Open Access
Review
Table 1
Major foreign non-API oil casing plants and major products.
| Country | Factory | Main special steel grades | Main special threads |
|---|---|---|---|
| Germany | V&M | VM-140∼155, VM-55LT∼125LT, VM80HC∼140HC, VM-80SS∼125SS, VM-90HCS, VM-95HCS, VM-80-HCSS-110HCSS, VM28, VM825, VMC3, VM50 | VAM HP, VAM MUST, VAM HW, VAM TM, VAM TOP, VAM FJL, VAM ACE, NEW VAM |
| Japan | Sumitomo Metals | SM-55LT∼110L, SM-110LL, SM-140G∼G, SM-80T∼110T, SM-95TT∼125TT, SM-80SS∼110S, SM-95TS, SM13CR-80∼95, SM13CRS-80∼110, SM13CRM-80∼110, SM22CR-65∼140 SM25CR-75∼140, SM25CRW-80∼140 | VAM Series(VAM, NEW VAM, TM, VAM ACE, VAM TOP) |
| Nippon Steel | NSCC, NSCT, BDS, TDS | ||
| NKK | NK-140, NKV-150, NKCT-110∼125, NKHC-125, NKHC-140, NKAC-110SS, | NK3SB, NK2SC, NKEL, NKSL | |
| Kawasaki | KO-13Cr80∼13Cr110, KO-HP1-13Cr95, KO-HP1-13Cr110(∼180°C), KO-HP2-13Cr95, KO-HP2-13Cr110 | FOX, BEAR | |
| USA | Hunting | Main special threads of Hunting | |
| SEAL-LOCK CONNECTION (APEX, BOSS, FLUSH, HC, HT, SF, XP) TWO-STEP CONNECTION (TS-HD, TH-HD-SR, TS-HP, TS-HP-SR) TKC CONNECTION (TKC Convertible BTC, TKC Convertible EUE, TKC Convertible LTC, TKC MMS LTC, TKC BTC and Plus, TKC FJ-150) |
|||
| Hydril | Hydril SLX, Hydril MAC-11 | ||
| Italy, Argentina, Japan, etc. | Tenaris | Main special threads of Hunting | |
| TenarisBlue, TenarisBlue Near Flush, TenarisBlue SAGD, AB TCH, AB RTS, AB ST-L, Tenaris 3SB, Tenaris MS, Tenaris ER, Tenaris PJD | |||
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