• Drill Collar

    Updated:Oct 21,2016    

    Drill collars are manufactured strictly according to API Spec7-1 standard with material of AISI 4145 Mod.Huaxin supplies slick drill collars, spiral drill collars and non-magnetic drill collars etc. The size of drill collar Huaxin provides is from 3-1/8 to 11 inches.

  • Drill Pipe

    Updated:Oct 21,2016    

    Drill pipe is industrial tubular widely used for drilling operation. Huaxin specially offers drill pipe available in various sizes and weights, and all drill pipes are manufactured strictly according to API spec 5DP.

  • Heavy Weight Drill Pipe

    Updated:Oct 21,2016    

    Heavy weight drill pipe is the tool used as a transition between the normal drill pipe and the heavier drill collars. In some applications, heavy-weight drill pipe may also be used in place of the drill collar. The performance standard for heavy weight drill pipe is API Spec 7-1.

  • Kelly

    Updated:Oct 21,2016    

    Kelly is used to connect the topmost joint of drill pipe for drill stem turning when the rotary table runs.Huaxin supplies both square kelly and hexagonal kelly.