The solubility of gas components and its importance in gas-condensate reservoir development

Abbasov, Z. Ya.; Fataliyev, Vugar M.; Hamidov, N.N.

doi:10.1080/10916466.2016.1251459

Cited by 7 publications

(2 citation statements)

References 8 publications

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“…Buradan məlum olur ki, faza münasibətlərində kifayət qədər əhəmiyyət kəsb edən karbohidrogen kondensatın miqdarı və tərkibi məhsuldar qat üzrə dəyişə bilər və bu, yatağın istismar sistemlərinin yaradılmasında və eyni zamanda, modelləşdirilməsində nəzərə alınmalıdır. Məqalədə adları çəkilmiş tədqiqat işlərində (Фаталиев, 2017; Abbasov, Fataliyev, 2016;Abbasov et al, 2017) alınan nəticələrdən istifadə etsək, buraya daha bir faktoru da əlavə edə bilərik. Bu fakt ondan ibarətdir ki, qazın kondensat miqdarının artması maye fazasının dispersləşməsini zəiflədir.…”

Section: Qaz-kondensat Sisteminin Kondensat Amili Və Onun Lay Sistemiunclassified

“…Bu isə, öz növbəsində, yatağın termodinamiki və hidrodinamiki modelləşdirilməsi zamanı kifayət qədər çətin həll edilən məsələlərin meydana çıxmasına səbəb olur. Lakin artıq bir sıra tədqiqat işlər (Абасов и др., 2013;Фаталиев, 2017;Abbasov et al, 2017) təsdiq etmişdir ki, komponent tərkibinin zənginliyinə baxmayaraq, qaz-kondensat qarışığını kolloid sistem kimi tədqiq etmək daha məqsədəuyğundur. Belə qarışıqlar dispers faza və dispers mühitdən ibarət olduğundan, lay sistemini maye və qaz qarışıqları kimi iki qrupa ayırmaq və hər qrupun prosesə təsir edən parametrlərini, fiziki-kimyəvi və termodinamiki xas-sələrini ayrı-ayrılıqda tədqiq etmək olar.…”

Section: Introductionunclassified

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Liquid and gas relation in dispersed reservoir fluid and its importance in exploitation of gas-condensate deposits

Fataliyev¹,

Salimova²,

Maharramova³

et al. 2018

ANAS Transactions

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In this paper, considering gas-condensate mixture researched as dispersed system, the effect of grouped components, fractural compositions and liquid-gas ratio on the fluid dispersion and condensation processes were shown in line with importance of these factors at development and exploitation of gas condensate deposits. The analysis of some thermodynamic data from different deposits revealed that if the liquid part of the gas-condensate system consists of relatively light components or mixture is composed of the better soluble liquid and gas components, then the dispersion can be processed in low pressure condition at a certain temperature. In this case, stability of the dispersed reservoir fluid and its single-phase state could prolong longer during depletion regime. Besides, it was found out that the condensate recovery factor is low when the condensate ratio of the reservoir is relatively high. This is due to the increase of proportion between liquid and gas volumes causing poor dispersion process of volume liquid phase in dispersed medium. The results were proved by experimental studies and also, some of the application problems of depletion process were investigated.

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Section: Qaz-kondensat Sisteminin Kondensat Amili Və Onun Lay Sistemiunclassified

Section: Introductionunclassified

Liquid and gas relation in dispersed reservoir fluid and its importance in exploitation of gas-condensate deposits

Fataliyev¹,

Salimova²,

Maharramova³

et al. 2018

ANAS Transactions

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An integrated model for moving distance of oil-gas contact of oil-rim reservoir with condensate gas cap

Zhang

Fan

Zhao

et al. 2020

Energy Sources, Part A: Recovery, Utilization, and Environmenta

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An Insight Into Wax Precipitation, Deposition, and Prevention Stratagem of Gas-Condensate Flow in Wellbore Region

Wang

Hong

et al. 2023

Journal of Energy Resources Technology

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Unlike conventional waxy crude oil, the condensate undergoes a complex phase evolution process in high-temperature and high-pressure conditions of deep gas-condensate reservoir, which makes it more difficult to predict and prevent the wax precipitation. This study measured the component composition, physical properties and carbon number distribution of the closed sampled condensates from the wellbore region. The fluid component in wells was corrected by combining with the gas-oil ratio of the actual production data. The wellbore temperature and pressure profiles were accurately predicted using the corrected component, and the phase envelope relationship of gas-condensate flow was reasonably determined. A cold finger apparatus was designed to test the wax deposition characteristics. The main test unit consists of a completely closed high-pressure autoclave and a cold finger with a maximum 140 °C temperature-tolerant and 16000 psi pressure-tolerant ability. The wax deposition characteristics were formulated, including wax appearance temperature (WAT), critical conditions for wax deposition, wax crystal morphology, wax deposition rate. The primary mechanisms causing wax deposition in the wellbore region of deep gas-condensate reservoirs are still the thermal diffusion and molecular diffusion. A wax crystal improved wax inhibitor consisting of hydrocarbons and polymers was collected and employed. The wax crystal improved wax inhibitor showed remarkable wax prevention performance, reducing WAT by up to 80% and achieving a 90% wax inhibiting rate within the experimental measurement concentrations. These results offer insights into the wax precipitation behavior, wax deposition characteristics, and wax prevention of the condensates.

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The solubility of gas components and its importance in gas-condensate reservoir development

Cited by 7 publications

References 8 publications

Liquid and gas relation in dispersed reservoir fluid and its importance in exploitation of gas-condensate deposits

Liquid and gas relation in dispersed reservoir fluid and its importance in exploitation of gas-condensate deposits

An integrated model for moving distance of oil-gas contact of oil-rim reservoir with condensate gas cap

An Insight Into Wax Precipitation, Deposition, and Prevention Stratagem of Gas-Condensate Flow in Wellbore Region

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