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Shinestar steel group co.,ltd

All Products >> Octg

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api casing
api casing
Specification: Size: OD: 4 1/2ĄŻĄŻ ~ 20ĄŻĄŻ (114.3mm ~ 508mm)Ł»WT: 0.205ĄŻĄŻ ~ 0.635ĄŻĄŻ
Detail: Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or well bore.It is inserted into a well bore and cemented in place to protect both subsurface formations and the well b...
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