API 5CT J55 Petroleum Casing Pipe|Olifield Casing Pipe
The J55 API-5CT casing pipe is a comparatively low steel grade in oil drilling. It is widely applied for shallow oil and gas extraction.
Because of its low cost among other grades of steel, it enjoys wider applications, can be generally used in shallow wells, geothermal wells, and water wells.
ParameterrsValue
| Products | API 5CT CASING PIPE | |
| Material | J55 Steel Grade | |
| Outer Diameter | 4-1/2"~20" (114.3~508mm) | |
| Wall Thickness | 5.21~16.13mm | |
| Forms of Thread | BTC, LTC, STC and premium connection | |
| Length Range | R1-(6.10m～7.32m),R2-(7.62/8.53)～10.36m,R3-(10.36/10.97～14.63m) |
Certificate:
API 5CT,Russian Certificate,ISO,CCS
API 5CT CASING PIPE Packing:
Black coating and steel thread protector
Inspection
Physical properties are checked and each length hydrostatically tested, normally to only 3,000 psi in the plain end (unthreaded) condition. The following are also checked:
Dimensions
Weights
Straightness
Lengths
Size and surface inspection
NDT and pressure test and third party certication
Hydrostatic
Drifting test
Physical and chemicail analysis
Hardness and pressure test.
Electromagnetic
Magnetic particle
Ultrasonic
Dimensions And WeightAPI 5CT CASING PIPE
Size Weight Outside Diameter Wall Thickness End Finish Grade in mm in mm J55
K55L80 N80 C90
T95P110 4 1/2 9.50 4.500 114.3 0.205 5.21 PS - - - - 10.50 0.224 5.69 PSB - - - - 11.60 0.250 6.35 PSLB PLB PLB PLB PLB 13.50 0.290 7.37 - PLB PLB PLB PLB 15.10 0.337 9.56 - - - - PLB 5 11.50 5.00 127.00 0.220 5.59 PS - - - - 13.00 0.253 6.43 PSLB - - - - 15.00 0.296 7.52 PSLB PLB PLB PLBE PLB 18.00 0.362 9.19 - PLB PLB PLBE PLB 21.40 0.437 11.10 - PLB PLB PLB PLB 23.20 0.478 12.14 - PLB 24.10 0.500 12.70 - PLB 5 1/2 14.00 5.500 139.7 0.244 6.20 PS - - - - 15.50 0.275 6.98 PSLB - - - - 17.00 0.304 7.72 PSLB PLB PLB PLBE PLB 20.00 0.361 9.17 - PLB PLB PLBE PLB 23.00 0.415 10.54 - PLB PLB PLBE PLB 6 5/8 20.00 6.625 168.28 0.288 7.32 PSLB - - - - 24.00 0.352 8.94 PSLB PLB PLB PLBE PLB 28.00 0.417 10.59 - PLB PLB PLBE PLB 32.00 0.475 12.06 - PLB PLB PLBE PLB 7 17.00 7.00 177.80 0.231 5.87 - - - - - 20.00 0.272 6.91 PS - - - - 23.00 0.317 8.05 PSLB PLB PLB PLBE - 26.00 0.362 9.19 PSLB PLB PLB PLBE PLB 29.00 0.408 10.36 - PLB PLB PLBE PLB 32.00 0.453 11.51 - PLB PLB PLBE PLB 35.00 0.498 12.65 - PLB PLB PLBE PLB 38.00 0.540 13.72 - PLB PLB PLBE PLB 7 5/8 24.00 7.625 193.68 0.300 7.62 - - - - - 26.40 0.328 8.33 PSLB PLB PLB PLBE PLB 29.70 0.375 9.52 - PLB PLB PLBE PLB 33.70 0.430 10.92 - PLB PLB PLBE PLB 39.00 0.500 12.70 - PLB PLB PLBE PLB 42.80 0.562 14.27 - PLB PLB PLB PLB 45.30 0.595 15.11 - PLB PLB PLB PLB 47.10 0.625 15.88 - PLB PLB PLB PLB 8 5/8 24.00 8.625 219.08 0.264 6.71 PS - - - - 28.00 0.304 7.72 - - - - - 32.00 0.352 8.94 PSLB - - - - 36.00 0.400 10.16 PSLB PLB PLB PLBE PLB 40.00 0.450 11.43 - PLB PLB PLBE PLB 44.00 0.500 12.70 - PLB PLB PLBE PLB 49.00 0.557 14.15 - PLB PLB PLBE PLB 9 5/8 32.30 9.625 244.48 0.312 7.92 - - - - - 36.00 0.352 8.94 PSLB - - - - 40.00 0.395 10.03 PSLB PLB PLB PLBE - 43.50 0.435 11.05 - PLB PLB PLBE PLB 47.00 0.472 11.99 - PLB PLB PLBE PLB 53.50 0.545 13.84 - PLB PLB PLBE PLB 58.40 0.595 15.11 - PLB PLB PLB PLB 10 3/4 32.75 10.75 273.05 0.279 7.09 - - - - - 40.50 0.350 8.89 PSB - - - - 15.50 0.400 10.16 PSB - - - - 51.00 0.450 11.43 PSB PSB PSB PSBE PSB 55.50 0.495 12.57 - PSB PSB PSBE PSB 60.70 0.545 13.84 - - - PSBE PSB 65.70 0.595 15.11 - - - PSB PSB 13 3/8 48.00 13.375 339.73 0.330 8.38 - - - - - 54.50 0.380 9.65 PSB - - - - 61.00 0.430 10.92 PSB - - - - 68.00 0.480 12.19 PSB PSB PSB PSB PSB 72.00 0.514 13.06 - PSB PSB PSB PSB 16 65.00 16 406.40 0.375 9.53 - - - - - 75.00 0.438 11.13 PSB - - - - 84.00 0.495 12.57 PSB - - - - 109.00 0.656 16.66 P P P - P 18 5/8 87.50 18.625 473.08 0.435 11.05 PSB - - - - 20 94.00 20 508.00 0.438 11.13 PSLB - - - - 106.50 0.500 12.70 PSLB - - - - 133.00 0.635 16.13 PSLB - - - - Chemical Composition, mass fraction(%) – API 5CT 8th Edition
Chemical Composition
Tensile and Hardness requirements- API 5CT 8th Edition
Tensile Hardness
Part of this inspection is to drift all lengths.
Despite all the American Petroleum Institute (API) specifications and testing, some tubing defects are still found after delivery; thus, some operators do further inspection. API 5CT CASING PIPE
Inspection MethodAPI 5CT CASING PIPE
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