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When handling high gas pressure, the use of ventilation technology should be incorporated, so that gas having accumulated due to permeation can flow back to the borehole when the pressure fluctuates. Moreover, the press-fit design, together with further aspects of the general pipeline specification, helps ensure safe and reliable operation, no matter how demanding the conditions.
Thermoplastic liners are increasingly applicable for wellbore casing strings. In response to the increasing demands imposed by rising working temperatures and pressures, the VESTAKEEP® PEEK polymer with high temperature resistance alongside excellent impact strength and high mechanical strength represents an optimal solution. The VESTAKEEP® PEEK polymer stands out thanks to its 15 % enhanced impact strength and 50 % higher tensile modulus at 150 °C than other PEEK materials.
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