IMRI’s API 5CT N80Q casing is the best choice for the rigors of oil and gas wells due to its superior strength and reliability. The BTC threaded connection ensures a tight and stable seal to prevent fluid leakage.
IMRI’s API 5CT N80Q casing is the best choice for the rigors of oil and gas wells due to its superior strength and reliability. The BTC threaded connection ensures a tight and stable seal to prevent fluid leakage.
Email:
sales@imristeel.com
Phone:
+86 13646172523
Grade | C | Mn | Mo | Cr | Ni | Cu | P | S | Si | ||||
Min | Max | Min | Max | Min | Max | Min | Max | Max | Max | Max | Max | Max | |
N80Q | 一 | 一 | 一 | 一 | 一 | 一 | 一 | 一 | 一 | 一 | 0.030 | 0.030 | 一 |
Grade | Type | Total under load Elongation % | Yield strength megapascal | Tensile strength megapascal | Hardness a, C Maximum | Specified OD mm | Allowable hardness Variation | ||
Min | Max | Min | HRC | HBW | HRC | ||||
N80 | Q | 0.5 | 552 | 758 | 689 | – | – | – | – |
IMRI’s API 5CT N80Q casing is specially designed for deep wells in sour environment (H₂S ≤ 30ppm, CO₂ ≤ 0.15MPa), with yield strength of 758-965MPa, and certified by NACE MR0175 for sulfur resistance. Successfully applied in Tarim ultra-deep sulfur wells (Φ244.5), Chuannan shale gas fracturing wells (Φ177.8mm) and Hassi Messaoud in Algeria, which accord with the requirements of ISO 15156-2/API TR 5C3 severe working conditions.
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