API Casing and Tubing

API Casing and Tubing

Stainless steel casing & tubing for drilling oil and gas
Drilling casing for oil and gas (outer diameter ≥ 406.4mm)
Inquiry

We supply all API SPEC 5CT standard steel grades of oil casing, including H40, J55, K55, M65, L80, R95, N80 1/Q, C90, T95, C110, P110, Q125 steel grades, with product dimensions covering all outer diameter and wall thickness specifications of API SPEC 5CT standard.

Product Features:

  1. Good geometric dimension accuracy and stable physical and chemical properties.
  2. The casing has excellent anti collapsing strength, generally exceeding over 15% ofAPI value.

API Casing

Re: Buttress casing is available with regular, special clearance couplings or special clearance couplings with special bevel.
P= Plain end; S= Short round thread; L= Long round thread; B= Buttress thread.

API Tubing

Application: Used for the extraction of resources such as oil and natural gas. Tubing is used to extract oil or natural gas from oil wells. The casing is used as the wellbore for oil and gas wells.