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| Categories | OCTG |
|---|---|
| Brand Name: | Sindara |
| Certification: | ISO 9001, ISO 14001, ISO 45001, CE |
| Place of Origin: | Hunan |
| MOQ: | 1pcs |
| Payment Terms: | L/C, T/T, D/P |
| Supply Ability: | 500 tons per day |
| Delivery Time: | within 10-30 days and depend on your order quantity |
| Packaging Details: | Bundled , Plastic Caps Plugged , Waterproof Paper/Bag Wrapped |
| Product Type: | API 5CT Casing |
| OD: | 114.3-508mm |
| WT: | 5.21-16.13mm |
| Pipe Standard: | API SPEC 5CT |
| Materials: | H40, J55, K55, N80, L80, C90,T95 and P110 |
| Thread: | STC, LTC, BTC, special clearance, premium connection |
| Company Info. |
| Sindara Steel Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
| Product | Well casing, API 5CT Casing, API 5CT Casing Pipe |
| Application | Oil well casing serves as well sidewall |
| Pipe Standard | API SPEC 5CT |
| Size | OD: 114.3-508mm |
| WT: 5.21-16.13mm | |
| Thread types | STC, LTC, BTC, special clearance, premium connection |
| Packing: | Protection Caps in Both Ends, Waterproof Paper Wrapped, Two Tags |
What is API 5CT casing ?
API SPEC 5CT well casing is utilized in fixing the well wall or down hole, which has wider diameters. API SPEC 5CT can be divided into conductor casing, technical casing and oil casing.
API 5CT is standard technical specifications for steel casing pipes used for oil wells in petroleum and natural gas industries.
Common Grades
• J55/K55
• N80/N80Q/L80
• C90
• R95/T95
• P110/C110
• Q125
Connections
API 5CT is applicable to following connections which complied with API SPEC 5B:
• SC: Short round thread casing
• LC: Long ound thread casing
• BC: Buttress thread casing
• NU: Non-upset tubing
• EU: External upset tubing
• IJ: Integral tubing connections
More casing pipes and their colors
Lengths:
| Oil Casing | Range 1 | Range 2 | Range 3 |
| 4.88~7.62 | 7.62~10.36 | 10.36~14.63 |
Dimension:
| Labels | Outside diameter D | Nominal linear mass T&C | Wall thickness t | J55 | N80 | L80 | C90 | P110 | Q125 | |
| mm | kg/m | mm | K55 | 1/Q? | T95 | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 4 1/2 | 9.5 | 114.3 | 14.14 | 5.21 | PS | - | - | - | - | - |
| 4 1/2 | 10.5 | 114.3 | 15.63 | 5.69 | PSB | - | - | - | - | - |
| 4 1/2 | 11.6 | 114.3 | 17.26 | 6.35 | PSLB | PLB | PLB | PLB | PLB | - |
| 4 1/2 | 13.5 | 114.3 | 20.09 | 7.37 | - | PLB | PLB | PLB | PLB | - |
| 4 1/2 | 15.1 | 114.3 | 22.47 | 8.56 | - | - | - | - | PLB | PLB |
| 5 | 11.5 | 127 | 17.11 | 5.59 | PS | - | - | - | - | - |
| 5 | 13 | 127 | 19.35 | 6.43 | PSLB | - | - | - | - | - |
