The results of gas hydrates process research in porous media

Bondarenko, Volodymyr; Сай, Катерина Сергіївна; Ganushevych, K; Ovchynnikov, M

doi:10.1201/b19901-23

Cited by 23 publications

(21 citation statements)

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“…Thus, the proposed method can be used to predict the dynamics of the dissociated gas hydrate zone when mining the natural deposits. Figure 2 presents the results of calculating the temperature fields in the bed calculated by (8)- (9). The following values are accepted as initial data: L = 110 6 J/kg, S h = 0.2,…”

Section: Thermal Conduction Of a Porous Medium W/(mk)mentioning

confidence: 99%

“…A fairly large number of works are devoted to the study of the gas hydrates dissociation processes in porous media [8]. The papers [9][10][11] provide an overview of technologies for the gas hydrates recovery from porous media and the modelling specifics of such processes in natural fields. It should be noted that experimental research in real mines and wells is associated with a number of unbiased difficulties [11,12].…”

Section: Introductionmentioning

confidence: 99%

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An approximate approach to estimation of dissociation rate of gas hydrate in porous rock bed

et al. 2021

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Development of deep shelf or onshore gas hydrate fields involves drilling wells with subsequent thermal, decompression or chemical action on the bed. In this case, the radius of thermal or decompression action is limited. As the field develops, recovery efficiency decreases, and necessity arises for drilling a new well that influences the cost of the technology. To determine the rational wells location, it is necessary to predict the advance of the phase transformation rate front into the depth of the bed. In this work, to study the movement dynamics of the gas hydrates dissociation front in a porous layer of rock, the Stefan problem solution is used. The method adequacy is substantiated by comparing the calculated results with known experimental data. The temperature fields are modelled in a porous bed during the methane hydrate dissociation. The temperature field dynamics for 200 days in a porous bed during the methane hydrate dissociation caused by thermal action is shown. The influence of porosity and excess temperature on the dissociation front movement rate is revealed.

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Section: Thermal Conduction Of a Porous Medium W/(mk)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

An approximate approach to estimation of dissociation rate of gas hydrate in porous rock bed

et al. 2021

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“…The installation makes possible to model thermobaric conditions similar to natural ones. The NPO-5 installation designed at the National Mining University (NMU) (Dnipro, Ukraine) makes it possible to study high-speed production of GH of methane under "soft" conditions, varying a temperature (from +0.5 to +10 °C) and pressure (from 1 to 10 MPa) [51,52]. Next, in accordance with the previously developed technique [53], we filled the chamber with a mechanically activated mineral, and the process of production of GH of methane began.…”

Section: Essence Of the Studymentioning

confidence: 99%

Effect of mechanoactivated chemical additives on the process of gas hydrate formation

Bondarenko

Svietkina

Sai

2018

EEJET

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Досліджено вплив механохімічно активованих домішок на процес утворення газових гідратів метану. Встановлено, що процес утворення газогідратів метану у присутності активованих алюмосилікатів відбувається не по автокаталітичному характеру. Виявлено, що у складі газового гідрату метану з'являється етан. Визначено константи швидкості утворення газогідратів метану при Т=274 K і тиску 5 МПа у присутності механоактивованих домішок Ключові слова: газогідрати метану, механоактивація, гетерогенний каталіз, швидкість гідратоутворення, дисоціація, алюмосилікати, фазові перетворення Исследовано влияние механохимически активированных добавок на процесс образования газовых гидратов метана. Установлено, что процесс образования газогидратов метана в присутствии активированных алюмосиликатов происходит не по автокаталитическому характеру. Обнаружено, что в составе газового гидрата метана появляется этан. Определены константы скорости образования газогидрата метана при Т=274 K и давлении 5 МПа в присутствии механоактивированных добавок Ключевые слова: газогидраты метана, механоактивация, гетерогенный катализ, скорость гидратообразования, диссоциация, алюмосиликаты, фазовые превращения

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“…Способи здійснюють бурінням з морських платформ чи суден у газогідратний пласт вертикальних свердловин з наступним нагнітанням теплоносія чи реагенту. Метан, вивільнений в локаль-ній зоні потрапляння теплоносія, разом з водою по трубам відкачують на морську платформу (судно), де газ відділяють й накопичують (Bondarenko et al, 2015).…”

Section: основна частинаunclassified

Shielded development of bottom gas hydrates

Haiko¹,

Pyha²

2017

Min. miner. depos.

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The results of gas hydrates process research in porous media

Cited by 23 publications

References 0 publications

An approximate approach to estimation of dissociation rate of gas hydrate in porous rock bed

An approximate approach to estimation of dissociation rate of gas hydrate in porous rock bed

Effect of mechanoactivated chemical additives on the process of gas hydrate formation

Shielded development of bottom gas hydrates

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