical–chemical modeling of ISC process in combustion tube was performed, including temperature profile, pressure drop buildup, composition of produced gases, X-ray computed tomography (CT) and visual inspection, as well as total organic content analysis of oil shale samples before and after combustion, calculation of combustion parameters (air requirement, air/fuel ratio, apparent atomic H/C ratio, oxygen utilization, and O2/fuel ratio), and synthetic oil production. All results indicated the successful establishment and propagation of the combustion front in the fractured, low-permeability oil shale sample. In addition, the permeability of oil shale was increased 2–3 times during combustion, which can be an important factor that supports the stable propagation of the combustion front. Furthermore, the effect of water and catalysts on ISC performance was investigated. It was found that water promotes the cracking reactions of heavy oils to produce CO2 and hydrocarbon gases, and the co-existence of catalysts and water together further improved the performance of the ISC process and synthetic oil production. The findings in this work provide the experimental evidence of the successful establishment and propagation of combustion front in fractured, low-permeability oil shale, and technically proves the feasibility of using ISC technology for in-situ retorting of oil shale to generate synthetic oil for the development and conversion of low permeable oil shale with additional fracturing.	ru_RU
dc.language.iso	ru	ru_RU
dc.subject	In-situ combustion	ru_RU
dc.subject	synthetic oil	ru_RU
dc.subject	oil shale	ru_RU
dc.title	In-situ combustion technique for developing fractured low permeable oil shale: Experimental evidence for synthetic oil generation and successful propagation of combustion front	ru_RU
dc.type	Статьи в зарубежных журналах и сборниках	ru_RU