Product name: oil country tubular goods
Materials: L245, L360, GR.B, X42, X52, X60, X70, J55, K55, N80, L80, P110 etc.
Standards: API Spec 5L, API Spec 5CT.
Line pipe: 1/2”- 48” .
Tubing and casing: 1 1/2”- 20” .
End: plain end, beveled end, thread, coupling, plastic cap in the both end, pipe clamp.
1. Line pipe
1) Type: seamless pipe and welded pipe.
2) Connection: welded ends, coupling connection, socket links.
3) Materials: L245, L360, GR.B, X42, X52, X60, X70 etc.
4) Size: 21.3 – 2032 mm.
5) Application: for oil and gas industry of oxygen, water and oil pipelines.
2. Tubing and casing
1) Materials: J55, K55, N80, L80, P110 etc.
2) Specification: 1 1/2″ – 20″ .
3) Category: not upset tubing (NU), external upset tubing (EU), the overall joint tubing (IJ).
4) Application: in the wells used for producing liquid or liquid injection tube.
2. Tubing and casing size tolerance