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OCTG Casing & Tubing
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OCTG Casing & Tubing, Seamless casing pipe, Casing pipe Natural gas pipeline
Casing pipe lines the borehole. It is subject to axial tension by its dead weight, internal pressure by fluid purging, and external pressure by surrounding rock formations. Casing is particularly exposed to axial tension and internal pressure by the pumped oil or gas emulsion.
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