Oil casing pipe in accordance with the SYT6194-96 standard, it is available as short thread type and long thread type supplied with their couplings. more...
Casing: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 wellbore from collapsing and to allow drilling fluid more...
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