A Tulsa company that distributes downhole tubing for the oil and gas production industry has spearheaded a $91.5 million purchase of a Louisiana pipe-threading firm, the company's leader said Monday.
The design of drill pipe joint thread with unequal taper is proposed to investigate the fracture failure of the API NC38 used in the drill pipe joint of the SU36-8-4H2 well. The effect of changes in ...
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