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| Product name | Oil Casing Pipe |
| Standard | API 5CT PSL1/PSL2 J55,K55,N80-1,N80-Q. API 5CT PSL1/PSL2 L80-1, L80-9Cr,L80-13Cr,C90, C95, P110, Q125 |
| Material | ST37/ST45/ST52/25Mn/27SiMn/E355/SAE1026/STKM13C |
| Outer diameter | 114.3mm-508mm or customized |
| Wall thickness | 5-16mm or customized |
| Length | 5.8m, 6-12m or as required |
| Surface treatment | Black/Peeling/Polishing/Machined |
| Technique | Cold/Hot rolled, Cold-Drawn, or Hot Forged |
| Heat treatment | Annealed; Quenched; Tempered |
| Price terms | FOB, CFR, CIF, EXW |
| Delivery detail | Inventory About 3-5 days; custom-made 10-15 days according to order's quantity. |
| Loading port | Qingdao/Tianjin/Shanghai Port, China. |
| Packing | Standard export packing (inside:water proof paper, outside:steel covered with strips and pallets) |
| Payment Terms | T/T, L/C |
The special oil pipe is mainly used for the drilling of oil and gas Wells and the transportation of oil and gas. The utility model includes oil drilling pipe, oil casing and oil pumping pipe.
Oil drill pipe is mainly used to connect the drill collar to the drill bit and transfer drilling power. Oil casing is mainly used to support the well wall during drilling and after well completion, so as to ensure the drilling process and the normal operation of the whole well after well completion. Suction tubing mainly carries oil and gas from the bottom of the well to the surface.





Drilling of oil and gas wells


