the most widely used Threaded and Coupled (T&C) premium connection, in tubing and casing sizes. It has become the standard for OCTG premium threads over the years, with the largest field record in the industry.
has long been the preferred solution for premium applications, for standard usage but even in the most severe conditions e.g. HP/HT wells.

The specification:1.315"-20"

Thread type:EUE NUE LTC STC BTC Premium connection

The steel grade；J55 K55 N80 L80 P110 1Cr 3Cr 9Cr 13Cr and so on 

Contact:Bonnie Xu

Email:BonneXu@dlpoctg.com

WeChat:13602055205

Skype:BonnieXu22

Tel:+86-13602055205