Casing:According with API SPEC 5CT.Casing threads: Short round thread, length round thread, buttress thread.Steel grade: J55, K55, L80, N80, C90, T95, P110O. D. Range from 4-1/2" to 13-3/8", W. T. Ran ...
goldenman petroleum equipment co.,ltd.
Main Products: solid control system, stand-alone mud pump... More