ArticleScientific reports2025
Mechanical properties and sealing performance evaluation of packers in high temperature underground gas storage.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- A Closed-Form Analytical Solution for the Axisymmetric Compression of Packer Rubber Cylinders Based on the Mooney-Rivlin Model.Materials (Basel, Switzerland) · 2026Article
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Authors and funding
7 authors.
Funding
Abstract
The sealing performance of packers is crucial for ensuring efficient cyclic injection and production in underground gas storage (UGS) operations. Unlike conventional oil and gas production, UGS operations experience significant temperature and pressure fluctuations due to the larger gas volumes involved. These fluctuations can lead to premature seal failure and reduce the wellbore's service life. However, the challenges of sealing in unique UGS environments are often overlooked. This study addresses this gap by investigating the sealing efficacy of two distinct rubber material combinations under high temperature and pressure conditions. First, elastoplastic theory is applied to analyze the stress distribution in the packer's rubber cylinder, establishing a comprehensive gas sealing evaluation index. Then, two analytical models are developed to simulate large deformation contact patterns. These simulations reveal how extreme conditions influence Mises stress, shear stress, contact stress, residual stress, and fatigue life. A comparative analysis of the two packers highlights differences in sealing performance. Additionally, to validate the finite element analysis (FEA), two high temperature gas sealing tests are conducted on the packers. This study underscores the effects of temperature and pressure on packer sealing, offering insights to optimize designs and improve UGS reliability and service life.
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