کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7048307 | 1457130 | 2016 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Design of thermal-insulated pipes applied in deepwater well to mitigate annular pressure build-up
ترجمه فارسی عنوان
طراحی لوله های عایق حرارتی که در آبهای عمیق استفاده می شود، به منظور کاهش فشار بر روی حلقه
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کلمات کلیدی
عمیق آب درجه حرارت چاه، افزایش فشار ناگهانی، روش های کاهش، لوله های عایق حرارتی،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
جریان سیال و فرایندهای انتقال
چکیده انگلیسی
Annular pressure build-up threatens deepwater well safety greatly, but the available mitigation methods are limited by well conditions and formation properties in some cases. Thermal-insulated pipes including casing and tubing are an alternative method due to low thermal conductivity. To optimize the application of thermal-insulted pipes, a model based on volume consistency and semi-steady approach is established to calculate the annular pressure in multiple annuli with thermal-insulated pipes. In the case well, the optimal setting depth is 2200âm, equal to cement top. Annular pressure decreases quickly when thermal conductivity is under 0.04âW/(mâ
k). Thermal-insulated pipes can reduce the rising speed of annular pressure as formation temperature increases. The effect of production rate can be ignored if it is higher than 400ât/d. The annular pressure of case well is reduced by as much as 63.97% and kept under maxim acceptable annular pressure in 10 years. Based on this model and analysis, a process is proposed to design the thermal pipes applied in deepwater well to mitigate annular pressure build-up.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Thermal Engineering - Volume 98, 5 April 2016, Pages 129-136
Journal: Applied Thermal Engineering - Volume 98, 5 April 2016, Pages 129-136
نویسندگان
Zhi-chuan Guan, Bo Zhang, Qing Wang, Yong-wang Liu, Yu-qiang Xu, Qi Zhang,