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Microannulus Formation Mechanism at the Cementing Interface of a Thermal Recovery Well during Cyclic Steam Injection
المؤلفون المشاركون
Wu, JiWei
Wang, XueGang
Song, Lin
Zhong, ShouMing
Yin, WenFeng
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-11، 11ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-02-22
دولة النشر
مصر
عدد الصفحات
11
التخصصات الرئيسية
الملخص EN
During the thermal recovery of heavy oil when using cyclic steam injection technology, a microannulus tends to form at the cementing interface subjected to high temperature and pressure during steam injection, and large temperature and pressure differences after injection can lead to wellbore integrity failure.
In this study, a thermomechanical coupled finite element casing-cement-formation model of a thermal recovery wellbore is established.
The deformation of the wellbore during both the steam injection stage and the steam shutdown stage is analyzed.
The microannulus formation mechanism at the cementing interface of the wellbore is studied.
During steam injection, under the large thermomechanical coupling load, the wellbore generates a high stress that leads to elastic-plastic deformation.
In the steam shutdown stage, with the load on the wellbore decreasing, elastic deformation recovers mostly, while plastic deformation continues.
If the plastic deformation is large enough, a microannulus will form at the cementing interface.
Increasing the elastic moduli of the casing, cement, and the formation can enlarge their plastic deformation during steam injection.
The increase of plastic deformation of the cement or formation can enlarge the microannulus of the casing-cement interface or the cement-formation interface correspondingly in the steam shutdown stage.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Wu, JiWei& Wang, XueGang& Song, Lin& Zhong, ShouMing& Yin, WenFeng. 2020. Microannulus Formation Mechanism at the Cementing Interface of a Thermal Recovery Well during Cyclic Steam Injection. Advances in Civil Engineering،Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1122868
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Wu, JiWei…[et al.]. Microannulus Formation Mechanism at the Cementing Interface of a Thermal Recovery Well during Cyclic Steam Injection. Advances in Civil Engineering No. 2020 (2020), pp.1-11.
https://search.emarefa.net/detail/BIM-1122868
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Wu, JiWei& Wang, XueGang& Song, Lin& Zhong, ShouMing& Yin, WenFeng. Microannulus Formation Mechanism at the Cementing Interface of a Thermal Recovery Well during Cyclic Steam Injection. Advances in Civil Engineering. 2020. Vol. 2020, no. 2020, pp.1-11.
https://search.emarefa.net/detail/BIM-1122868
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1122868
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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