Commodity name
Octg tubing and casing pipe manufacturers
Standard
Api spec 5ct, api spec 5b
Grade/material
J55, k55, n80, l80, c90, t95, p110 and q125
Technology
Plain pipe-end upsetting- austenite treatment-quenching-tempering-straightening-(non-destructive testing)- threading-thread inspection-coupling mpi-phosphating-coupling make up-drifting-hydrostatic testing-measuring&weight-marking&stenciling-coating-packing casing and tubing-transportation
T&c
Stc, ltc, btc, xc and premium connection
Size range
Tubing
Od: february 3 / 8'-4 1/2 '(60.3mm - 114.3mm)
Wt: 4.24mm- 16mm
Casing
Od: 4 1/2 "-20" (114.3mm-508mm)
Wt:0.205"-0.635" (5.12mm-16.13mm)
Length
Tubing
R1 (6.10m-7.32m), r2 (8.53m-9.75m), r3 (11.58m-12.80m)
Casing
R1 (4.88m-7.62m), r2 (7.62m-10.36m), r3 (10.36m-14.63m)
Testing
Ndt etc related rules of api 5ct and 5b
Packing
By bundles, seaworthy packing
Application
Casing pipe is widely used for fastening oil and gas well wall or borehold, with bigger diameter than tubing, including surface casings, technical casings and oil layer casings.