| 5 | 15 | 127 | 22.32 | 7.52 | PSLBE | PLBE | PLBE | PLBE | PLBE | - |
| 5 | 18 | 127 | 26.79 | 9.19 | - | PLBE | PLBE | PLBE | PLBE | PLBE |
| 5 | 21.4 | 127 | 31.85 | 11.1 | - | PLB | PLB | PLB | PLB | PLB |
| 5 | 23.2 | 127 | 34.53 | 12.14 | - | PLB | PLB | PLB | PLB | PLB |
| 5 | 24.1 | 127 | 35.86 | 12.7 | - | PLB | PLB | PLB | PLB | PLB |
| 5 1/2 | 14 | 139.7 | 20.83 | 6.2 | PS | - | - | - | - | - |
| 5 1/2 | 15.5 | 139.7 | 23.07 | 6.98 | PSLBE | - | - | - | - | - |
| 5 1/2 | 17 | 139.7 | 25.3 | 7.72 | PSLBE | PLBE | PLBE | PLBE | PLBE | - |
| 5 1/2 | 20 | 139.7 | 29.76 | 9.17 | - | PLBE | PLBE | PLBE | PLBE | - |
| 5 1/2 | 23 | 139.7 | 34.23 | 10.54 | - | PLBE | PLBE | PLBE | PLBE | PLBE |
| 5 1/2 | 26.8 | 139.7 | 39.88 | 12.7 | - | - | - | P | - | - |
| 5 1/2 | 29.7 | 139.7 | 44.2 | 14.27 | - | - | - | P | - | - |
| 5 1/2 | 32.6 | 139.7 | 48.51 | 15.88 | - | - | - | P | - | - |
| 5 1/2 | 35.3 | 139.7 | 52.53 | 17.45 | - | - | - | P | - | - |
| 5 1/2 | 38 | 139.7 | 56.55 | 19.05 | - | - | - | P | - | - |
| 5 1/2 | 40.5 | 139.7 | 60.27 | 20.62 | - | - | - | P | - | - |
| 5 1/2 | 43.1 | 139.7 | 64.14 | 22.22 | - | - | - | P | - | - |
| 6 5/8 | 20 | 168.28 | 29.76 | 7.32 | PSLB | - | - | - | - | - |
| 6 5/8 | 24 | 168.28 | 35.72 | 8.94 | PSLBE | PLBE | PLBE | PLBE | PLBE | - |
| 6 5/8 | 28 | 168.28 | 41.67 | 10.59 | - | PLBE | PLBE | PLBE | PLBE | - |
| 6 5/8 | 32 | 168.28 | 47.62 | 12.06 | - | PLBE | PLBE | PLBE | PLBE | PLBE |
| 7 | 17 | 177.8 | 25.3 | 5.87 | - | - | - | - | - | - |
| 7 | 20 | 177.8 | 29.76 | 6.91 | PS | - | - | - | - | - |
| 7 | 23 | 177.8 | 34.23 | 8.05 | PSLBE | PLBE | PLBE | PLBE | - | - |
| 7 | 26 | 177.8 | 38.69 | 9.19 | PSLBE | PLBE | PLBE | PLBE | PLBE | - |
| 7 | 29 | 177.8 | 43.16 | 10.36 | - | PLBE | PLBE | PLBE | PLBE | - |
| 7 | 32 | 177.8 | 47.62 | 11.51 | - | PLBE | PLBE | PLBE | PLBE | - |
| 7 | 35 | 177.8 | 52.09 | 12.65 | - | PLBE | PLBE | PLBE | PLBE | PLBE |
| 7 | 38 | 177.8 | 56.55 | 13.72 | - | PLBE | PLBE | PLBE | PLBE | PLBE |
| 7 | 42.7 | 177.8 | 63.54 | 15.88 | - | - | - | P | - | - |
| 7 | 46.4 | 177.8 | 69.05 | 17.45 | - | - | - | P | - | - |
| 7 | 50 | 177.8 | 74.56 | 19.05 | - | - | - | P | - | - |
| 7 | 53.6 | 177.8 | 79.77 | 20.62 | - | - | - | P | - | - |
| 7 | 57.1 | 177.8 | 84.97 | 22.22 | - | - | - | P | - | - |
| 7 5/8 | 24 | 193.68 | 35.72 | 7.62 | - | - | - | - | - | - |
| 7 5/8 | 26.4 | 193.68 | 39.29 | 8.33 | PSLBE | PLBE | PLBE | PLBE | - | - |
| 7 5/8 | 29.7 | 193.68 | 44.2 | 9.52 | - | PLBE | PLBE | PLBE | PLBE | - |
| 7 5/8 | 33.7 | 193.68 | 50.15 | 10.92 | - | PLBE | PLBE | PLBE | PLBE | - |
