OCTG

Tubing and casing
Standard: API SPEC 5CT.
Seamless pipe, HFW.
Size: ∮ 60.3mm - 508mm.
Steel Grade: H40, J55, K55, N80, L80, C90, C95, the T95, P110, Q125.
Buckle type: STC, LTC, BTC and Premium connection.

Drill pipe
Standard: API SPEC 5DP, API SPEC 7.
Size: ∮ 2 3/8 "- 6 5/8"
Steel Grade: E75, X95, G105, S135.

Drill collar
Standard: API Spec 7.
Size: ∮ 3 1/8 "- 11".

Coupling
Standard: API 5CT
Size: ∮ 48.3mm - 508mm
Steel Grade: H40, J55, K55, N80, L80, C90, C95, the T95, P110 and Q125.
Buckle type: STC, LTC, BTC and Premium connection.