Casing Pup Joint for OCTG with tubing coupling

we are manufacturer of coupling, pup joint, crossover, Sucker Rod Coupling and Cementing Tools.

API 5CT Tubing Coupling  API 5CT casing Coupling

Tubing and casing couplings are the joining of two short length pipe, mainly used for the connection and repair of oil pipe and downhole tools

Tubing and couplings thread types : Non-upset thread(NU), External- upset thread(EU);

Casing and couplings thread types: Long-round thread(LC), Short-round thread(SC), buttress thread(BC)

Grade: K55,J55,N80-1,N80Q,L80-1,P110,etc.

API 5CT Tubing  Pup joint   API 5CT Casing  Pup joint

Tubing and casing pup joints are machined according to the latest version of API SPEC 5CT. The steel grade includes J55,K55,N80-1,N80Q,L80-1,P110,etc. There are two types of thread widely used in tubing pup joint namely Non-upset thread(NU), External- upset thread(EU);

Casing and couplings thread types: Long-round thread(LC), Short-round thread(SC), buttress thread(BC).

Our testing and inspection method system is complete, using a whole set of thread instrument to  inspect taper, pitch, tooth, height, tooth type,etc. The products have passed the identification of china petroleum pipeline. Quality supervision ,inspection and testing center and gained the unanimous praise from the customers.

Crossover

Crossover coupling any size ,length ,grade and weight is available on customer request.