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: < R1 (4.88m)
Application of product: Casing of length shorter than R1, Used to regulate casing surface location, and connect cement head.