Analysis of Interaction between HTHP Completion Packer's Slip and the Casing Wall

Abstract:

The HTHP completion packers slip is a key element in ensuring the reliability of the packer. It plays an important part in supporting and locking the seal bore after anchoring in the casing wall. When the slip in touch with the casing, the interaction force between them occurs, and the supporting function of slip relies mainly on the interaction with the casing. This article analyzes the depth of slip into the casing based on the theory analysis and ANSYS finite element analysis. It approves that the biting depth of the slip increases with the load, and with the increase of tooth number, biting depth is gradually reduced. At last, we get the biting depth of the slip when the packer seated, which is 0.5mm~0.7mm. Besides this, we also analyze the VONMISES stress of the slip and the casing system and find that with the increase of tooth number the tooth stress gradually reduced, and that the slip biting depth and tooth stress gradually increase with the load.

• Periodical: Applied Mechanics and Materials (Volumes 423-426)
• Pages: 866-870
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.423-426.866
• Online since: September 2013
• Authors: Mao Jia Cai, Yin Ping Cao*, Xing Wang, Yi Hua Dou
• Keywords: Casing, HTHP, Interaction, Packer, Slip

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