OCTG
OCTG Casing & Tubing
API 5CT casing and tubing OD 114.3-508 mm, wall 5.21-16.13 mm, seamless or HFW, grades H40 to Q125, STC/LTC/BTC and VAM connections, R1-R3 lengths.
Specifications
- Outer Diameter
- 114.3 - 508.0 mm
- Wall Thickness
- 5.21 - 16.13 mm
- Standards
- API 5CT / ISO 11960; threads to API SPEC 5B
- Grades
- H40, J55, K55, N80, L80 (incl. 9Cr, 13Cr), C90, T95, P110, Q125
- Connections
- STC, LTC, BTC, VAM; tubing SC/LC/BC, NU/EU
- Type / Range
- SMLS or ERW (HFW); R1, R2, R3
Casing and Tubing to API 5CT
Oil country tubular goods cover casing and tubing from 114.3 to 508.0 mm OD with wall 5.21-16.13 mm, seamless or high-frequency welded, in R1, R2 and R3 length ranges to API 5CT / ISO 11960 with threads to API SPEC 5B.
Grades and Connections
Grades run from H40, J55 and K55 through N80, L80 (including 9Cr and 13Cr for corrosive wells), C90, T95 and P110 to Q125. Connections include STC, LTC, BTC and VAM, with NU and EU tubing threads; pup joints and couplings complete the program.
Well and Civil Applications
Oil well casing and tubing, sidewall support and structural retainer duty, plus carrier-pipe lining - the casing is rammed in, soil removed and the product pipe inserted.