Estimation of Natural Gas Compressibility Factors Using Mathematical Correlations for Sirte Oil Fields
| المصدر: | المجلة الجامعة |
|---|---|
| الناشر: | جامعة الزاوية - مركز البحوث والدراسات العليا |
| المؤلف الرئيسي: | Abou El Leil, Ibrahim M. (Author) |
| مؤلفين آخرين: | Mezughi, Khaled M. (Co-Author) , Derdar, Mawaheb M. Zarok (Co-Author) |
| المجلد/العدد: | مج21, ع5 |
| محكمة: | نعم |
| الدولة: |
ليبيا |
| التاريخ الميلادي: |
2019
|
| الشهر: | أغسطس |
| الصفحات: | 75 - 98 |
| رقم MD: | 1265011 |
| نوع المحتوى: | بحوث ومقالات |
| اللغة: | الإنجليزية |
| قواعد المعلومات: | EduSearch, EcoLink, IslamicInfo, AraBase, HumanIndex |
| مواضيع: | |
| كلمات المؤلف المفتاحية: |
Natural Gas | Compressibility Factor | Pseudocritical Temperature | Pseudocritical Pressure | Pseudo Reduced Temperature | Pseudoreduced Pressure | Correlations | Equation of State
|
| رابط المحتوى: |
الناشر لهذه المادة لم يسمح بإتاحتها. |
| المستخلص: |
Knowledge of the pressure-volume-temperature (PVT) behavior of natural gases is necessary to solve many petroleum engineering problems. Gas reserves, gas metering, gas pressure gradients, pipeline flow and compression of gases are some of the problems requiring the gas compressibility factor, or Z factor. Typically, the Z factor is determined by laboratory measurement. However, laboratory data is only applicable for the conditions and condition investigated. When conditions of interest are different from those of the laboratory studies or data is not available, correlations must be used. This study has been conducted on four gas fields of Sirte Oil Company, namely Zeltinfield, Al Ragouba field, Al Hotayba field and Al Braiga field. The Z factor has been calculated for the different fields using mathematical correlations and charts through the calculations of pseudocritical and pseudo reduced temperature Tpr and pressure Ppr. The values obtained are corrected because the natural gases contain impurities (H2S, CO2, N2) that caused factor deviation. The results exhibit some variation due the different constituents of gas mixture. |
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