| 7 5/8 | 39 | 193.68 | 58.04 | 12.7 | - | PLBE | PLBE | PLBE | PLBE | PLBE |
| 7 5/8 | 42.8 | 193.68 | 63.69 | 14.27 | - | PLB | PLB | PLB | PLB | PLB |
| 7 5/8 | 45.3 | 193.68 | 67.41 | 15.11 | - | PLB | PLB | PLB | PLB | PLB |
| 7 5/8 | 47.1 | 193.68 | 70.09 | 15.88 | - | PLB | PLB | PLB | PLB | PLB |
| 7 5/8 | 51 | 193.68 | 76.19 | 17.45 | - | - | - | P | - | - |
| 7 5/8 | 55.3 | 193.68 | 82.3 | 19.05 | - | - | - | P | - | - |
| 8 5/8 | 24 | 219.08 | 35.72 | 6.71 | PS | - | - | - | - | - |
| 8 5/8 | 28 | 219.08 | 41.67 | 7.72 | - | - | - | - | - | - |
| 8 5/8 | 32 | 219.08 | 47.62 | 8.94 | PSLBE | - | - | - | - | - |
| 8 5/8 | 36 | 219.08 | 53.57 | 10.16 | PSLBE | PLBE | PLBE | PLBE | - | - |
| 8 5/8 | 40 | 219.08 | 59.53 | 11.43 | - | PLBE | PLBE | PLBE | PLBE | - |
| 8 5/8 | 44 | 219.08 | 65.48 | 12.7 | - | PLBE | PLBE | PLBE | PLBE | |
| 8 5/8 | 49 | 219.08 | 72.92 | 14.15 | - | PLBE | PLBE | PLBE | PLBE | PLBE |
| 9 5/8 | 32 | 244.48 | 48.07 | 7.92 | - | - | - | - | - | - |
| 9 5/8 | 36 | 244.48 | 53.57 | 8.94 | PSLB | - | - | - | - | - |
| 9 5/8 | 40 | 244.48 | 59.53 | 10.03 | PSLBE | PLBE | PLBE | PLBE | - | - |
| 9 5/8 | 43.5 | 244.48 | 64.73 | 11.05 | - | PLBE | PLBE | PLBE | PLBE | - |
| 9 5/8 | 47 | 244.48 | 69.94 | 11.99 | - | PLBE | PLBE | PLBE | PLBE | PLBE |
| 9 5/8 | 53.5 | 244.48 | 79.62 | 13.84 | - | PLBE | PLBE | PLBE | PLBE | PLBE |
| 9 5/8 | 58.4 | 244.48 | 86.91 | 15.11 | - | PLB | PLB | PLB | PLB | PLB |
| 9 5/8 | 59 | 244.48 | 88.4 | 15.47 | - | - | - | P | - | - |
| 9 5/8 | 64.9 | 244.48 | 96.58 | 17.07 | - | - | - | P | - | - |
| 9 5/8 | 70.3 | 244.48 | 104.62 | 18.64 | - | - | - | P | - | - |
| 9 5/8 | 75.6 | 244.48 | 112.5 | 20.24 | - | - | - | P | - | - |
| 10 3/4 | 32.75 | 273.05 | 48.74 | 7.09 | - | - | - | - | - | - |
| 10 3/4 | 40.5 | 273.05 | 60.27 | 8.89 | PSB | - | - | - | - | - |
| 10 3/4 | 45.5 | 273.05 | 67.71 | 10.16 | PSBE | - | - | - | - | - |
| 10 3/4 | 51 | 273.05 | 75.9 | 11.43 | PSBE | PSBE | PSBE | PSBE | PSBE | - |
| 10 3/4 | 55 | 273.05 | 82.59 | 12.57 | - | PSBE | PSBE | PSBE | PSBE | - |
| 10 3/4 | 60.7 | 273.05 | 90.33 | 13.84 | - | - | - | PSBE | PSBE | PSBE |
| 10 3/4 | 65.7 | 273.05 | 97.77 | 15.11 | - | - | - | PSB | PSB | PSB |
| 10 3/4 | 73.2 | 273.05 | 108.93 | 17.07 | - | - | - | P | - | - |
| 10 3/4 | 79.2 | 273.05 | 117.86 | 18.64 | - | - | - | P | - | - |
| 10 3/4 | 85.3 | 273.05 | 126.94 | 20.24 | P | |||||
| 11 3/4 | 42 | 298.45 | 62.5 | 8.46 | - | - | - | - | - | - |
| 11 3/4 | 47 | 298.45 | 69.94 | 9.53 | PSB | - | - | - | - | - |
