ERW Casing API Drill pipe API Seamless casing Drill Pipe Drill Collar Seamless Casing Tubing Kelly Heavy Weight Drill Pipe
We supply high quality oil country tubular goods - OCTG including drill pipe (API 5D), heavy weight drill pipe (API 7-1), drill collars (API 7-1), square kelly(API 7-1) ,casing (API 5CT) and tubing (API 5CT). Drill pipes are in accordance with API Spec 5D,size range from 2-3/8" to 6-5/8",steel grades include E75, X95, G105, and S135.
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