الوصف

API 5CT Casing Manufacturing method: ERW, Hot-rolled Seamless Size (OD) : 4 1/2", 5", 5 1/2", 6 5/8", 7", 7 5/8", 8 5/8", 9 5/8", *0 3/4", *3 3/8", *6", *8 5/8", *0" Grade: J*5, K*5, N*0, L*0, C*0, C*5, P**0, Q**5 Connections: Round thread(STC and LTC), Buttress thread (BTC) Premium Connections HSM, TP-CQ, Hydril Length range Range 1, 2, 3 Technical modifications: 1. Resilient seal (SR *3) with an extra teflon ring seal. 2. Special clearance; 3. For extra clearance applications Special bevel; 4. *0 degree bevel 5. Slotted screen Feel Free to contact us: Landrill#yahoo, com, cn