Manufacturing methods include hot forming, hydraulic bulging and welded forming. Raw materials are checked for chemical composition and mechanical properties. Key process parameters are monitored during manufacture, and finished parts are subjected to visual, dimensional, non-destructive and pressure testing in accordance with applicable requirements, including API requirements where specified.
Drill-String Wear-Reduction Sub Series
A wear-reduction sub fitted with a reinforced-PTFE sleeve. The self-lubricating sleeve lowers contact friction and protects casing in…
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