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Casing Pipe:

Technical standard: API SPEC 5CT、API SPEC 5B

Product grade： H40、J55、K55、N80-1、N80Q、L80、C90、T95、P110

Specification range：  OD114.3~339.7mm, WT5.21~22.22mm(4 1/2"~13 3/8")

Thread types: Short round thread(STC).Long round thread(LC).Buttress thread(BC)

The range of length： R2(7.62m~10.36m)、R3(10.36m~14.63m)

Application of product： Pipe run from the surface and intended to line the wall of a drilled well.


Casing Coupling:

Technical standard： API SPEC 5CT、API SPEC 5B

Product grade： H40、J55、K55、N80-1、N80Q、L80、C95、T95、P110

Specification range： OD127~365.12mm（4 1/2"~13 3/8"）

Thread types: Short round thread(STC)、Long round thread(LC)、Buttress thread(BC)

Application of product： Internally threaded cylinder for joining two lengths of threaded casing pipe


Casing Pup-Joint:

Technical standard： API SPEC 5CT、API SPEC 5B

Product grade： H40、J55、K55、N80-1、N80Q、L80、C95、T95、P110

Specification range：  OD114.3~339.7mm, WT5.21~22.22mm(4 1/2"~13 3/8")

Thread types: Short round thread(STC).Long round thread(LC).Buttress thread(BC)

The range of length： 

Application of product： Casing of length shorter than R1, Used to regulate casing surface location, and connect cement head.

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