| 11 3/4 | 54 | 298.45 | 80.36 | 11.05 | PSB | - | - | - | - | - |
| 11 3/4 | 60 | 298.45 | 89.29 | 12.42 | PSB | PSB | PSB | PSB | PSB | PSB |
| 11 3/4 | 65 | 298.45 | 96.73 | 13.56 | - | P | P | P | P | P |
| 11 3/4 | 71 | 298.45 | 105.66 | 14.78 | - | P | P | P | P | P |
| 13 3/8 | 48 | 339.72 | 71.43 | 8.38 | - | - | - | - | - | - |
| 13 3/8 | 54.5 | 339.72 | 81.1 | 9.65 | PSB | - | - | - | - | - |
| 13 3/8 | 61 | 339.72 | 90.78 | 10.92 | PSB | - | - | - | - | - |
| 13 3/8 | 68 | 339.72 | 101.19 | 12.19 | PSB | PSB | PSB | PSB | PSB | - |
| 13 3/8 | 72 | 339.72 | 107.15 | 13.06 | - | PSB | PSB | PSB | PSB | PSB |
| 16 | 65 | 406.4 | 96.73 | 9.53 | - | - | - | - | - | - |
| 16 | 75 | 406.4 | 111.61 | 11.13 | PSB | - | - | - | - | - |
| 16 | 84 | 406.4 | 125.01 | 12.57 | PSB | - | - | - | - | - |
| 16 | 109 | 406.4 | 162.21 | 16.66 | P | P | P | - | P | P |
| 18 5/8 | 87.5 | 473.08 | 130.21 | 11.05 | PSB | - | - | - | - | - |
| 20 | 94 | 508 | 139.89 | 11.13 | PSLB | - | - | - | - | - |
| 20 | 106.5 | 508 | 158.49 | 12.7 | PSLB | - | - | - | - | - |
| 20 | 133 | 508 | 197.93 | 16.13 | PSLB | - | - | - | - | - |
| P——Plain end; S——Short round thread;L——Long round thread;B——Buttress thread;E——Extreme line. | ||||||||||
Mechanical Properties:
| Group | Grade | Type | Total elongation under load % | Yield strength Mpa | Tensile strength min MPa | Hardness max | ||
| min | max | HRC | HBW | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 1 | J55 | - | 0.5 | 379 | 552 | 517 | - | - |
| K55 | - | 0.5 | 379 | 552 | 655 | - | - | |
| N80 | 1 | 0.5 | 552 | 758 | 689 | - | - | |
| N80 | Q | 0.5 | 552 | 758 | 689 | - | - | |
| 2 | L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 9Cr | 0.5 | 552 | 655 | 655 | 23 | 241 | |
| L80 | 13Cr | 0.5 | 552 | 655 | 655 | 23 | 241 | |
| C90 | 1?2 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | |
| C95 | - | 0.5 | 655 | 758 | 724 | - | - | |
| T95 | 1?2 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | |
| 3 | P110 | - | 0.6 | 758 | 965 | 862 | - | - |
| 4 | Q125 | All | 0.65 | 862 | 1034 | 931 | - | - |
Standard
API Spec 5CT – Specification 5CT/ISO 11960, Specification for Casing and Tubing, Eighth Edition, Petroleum and natural gas industries-Steel pipes for use as casing or tubing for wells
Packing
|
R1 R2 R3 Length API Seamless Pipe API 5CT Oil Casing Pipe NUE EUE STC LTC BTC Thread
Steel OCTG Pipe OD 114.3mm - 508mm API 5CT Casing Pipe in petroleum industry
Seamless API Well Tubing API 5CT PSL1 / PSL2 J55 / K55 / N80-1 / N80-Q Oil Tubing
API 5CT PSL1 / PSL2 L80-1 L80-9Cr L80-13Cr C90 C95 P110 Q125 API 5CT Tubing Pipe
